Power train with automated clutch for use in motor vehicles

Details Power train with automated clutch for use in motor vehicles Power train with automated clutch for use in motor vehicles

1998-02-27

1999-07-27

Marmor, Charles A

Interrelated power delivery controls, including engine control

Clutch control

477 79, 477114, 477906, F16H 6112

Patent

active

059281103

ABSTRACT:
The power train of a motor vehicle has an electronic unit which controls the condition of an automated clutch between the engine and a manually shiftable transmission. The control unit has a normal or standard operating mode when the various sensors which are connected with and transmit signals to the control unit (as well as the signal transmitting connections such as buses and/or cables) are not defective, and a standby or emergency mode when one or more sensors and/or connections are (temporarily or irreversibly) defective. The control unit then prevents the clutch from permitting or causing a creeping or crawling movement of the vehicle while the engine is idling and the transmission is shifted in a gear other than neutral. The mode of operation of the control unit can be changed back to normal in response to termination of a faulty operation of one or more sensors and/or connections, for example, with a predetermined delay.

REFERENCES:
patent: 4584908 (1986-04-01), Nishikawa et al.
patent: 4955255 (1990-09-01), Yamaashi et al.
patent: 5169365 (1992-12-01), Friedmann
patent: 5374218 (1994-12-01), Reik et al.
patent: 5377796 (1995-01-01), Friedmann et al.
patent: 5409091 (1995-04-01), Reik et al.
patent: 5632706 (1997-05-01), Kremmling et al.

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