US Pat. No. 9,238,884

WASHING MACHINE

HAIER GROUP CORPORATION, ...

1. A washing machine comprising:
a washing tub;
a water supply valve which is opened and closed to supply tap water into the washing tub;
a water circulation passage having opposite ends connected to the washing tub;
a bathwater hose connected to the water circulation passage and connected to a source of bathwater external to the machine
for providing bathwater into the water circulation passage from a supply external to the washing machine;

a bathwater tank for storing bathwater;
a bathwater pump which is driven to supply bathwater from the bathwater tank through at least one tubular water passage and
into the washing tub;

a circulation pump provided in the water circulation passage for pumping water out of the washing tub through one of the opposite
ends of the water circulation passage and supplying the pumped water back into the washing tub through the other end of the
water circulation passage;

a cleaning air generator which generates cleaning air;
a gas-liquid mixer provided in the water circulation passage for mixing the cleaning air generated by the cleaning air generator
with water flowing through the water circulation passage; and

a controller programmed to clean bathwater which actuates the cleaning air generator to mix the cleaning air with water circulated
by driving the circulation pump in response to supply of the bathwater into the washing tub by the bathwater pump;

wherein the washing machine is capable of performing a washing step by using detergent water retained in the washing tub and
containing a detergent dissolved therein, and then performing a rinsing step, and wherein the controller programmed to clean
bathwater is operative only in the rinsing step; and

wherein the washing machine is capable of performing an intermediate dehydrating step to remove the detergent water used in
the washing step between the washing step and the rinsing step, and wherein the controller is programmed to conduct a rinsing
step to be performed using tap water and a rinsing step to be performed using bathwater, an intermediate dehydration step
following each rinsing step, the controller employing a longer dehydration step in the intermediate dehydrating step when
the rinsing step is to be performed with the controller programmed to clean bathwater kept operative than when the rinsing
step is to be performed by using the tap water.

US Pat. No. 9,340,918

WASHING MACHINE FOR AUTO-ADDED WASHING AGENT BY NEGATIVE PRESSURE AND CONTROLLING METHOD THEREOF

HAIER GROUP CORPORATION, ...

1. A washing machine comprising:
a water inlet, a detergent container and a tub,
wherein, two water inflowing water passages which are respectively a main inflow waterway and a rinse waterway are set between
the water inlet and the tub,

a dosing container which communicates with the detergent container is arranged between the rinse waterway and the tub,
a venturi tube by which a negative pressure is generated during passage of a water stream is arranged in the main inflow waterway,
a branch pipe which communicates with the dosing container is arranged at the rear side of the outlet of the venturi tube,
and

the detergent in the detergent container is pumped into the dosing container by the negative pressure generated during feeding
water from the main inflow waterway into the tub, and then is diluted and supplied into the tub by the inflowing water from
the rinse waterway to the dosing container, wherein,

a main inlet valve is arranged between the main inflow waterway and the water inlet,
a rinse water valve is arranged between the rinse waterway and the water inlet,
a wash control valve is set between the rinse water valve and the dosing container,
a sealing control valve for sealing a connection is arranged at the connection between the dosing container and the branch
pipe, and

a water intake control valve is arranged between the dosing container and the tub.

US Pat. No. 9,334,598

WASHING METHOD FOR WASHING MACHINE AND A WASHING MACHINE

HAIER GROUP CORPORATION, ...

1. A washing method for washing machine which contains a wash tub and an impeller arranged on the bottom of the wash tub,
the washing method comprising the steps of:
putting the clothing into the wash tub;
detecting a load, and inflooding water according to the load; and
washing the clothing with agitating flow, enhancing flow, and balancing flow,
wherein the agitating flow, the enhancing flow, and the balancing flow are three types of water flows that are generated by
controlling a rotation-stop ratio of the impeller, and that perform single sequential coordination or repeatedly alternating
cycle coordination, so as to break the balance of the load to disperse the clothing, and so as to realize even overturn and
washing, and keep the load evenly overturning,

wherein the agitating flow breaks the balance of the load to disperse the clothing, then the enhancing flow overturns the
clothing for washing, then the balancing flow maintains the circulation path for the load evenly overturning,

wherein different gears are set according to different ranges of load capacity, which at least includes a first load indicating
the minimum range of load capacity,

wherein during washing with the enhancing flow corresponding to the first load, within a set working time of the enhancing
flow, the impeller rotates and stops multiple times in the same direction as per corresponding rotation-stop ratio and then
repeats the rotating and the stopping in the opposite direction, and

wherein during washing with the agitating flow and the balancing flow corresponding to any load capacity and the enhancing
flow corresponding to any load capacity excluding the first load, the impeller performs forward and reverse alternative rotations
as per corresponding rotation-stop ratios.

US Pat. No. 9,528,217

DRAINAGE AND FILTERING SYSTEM FOR WASHING MACHINE AND WASHING MACHINE WITH THE DRAINAGE AND FILTERING SYSTEM

HAIER GROUP CORPORATION, ...

1. A drainage and filtering system for a washing machine, comprising:
an outer barrel; and
a filtering apparatus,
wherein a groove is defined at the bottom of the outer barrel, the bottom of the groove is provided with a drainage port,
the filtering apparatus is mounted in the groove and covers an upper part of the drainage port, the filtering apparatus is
provided with at least one filtering passage leading to the drainage port, and a foreign material stop structure is arranged
in the at least one filtering passage,

wherein the filtering apparatus comprises an upper cover board matched with a shape of an opening of the groove and multiple
baffles arranged on a lower surface of the upper cover board, and the multiple baffles are matched to form a sidewall of the
at least one filtering passage and the foreign material stop structure in the at least one filtering passage;

wherein the multiple baffles comprise a sidewall baffle for forming the sidewall of the at least one filtering passage and
filtering baffles arranged in the at least one filtering passage, wherein a bent waterway in the at least one filtering passage
is formed between one of the filtering baffles and the sidewall baffle, or between two adjacent filtering baffles of the filtering
baffles, the bent waterway is matched with the filtering baffles to form the foreign material stop structure;

wherein a height of each of the filtering baffles is less than or equal to a height of the sidewall baffle, the filtering
apparatus is supported in the groove by the sidewall baffle; and

wherein an annular rib is provided at a lower surface of the upper cover board corresponding to the drainage port, a height
of the annular rib is less than that of each of the filtering baffles, multiple flow-guiding blades are distributed radially
from a center inside the annular rib, and an end of each of the multiple flow-guiding blades has an arc-shaped transition
corresponding to the annular rib.

US Pat. No. 9,394,641

WASHING MACHINE UTILIZING UNIFORM WASHING FORCE AND WASHING METHOD THEREOF

HAIER GROUP CORPORATION, ...

1. A pulsator-type washing machine utilizing a uniform washing force comprising:
an outer tub for containing water,
an inner tub arranged in the outer tub for containing clothes,
a rotatable wave wheel, and
a drive device for controlling the rotation of the inner tub and the wave wheel, wherein:
the wave wheel is a disc-shaped structure gradually rising up towards the center from its edge, on which a projection for
guiding the clothes to the center is arranged, so that the clothes move upwards on the wave wheel center along the projection,
and the projection is arranged outwards from the wave wheel center in echelon, the descent from one echelon to its next one
being realized in a way that circular arcs are tangent to each other, and the projection is gradually widened from the wave
wheel center to the wave wheel edge and from the top surface of the projection to the bottom of the projection;

two sides of the projection are formed as slopes transitioning smoothly from a surface of the wave wheel, each slope comprising
an inner slope, a medium slope and an outer slope, the inner slope being closer to the wave wheel center than the medium slope,
and the medium slope being closer to the wave wheel center than the outer slope, the medium slope being a section located
at ¼ to ? of the length of the projection measured from the wave wheel center, wherein: (i) an inclined angle between the
inner slope and the surface of the wave wheel is greater than or equal to 100° and less than or equal to 110°, (ii) an inclined
angle between the medium slope and the surface of the wave wheel is greater than 110° and less than or equal to 120°, and
(iii) an inclined angle between the outer slope and the surface of the wave wheel is greater than or equal to 100° and less
than or equal to 110°;

the inner tub has a circumferential wall provided with a plurality of ring-shaped inward profiled structures, to increase
the friction area when the clothes fall down along the inner tub wall, and outward flanges and dewatering holes annularly
and evenly arranged between two ring-shaped profiled structures;

a plurality of bumps for changing motion trails of the clothes are evenly arranged at the junction of the bottom and the circumferential
wall of the inner tub;

the inner tub wall and the wave wheel of the washing machine satisfy the following conditions: water in the washing machine
soaks the clothes and makes the clothes float while still keeping in touch with the upper surface of the wave wheel; as every
1 kg load is increased, the increased height difference h1 of the clothes mixing with water satisfies the following formula to ensure that the clothes are in contact with the wave wheel
while floating: h1=(?D2h?4V1)/(K?D2), wherein D is the diameter of the inner tub, h is the height of the wave wheel, V1 is the volume of the wave wheel, and K is the optimal clothes load between the wave wheel and the inner tub within the scope
of the wave wheel height;

the height of the projection is 1/10-1/9 of the diameter of the wave wheel, and the projection is one of one or more projections that occupy ?-½ of the total area
of the wave wheel; and

the diameter ratio of the wave wheel to the inner tub bottom is 0.6-0.8.

US Pat. No. 9,145,633

SMALL SIZE PULSATOR-TYPE AUTOMATIC WASHING MACHINE

HAIER GROUP CORPORATION, ...

