Gear-shift control system of automatic transmission for motor ve

Details Gear-shift control system of automatic transmission for motor ve Gear-shift control system of automatic transmission for motor ve

1995-10-05

1997-10-21

Bonck, Rodney H.

Interrelated power delivery controls, including engine control

Transmission control

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

180197, 36442603, F16H 6100, F16H 6116, F16H 5966

Patent

active

056790929

ABSTRACT:
A gear-shift control system of an automatic transmission, in which gear shift schedule is appropriately changed-over in correspondence with the change of a road surface situation. Low-friction road surface detection device detects a low-friction road surface so as to select the gear shift schedule for the low-friction road surface adopted to start the motor vehicle with second gear. After the selection, a holding device holds the gear shift schedule for the low-friction road surface until an accelerator is pressed next.

REFERENCES:
patent: 5047940 (1991-09-01), Onaka et al.
patent: 5103398 (1992-04-01), Akiyama
patent: 5262952 (1993-11-01), Tsuyama et al.
patent: 5383125 (1995-01-01), Hibi
patent: 5390116 (1995-02-01), Hayafure

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