Torque converter with a lock-up mechanism

Details Torque converter with a lock-up mechanism Torque converter with a lock-up mechanism

1996-08-14

1998-06-23

Ta, Khoi Q.

192 clutches and power-stop control

Vortex-flow drive and clutch

Including drive-lockup clutch

19211332, F16H 4124, F16H 4130, F16H 4502

Patent

active

057691967

ABSTRACT:
A torque converter with a lock-up mechanism used in an automobile capable for reliable shifting from an unlocked state to a locked-up state even in a coasting running. An oil passage is disposed for introducing hydraulic operating fluid used for engaging the lock-up clutch with the front cover to a first oil chamber defined between the stator and the turbine. A by-pass oil passage is branched from the oil passage for communicating the first oil passage and a second oil chamber defined between the stator and the pump, so that the hydraulic operating fluid used for engaging the lock-up clutch with the front cover is introduced to the second oil chamber having a lower oil pressure when the turbine pumps the circulating hydraulic operating fluid during coasting running of the automobile.

REFERENCES:
patent: 2462652 (1949-02-01), Lysholm
patent: 2548207 (1951-04-01), Dunn
patent: 2717673 (1955-09-01), Zeidler
patent: 2815684 (1957-12-01), Roche
patent: 4953353 (1990-09-01), Lederman
patent: 5168702 (1992-12-01), Sakakibara et al.
patent: 5174423 (1992-12-01), Tsukamoto et al.
patent: 5348127 (1994-09-01), Murata et al.
patent: 5388678 (1995-02-01), Murata

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