Multiple ratio automatic transmission and torque converter

Details Multiple ratio automatic transmission and torque converter Multiple ratio automatic transmission and torque converter

1996-06-07

1998-03-03

Pitts, Andrea L.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

3644241, 477 62, B60K 4104

Patent

active

057225192

ABSTRACT:
A control system for engaging and releasing a torque converter bypass clutch and for varying the torque capacity of the clutch by adjusting the torque converter torus chamber pressure in accordance with changing operating variables, the bypass clutch including a clutch release pressure chamber that is maintained at a calibrated pressure threshold valve whereby pressure clutch capacity control is achieved by controlling pressure differential in the converter.

REFERENCES:
patent: 4468988 (1984-09-01), Hiramatsu
patent: 4706790 (1987-11-01), Lockhart et al.
patent: 4725951 (1988-02-01), Niikura
patent: 5029087 (1991-07-01), Cowan et al.
patent: 5081886 (1992-01-01), Person et al.
patent: 5121820 (1992-06-01), Brown et al.
patent: 5123302 (1992-06-01), Brown et al.
patent: 5150297 (1992-09-01), Daubermier et al.
patent: 5157608 (1992-10-01), Sankpal et al.
patent: 5272630 (1993-12-01), Brown et al.
patent: 5303616 (1994-04-01), Palansky et al.
patent: 5305663 (1994-04-01), Leonard et al.
patent: 5315901 (1994-05-01), Barnes

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