Patent · US Expired

Method and apparatus for transmitting torque by using a clutch of an automatic planetary transmission as a start clutch in a motor vehicle

US5836849A · kind A · utility

231Cited by

11References

14Claims

0Family size

Assignee

Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

Detlef Mathiak · Munich, DE
Rahim Pour · Garching bei München, DE

Key dates

Filing date	Dec 16, 1996
Grant date	Nov 17, 1998
Priority date	—
Expiry date	Dec 16, 2016

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/84
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A method and an apparatus for transmitting torque in a motor vehicle having an automatically-shifted transmission, which uses a friction clutch rather than a known hydrodynamic converter to transmit torque. An electronic control system controls the friction clutch automatically.

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