1. A pulsator-type automatic washing machine, comprising a housing, a control panel seat, a pedestal, an outer tub, an inner
tub and a motor, the control panel seat being mounted on the top of the housing, and the pedestal being mounted at the bottom
of the housing, and the outer tub and the inner tub being mounted inside the housing, wherein, the motor is a direct driving
motor, and the motor and a bearing block are mounted at the bottom of the outer tub, and the motor is fixed on the outer tub
by a fixing device, a motor shaft is coupled with a pulsator shaft inside the bearing block, and
a buoyancy clutch device,
the buoyancy clutch device comprising:
a buoyancy chamber at a bottom of the inner tub,
a concave gear arranged around a shaft hole at the bottom of the inner tub; and
a convex gear arranged on the pulsator shaft between the outer tub and the inner tube;
a balance ring arranged on a top of the inner tub;
a cover of the outer tub arranged on the outer tub;
a blocking structure arranged on the top of the inner tub and the top of the outer tub,
the blocking structure including a first bulge arranged on a surface of the balance ring and a second bulge arranged on a
surface of the cover of the outer tub facing to the balance ring,

the bulges being bar-shaped or block-shaped, and uniformly distributed on the surface of the balance ring and on the surface
of the cover;

the first bulge on the balance ring and the second bulge on the cover of the outer tub being configured to obstruct each other
for preventing the inner tub from rotating synchronously with the pulsator after the inner tub floats up.

US Pat. No. 9,255,732

VACUUM HEAT PUMP CLOTHES DRYING METHOD AND DRYER

HAIER GROUP CORPORATION, ...

1. A method for drying clothes using a vacuum heat pump, the method comprising:
placing the clothes in a sealed drum;
reducing the internal atmospheric pressure of the drum until close to a vacuum state through a vacuum system;
heating the surface of the drum by a heat pump system, through a liquid medium using heat which is produced by compressing
a refrigerant by the heat pump system, so that the clothes reach evaporation temperature of moisture by contact of the clothes
with the inner surface of the drum, and the water of the clothes evaporates to form water vapor which is extracted by the
vacuum,

exchanging heat between the refrigerant with low temperature and low pressure and damp-hot air, to cool and condense the damp-hot
air into condensation water, collecting the condensation water, and heating a part of the condensation water into hot steam
and send the part of the condensation water into the drum,

immersing a lower part of the drum in the liquid medium, and
maintaining the temperature of the liquid medium in a range of 35 to 60° C., the temperature of the drum surface in a range
of 35-55° C., and the temperature within the drum in a range of 30-50° C., by heat generated during operating of the heat
pump system.

US Pat. No. 9,994,991

WASHING MACHINE

Haier Asia International ...

1. A washing machine, comprising:a washing tank for performing washing of washings;
a housing for accommodating the washing tank;
a first display part arranged on a surface having a throwing port of the housing;
a first control part;
a receiving part; and
a setting operating part separated from the first display part;
wherein the setting operating part includes: setting keys for setting operating information involved in a washing operation; a second control part; a second display part; and a transmitting part;
the second control part displays the operating information set by the setting keys through the second display part, and transmits the operating information by the transmitting part to the receiving part through wireless communication;
the first control part is configured to execute a washing operation based on the operating information received by the receiving part, and when the operating information is received by the receiving part, to illuminate the first display part in a first form corresponding to the reception of the operating information at least within a specified period until the washing operation starts;
a starting key is arranged on a surface having the throwing port, and is configured to start the washing operation through a first operation applied on the starting key and to set a standard process through a second operation different from the first operation applied on the starting key;
the operating information comprises a plurality of operating processes including the standard process; andthe first control part is configured to: when the second operation is applied on the starting key, set the standard process as an operating process which should be executed by replacing an operating process received by the receiving part prior to the second operation applied on the starting key.

US Pat. No. 9,920,465

WASHING METHOD FOR WASHING MACHINE AND A WASHING MACHINE

HAIER GROUP CORPORATION, ...

1. A washing machine comprising:
a washing tub; and
an impeller and a motor,
the impeller comprising an impeller disk and a water spinning blade arranged on a surface of the impeller disk,
the impeller disk being of basin-shaped structure with a bulge on a center of the impeller disk,
the water spinning blade extending from the center of the impeller disk to an edge of the impeller disk, and
the water spinning blade comprising at least a first convex rib and a second convex rib which incline to two sides of the
water spinning blade in an extension direction of the water spinning blade respectively to form a twisted structure of the
water spinning blade,

wherein, in the extension direction from the center of the impeller disk to the edge of the impeller disk, an upper surface
of the water spinning blade at first rises to a maximum height, then falls to a minimum height and finally rises to realize
a smooth transition with an inner circumferential wall of the basin-shaped impeller disk,

a height difference between the maximum height and the minimum height of the water spinning blade is 1-1.5 times a depth of
the impeller disk,

a height difference between the maximum height of the water spinning blade and the center of the impeller disk is 0-0.2 times
the depth of the impeller disk, and

a position of smooth transition between the water spinning blade and the inner circumferential wall of the impeller disk is
located on ?-? of the impeller disk depth.

US Pat. No. 10,023,986

WASHING MACHINE

Haier Asia International ...

1. A washing machine, comprising:a washing and dewatering tank for performing washing and dewatering of washings;
a water supply part for supplying water into the washing and dewatering tank;
a water supply control part for controlling the water supply part;
an auxiliary washing plate which is detachably installed in the washing and dewatering tank and has a shape of concaves and convexes on an upper surface;
a water supply button which is operated when the auxiliary washing plate installed in the washing and dewatering tank is configured to perform hand washing of washings; and
a human body induction sensor on which a detecting surface faces inside of the washing and dewatering tank;
wherein the water supply control part supplies water to the water supply part based on a condition already operated on the water supply button, wherein the water supply part comprises a running water supply part which is connected with a water tap and makes running water supplied from the water tap to flow toward the auxiliary washing plate from an upper part of the auxiliary washing plate;
wherein the water supply button comprises a running water supply button configured to make the running water supply part to operate; and
wherein the water supply control part stops water supply based on the running water supply part according to a condition that the human body induction sensor detects no more part of a human body after the running water supply part starts to supply water into the washing and dewatering tank.

US Pat. No. 9,982,383

WATER-SAVING WASHING MACHINE AND CONTROL METHOD

Haier Group Corporation, ...

1. A water-saving washing machine, comprising a washing drum and an outer drum, wherein a circulating pipeline is arranged between an outer drum drainage outlet and an outer drum water inlet, a drainage pump and a main filter are arranged on the circulating pipeline, a pre-filter is further arranged on the circulating pipeline, the pre-filter is located between the drainage pump and the main filter, and a compactness of a filter screen of the pre-filter is lower than that of a filter screen of the main filter;wherein the pre-filter is provided with a first inlet, the first inlet is connected to an air pump through a pipeline, and the pipeline between the air pump and the first inlet is further provided with a check valve for controlling airflow to flow from the air pump to the pre-filter;
wherein the pre-filter is provided with an aeration device positioned between the first inlet and the filter screen of the pre-filter, the aeration device is a flat plate that fits to the pre-filter in cross-section shape, and the flat plate is evenly provided with a plurality of air holes.

US Pat. No. 9,963,818

DRUM WASHING MACHINE

Haier Asia Co., Ltd., To...

1. A drum washing machine, comprising:an outer tank provided in a shell;
a drum, which is provided in the outer tank and configured to rotate with a horizontal shaft or an inclination shaft inclining relative to a horizontal direction as a center;
a rotating body, provided at a rear part of the drum and a surface of which is provided with a protruding part in contact with washings;
a driving part, configured to be operated in a first driving form and a second driving form, wherein the first driving form refers to a form in which the drum and the rotating body are enabled to rotate at different rotation speeds, and the second driving form refers to a form in which the drum and the rotating body are enabled to rotate integrally at a same rotation speed; and
a control part, configured to control actions of the driving part,
wherein in a washing process or a rinsing process, the control part is configured to control the driving part to be operated in the first driving form or the second driving form in accordance with a corresponding washing mode which is determined by the resistance of clothes to be washed to mechanical force;
wherein the driving part comprises a driving motor, a first rotating shaft, a second rotating shaft, a bearing unit, a wing decelerating mechanism, a drum decelerating mechanism and a clutch mechanism part;
the driving motor is further configured for driving the rotating body and the drum;
the first rotating shaft has a hollow shape, a first sliding bearing and a second sliding bearing are respectively at a front part and a rear part of the first rotating shaft, and a mechanical sealing element is arranged at a front end part;
the second rotating shaft is enclosed in the first rotating shaft, the front part of the second rotating shaft protrudes forward from the first rotating shaft, and the rear part of the second rotating shaft protrudes rearward from the first rotating shaft;
the outer circumferential surface of the second rotating shaft is supported by the first sliding bearing and the second sliding bearing, and the second rotating shaft rotates within the first rotating shaft,
a bearing part is arranged in the central part of the bearing unit, a first rolling bearing and a second rolling bearing are respectively arranged on the front part and the rear part of the bearing part, and a mechanical sealing element is arranged at the front end part, the outer circumferential surface of the first rotating shaft is supported by the first rolling bearing and the second rolling bearing, and the first rotating shaft rotates within the bearing part;
the bearing unit is fixed on the rear surface of the outer tank, the drum is fixed to the first rotating shaft, and the rotating body is fixed to the second rotating shaft;
wherein the wing decelerating mechanism comprises a wing pulley, a first motor pulley and a wing transmission belt, the wing pulley is supported by a rear end part of the second rotating shaft;
the first motor pulley is mounted at a front end part of the motor shaft of the driving motor, and the wing transmission belt is erected between the wing pulley and the first motor pulley;
the drum decelerating mechanism is configured to decelerating the first rotating shaft; and
the clutch mechanism part is configured for switching the driving part between the first driving form and the second driving form.

US Pat. No. 9,657,796

FREQUENCY-VARIABLE HAND RUBBED-TYPE MOTOR SPEED REDUCTION CLUTCH APPARATUS, AND WASHING MACHINE

HAIER GROUP CORPORATION, ...

