Control system for an automatic transmission having shift points

Details Control system for an automatic transmission having shift points Control system for an automatic transmission having shift points

1996-12-03

1998-12-08

Bonck, Rodney H.

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

74336R, 701 55, 701 56, B60K 4104

Patent

active

058461612

ABSTRACT:
A control system and method is provided for changing the shiftpoints of a transmission for part throttle shifting. A input section delivers a actual gear signal, a engine speed signal and a torque converter output speed signal A controller receives the input signals and varies the transmission shiftpoints relative to the received signals. The controller also delivers signals to the transmission to upshift, downshift or that no shift is necessary.

REFERENCES:
patent: 2913931 (1959-11-01), Hilpert
patent: 4414863 (1983-11-01), Heino
patent: 4698763 (1987-10-01), Smyth
patent: 4947331 (1990-08-01), Speranza
patent: 5274553 (1993-12-01), Boardman
patent: 5341703 (1994-08-01), Palansky et al.
patent: 5406861 (1995-04-01), Steeby

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