Interrelated power delivery controls – including engine control – Transmission control – Transmission controlled by engine
Patent
1996-11-04
1998-03-10
Wright, Dirk
Interrelated power delivery controls, including engine control
Transmission control
Transmission controlled by engine
475128, F16H 6108
Patent
active
057254540
ABSTRACT:
A shift control system for an automatic transmission to execute a clutch-to-clutch shift by applying a first frictional engagement device and releasing a second frictional engagement device and another shift by applying the first frictional engagement device to cause a rotational change in a predetermined rotary member. At a shift other than the clutch-to-clutch shift, there is detected a stroke time from the feed of an oil pressure to the first frictional engagement device to the start of the engagement. At the clutch-to-clutch shift, the timing for releasing the second frictional engagement device is controlled on the basis of the stroke time.
REFERENCES:
patent: 5050459 (1991-09-01), Ishikawa et al.
Kimura Hiromichi
Yasue Hideki
Toyota Jidosha & Kabushiki Kaisha
Wright Dirk
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