1. A frequency-variable hand rubbed-type motor speed reduction clutch apparatus, comprising:
an input shaft (5) connected to a motor rotor (1);

a dehydration shaft (18); and

a clutch apparatus housing (8) in which the input shaft (5) and the dehydration shaft (18) are installed,

wherein a braking wheel (12) and a braking belt (15) fitted to the braking wheel are disposed on the dehydration shaft (18);

wherein a dehydration shaft sleeve (20) rotating together with the input shaft (5) is installed on the input shaft (5), and a clutch shaft sleeve (3) sliding up and down and engaged with or disengaged from the dehydration shaft sleeve (20) is installed on the dehydration shaft (18);

wherein the braking belt (15) and the clutch shaft sleeve (3) are separately connected to a traction motor (11) by means of a control apparatus;

wherein the traction motor (11) generates a first displacement, the first displacement is transmitted by means of the control apparatus and drives the braking
belt (15) to move, so that the braking belt (15) changes from grasping the braking wheel (12) to loosening the braking wheel (12), and the dehydration shaft (18) changes from a braked state to a free rotation state; and

wherein the traction motor (11) generates a second displacement, the second displacement is transmitted by means of the control apparatus and drives the
clutch shaft sleeve (3) to move, so that the clutch shaft sleeve (3) changes from being disengaged from the dehydration shaft sleeve (20) to engaged with the dehydration shaft sleeve (20), and the dehydration shaft (18) rotates together with the input shaft (5).

US Pat. No. 9,683,572

DRAINAGE PUMP DEVICE FOR WASHING MACHINE AND WASHING MACHINE THEREWITH

HAIER GROUP CORPORATION, ...

1. A draining pump device for washing machine, comprising a draining motor, a pump shell, a spinning blade, and a filter,
wherein:
an inlet nozzle and an outlet nozzle are arranged on the pump shell,
a front pump chamber and a rear pump chamber are arranged in the pump shell in sequence according to water flow and communicate
with each other,

the spinning blade is arranged in the rear pump chamber and is coaxial with a revolving shaft of the draining motor,
the filter is arranged in the front pump chamber,
a pressure relief plate with pressure relief holes is integrally arranged at one side of a filter outlet of the filter next
to the spinning blade,

a circular rib for supporting the pressure relief plate is arranged between the front and rear pump chambers,
the maximum diameter of the pressure relief plate is more than the inner diameter of the circular rib,
the outer diameter of the spinning blade is matched with the inner diameter of the circular rib,
the filter is a cylindrical frame structure having first and second ends, the first end of the filter being a supporting plate,
and the second end of the filter being the filter outlet, and

a positioning bump is arranged on one side of the supporting plate facing an inner wall of the front pump chamber.

US Pat. No. 10,214,847

DRUM WASHING MACHINE

Haier Asia Co., Ltd., (J...

1. A drum washing machine, comprising:an outer tank configured in a shell;
a drum configured in the outer tank and capable of rotating by using a horizontal axis or an inclination axis inclining relative to a horizontal direction as a center;
a rotating body arranged at a rear part of the drum and provided with a protruding part in contact with washings on a surface of the rotating body;
a driving part capable of operating in a first driving form and a second driving form, wherein the first driving form is a driving form that enables the drum and the rotating body to rotate at different rotating speeds, and the second driving form is a driving form that enables the drum and the rotating body to integrally rotate at a same rotating speed; and
a control part,
wherein the control part detects load quantity of the washings in the drum, and enables the driving part to operate in the second driving form while detecting the load quantity;
wherein the driving part comprises a driving motor, a first rotating shaft, a second rotating shaft, a wing decelerating mechanism, a drum decelerating mechanism, and a clutch mechanism part, the clutch mechanism part configured to switch a driving form of the driving part between the first driving form and the second driving form;
wherein the driving motor is configured to generate torque for driving the drum and the rotating body;
wherein the first rotating shaft has a hollow shape, and a first sliding bearing and a second sliding bearing are respectively arranged at a front part and a rear part of an inner part of the first rotating shaft;
wherein the second rotating shaft is encircled by the first rotating shaft, a front part of the second rotating shaft protruding forward of the first rotating shaft, a rear part of the second rotating shaft protruding backwards of the first rotating shaft, an outer circumferential surface of the second rotating shaft supported by the first sliding bearing and the second sliding bearing, and the second rotating shaft rotatable within the first rotating shaft;
wherein the wing decelerating mechanism comprises a wing belt wheel, a first motor belt wheel, and a wing transmission belt, the wing decelerating mechanism configured to decelerate a rotation of the driving motor according to a deceleration ratio determined by an outer diameter ratio of the wing belt wheel to the first motor belt wheel and transmit the rotation being decelerated to the second rotating shaft;
wherein the drum decelerating mechanism comprises a drum belt wheel, a second motor belt wheel, and a drum transmission belt, the drum decelerating mechanism configured to decelerate a rotation of the driving motor according to the deceleration ratio determined by the outer diameter ratio of the drum belt wheel to the second motor belt wheel and transmit the rotation being decelerated to the first rotating shaft; and
wherein, in the first driving form, the second rotating shaft is connected to the wing belt wheel for transmitting the rotation of the wing belt wheel to the second rotating shaft so as to rotate the drum and the rotating body at different rotating speeds and, in the second driving form, the second rotating shaft is connected to the drum belt wheel for transmitting the rotation of the drum belt wheel to the second rotating shaft so as to rotate the drum and the rotating body at the same rotating speed.

US Pat. No. 9,605,368

SELF-CLEANING WASHING MACHINE AND CONTROL METHOD THEREOF

HAIER GROUP CORPORATION, ...

1. A self-cleaning washing machine, comprising:
an outer drum;
an inner drum;
a wave wheel;
a water drainage apparatus arranged under the outer drum;
cleaning pellets provided in a chamber defined between the inner drum and the outer drum for cleaning an inner wall of the
outer drum and an outer wall of the inner drum; and

an isolating structure for preventing the cleaning pellets from escaping from the chamber, wherein the isolating structure
comprises at least one of a filtration mechanism arranged in the water drainage apparatus to prevent the cleaning pellets
from being flushed away when water is drained, and a grid mechanism arranged at the bottom part of the inner drum to prevent
the cleaning pellets from entering the inner drum from the bottom of the inner drum,

wherein the water drainage apparatus comprises a water drainage chamber, a pellet receiving chamber for receiving the cleaning
pellets during dewatering and floating, under the buoyant force during water feeding, the cleaning pellets to the chamber
to clean the drum walls, and a through port, being in communication with a water drainage port at the bottom of the outer
drum, formed on an upper wall of the pellet receiving chamber, wherein the upper wall of the pellet receiving chamber inclines
upward from its periphery to the through port so as to enable the cleaning pellets to float with a water level in the pellet
receiving chamber, flow to the through port, and enter the chamber between the inner and outer drums through the water drainage
port;

wherein the filtration mechanism comprises multiple stopping ribs formed between the pellet receiving chamber and the water
drainage chamber, wherein the stopping ribs are divided into two groups by a notch having a width smaller than the cleaning
pellets, extension lines of the two groups of stopping ribs are alternate, a filtration gap smaller than the cleaning pellets
is defined between the two adjacent stopping ribs in the same group, and one side of the two groups of the stopping ribs corresponding
to the pellet receiving chamber forms a filtration surface that is a cambered surface towards the notch so that the filtration
surface is of V-shaped with a bottom at the notch, such that the filtration mechanism enables to prevent the cleaning pellets
from being discharged from the pellet receiving chamber, and enables lint twined on the stopping ribs to slide to tail ends
of the stopping ribs and pass through the notch to the water drainage chamber, and enables sundries including sheet-like objects
to pass through one of the filtration gap and the notch to the water drainage chamber.

US Pat. No. 10,172,969

CLOTHES TREATING DEVICE

Aqua Co., Ltd., (JP) Qin...

1. A clothes treating device, comprising:a bag body for accommodating clothes;
an ozone supply device to supply air with ozone into the bag body;
an exhaust part arranged on the bag body and used for air exhausted outside the bag body to pass through, the exhaust part installed on an opening part formed in the bag body, the exhaust part composed of a first member installed on the opening part from an outer side of the bag body and a second member installed on the opening part from an inner side of the bag body, the first member having a first flange part covering a periphery of the opening part from the outer side, and the second member having a second flange part covering the periphery of the opening part from the inner side, the exhaust part assembled by combining the first member and the second member in a manner of clamping the bag body from the inner side and the outer side;
a bag body retention part for retaining the bag body above the ozone supply device;
an installation part installed on the bag body retention part, the installation part integrally formed with the exhaust part; and
an ozone removing filter arranged on the exhaust part and used for removing ozone in air passing through the exhaust part.

US Pat. No. 10,060,065

DRUM WASHING MACHINE

Haier Asia Co., Ltd., To...

1. A drum washing machine, comprising:an outer tank, configured in a shell;
a drum, configured in the outer tank and capable of rotating by using a horizontal axis or an inclination axis inclining relative to a horizontal direction as a center;
a rotating body, configured at a rear part of the drum and provided with a protruding part configured to be in contact with washings on a surface of the rotating body;
a driving part, configured to enable the drum and the rotating body to rotate at different rotating speeds; and
a water supply mechanism part, capable of splashing water to the surface of the rotating body;
wherein the water supply mechanism part comprises: a water storage part, configured on the rear part of the drum, and configured to move between a position of water soaked in the outer tank and a position higher than the water in the outer tank and store water when soaked in water of the outer tank; and an outflow port, configured on the water storage part, and configured to enable the water stored in the water storage part to flow out to the surface of the rotating body at an upper position;
wherein the protruding part extends radially from center of the rotating body to an outer circumference part of water soaked in the outer tank.

US Pat. No. 10,145,049

DRUM WASHING MACHINE

Haier Asia Co., Ltd., To...

