Motor and gearing controls for torque converter lock-up clutch

Details Motor and gearing controls for torque converter lock-up clutch Motor and gearing controls for torque converter lock-up clutch

1983-08-24

1986-03-11

Krizmanich, George H.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

192 0052, 192 357, 74877, 74878, 74732, B60K 4122, B60K 4128, F16H 4706

Patent

active

045749256

ABSTRACT:
A control system for the clutch of a torque converter to allow direct drive operation of the torque converter in more than one transmission drive train speed level. The fluid pressure normally causing coupling of the clutch is interrupted by a blocking device when a change in drive trains occurs resulting in a lower fluid pressure on one of the drive train operating clutches, and that interruption is prolonged by delaying either the imposition of the high fluid pressure on the blocking device in one embodiment or the imposition of the fluid pressure on the clutch in another embodiment.

REFERENCES:
patent: 3682043 (1972-08-01), Bailey
patent: 4270636 (1981-06-01), Sunohara et al.
patent: 4294140 (1981-10-01), Iwanaga et al.
patent: 4349088 (1982-09-01), Ito et al.
patent: 4391166 (1983-07-01), Kubo et al.
patent: 4431096 (1984-02-01), Kobayashi et al.

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