Control for automatic transmissions

Details Control for automatic transmissions Control for automatic transmissions

1984-07-30

1986-10-21

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

192 009, 192 0094, 192 0076, 192 358, B60K 4128, F16D 25061

Patent

active

046180427

ABSTRACT:
A vehicle having an automatic transmission including a hydraulic torque converter and a gear mechanism driven by the torque converter. The gear mechanism includes a hydraulically operated clutch for establishing a forward driving gear train. A control circuit is provided for disengaging the clutch when the engine speed is idling and the vehicle brake is actuated with the select valve of the transmission is in a running range and the engine throttle valve in a closed position so that the forward driving gear train is disconnected.

REFERENCES:
patent: 3309934 (1967-03-01), Gustafsson
patent: 4105101 (1978-08-01), Forster et al.
patent: 4363389 (1982-12-01), Zaunberger et al.
patent: 4509625 (1985-04-01), Tellert
patent: 4509628 (1985-04-01), Junginger et al.
patent: 4514811 (1985-04-01), Daubenmier et al.
A Copy of the Corrected FIG. 1 from Application File of Zaunberger et al., (Ser. No. 177,565), published 12-14-82.

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