1. A drum washing machine, comprising:an outer tank provided in a housing;
a drum, which is provided in the outer tank and capable of rotating about one of a horizontal axis and an inclination axis inclining with respect to a horizontal direction;
a rotating body, which is provided at a rear part of the drum and a surface of which is provided with a protruding part; and
a driving part, configured to drive the drum and the rotating body to rotate,
wherein the driving part comprises:
a driving motor;
a first rotating shaft fixed to the drum;
a second rotating shaft fixed to the rotating body;
a first pulley, which is fixed on the first rotating shaft and is connected with the driving motor via a first transmission belt;
a second pulley, which is connected with the driving motor via a second transmission belt and has an outer diameter different from that of the first pulley; and
a clutch mechanism part, configured to switch a driving form of the driving part between a first driving form and a second driving form, wherein the first driving form refers to a form in which the second rotating shaft is connected with the second pulley in a manner that a rotation of the second pulley is enabled to be transferred to the second rotating shaft, so that the drum and the rotating body rotate at different speeds along with a rotation of the driving motor; and a second driving form refers to a form in which the second rotating shaft is disconnected with the second pulley in a manner that the rotation of the second pulley is enabled to be not transferred to the second rotating shaft, so that, along with the rotation of the driving motor, the drum rotates and the rotating body becomes a free rotation state.

US Pat. No. 10,329,702

DRUM WASHING MACHINE

HAIER ASIA CO., LTD., To...

1. A drum washing machine, comprising:an outer tank arranged in a housing;
a drum, which is arranged in the outer tank and capable of rotating about a horizontal axis;
a rotating body, which is arranged at a rear part of the drum, and a surface of the rotating body being provided with a projection; and
a driving part, configured to drive the drum and the rotating body to coaxially rotate at different rotating speeds;
wherein the drum comprises a moving unit configured to move the washings in the drum towards the rotating body;
wherein the moving unit comprises a baffle which is arranged on an inner circumferential surface of the drum and which is operative to rotate about a rotating shaft disposed on an end part opposite to the side of the rotating body, enabling the baffle to incline to two sides from being parallel to the horizontal axis.

US Pat. No. 10,161,078

CONTROL METHOD FOR LAUNDRY DRYER

HAIER GROUP CORPORATION, ...

1. A control method for a laundry dryer, the laundry dryer being a heat-pump type laundry dryer and a compressor being a variable-frequency compressor, comprising:setting a minimum running frequency of the compressor according to an amount of clothes to be dried, wherein the more the clothes are, the larger the set minimum running frequency is;
detecting a primary weight of the clothes, at the beginning;
detecting a weight of the clothes after drying, after working for a set period of time; and
determining a change in the weight of the clothes per unit of time, wherein the smaller the change is, the more the clothes are, and the larger the set minimum running frequency of the compressor is.

US Pat. No. 10,655,265

WASHING MACHINE AND CONTROL METHOD THEREFOR

QINGDAO HAIER WASHING MAC...

1. A control method in a washing machine having a circulated water treatment function comprising:discharging water into a flocculation container after a washing process ends;
performing a flocculation treatment, wherein the flocculation treatment includes
first introducing a quantitative flocculant;
inflooding tap water to flush the quantitative flocculant into the flocculation container;
stratifying the contents of the flocculation container after stirring for a set time and standing for a set time;
draining water in a lower layer which contains less flocculation into a filtering container; and
accumulating the flocculation which is in an upper layer in the flocculation container until a last rinse is completed;
after performing the flocculation treatment, filtering water by the filtering container, and then discharging water into a water containing drum of the washing machine for rinsing;
circulating the water repeatedly in the foregoing processing until a last rinse is completed; and
discharging flocculation generated in the flocculation treatment for circulated water during the last rinsing process and using rinsing water to wash the flocculation container after the rinsing is completed.

US Pat. No. 10,253,446

THREAD DEBRIS FILTERING APPARATUS

HAIER GROUP CORPORATION, ...

1. A thread debris filtering apparatus, applied in an inner drum of a washing machine, comprising a thread debris filter, wherein the thread debris filter comprises a filter front cover and a filter rear cover connected therewith; a water filtering part is arranged on the filter front cover; and a water inlet is arranged in an upper part of the filter rear cover, wherein backflow prevention structures are formed by a series of convex structures and arranged on an inner wall of the filter rear cover, the convex structures are arranged in a staggered manner, and tops of the convex structures are uneven; the backflow prevention structures are arranged below the water inlet and close to the water inlet, and a setting area of the backflow prevention structures is less than or equal to ½ of an area of the inner wall of the filter rear cover.

US Pat. No. 10,508,378

VIBRATION-DAMPING COMPONENT OF WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. A vibration-damping component of a washing machine comprising a suspender, a spring, a sleeve and an electromagnetic sensing device,wherein the electromagnetic sensing device comprises an electromagnetic coil and a magnet,
the electromagnetic coil fixedly sleeves on an outer side of the sleeve,
the magnet is arranged in the sleeve and is relatively fixed on the suspender,
the sleeve sleeves on the suspender in a slidable manner,
the spring is arranged between the sleeve and the magnet,
and a weight of clothing is determined through measuring an inductance change of the electromagnetic coil when the sleeve slides on the suspender under stress,
a base is fixedly arranged at a lower end of the suspender, the base supports the spring and the magnet,
the vibration-damping component further comprising a sliding cup, the sliding cup is arranged between the base and the magnet,
the sliding cup is annular and sleeves on the suspender, and
a diameter of the sliding cup is matched with an inside diameter of the sleeve.

US Pat. No. 10,508,383

CLOTHING TREATMENT DEVICE

Aqua Co., Ltd., (JP) Qin...

1. A clothing treatment device, comprising:a bag body configured to accommodate clothing;
an ozone supply part comprising an ozone generator and a blowing fan, wherein the ozone generator is configured to generate ozone, and the blowing fan is configured to deliver the ozone generated by the ozone generator into the bag body by airflow; and
a control part configured to perform a second operation which enables the blowing fan to operate intermittently after performing a first operation which enables the ozone generator and the blowing fan to operate.

US Pat. No. 10,113,259

FLANGE STRUCTURE AT BOTTOM OF INNER TUB OF WASHING MACHINE AND A WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. A flange structure for use at a bottom of an inner tub of a washing machine, comprisinga shaft joint portion located at a center of the flange,
an annular mounting portion configured to be fixedly connected with the bottom of the inner tub of the washing machine and located at an outer periphery of the shaft joint portion,
a plurality of connecting portions provided between the mounting portion and the shaft joint portion, each connecting portion including a main rib extending from the mounting portion to the shaft joint portion, and
a plurality of transverse ribs arranged on both sides of the main rib in an extending direction of the main rib respectively in turn,
wherein the connecting portions descend from the main rib towards both sides in an extending direction of the transverse ribs,
a V-shaped recess is formed between two adjacent connecting portions, and a V-shaped recess bottom end is a breach of the flange formed by a distance between the transverse ribs of the two main ribs for water flow,
and wherein a filter portion is formed in a region between the mounting portion and the shaft joint portion by the plurality of connecting portions.

US Pat. No. 10,550,504

SELF-CLEANING WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. A self-cleaning washing machine, comprising an outer tub and an inner tub, a chamber between the outer tub and the inner tub being provided with cleaning particles for cleaning an inner wall of the outer tub and an outer wall of the inner tub;wherein an accommodating chamber for collecting the cleaning particles is connected to a drainage outlet of the outer tub;
a shield cover is arranged at the drainage outlet,
the shield cover rises or falls as a change of a water level in the washing machine or by a control of a control device to open or at least partially close the drainage outlet so that the cleaning particles are controllably flowed into the chamber or flowed back into the accommodating chamber;
the shield cover includes a cover plate covering the drainage outlet; a projecting part is provided under the cover plate,
when the cover plate rises, the projecting part is at least partially in the drainage outlet to limit a horizontal position of the cover plate.

US Pat. No. 10,494,757

METHOD FOR CONTROLLING EXPANSION VALVE OF FREQUENCY CONVERSION HEAT PUMP CLOTHES DRYER

QINGDAO HAIER WASHING MAC...

1. A method for controlling an expansion valve of a frequency conversion heat pump clothes dryer, a frequency conversion compressor of the clothes dryer comprising a frequency ascending stage, a frequency retaining stage, and a frequency descending stage, the method comprising:adjusting an open degree of the expansion valve through one of parameters selected from a group comprising an operation time at a certain frequency, power, current and an operation frequency of the frequency conversion compressor;
wherein the clothes dryer includes a first drying mode and a second drying mode, an operation time of the frequency conversion compressor in a high-frequency band in the first drying mode is longer than the operation time of the frequency conversion compressor in the high-frequency band in the second drying mode, and the open degree of the expansion valve in the first drying mode when it enters in the frequency descending stage is larger than the open degree of the expansion valve in the second drying mode when it enters in the frequency descending stage.

US Pat. No. 10,422,065

DRUM WASHING MACHINE

Haier Asia Co., Ltd., (J...

1. A drum washing machine comprising:an outer tank, configured in a shell;
a drum, configured in the outer tank and capable of rotating by using a horizontal axis or an inclination axis inclining relative to a horizontal direction as a center;
a rotating body, configured at a rear part of the drum and provided with a protruding part in contact with washings on a surface of the rotating body;
a driving part, capable of operating in a first driving form and a second driving form, wherein the first driving form is a driving form that enables the drum and the rotating body to rotate at different rotating speeds, and the second driving form is a driving form that enables the drum and the rotating body to integrally rotate at a same rotating speed, wherein the driving part comprises a driving motor configured to generate a torque for enabling the drum and the rotating body to rotate;
a motor driving part, configured to provide a driving current to the driving motor;
a current detecting part, configured to detect the driving current; and
a control part configured to:
drive the driving part to operate in the first driving form, so that the drum accelerates to rotate to a first attaching speed at which washings can be attached to an inner circumferential surface of the drum and then accelerates to rotate to a second attaching speed higher than the first attaching speed; and
detect the load quantity based on a difference between a size of the driving current detected by the current detecting part when the drum accelerates to rotate to the second attaching speed and a size of the driving current detected by the current detecting part when the drum accelerates to rotate to the first attaching speed.

