Back to results
US 9,755,475 B2Granted
Electric drive device for motor vehicle with oil sump formed therein for cooling and lubrication
AssigneeBAE Systems Hägglunds Aktiebolag
InventorsPontus Karlsson, Oskar Prinsback
Life of this patent
Estimating the term…
Abstract
The present invention relates to an electric drive device for driving of a motor vehicle comprising an electric motor arranged to be media supplied, the electric motor having a jacket surface and an essentially ring shaped cross section, wherein said media supply is arranged to be effected via a connection unit arranged in connection to the jacket surface of the electric motor. The invention also relates to a motor vehicle with an electric drive device.
Claims10
An electric drive device for driving of a motor vehicle, comprising:
- an electric motor arranged to be media supplied, the electric motor having a jacket surface and an essentially ring shaped cross section, wherein media supply is arranged to be effected via a connection unit arranged in connection to the jacket surface of the electric motor;
- a housing in which the electric motor is housed, the housing having a jacket surface and an essentially ring shaped cross section, the connection unit being applied to the jacket surface of the housing, the media supply being effected via an opening penetrating through the jacket surface of the housing, a portion of the connection unit extending through the opening of the housing to be exposed outside the housing, and a surface of an inner wall of the connection unit being circumferentially aligned with an inner circumferential surface of the housing, wherein an oil sump is arranged at the bottom of the housing in a space between the electric motor and the housing under the lowermost portion of the jacket surface of the electric motor for cooling and lubrication;
- and
- a differential device with a shaft configuration arranged in the housing and in the space between the electric motor and the housing, wherein the space in which the differential device is arranged is below the electric motor.
1 more element
Dependencies are inferred from the claim text.