192 clutches and power-stop control – Vortex-flow drive and clutch – Including drive-lockup clutch
Patent
1988-04-08
1990-05-15
Braun, Leslie A.
192 clutches and power-stop control
Vortex-flow drive and clutch
Including drive-lockup clutch
192 85AA, 192106F, 192109F, F16H 4502
Patent
active
049249789
ABSTRACT:
A lock-up device for a torque converter, in which a piston actuated by hydraulic force and a lock-up damper are disposed between a front cover and a turbine wheel of the torque converter, a pressing force of the piston causes both friction surfaces of a friction plate of the lock-up damper to press on a friction plate of the front cover, and plural hydraulic chambers are provided by forming a pressure surface of the piston into a multiple-stage structure. A hydraulic chamber located at the most inner peripheral side is connected to a passage of hydraulic oil. The plural hydraulic chambers are connected with each other through fine clearances. A pressure area of the piston in the most inner peripheral side hydraulic chamber is set to a size which does not permit the piston to press on the front cover side friction plate under a state where the hydraulic oil is filled only in the most inner hydraulic chamber.
REFERENCES:
patent: 2694948 (1954-11-01), McFarland
patent: 2726557 (1955-12-01), Ackerman
patent: 2792716 (1957-05-01), Christenson
patent: 3001415 (1961-09-01), Smirl
patent: 3068974 (1962-12-01), Jandosek
patent: 3213983 (1965-10-01), Smirl et al.
patent: 3273415 (1966-09-01), Frost
patent: 4033436 (1977-07-01), Hoetger et al.
patent: 4044556 (1977-08-01), Kuramochi et al.
patent: 4108289 (1978-08-01), Arai et al.
patent: 4529070 (1985-07-01), Kobayashi
patent: 4713984 (1987-12-01), Ohkubo
Braun Leslie A.
Kabushiki Kaisha Daiken Seisakusho
Lorence Richard M.
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