Power train for a motor vehicle

a technology for motor vehicles and power trains, applied in the direction of electric generator control, engine starters, gearing, etc., can solve the problems of increasing weight and cost, and achieve the effects of cost saving, long operating life of interactive connections, and easy handling
US20020117860A1Inactive Publication Date: 2002-08-29LUK LAMELLEN & KUPPLUNGSBAU BETEILIGUNGS KG
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
LUK LAMELLEN & KUPPLUNGSBAU BETEILIGUNGS KG
Publication Date
2002-08-29
Estimated Expiration
Not applicable · inactive patent

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Abstract

A power train for a motor vehicle includes a combustion engine, a clutch or other torque-coupling device, a transmission, and an electro-mechanical energy converter that is operable at least as a motor and as a generator. The electro-mechanical energy converter is coupled to the output shaft of the combustion engine through a torque transfer device with at least two rpm ratios that automatically set themselves according to whether the vehicle is operating in a start-up mode or in a driving mode.
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Description

[0001] The invention relates to a motor vehicle power train including a drive source such as a combustion engine with a driving shaft, a driven unit with a driven shaft such as a transmission with a transmission input shaft, as well as at least one electro-mechanical energy converter interacting with the power train, and at least one clutch that is arranged in the torque flow path between the driving shaft and the driven shaft and serves to couple and uncouple the torque flow between the drive source and the driven unit.

[0002] Arrangements of this kind are known from the German laid-open application DE-OS 32 30 121 as hybrid drives with an electric motor and a combustion engine, or from the German patent DE-PS 41 12 215 as combustion engines with a starter-generator.

[0003] Depending on the specific layout, the electro-mechanical energy converter may be arranged either coaxially surrounding the rotational axis of the combustion engine--as known for example from the German laid-open a...

Claims

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