US Pat. No. 10,563,336

INNER TUB OF WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. An inner tub of a washing machine, comprising:a tub body;
a balancing ring mounted at an upper part of the tub body;
a tub bottom support mounted at a lower part of the tub body,
wherein an annular necking structure, having an inside diameter smaller than that of the tub body is arranged on the tub body and positioned below the balancing ring;
a plurality of dewatering holes distributed at the necking structure and between the necking structure and the balancing ring or between the necking structure and the balancing ring, and a portion of the tub body below the lowermost dewatering hole is a sealed water containing structure, wherein
the necking structure is an annular inward bulge formed in a wall of the tub body and is concave from outside to inside, and
from bottom to top, the inside diameter of the necking structure first decreases and then increases;
a disconnectable filtering cover arranged on an internal wall of the tub body and positioned below the necking structure, the disconnectable filtering cover including a main body and an auxiliary block which are independent from each other, the auxiliary block is arranged above the main body and below the necking structure and is located at the upper part of the inner tub; and
a water passing gap is arranged between the auxiliary block and the main body for enabling water flow to pass through along a rotating direction of the inner tub.

US Pat. No. 10,544,534

BOTTOM FOOT OF WASHING MACHINE WITH AUTOMATIC WEIGHING STRUCTURE

QINGDAO HAIER WASHING MAC...

1. A bottom foot of a washing machine with automatic weighing structure, comprising a bottom foot installed below a base of the washing machine and a weighing sensor installed on the bottom foot, wherein, a cavity with a downward opening is provided at a bottom of the bottom foot, the weighing sensor is installed in the cavity via a supporting piece in a closed manner;the bottom foot comprises a connecting portion and a supporting portion, which form an integrated convex structure,
the connecting portion is hollow axially, threads are provided on an outer wall of the connecting portion, the supporting portion is provided below the connecting portion, and the cavity is provided in the supporting portion which communicates with the hollow portion of the connecting portion.

US Pat. No. 10,323,348

SUSPENDER DISENGAGEMENT DETECTION APPARATUS FOR WASHING MACHINE AND SAFE OPERATION METHOD FOR WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. A safe operation method for a washing machine, during a working process of the washing machine, the washing machine includinga pressure sensor located at a first joint of a suspender and a housing of the washing machine or a pressure sensor located at a second joint of the suspender and a suspender base of an outer tub of the washing machine, or a pressure sensor located at both the first joint and the second joint, and a controller configured to:
receive a detection result detected by each pressure sensor; and
determine whether the suspender is disengaged according to the detection results, wherein
if a pressure value detected at any one pressure sensor is beyond a predetermined pressure range, the controller is configured to determine that the suspender is disengaged and control the drive motor of the washing machine to stop working.

US Pat. No. 10,294,602

WASHING MACHINE FOOT WITH AUTOMATIC LEVELING FUNCTION AND A WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. Washing machine foot with automatic leveling function, comprising:a jacket;
an adjusting foot, which is arranged in the jacket and moves axially relative to the jacket;
and a flexible assembly, which is arranged in the adjusting foot and is used for accommodating a hydraulic medium;
one end of the flexible assembly is mounted in the jacket in a limiting manner, and another end of the flexible assembly is a telescopic end acting on the adjusting foot;
and the telescopic end of the flexible assembly extends and contracts under action of the hydraulic medium to drive the adjusting foot to move axially, thereby implementing automatic leveling;
wherein the jacket comprises a jacket body with a hollow passage, the adjusting foot is arranged in the hollow passage of the jacket body in an axially slidable manner, and one end of the adjusting foot extends out of the hollow passage of the jacket body;
one end of the jacket body is opened and flanges outwards an outer side of the hollow passage form a jacket plane, and the jacket plane fits to a base plate of the washing machine and is fixedly connected with the base plate through connectors.

US Pat. No. 10,288,140

VARIABLE DAMPING SHOCK ABSORBER

QINGDAO HAIER WASHING MAC...

1. A variable damping shock absorber, comprising a sleeve and a piston rod, one end of the sleeve being an opening and the other end being closed, one end of the piston rod being inserted into through the opening and being slideably provided in an axial direction inside the sleeve, wherein:at least a first friction plate and a second friction plate are arranged in the axial direction between an inner wall of the sleeve and an outer wall of the piston rod, the first friction plate and the second friction plate are fixed in the axial direction on the inner wall of the sleeve, and a sliding friction force between the first friction plate and the second friction plate and the outer wall of the piston rod is different;
the first friction plate and the second friction plate are of a same material, and thicknesses of the first friction plate and the second friction plate in a radial direction of the sleeve are different,
the thicknesses of the first friction plate and the second friction plate decrease from the closed end to the opening end of the sleeve.

US Pat. No. 10,597,812

DRUM WASHING MACHINE

Aqua Co., Ltd., (JP) Qin...

1. A drum washing machine, comprising:an outer tub disposed in a housing;
a drum disposed in the outer tub and being rotatable by using a horizontal axis or an inclination axis inclined relative to a horizontal direction as a center;
a rotating body disposed in the drum and provided with a protruding part in contact with washings on a surface; and
a driving part configured to rotate the drum and the rotating body,
wherein the driving part comprises:
a driving motor;
a first belt wheel fixed to a rotating shaft of the drum;
a second belt wheel fixed to a rotating shaft of the rotating body;
a first motor belt wheel fixed to a motor shaft of the driving motor and connected with the first belt wheel via a first transmission belt;
a second motor belt wheel connected with the second belt wheel via a second transmission belt, the second motor belt wheel rotatably connected to the motor shaft of the driving motor such that the second motor belt wheel is freely rotatable around the motor shaft; and
a clutch mechanism part configured for switching a driving form of the driving part between a first driving form, in which the drum and the rotating body rotate at different rotating speeds along with rotation of the driving motor through connection of the motor shaft and the second motor belt wheel in such a manner that the rotation of the motor shaft is capable of being transmitted to the second motor belt wheel, and a second driving form, in which the motor shaft is disconnected from the second motor belt wheel in such a manner that the rotation of the motor shaft is not transmitted to the second motor belt wheel;
wherein the clutch mechanism part is connected to the motor shaft of the driving motor and is operative to engage with the second motor belt wheel in the first driving form and to disengage from the second motor belt wheel in the second driving form.

US Pat. No. 10,550,507

WASHING MACHINE DRAINAGE STRUCTURE

QINGDAO HAIER WASHING MAC...

1. A drainage structure for a washing machine which comprises an outer tub and an inner tub without holes in a lower part of a tub side wall,comprising a ball valve and a driving device,
a water inlet end of the ball valve being communicated with a drainage outlet at a bottom wall of the inner tub,
wherein,
the ball valve comprises a valve casing, a ball body, a first valve rod and a second valve rod, the ball body is rotatably arranged in the valve casing, the first valve rod and the second valve rod are connected respectively with the ball body of the ball valve;
the driving device comprises a first stop lever assembly, and a second stop lever assembly;
the first stop lever assembly and the second stop lever assembly are mounted on a bottom wall of the outer tub; and
the first valve rod is configured to be stopped by the first stop lever assembly and is configured to rotate for 90 degrees in a reverse direction so as to open the ball valve when the inner tub rotates in a forward direction, and the second valve rod is configured to be stopped by the second stop lever assembly and is configured to rotate for 90 degrees in the forward direction so as to close the ball valve when the inner tub rotates in the reverse direction.

US Pat. No. 10,480,114

DRUM WASHING MACHINE

HAIER ASIA CO., LTD., To...

1. A drum washing machine, comprising:an outer drum, configured in a shell;
a drum, configured in the outer drum and operative to rotate by using a horizontal axis or an inclination axis inclining relative to a horizontal direction as a center;
a rotating body, configured in the drum and provided with a protruding part in contact with washings on a surface of the rotating body;
a driving part, operative to operate in a first driving form and a second driving form, wherein the first driving form is a driving form in which the drum and the rotating body are operative to integrally rotate at a same rotating speed or the drum is operative to rotate and the rotating body is operative to be in a free rotation state, and the second driving form is a driving form in which the drum and the rotating body are operative to rotate at different rotating speeds;
a heater, configured to heat water stored in the outer drum for washing; and
a control part, which is configured to at least performs washing operation of a first washing mode and a second washing mode, wherein
the control part is configured to:
control the driving part to operate in the first driving form and control the heater to operate, in a washing process of the first washing mode; and
control the driving part to operate in the second driving form, and control the heater to operate in such a manner that heat applied to the water is reduced compared with the first washing mode or not control the heater to operate, in a washing process of the second washing mode;
wherein the drum washing machine further comprises a temperature sensor configured to detect a temperature of the water stored in the outer drum and heated by the heater.

US Pat. No. 10,450,689

DUAL-STROKE SAFETY SWITCH OF WASHING MACHINE AND ECCENTRICITY CONTROL METHOD

QINGDAO HAIER WASHING MAC...

1. An eccentricity control method of a washing machine including a dual-stroke safety switch, the dual-stroke safety switch including a control rod, a base and a control switch, the control switch being mounted in the base, and the control rod being movably connected to the base, wherein, the control switch includes a first control switch and a second control switch, the control rod has two motion strokes respectively for controlling a switch-off of the first control switch and the second control switch, a motion stroke of the control rod for switching off the first control switch is smaller than a motion stroke of the control rod for switching off the second control switch, the method comprising:when the first control switch of the dual-stroke safety switch is switched off, a controller controls the washing machine to decelerate dewatering or dewatering along with sprinkling for eccentricity correction during a dewatering process of the washing machine,
when the first control switch and the second control switch are both switched off, the controller controls the washing machine to suspend dewatering and the washing machine supplies water for the eccentricity correction.

US Pat. No. 10,443,777

LEVELING DEVICE OF HOUSEHOLD APPLIANCE AND HOUSEHOLD APPLIANCE WITH SAME

QINGDAO HAIER WASHING MAC...

