Air-fuel ratio control apparatus of vehicle equipped with automa

Details Air-fuel ratio control apparatus of vehicle equipped with automa Air-fuel ratio control apparatus of vehicle equipped with automa

1993-05-26

1995-08-22

Vrablik, John J.

Interrelated power delivery controls, including engine control

Transmission control

Control by sensed ambient condition, pattern indicia,...

477111, F16H 5924, F16H 5978, F16H 6116

Patent

active

054435943

ABSTRACT:
A control apparatus of an air fuel ratio in a vehicle equipped with an automatic transmission on which an engine which can set up a plurality of output characteristics by varying the air fuel ratio, and an automatic transmission which sets up the pressure adjustment level of a hydraulic pressure supplied to a frictional engagement device in accordance with the maximum output characteristic of the aforementioned engine, are mounted, providing: a gear shift stage detector which detects the gear shift stage set up by the automatic transmission; and an air fuel ratio adjuster means which allows the set up of the air fuel ratio so that the output characteristic of the engine becomes the lower output characteristic than the maximum output characteristic where the detected gear shift stage is the highest gear stage.

REFERENCES:
patent: 4098079 (1978-07-01), Ueda
patent: 4572029 (1986-02-01), Kinugasa et al.
patent: 4596164 (1986-06-01), Hasegawa et al.
patent: 4732130 (1988-03-01), Suzuki
patent: 5178041 (1993-01-01), Takada
patent: 5309791 (1994-05-01), Takada et al.
patent: 5311794 (1994-05-01), Takada et al.
patent: 5337239 (1994-08-01), Okuda

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