US Patent No. 10,124,650

AUTOMOBILE AIR CONDITIONER HOUSING HAVING A FRAME WITH SLOTS FOR DIFFERENT HEATERS


Patent No. 10,124,650
Issue Date November 13, 2018
Title Automobile Air Conditioner Housing Having A Frame With Slots For Different Heaters
Inventorship Masao Watanabe, Isesaki (JP)
Takahiro Seto, Tochigi (JP)
Assignee Sanden Holdings Corporation, Isesaki-shi, Gunma (JP) Keihin Corporation, ...

Claim of US Patent No. 10,124,650

1. An automobile air conditioner which includes an air-cooling heat exchanger and two heating devices for air heating that are provided in series in an air feed passage formed in a housing, and in which an upstream heating device of the two heating devices is selected from two types of heating devices differing in shape and size, whereinthe air-cooling heat exchanger is an evaporator for heat pump cycle and is provided upstream of the two heating devices,
the two heating devices are provided in series and adjacent to each other,
the upstream heating device of the two heating devices is mounted in the housing by being inserted thereto through an insertion/ejection slot formed in a side surface of the housing,
a downstream heating device of the two heating devices is mounted in the housing by being inserted thereto through an insertion/ejection slot formed in a lower surface of the housing,
the insertion/ejection slot of the side surface is formed so as to fit the larger one of the two types of heating devices,
when selected, the smaller one of the two types of heating devices is housed in a frame having an external dimension to fit into the insertion/ejection slot of the side surface, and is mounted in the housing with the frame interposed therebetween,
the downstream heating device is larger than the smaller one of the two types of heating devices,
the frame has an inclined guide surface on a portion, to be located closer to an outlet in an air feed passage direction, of an inner surface thereof, the inclined guide surface being formed so that an opening area of the frame increases toward the downstream heating device,
the larger one of the two types of heating devices is a heater core using, as a heating medium, engine cooling water,
the smaller one of the two types of heating devices is an electric heater, and
the downstream heating device is a condenser for heat pump cycle.