Interrelated power delivery controls – including engine control – Transmission control – Transmission controlled by engine
Patent
1997-03-31
1998-09-22
Wright, Dirk
Interrelated power delivery controls, including engine control
Transmission control
Transmission controlled by engine
477148, F16H 6100
Patent
active
058106936
ABSTRACT:
An automatic transmission control system for an automatic transmission including a hydraulic pressure control circuit which supplies locking and unlocking pressures selectively to a plurality of friction coupling elements to lock and unlock the selected friction coupling elements, changing a torque transmission path in a transmission gear mechanism to provide available gears, a specific one of which is achieved by locking and unlocking simultaneously specific friction coupling elements.
REFERENCES:
patent: 4989477 (1991-02-01), Hunter et al.
Hiruta Hideshi
Nagaoka Mitsuru
Nakayama Yasunari
Nishiyama Yasuma
Ferguson Jr. Gerald J.
Mazda Motor Corporation
Wright Dirk
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