Control system and method for automatic transmission for automot

Details Control system and method for automatic transmission for automot Control system and method for automatic transmission for automot

1983-01-31

1986-03-04

Braun, Leslie A.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74865, 74866, 74867, 74877, B60K 4106

Patent

active

045733759

ABSTRACT:
In an automatic transmission for an automotive vehicle, an operating area covered by a high gear ratio is extended toward low vehicle speed side and the high gear ratio is released in response to the opening degree of the throttle and vehicle speed. The high gear ratio is released when the vehicle speed value is lower than a predetermined vehicle speed value and the opening degree of the throttle is larger than a predetermined opening degree.

REFERENCES:
patent: 3561296 (1971-02-01), Iijima
patent: 3688609 (1972-09-01), Friedline
patent: 3785224 (1974-01-01), Will
patent: 3871250 (1975-03-01), Miyauchi et al.
patent: 3903759 (1975-09-01), Hashimoto
patent: 4274306 (1981-06-01), Yokoi et al.
patent: 4395926 (1983-08-01), Kubo et al.
patent: 4406181 (1983-09-01), Kubo et al.
patent: 4417307 (1983-11-01), Kubo et al.
patent: 4462276 (1984-07-01), Takano

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