1. A household appliance, comprising at least two leveling feet mounted at a bottom of the household appliance, whereineach leveling foot comprises a fixed part which is a cylinder and a movable part, the fixed part is mounted at the bottom of the household appliance, one end of the movable part is telescopically sleeved by sleeves on the fixed part, another end of the movable part is arranged on a support plane, a closed chamber is formed between the fixed part and the movable part, and the closed chamber is provided with a hydraulic medium;
the closed chambers of at least two said leveling feet communicate with each other via an oil pipe set, the hydraulic medium flows under pressure between the closed chambers of the leveling feet communicating with each other, and the movable parts expand or contract along with the flowing of the hydraulic medium to perform automatic leveling; and
acting contact surfaces of the hydraulic medium in the leveling feet communicating with each other via the oil pipe set have different areas;
the cylinders of the leveling feet communicating with each other via the oil pipe set have different inner diameters; wherein
a center of gravity of the household appliance does not coincide with a geometrical center of the household appliance, the leveling foot with the cylinder having a larger inner diameter is installed closer to the center of gravity of the household appliance.

US Pat. No. 10,415,177

CONTROL METHOD FOR CLOTHES DRYER, AND CLOTHES DRYER

QINGDAO HAIER WASHING MAC...

1. A control method for a clothes dryer that comprises a clothes drying drum, a heat pump system and an electrical heating system, the heat pump system comprises a compressor, a condenser, an evaporator and a throttling device, and the electrical heating system is an electrical heating pipe, comprising controlling the heat pump system and the electrical heating system to work cooperatively, thus allowing the clothes dryer to at least comprise a fast mode in whichthe electrical heating pipe is turned on after the compressor is turned on and operated;
air about to enter the clothes drying drum is controlled to be firstly heated by the condenser of the heat pump system and further heated by the electrical heating pipe, and then to enter the clothes drying drum; and
a load of the heat pump system is reduced in an auxiliary condensing manner before the heating pipe is switched off, when the load of the heat pump system is close to a maximum load.

US Pat. No. 10,227,723

FOOT OF WASHING MACHINE WITH AUTOMATIC LEVELING FUNCTION AND WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. Feet of a washing machine with automatic leveling function, which is provided at a bottom of the washing machine, wherein: each of the feet comprises a fixed part and a movable part, a hollow chamber is formed between the fixed part and the movable part, and the hollow chamber is provided with a hydraulic medium,and every two feet are connected by a high-pressure oil pipe to communicate between the hollow chambers of the every two feet, or all the feet are respectively connected to a communicating device by high-pressure oil pipes to communicate among the hollow chambers of all the feet,
and the hydraulic medium flows between hollow chambers of the feet communicated with each other to expanding and contracting the movable part under pressure to execute automatic leveling;
the feet comprise a first foot and a second foot which are respectively provided with one orifice and two valve openings which are a first valve opening and a second valve opening,
the orifice, the first valve opening and the second valve opening are respectively communicated with the hollow chamber,
the orifice of the first foot is connected with the first valve opening of the second foot through the high-pressure oil pipe, the first valve opening of the first foot is connected with the orifice of the second foot through the high-pressure oil pipe, and
the second valve opening of the first foot is connected with the second valve opening of the second foot through the high-pressure oil pipe.

US Pat. No. 10,648,111

STAIN REMOVAL DEVICE

QINGDAO HAIER WASHING MAC...

1. A stain removal device, comprising:a cassette mechanism, which comprises a head portion having a beating surface and a water supply bottle for accommodating liquid, wherein water supply paths are formed from the water supply bottle and throughout the head portion; and
a device main body, which comprises a vibration unit,
wherein the vibration unit is mounted by pressing the cassette mechanism and detached by pulling out the vibration unit and is configured to apply a vibration to the cassette mechanism towards a direction substantially orthogonal to the beating surface of the head portion through supplied electric power,
wherein with the vibration generated by the vibration unit to the cassette mechanism, the stain removal device supplies the liquid to the beating surface of the head portion from the water supply bottle through the water supply paths,
wherein the water supply bottle of the cassette mechanism comprises a bottle main body and a cover body screwed with the bottle main body so as to be capable of opening and closing, and the head portion is integrally provided on the cover body,
wherein the cover body is a bottomed member having an outer barrel screwed with an outer periphery of an end portion of the bottle main body to constitute a connection portion, the water supply paths comprises a first water supply path from a bottom of the cover body and throughout the beating surface of the head portion and a second water supply path from the end portion of the bottle main body throughout the bottom of the cover body, a first throttling portion is formed in a region of the first water supply path, and a sealing member having a second throttling portion is detachably provided in a region of the second water supply path, the scaling member is tightly clamped between an end surface of the bottle main body and a bottom of the cover body, and the sealing member has a bottom portion and an upright wall which rises from a periphery of the bottom portion for blocking liquid flowing through the second water supply path from entering into screwing portions of the cover body and the bottle main body.

US Pat. No. 10,633,781

VIBRATION DETECTION DEVICE OF WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. A vibration detection device of a washing machine, comprising a suspender, a first damping spring, a second damping spring, a sleeve, a bottom cover and an electromagnetic sensing device,wherein the electromagnetic sensing device comprises an electromagnetic coil and a magnet,
an upper end of the suspender is configured to be connected with a casing of the washing machine,
the bottom cover is fixed at a bottom of the sleeve,
the electromagnetic coil and the magnet are arranged below a lower end of the suspender, the electromagnetic coil is sleeved on the magnet and is connected with the bottom cover, and the magnet and the electromagnetic coil are enclosed inside the sleeve by the bottom cover,
a first compression spring arranged between the bottom cover and the magnet is respectively connected with the bottom cover and the magnet, and
a second compression spring arranged between a bottom end of the suspender and the magnet is respectively connected with the bottom end of the suspender and the magnet;
the first damping spring and the second damping spring are arranged in the sleeve and connected in series an elastic coefficient of the first damping spring is different with an elastic coefficient of the second damping spring,
the sleeve is movable in an axial direction of the suspender.

US Pat. No. 10,626,541

HYDRAULIC LEVELING DEVICE OF WASHING MACHINE AND FILLING METHOD THEREOF

QINGDAO HAIER WASHING MAC...

1. A washing machine hydraulic leveling device, comprising:a plurality of hydraulic feet, wherein each hydraulic foot comprises a fixed part and a movable part, a hollow chamber is formed between the fixed part and the movable part, and the hollow chamber is provided with a hydraulic medium;
two hydraulic feet of the plurality of hydraulic feet communicate with each other through an oil pipe, the hydraulic medium flows under pressure between the hollow chambers of the hydraulic feet to drive the movable parts to extend and retract, thereby implementing automatic leveling; and
each fixed part is provided with an oil nipple communicating with the respective hollow chamber, and the oil nipples of the two hydraulic feet are connected to a same connecting piece through the oil pipe, thereby implementing communication between the two hydraulic feet; wherein
the connecting piece includes a main cavity, the main cavity is internally provided with two flow channels, an oil hole and a vent hole are formed in the main cavity corresponding to the two flow channels respectively, and a sealing member is mounted on each of the oil hole and the vent hole.

US Pat. No. 10,612,178

LOCKING MECHANISM FOR INNER TUB AND WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. A locking mechanism for an inner tub, comprising:a locking rod configured to reciprocate along an axial direction;
a slideway for a movement of the locking rod;
a driving unit for driving the locking rod to move;
a crank-link structure, a lower end of the locking rod is connected with a link of the crank-link structure; and
an idle stroke is arranged between the link and a crank and/or between the link and the locking rod; wherein the link includes:
a connecting arm, hinge holes are separately formed in two ends of the connecting arm, the hinge hole of one end of the connecting arm is hinged to an end part of the locking rod, the hinge hole of another end of the connecting arm is hinged to the crank, and one or both of the hinge holes are elliptical holes; or
the link includes the connecting arm, a first spring and a slider,
a first end of the first spring is fixed to the connecting arm, a second end of the first spring is fixed to the slider, the slider is in a sliding connection with the connecting arm,
a first end, fixed to the first spring, of the connecting arm is hinged to the locking rod, and a second end, where the slider is arranged, of the connecting arm is hinged to the crank through the slider;
a fixing shell;
a fixing seat, the fixing shell is mounted on the fixing seat, the locking rod and the slideway are arranged in the fixing shell, and a sealing structure is arranged between the fixing shell and the locking rod;
the sealing structure is a sealing sleeve which can stretch and retract along with stretching and retracting of the locking rod, a first end of the sealing sleeve is in sealed connection with the fixing shell, a second end of the sealing sleeve is in sealed connection with the locking rod, a third end extending from the second end of the sealing sleeve along an axial direction is in sealed connection with a lower end of the fixing shell.

US Pat. No. 10,605,324

HOUSEHOLD APPLIANCE FOOT AND HOUSEHOLD APPLIANCE

QINGDAO HAIER WASHING MAC...

1. A household appliance foot, comprising:a hydraulic plate;
a sheath, being fixedly connected with the hydraulic plate;
a regulating foot, being arranged in the sheath and being axially movable relative to the sheath;
an accommodation chamber, being formed by the hydraulic plate, the sheath and the regulating foot;
a hydraulic medium, being in the accommodation chamber and being compressed or expanding with pressure changes to drive the regulating foot to axially move in the sheath for leveling;
a communicating device comprising a hydraulic pipe and a communicating member, communicating at least two household appliance feet for allowing the hydraulic medium to flow between the household appliance feet; and
a throttling flow passage, being arranged in the communicating member; wherein,
both ends of the throttling flow passage separately communicate with hydraulic pipes,
a diameter of the throttling flow passage is smaller than a diameter of the hydraulic pipe communicated with the throttling flow passage;
a pouring port for pouring the hydraulic medium is arranged in the communicating member, a sealing device is mounted on the pouring port in a sealing manner,
the pouring port is a screw hole, the sealing device includes a bolt and a sealing ring, the bolt is mounted in the screw hole, and the sealing ring is arranged between the bolt and the screw hole for sealing connection.

US Pat. No. 10,604,884

WASHING MACHINE CONTROL METHOD AND WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. A washing machine, comprising:a filter membrane assembly, which is configured to filter water discharged from a washing drum of the washing machine and comprises separated first water inlet cavity and first water filtering cavity, wherein the first water inlet cavity comprises a water inlet and a sewage outlet;
a water suction pump, which is arranged on a water production pipeline of the filter membrane assembly and is configured to suck water in the first water filtering cavity to the water production pipeline, so as to return water filtered by the filter membrane assembly to the washing drum of the washing machine for reuse;
a first drainage pump, which is arranged on a pipeline between the washing drum and a water inlet of the first water inlet cavity and is configured to pump water in the washing drum to the first water inlet cavity and ensure that a water level in the first water inlet cavity is not higher than a lower edge of the sewage outlet; and
a gas flow supply apparatus, which is configured to perform gas washing to the filter membrane assembly, wherein the first drainage pump is in an off state when the gas flow supply apparatus is operated.

