Interrelated power delivery controls – including engine control – Transmission control – Engine controlled by transmission
Patent
1992-07-27
1994-09-06
Wright, Dirk
Interrelated power delivery controls, including engine control
Transmission control
Engine controlled by transmission
180179, F16H 5918
Patent
active
053437802
ABSTRACT:
A variable power drivetrain engine control system for a heavy duty vehicle such as a tractor/trailer combination or truck is disclosed. The engine control system provides higher output capability for the engine of the vehicle in accordance with certain detected conditions. If the vehicle speed falls a predetermined DELTA miles/hour below a LEARNED SPEED of the vehicle, the engine is enabled to operate at a higher power output capability until the vehicle resumes the LEARNED SPEED. Further, high output capability is enabled when the vehicle deceleration is in excess of a predetermined deceleration rate. Again, the high output capability is disabled once the vehicle retains the LEARNED SPEED velocity. The quantity DELTA can be variable with respect to actual vehicle speed to provide more responsive operation of the variable power drivetrain system thereby providing improved responsiveness to road conditions in accordance with relative vehicle speed.
REFERENCES:
patent: 4493303 (1985-01-01), Thompson et al.
patent: 4750598 (1988-06-01), Danno et al.
patent: 4914597 (1990-04-01), Moncelle et al.
patent: 5019986 (1991-05-01), Londt et al.
patent: 5121324 (1992-06-01), Rini et al.
patent: 5224045 (1993-06-01), Stasell
Griffen Peter J.
Londt Edward E.
McDaniel John R.
Rabe Paul R.
Stang John H.
Cummins Engine Company, Inc.
Wright Dirk
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