192 clutches and power-stop control – Vortex-flow drive and clutch – Including drive-lockup clutch
Patent
1981-08-11
1984-07-31
Krizmanich, George H.
192 clutches and power-stop control
Vortex-flow drive and clutch
Including drive-lockup clutch
192113B, F16H 4502, F16D 1372
Patent
active
044624921
ABSTRACT:
A bypass drive line for a torque converter type automatic transmission in which the bypass drive line includes a viscous coupling and automatic transmission fluid is selectively passed through the periphery of the viscous coupling to provide a flow of cooling fluid around the coupling. The fluid flowing through the coupling enters at one face of the coupling adjacent the periphery of the coupling and then flows around the periphery of the coupling through a major sector of the circular plane of the coupling and then exits at the opposite face of the coupling at a location spaced from the entry location by a minor sector of the circular plane of the coupling, thereby providing a circuitous path through the coupling which provides a flow rate of cooling fluid through the coupling that varies in proportion to the viscosity, and thereby the temperature, of the cooling fluid.
REFERENCES:
patent: 3063532 (1962-11-01), Jaeschke
patent: 3208570 (1965-09-01), Aschauer
patent: 3648814 (1972-03-01), Barron
patent: 3730315 (1973-05-01), Annis et al.
patent: 4317510 (1982-03-01), Staub
Eaton Corporation
Grace C. H.
Krizmanich George H.
Rulon P. S.
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