Control device for a torque converter in an automatic speed chan

192 clutches and power-stop control – Vortex-flow drive and clutch – Including drive-lockup clutch

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Details

192 8718, 192103R, 74731, 74732, 74336R, F16D 2510, F16H 4118

Patent

active

043208215

ABSTRACT:
A control device for a torque converter in an automatic speed change gear for vehicles having an input shaft connected to a driving shaft of the engine through a torque converter having a pump disc associated with the driving shaft and a turbine disc associated with the input shaft. Between the pump disc and the turbine disc there is interposed a hydraulically operated direct coupling clutch which is capable of directly coupling the pump and the turbine discs and wherein between an oil pressure cylinder of the direct coupling clutch and a high pressure oil passage connected to an oil pressure source and a low pressure oil passage connected to an oil reservoir there is disposed a centrifugal valve operatively connected with the turbine disc for placing the oil pressure cylinder in communication with the low pressure oil passage at the time of low speed rotation and with the high pressure oil passage at the time of high speed rotation.

REFERENCES:
patent: 3164232 (1965-01-01), General
patent: 3416393 (1968-12-01), Hattori
patent: 3542174 (1970-11-01), Hattori

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