192 clutches and power-stop control – Vortex-flow drive and clutch – Including drive-lockup clutch
Patent
1987-05-06
1988-11-22
Bonck, Rodney H.
192 clutches and power-stop control
Vortex-flow drive and clutch
Including drive-lockup clutch
192 331, 192103F, F16H 4502
Patent
active
047859237
ABSTRACT:
A slip control system for a lock up clutch incorporated in parallel with a fluid torque converter in a transmission, including a pump incorporated in a hub member for supporting a turbine of the torque converter from an output shaft of the transmission so as to provide a delivery proportional to the difference in rotation between the input and output sides of the torque converter, and a spool valve also incorporated in the hub member to be operated by the delivery fluid pressure for engaging the lock up clutch as the delivery pressure of the pump increases, the spool valve also being overridingly operated by a fluid pressure selectively supplied from an outside fluid pressure source to completely throttle the fluid passage when desired.
REFERENCES:
patent: 3752280 (1973-08-01), Cheek
patent: 3966031 (1976-06-01), Peterson, Jr. et al.
patent: 3966032 (1976-06-01), Koivunen
patent: 3972397 (1976-08-01), Cheek
patent: 4002228 (1977-01-01), Borman
patent: 4169526 (1979-10-01), Malloy
patent: 4181203 (1980-01-01), Malloy
patent: 4373617 (1983-02-01), Mathues
patent: 4560043 (1985-12-01), Murasugi et al.
Bonck Rodney H.
Lorence Richard M.
Toyota Jidosha & Kabushiki Kaisha
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