Planetary gear transmission systems or components – Fluid drive or control of planetary gearing – Impeller-turbine type fluid circuit in series with planetary...
Patent
1998-07-16
2000-05-23
Estremsky, Sherry L.
Planetary gear transmission systems or components
Fluid drive or control of planetary gearing
Impeller-turbine type fluid circuit in series with planetary...
475 68, 475210, F16H 3702
Patent
active
060660597
ABSTRACT:
A torque converter, a forward and reverse changeover apparatus including a planetary gear, a reverse brake and a forward clutch, and a lock-up clutch are integrally accommodated in the same torque converter case. Further, the planetary gear, the reverse brake, the forward clutch and the lock-up clutch are arranged on approximately the same plane expanded in the radial direction with respect to a transmission input shaft. Further, a forward clutch piston and a lock-up piston are arranged side by side on the transmission main shaft and a hydraulic chamber for operating the lock-up piston is provided independently from other hydraulic circuits. Thus constituted continuously variable automatic transmission provides a transmission having a short width and a good controllability.
REFERENCES:
patent: 2388849 (1945-11-01), Jandasek
patent: 3425295 (1969-02-01), Galaniuk
patent: 3838611 (1974-10-01), Koivunen
patent: 3893350 (1975-07-01), Gingras
patent: 4478323 (1984-10-01), Weissenberger
patent: 5295920 (1994-03-01), Sawasaki et al.
Patent Abstracts of Japan, vol. 10, No. 291, Oct. 3, 1986 and Japan 61 105333, May 23, 1986.
Estremsky Sherry L.
Fuji Jukogyo Kabushiki Kaisha
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