US Pat. No. 10,604,885

FILTERING SYSTEM WITH SELF-CLEANING FUNCTION AND CLOTHES DRYER

QINGDAO HAIER WASHING MAC...

1. A filter system with self-cleaning function comprises a shell with an air inlet and an air outlet, a filter system screen, a cleaning unit, a driving device and a lint collection drawer, wherein the driving device includes a drive motor disposed on an outer wall of the shell and a screw rod disposed inside the shell, an output shaft of the drive motor passes through a small hole I opened on the shell and extends inside the shell; one end of the screw rod is engaged with the output shaft of the drive motor and the other end of the screw rod is mounted inside a small hole II opened on a wall opposite to the output shaft of the drive motor; the cleaning unit is screwed on the screw rod and driven by the screw rod to move back and forth and a lower end of the cleaning unit is in contact with the filter system screen, wherein the screw rod is disposed at the center of the cavity of the shell, and slide rails are arranged on a front wall and a rear wall of the shell; the middle part of the upper portion of the cleaning unit is engaged with the screw rod, and bearings are respectively arranged on the front end of the upper portion of the cleaning unit and on the rear end of the upper portion of the cleaning unit and the bearings are disposed on the slide rails.

US Pat. No. 10,604,886

CONDENSATION-BASED CLOTHES DRYER AND CONDENSATION-BASED CLOTHES DRYING METHOD

QINGDAO HAIER WASHING MAC...

1. A condensation-based clothes dryer, comprising a box body, a drum, a front hot air duct, a rear hot air duct, an air chamber, a fan for driving air from an air inlet in the box body to an air outlet in the box body through a circulating air duct, and a heater for heating air, wherein the rear hot air duct, the drum, the front hot air duct and the air chamber are communicated to form the circulating air duct; and further comprising a condenser arranged outside the box body, wherein the condenser has a multilayer sheet structure, the condenser has a condensation air duct and a cooling air duct, an inlet end of the condensation air duct is communicated with the air outlet in the box body, an outlet end of the condensation air duct is communicated with outside air, an inlet end of the cooling air duct is communicated with outside air, an outlet end of the cooling air duct is communicated with the air inlet in the box body, and a condensate water collecting box is arranged below the condenser.

US Pat. No. 10,577,740

DISCHARGE CONTROL MECHANISM FOR INNER TUB OF WASHING MACHINE, AND WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. A discharge control mechanism for an inner tub of a washing machine, comprising:a discharge hole formed at a bottom of the inner tub, and the discharge control mechanism capable of blocking the discharge hole is arranged at a bottom of the outer tub; the discharge control mechanism at least comprises a valve plug capable of stretch and contraction;
during water intake and washing, the discharge control mechanism is configured to control the discharge hole to be closed by moving the valve plug upward to close the discharge hole so that there is no water between the inner tub and the outer tub; and during draining and dewatering, the discharge control mechanism is configured to control the discharge hole to be opened by moving the valve plug downward to open the discharge hole;
the discharge control mechanism is configured to be located below the discharge hole by a locking structure arranged at the bottom of the outer tub locking the inner tub.

US Pat. No. 10,549,320

STAIN REMOVAL DEVICE

HAIER ASIA CO., LTD., To...

1. A stain removal device, comprising:a head portion, formed with a beating surface;
a vibration unit, which is located on an extension line of an axis of the head portion orthogonal to the beating surface and vibrates the head portion in an axis direction through driving of a solenoid actuator;
a liquid supply unit, which has a liquid accommodating portion capable of accommodating liquid and supplies the liquid in the liquid accommodating portion to the beating surface through vibration of the head portion generated by the vibration unit;
a main body housing, wherein the head portion protrudes from a front end portion of the main body housing; and
a cover portion, detachably arranged at the front end portion of the main body housing, wherein
a changing portion is formed on the main body housing and the cover portion, and is operative to change a length of the cover portion protruding from the front end portion of the main body housing within a range of an operating stroke of the solenoid actuator;
wherein the changing portion comprises: a convex portion extending to the axis direction that is formed at one of the front end portion of the main body housing and a basal end portion of the cover portion; a first concave portion that has a depth configured for substantially clamping the entire convex portion and a second concave portion that is shallower than the first concave portion, the first concave portion and the second concave portion being formed at the other of the front end portion of the main body housing and the basal end portion of the cover portion; wherein the convex portion is operative to be clamped with the first concave portion or the second concave portion so as to change a protruding length of the cover portion.

US Pat. No. 10,513,816

DRUM WASHING MACHINE

Haier Asia Co., Ltd., To...

1. A drum washing machine, comprising:an outer tank, configured in a shell;
a drum, configured in the outer tank and capable of rotating by using a horizontal axis or an inclination axis inclining relative to a horizontal direction as a center;
a rotating body, configured at a rear part of the drum and provided with a protruding part in contact with washings on the surface of the rotating body; and
a driving part, configured to enable the drum and the rotating body to rotate, wherein
the driving part comprises:
a driving motor;
a first rotating shaft, fixed on the drum;
a second rotating shaft, fixed on the rotating body;
a first belt wheel, fixed on one of the first rotating shaft and the second rotating shaft and connected with the driving motor by a first transmission belt;
a second belt wheel, connected with the driving motor by a second transmission belt and having an outer diameter different from that of the first belt wheel, wherein the second belt wheel is supported on the other one of the first rotating shaft and the second rotating shaft in a freely rotatable manner; and
a clutch mechanism part, configured to switch a driving form of the driving part between a first driving form and a second driving form, wherein the first driving form is a form that enables the drum and the rotating body to rotate at different rotating speeds through connecting the other one of the first rotating shaft and the second rotating shaft with the second belt wheel in a manner of enabling rotation of the second belt wheel to be transmitted to the other one of the first rotating shaft and the second rotating shaft; and the second driving form is a form that enables the drum and the rotating body to rotate at a same rotating speed through connecting the other one of the first rotating shaft and the second rotating shaft with the first belt wheel in a manner of enabling rotation of the first belt wheel to be transmitted to the other one of the first rotating shaft and the second rotating shaft.

US Pat. No. 10,415,172

CONTROL METHOD FOR AUTOMATICALLY POSITIONING INNER TUB

QINGDAO HAIER WASHING MAC...

1. A control method for automatically positioning an inner tub, comprising:weighing a load loaded in the inner tub to determine a weight of the load, and determining an angle ? at which the inner tub continues rotating under its own inertia at a speed v according to the weight of the load;
rotating the inner tub by a motor and stopping operation of the motor;
when the inner tub rotates to a position where an included angle between a positioning hole formed in a bottom of the inner tub and a positioning pin arranged at a bottom of an outer tub is less than or equal to ?, the positioning pin being released to press against the bottom of the inner tub, and the inner tub continues rotating, and
when the inner tub rotates to a position where the positioning hole is aligned with the positioning pin, the positioning pin stretches into the positioning hole, and the inner tub is locked.

US Pat. No. 10,409,240

METHOD OF CONTROLLING SELF-SERVICE WASHING MACHINE, AND TERMINAL AND SYSTEM UTILIZING SAME

Qingdao Haier Washing Mac...

1. A method of controlling a self-service washing machine, applied to a terminal, comprising:outputting position information and state information of at least one peripheral washing machine;
acquiring a target washing machine selected by a user; sending a reservation request to a server, wherein the reservation request comprises a target time period and an identifier of the target washing machine input by the user so as to enable the server to schedule the target washing machine to provide a washing function for the user in the target time period; and
receiving and outputting a reservation result fed back by the server;
the method further comprising the following operations before outputting position information and state information of at least one peripheral washing machine:
acquiring position information of the user;
sending a washing machine position and state acquiring request to the server, wherein the washing machine position and state acquiring request carries position information of the terminal; and
receiving washing machine position and state response information fed back by the server, wherein the washing machine position response information comprises position information and state information of at least one washing machine around the user;
the method further comprises a plurality of function information of the washing machines, wherein the plurality of function information includes rinsing, drying and steam washing based on time requirement;
output a reservation control command to the washing machines by the server based on user position, washing machine position and time requirement of the function information.

US Pat. No. 10,221,517

FOOT OF A WASHING MACHINE WITH AUTOMATIC LEVELING FUNCTION AND A WASHING MACHINE THEREOF

QINGDAO HAIER WASHING MAC...

1. A foot of a washing machine with automatic leveling function, comprising a foot base, a flexible accommodating body and an adjustable foot, wherein,a hollow chamber is arranged in the foot base, a valve board is provided in the hollow chamber of the foot base, the hollow chamber is divided to an upper chamber and a lower chamber by the valve board, the upper chamber is the gas chamber for being filled with gas,
the flexible accommodating body is arranged in the lower chamber, an accommodating chamber is arranged in the flexible accommodating body and is provided with a hydraulic medium,
the valve board is provided with a conducting hole through which the hydraulic medium flows to the gas chamber under pressure, and a space between the flexible accommodating body and the lower chamber is not communicated with the gas chamber,
an end of the adjustable foot is relatively slidably set in the hollow chamber, and the flexible accommodating body is contact or connected with the adjustable foot.

US Pat. No. 10,640,906

WASHING MACHINE

AQUA CO., LTD., Tokyo (J...

