Methods, systems, and apparatuses for passive end-turn cooling for an electric motor using gravity

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United States of America Patent

PATENT NO 12015327
APP PUB NO 20230010156A1
SERIAL NO

17305639

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Abstract

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In various embodiments, methods, systems, and vehicle apparatuses are provided. A system provides a gravity drive to distribute coolant oil flow including a nozzle for directing a flow of coolant oil over a surface of an electric motor wherein the flow of the coolant oil is caused by a gravity drive; a connector that is coupled to the nozzle that enables the nozzle to sway in response to external forces encountered by a vehicle operation and to distribute coolant oil over the exterior surface of the electric motor; and a counterweight that is coupled to the nozzle that provides a countermeasure to the external forces encountered by the vehicle operation to cause the nozzle to sway in a manner that enables the coolant oil distributed evenly across the exterior surface of the electric motor.

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Patent Owner(s)

Patent OwnerAddress
GM GLOBAL TECHNOLOGY OPERATIONS LLCP O BOX 300 MAIL CODE 482-C24-A65 DETROIT MI 48265

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Insu Troy, US 33 101
Kang, Jun-mo Ann Arbor, US 146 1238
Keum, SeungHwan Northville, US 23 9
Kim, Young J Troy, US 25 484

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