US 12,463,506 B2
Systems and methods for cooling an electric aircraft
Shailesh Joshi, Ann Arbor, MI (US); Danny Lohan, Northville, MI (US); Feng Zhou, Ann Arbor, MI (US); Jae Seung Lee, Ann Arbor, MI (US); and Hiroshi Ukegawa, South Lyon, MI (US)
Assigned to TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC., Plano, TX (US)
Filed by Toyota Motor Engineering & Manufacturing North America, Inc., Plano, TX (US)
Filed on Nov. 7, 2023, as Appl. No. 18/503,470.
Prior Publication US 2025/0149955 A1, May 8, 2025
This patent is subject to a terminal disclaimer.
Int. Cl. H05K 7/20 (2006.01); B64C 29/00 (2006.01); B64D 33/08 (2006.01); H02K 5/18 (2006.01); H02K 9/20 (2006.01); H02K 9/22 (2006.01); H02K 11/33 (2016.01)
CPC H02K 9/225 (2021.01) [B64C 29/0008 (2013.01); B64D 33/08 (2013.01); H02K 5/18 (2013.01); H02K 9/20 (2013.01); H02K 11/33 (2016.01)] 20 Claims
OG exemplary drawing
 
1. An electric motor assembly comprising:
a motor housing having an end face;
a motor within the motor housing;
an electronics assembly disposed on the end face of the motor housing, the electronics assembly comprising:
a casing comprising a casing interior cavity, an inner surface, and an outer surface, wherein the casing defines an enclosure;
at least one electronic device within the enclosure;
one or more fins protruding from the outer surface of the casing, wherein the one or more fins comprises a fin interior cavity; and
one or more pulsating heat pipes, wherein at least a portion of the one or more pulsating heat pipes is coupled to the casing inner surface and at least a portion of the one or more pulsating heat pipes is disposed within the fin interior cavity.