Vehicle driveline control including open clutch indicator

Details Vehicle driveline control including open clutch indicator Vehicle driveline control including open clutch indicator

2002-12-03

2010-06-01

Le, David D (Department: 3655)

Interrelated power delivery controls, including engine control

Transmission control

With clutch control

C477S079000, C477S083000

Reexamination Certificate

active

07727111

ABSTRACT:
A vehicle driveline control system includes monitoring when the transmission is in gear and the clutch is left open. If that condition exists for a selected amount of time, the controller provides an indication to the driver regarding the open clutch status. In one example, the controller alters the RPM rate of the engine to provide audible feedback to the driver. For example, the controller raises the engine RPM rate from an idle rate to a higher rate to simulate what the driver hears upon vehicle launch. A variety of indicators and control strategies may be used with a system designed according to this invention.

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