Control system for engine having dual throttles with hold during

Details Control system for engine having dual throttles with hold during Control system for engine having dual throttles with hold during

1993-10-28

1995-05-23

Wright, Dirk

Interrelated power delivery controls, including engine control

Transmission control

Engine controlled by transmission

477106, 477110, B60K 4110, F16H 6104

Patent

active

054176255

ABSTRACT:
A control system for an automobile engine equipped with an automatic transmission has an intake air controller, such as an electric throttle valve, controlling intake air introduced into the engine according to control patterns which are predetermined for various gears of the automatic transmission. The control system interrupts the control of intake air introduction according to a control pattern corresponding to a desired gear to which the automatic transmission should be shifted up to during an up-shift operation to the desired gear. During a down-shift operation, the control system causes the output torque controller to start the control of output torque according to the control pattern corresponding to a desired gear to which the automatic transmission should be shifted down to simultaneously with a drop of engine output torque.

REFERENCES:
patent: 4266447 (1981-05-01), Heess et al.
patent: 4355550 (1982-10-01), Will et al.
patent: 4403527 (1983-09-01), Mohl et al.
patent: 4800781 (1989-01-01), Yasue et al.
patent: 4823645 (1989-04-01), Gaus et al.
patent: 4933851 (1990-06-01), Ito et al.
patent: 5036728 (1991-08-01), Kawasoe et al.
patent: 5038287 (1991-08-01), Taniguchi
patent: 5101687 (1992-04-01), Iwatsuki
patent: 5230256 (1993-07-01), Oizumi et al.

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