US Patent No. 9,832,911

AIR HANDLING UNIT AND METHOD OF OPERATING THE SAME


Patent No. 9,832,911
Issue Date November 28, 2017
Title Air Handling Unit And Method Of Operating The Same
Inventorship Patrick Cotton, Leeds (GB)
David Wilks, Leeds (GB)
Michael Parker, Consett (GB)
Steven Charlton, Consett (GB)
Assignee Airedale International Air Conditioning Ltd., West Yorkshire (GB)

Claim of US Patent No. 9,832,911

1. An air handling unit comprising:
an enclosure defining a rectangular prism;
a return air inlet arranged in a first quadrant of the enclosure;
a supply air outlet arranged in a second quadrant of the enclosure opposite the first quadrant;
an ambient cooling air inlet arranged in a third quadrant of the enclosure;
an ambient cooling air outlet arranged in a fourth quadrant of the enclosure opposite the third quadrant; and
a cross-flow air to air heat exchanger generally centrally located within the enclosure, wherein the second quadrant and the
third quadrant are located in the lower half of the enclosure and the first quadrant and the fourth quadrant are located in
the upper half of the enclosure;

a make-up air section arranged between the second quadrant and the fourth quadrant;
a plurality of supply air blowers located within the second quadrant;
a plurality of exhaust air blowers located within the fourth quadrant;
a first make-up air flow path extending through the make-up air section from a first location within the fourth quadrant and
downstream of the exhaust air blowers to a second location within the second quadrant and upstream of the supply air blowers;
and

a second make-up air flow path extending through the make-up air section from the exterior of the enclosure to the second
location.