Speed change control method and device of automatic transmission

Details Speed change control method and device of automatic transmission Speed change control method and device of automatic transmission

1986-12-02

1988-08-09

Braun, Leslie A.

Machine element or mechanism

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

Preselected indexed position

74844, B60K 4110

Patent

active

047620269

ABSTRACT:
While running of an engine used to be unstable in warming-up, the output of the engine is large and the running of the engine is maintained stably in high vehicle speed even if the engine is in the warming-up. According to the present invention, an automatic transmission is allowed to be run in the high speed stage in the high vehicle speed even during the warming-up.

REFERENCES:
patent: 2353840 (1944-07-01), McKechnie
patent: 3640156 (1972-02-01), Mori et al.
patent: 3732754 (1973-05-01), Mori
patent: 3748929 (1973-07-01), Green
patent: 3813964 (1974-06-01), Ichimora et al.
patent: 3895541 (1975-07-01), Nohira et al.
patent: 3898894 (1975-08-01), Aono et al.
patent: 4282780 (1981-08-01), Totani et al.
patent: 4291594 (1981-09-01), Baudoin
patent: 4572029 (1986-02-01), Kinugasa et al.

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