Shift capacity control for automatic transmission

Details Shift capacity control for automatic transmission Shift capacity control for automatic transmission

1995-02-16

1997-09-09

Marmor, Charles A.

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

477148, 477158, F16H 6104

Patent

active

056650280

ABSTRACT:
A shift capacity control system for an automatic transmission is constructed to determine a state of an engine speed difference after occurrence of a shift command, determine a propriety of a shift capacity of the automatic transmission in response to the state determined, and control an engagement capacity of a friction element to be operated during a period of shifting in response to the propriety determined.

REFERENCES:
patent: 4551802 (1985-11-01), Smyth
patent: 4841815 (1989-06-01), Takahashi
patent: 4947331 (1990-08-01), Speranza
patent: 4981053 (1991-01-01), Yamaguchi
patent: 4998451 (1991-03-01), Sano
patent: 5016494 (1991-05-01), Yamaguchi
patent: 5060540 (1991-10-01), Yamaguchi
patent: 5063814 (1991-11-01), Baba et al.
patent: 5113719 (1992-05-01), Suzuki et al.
patent: 5165308 (1992-11-01), Asada et al.
patent: 5389050 (1995-02-01), Sakai et al.

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