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Drive module

A drive module and housing technology, applied in the direction of control drive, transmission device, power device, etc., can solve the problems of not providing flexibility, expensive gear reduction parts, etc.

Inactive Publication Date: 2019-04-23
BORGWARNER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While such a drive unit assembly is suitable for its intended purpose, a gear reduction such as the epicycloidal gear reduction disclosed in this patent may be relatively expensive and may not provide flexibility in the placement of the output axis of the motor and axle assembly Spend

Method used

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Embodiment Construction

[0020] refer to Figures 1 to 3 , an exemplary drive module constructed in accordance with the teachings of the present invention is indicated generally by the reference numeral 10 . The drive module 10 may include a housing 12 , an input shaft 14 , an intermediate shaft 16 , an output shaft 18 , a first reduction drive 20 , a second reduction drive 22 , a differential 24 , and a pair of half shafts 26 .

[0021] refer to figure 1 , 4 and 5 , housing 12 may include first and second housing members 30 and 32 , respectively, and a bearing plate 34 fixedly coupled to first housing member 30 via a plurality of threaded fasteners 36 . If desired, one or more positioning elements, such as pins (not shown), may be employed to precisely position the bearing plate 34 relative to the first housing member 30 . The first and second housing members 30 and 32 can fit together in clamshell fashion and can define an interior cavity 38 within which the first and second reduction drives 20 a...

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PUM

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Abstract

A drive module for driving a pair of vehicle wheels. The drive module can be driven by an electric motor and includes two reductions between the electric motor and the vehicle wheels. At least one ofthe reductions is provided by a chain and a pair of sprockets.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Patent Application No. 62 / 573,200, filed October 17, 2017, the disclosure of which is incorporated herein by reference as if set forth in detail herein. technical field [0003] The invention relates to a drive module for use in a vehicle drive train. Background technique [0004] There is a growing need for low-cost electric axles for propulsion of motor vehicles. US Patent No. 7458433B2 discloses a drive unit assembly for a vehicle comprising an electric motor driving an epicycloidal gear reduction through a chain and sprocket assembly. While such a drive unit assembly is suitable for its intended purpose, a gear reduction such as the epicycloidal gear reduction disclosed in this patent may be relatively expensive and may not provide flexibility in the placement of the output axis of the motor and axle assembly Spend. Contents of the invention [0005] This...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H7/06H02K7/10H02K7/116
CPCF16H7/06H02K7/10H02K7/116Y02T10/72B60K17/046B60K7/0007B60L15/2054B60L15/2045B60L2220/46B60K17/342B60K2001/001B60K2007/0038F16H63/304
Inventor S·M·弗莱什曼R·J·洛夫D·L·艾克莱尔
Owner BORGWARNER INC