1. A washing machine, comprising:a washing drum, which is capable of accommodating washings and provided with an impeller in a free rotation manner;
a driving part, which rotates the impeller;
an inertial rotation number detection part, which detects a first number of turns of inertial rotation of the impeller after the driving part stops driving, wherein the first number of turns is a first inertial rotation number; and
a control part, which controls the driving part and the inertial rotation number detection part, and detects an amount of washings in the washing drum according to the first inertial rotation number, wherein the amount of washings is a load of the washing machine;
wherein the control part detects the load according to the first inertial rotation number through the following manner: in the case that the control part determines that the first inertial rotation number detected by the inertial rotation number detection part is in a range from a first predetermined value to a second predetermined value, the control part enables the driving part to drive again; the inertial rotation number detection part detects a second inertial rotation number of the impeller after the driving part stops driving again; and the control part detects the load according to the first inertial rotation number and the second inertial rotation number, wherein the first predetermined value is less than the second predetermined value;
wherein the control part detects the load according to the first inertial rotation number and the second inertial rotation number through the following manner: the control part compares an absolute value of a difference between the first inertial rotation number and the second inertial rotation number with a third predetermined value, and determines that the load is small in the case that the absolute value of the difference is greater than the third predetermined value and the load is medium in the case that the absolute value of the difference is small than or equal to the third predetermined value.

US Pat. No. 10,619,285

CONTROL METHOD OF WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. A method of controlling a washing machine, wherein the washing machine comprises:three or more hollow balancers provided with different angular phases around an axis at an inner circumferential surface of a washing tub; and
a water injection device for injecting adjusted water into each of the balancers individually,
wherein the method of controlling the washing machine comprises:
in a dehydration process,
detecting an unbalanced position of the washing tub;
determining the balancers that require water injection based on the detection of an unbalanced position;
when water injection is required for at least two of the balancers, injecting the adjusted water into an arbitrary first one of the at least two of the balancers;
detecting a transition of an unbalance amount of the washing tub during the injection of the adjusted water;
switching the water injection of the adjusted water from the first one of the at least two of the balancers to a second one of the at least two of the balancers when the unbalance amount detected increases; and
injecting the adjusted water into the second one of the at least two of the balancers.

US Pat. No. 10,612,179

AUTOMATIC WASHING MACHINE AND CONTROL METHOD

QINGDAO HAIER WASHING MAC...

1. An automatic washing machine comprising:an outer tub;
an inner tub;
a pulsator; and
a driving means, wherein the driving means includes an inner rotor and an outer rotor, a stator and a deceleration mechanism, the outer rotor configured to drive the pulsator to rotate after being decelerated by the deceleration mechanism, and the inner rotor configured to drive the inner tub to rotate at a same speed as the other rotor, and
wherein the deceleration mechanism comprises a housing, and a gear mechanism arranged in the housing, an inner tub shaft, a pulsator shaft and an input shaft,
the stator is a disc-shaped structure with a downward concave center,
the stator comprises, in order from inside to outside, a central bearing housing, an inner rotor mounting groove with a downward opening, a stator winding, an outer rotor mounting groove with an upward opening, and a mounting base which is at an outer edge and relatively fixed with the outer tub,
the deceleration mechanism is located at the downward concave center of the stator, and the outer rotor is arranged above the stator to match the shape of the stator,
a center of the outer rotor has a cavity for accommodating the deceleration mechanism, and an inner wall of the cavity is connected with the housing of the deceleration mechanism, the inner rotor is disposed below the stator and is connected to the input shaft,
the inner tub shaft is a shaft sleeve structure, one end of the inner tub shaft is connected with the inner tub and another end of the inner tub shaft is connected with the housing, the housing is rotatable, the housing is connected with the inner rotor,
the pulsator shaft is coaxially arranged in the inner tub shaft, one end of the pulsator shaft is connected with the pulsator and another end of the pulsator shaft is connected with an output of the gear mechanism, and
one end of the input shaft is connected with the inner rotor, another end of the input shaft is connected with an input of the gear mechanism.

US Pat. No. 10,584,439

DRAINAGE MECHANISM OF A WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. A drainage mechanism of a washing machine, the washing machine including an inner tub without holes in a lower part of a side wall of the inner tub and an outer tub coaxially mounted outside the inner tub, the drainage mechanism comprising:a water sealing cover;
a lever structure;
a driving device;
the lever structure including a lever and a lever support, the lever having a driving arm end and a resistance arm end, the resistance arm end of the lever being connected with the water sealing cover,
the driving device being arranged at the driving arm end of the lever, wherein the driving device comprises a cam being rotatably mounted on an outer side of a bottom wall of the inner tub,
the cam having a contour surface arranged below the driving arm end of the lever, and the cam is provided with a first shift rod and a second shift rod;
a drainage outlet being formed in the bottom wall of the inner tub; and
a first stop rod assembly and a second stop rod assembly, both of which are mounted on a bottom wall of the outer tub; wherein
when the inner tub rotates in a forward direction, the first stop rod assembly is configured to stop the first shift rod so that the cam rotates in a reverse direction, the contour surface presses the lever structure, and the water sealing cover opens the drainage outlet, and
when the inner tub rotates in the reverse direction, the second stop rod assembly is configured to stop the second shift rod so that the cam rotates in the forward direction, the contour surface loosens the lever structure, and the water sealing cover closes the drainage outlet.

US Pat. No. 10,358,758

INNER TUB OF WATER-SAVING WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. An inner tub of a washing machine, comprising a balance ring, a tub body and a tub bottom, and the inner tub being a water containing tub during washing, wherein:an annular block groove which opens downward is arranged inside an upper end of the tub body, the annular block groove configured so that water circulates in the annular block groove in a circumferential direction, and the annular block groove is provided with a plurality of drain holes for draining water out of the inner tub;
wherein the balance ring is mounted on the upper end of the tub body and cooperates with the tub body to form the annular block groove;
the upper end of the tub body includes an annular connecting portion for connecting the balance ring and an annular forming portion for cooperating with the balance ring and forming a part of a side wall of the annular block groove, an outer side wall of the annular block groove coincides with the forming portion;
the forming portion on the upper end of the tub body bends inwardly and extends upwardly to form the connecting portion, the connecting portion is fixedly connected with the balance ring,
an inner surface of the upper end of the tub below the lowermost portion of the balancing ring forming portion is a smooth surface.

US Pat. No. 10,358,759

COMPOSITE BALANCE RING AND WASHING MACHINE

HAIER GROUP CORPORATION, ...

1. A composite balance ring, which is internally hollow to form a chamber, wherein,the chamber is horizontally provided with a partition plate which divides the chamber into an upper chamber and a lower chamber,
the upper chamber and the lower chamber are communicated through an overflow structure and a backflow structure,
and the chamber is filled with balancing liquid with a liquid level close to the partition plate,
the overflow structure is arranged further away from a center of the balance ring than the backflow structure,
the overflow structure forming an overflow gap which is between an outer periphery of the partition plate and a side wall of the chamber,
the overflow gap configured to allow the balancing liquid in the lower chamber to overflow to the upper chamber, the backflow structure is constituted by a backflow port provided near an inner periphery of the partition plate, the backflow port configured to allow the balancing liquid which overflows to the upper chamber to flow back to the lower chamber through the backflow port.

US Pat. No. 10,358,762

DRAINAGE DEVICE OF WASHING MACHINE, AND WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. A drainage device of a washing machine using cleaning particles for cleaning barrel walls, comprising:a drain valve body including a particle collecting and discharging chamber and a drainage chamber, the particle collecting and discharging chamber being in fluid communication with the drainage chamber, wherein
an upper wall of the particle collecting and discharging chamber is provided with a water inlet, one side of the particle collecting and discharging chamber is provided with an opening and the drainage chamber is provided with a water outlet;
a particle filtering structure provided between the particle collecting and discharging chamber and the drainage chamber; and
a sealing cover installed on the opening of the particle collecting and discharging chamber,
the sealing cover including an outer cover and an insertion portion, the insertion portion being inserted through the opening, and fitting an edge the opening,
wherein an inner wall of the insertion portion is provided with a plurality of protrusions and wherein a gap between adjacent protrusions of the plurality of protrusions is smaller than a minimum diameter of the cleaning particles used in the washing machine;
the insertion portion includes an extension arranged against the upper wall of the particle collecting and discharging chamber and extending toward the water inlet,
the plurality of protrusions being provided on a lower surface of the extension and extending vertically downwards from a lower surface of the extension, and
a vertical dimension of each protrusion of the plurality of protrusions gradually decreases in a direction toward the water inlet from the outer cover.

US Pat. No. 10,275,978

COIN-OPERATED WASHER/DRYER

QINGDAO HAIER WASHING MAC...

1. A coin-operated washing/drying machine, comprising a cabinet and a coin box assembly disposed within the cabinet, wherein a supporting structure is fixedly disposed within the cabinet; at least a bottom surface of the coin box assembly is fixedly connected with the supporting structure by a fastener; and the fastener passes through from the interior of the coin box assembly and is fixedly connected with the supporting structure;wherein the coin box assembly comprises a coin insertion portion and a coin storage box; an inlet is disposed at a top surface of the coin storage box; and the coin insertion portion has a coin channel leading into the inlet; and
a cross beam is connected between the tops of two side plates of the cabinet and the top surface of the coin storage box is fixedly connected with a bottom surface of the cross beam.

US Pat. No. 10,196,771

REDUCTION CLUTCH CAPABLE OF POSITIONING INNER TUB AND WASHING MACHINE

QINGDAO HAIER WASHING MAC...

1. A reduction clutch capable of positioning an inner tub, comprisingan input shaft,
an input shaft sleeve, a gear train,
an output shaft for driving a pulsator,
an output shaft sleeve for driving the inner tub, and
a clutch shaft sleeve outside the output shaft sleeve which is slidably and irrotationally connected to the output shaft sleeve,
the input shaft being connected to the output shaft via the gear train, the input shaft sleeve being connected to the output shaft sleeve, and
the clutch shaft sleeve sliding axially to a lower portion to connect to a driving device and sliding to an upper portion to connect to a fixed disk,
wherein, the clutch shaft sleeve sliding to the upper portion only has one connecting position capable of connecting to the fixed disk in a circumferential direction, and
the input shaft sleeve, the output shaft sleeve and the inner tub in the circumferential direction are positioned by the connecting position.