Patent · US Active

Cooling device for an electric drive unit of a motor vehicle, drive unit and motor vehicle

US12233704B2 · kind B2 · utility

0Cited by

0References

15Claims

0Family size

Assignee

Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Thomas Herrmann · Neuenstadt am Kocher, DE
Thinh Nguyen-Xuan · Erding, DE
Fabian Rattei · Bierbronnen, DE
Rene TREFFLER · Augsburg, DE
Juntao Zhu · Munich, DE

Key dates

Filing date	Oct 7, 2019
Grant date	Feb 25, 2025
Priority date	—
Expiry date	Oct 8, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH02K5/203
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A cooling device for an electric drive unit of a motor vehicle includes a housing and at least one cooling structure. The housing is configured to receive the at least one component of the drive unit. The housing, at least in some regions thereof, is a cooling jacket for the at least one component and being configured to cool the at least one component. The cooling jacket having at least one cooling duct through which a cooling fluid is flowable. The at least one cooling structure is an insert inserted into the at least one cooling duct and is configured to increase a flow resistance of the cooling fluid by generating turbulences of the cooling fluid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.