US 12,480,527 B2
High-power air-coooled compressor motor and low-power cooling booster fan motor powered by single inverter
Joseph K. Coldwate, Roscoe, IL (US); and Andreas C. Koenig, Rockford, IL (US)
Assigned to HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US)
Filed by Hamilton Sundstrand Corporation, Charlotte, NC (US)
Filed on Oct. 7, 2022, as Appl. No. 17/961,852.
Prior Publication US 2024/0117818 A1, Apr. 11, 2024
Int. Cl. F04D 29/58 (2006.01); B64D 13/02 (2006.01); B64D 37/00 (2006.01); F04D 17/10 (2006.01); F04D 25/06 (2006.01); F04D 25/16 (2006.01)
CPC F04D 29/588 (2013.01) [B64D 13/02 (2013.01); B64D 37/00 (2013.01); F04D 17/10 (2013.01); F04D 25/06 (2013.01); F04D 25/166 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method of pressurizing a cabin of an aircraft, comprising:
operating a first motor of a compressor of the aircraft to pressurize the cabin, wherein operation of the first motor generates heat;
operating a second motor for circulating a cooling air through a cooling chamber that provides a volume around an outside of the compressor to cool the compressor; and
powering the first motor and the second motor via an inverter.