Control system/method for default start gear ratio selection

Details Control system/method for default start gear ratio selection Control system/method for default start gear ratio selection

1995-04-13

1996-06-18

Wright, Dirk

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

477 78, B60K 4108

Patent

active

055272371

ABSTRACT:
A control system and method for automated mechanical transmission systems (10) of the type interpreting a first predetermined combination of parameters as a request or requirement for a direct shift to a predetermined default start ratio (GR.sub.DS) is provided. The control provides a predetermined series of actions by which the vehicle operator may manually select a new default start ratio such as, for example, by manipulation of shift selection device (1) displaceable in a first direction to select upshifts and in a second direction to select downshifts.

REFERENCES:
patent: 4648290 (1987-03-01), Dunkley et al.
patent: 4735109 (1988-04-01), Richards et al.
patent: 4754665 (1988-07-01), Vandervoort
patent: 4800360 (1989-01-01), Dunkley et al.
patent: 4817776 (1989-04-01), Tateno et al.
patent: 4930078 (1990-05-01), Dunkley et al.
patent: 4930081 (1990-05-01), Dunkley et al.
patent: 5385515 (1995-01-01), Chan et al.

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