Interrelated power delivery controls – including engine control – Transmission control – Transmission controlled by engine
Patent
1994-01-28
1995-04-11
Wright, Dirk
Interrelated power delivery controls, including engine control
Transmission control
Transmission controlled by engine
477158, F16H 5974
Patent
active
054053030
ABSTRACT:
A control system for controlling both: an engine having a plurality of cylinders, a plurality of intake ports formed individually for the cylinders, a plurality of intake valves for opening or closing the intake ports individually for the cylinders, and a control valve for opening or closing one of the intake ports of each of the cylinders; and an automatic transmission connected to the engine. The control system comprises: a valve controller for opening the control valve, when an engine load is high, and for closing the control valve when the engine load is low: an air/fuel ratio controller for making an air/fuel ratio when the control valve is closed higher than that when the control valve is open; and a shift inhibitor for inhibiting the shift in the automatic transmission till a predetermined time period elapses after the switching of the control valve.
REFERENCES:
patent: 4194416 (1980-03-01), Sugasawa
patent: 4858496 (1989-08-01), Iwatsuki et al.
Patent Abstracts of Japan, vol. 12, No. 466 (M-772), Dec. 7, 1988, JP-A-63189641, Aug. 5, 1988.
Patent Abstracts of Japan, vol. 12, No. 73, (M-674), Mar. 8, 1988, JP-A-62215157, Sep. 21, 1987.
Patent Abstracts of Japan, vol. 7, No. 211 (M-243) [1356], Sep. 17, 1983, JP-A-58107822, Jun. 27, 1983.
Harada Jun
Takada Mitsuru
Toyota Jidosha & Kabushiki Kaisha
Wright Dirk
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