192 clutches and power-stop control – Clutches – Axially engaging
Patent
1981-08-06
1984-12-18
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Axially engaging
192 58C, 192 84C, 192113B, 188163, 188271, 188290, F16D 3100
Patent
active
044886268
ABSTRACT:
A hydroviscous torque transmitting apparatus of the disc type is disclosed wherein films of fluid are maintained between adjacent discs of a clutch for purposes of torque transmission. Fluid is drawn from a reservoir and supplied to the discs at a positive pressure by a plurality of passageways in a rotating body portion of the clutch. The passageways are constructed and arranged to effectively use the centrifugal pumping potential of the clutch and no separate pump is required for purposes of providing sufficient fluid to the discs to maintain oil shear of hydroviscous operation. Relief flow channels communicating with the passageways are arranged to cause the fluid to open the disc pack when the closing pressure is interrupted and to direct the fluid away from the disc pack. In addition, a fluid reservoir coupling is disclosed for delivery of fluid to the passageways at ambient pressure following the independent pumping of the fluid for some other purpose such as flow through a heat exchanger.
REFERENCES:
patent: 2884107 (1959-04-01), Frankel
patent: 3168176 (1965-02-01), Straub
patent: 3776332 (1973-12-01), D'Assignies
patent: 3884335 (1975-05-01), Ashfield et al.
patent: 3912060 (1975-10-01), Handke
patent: 3946837 (1976-03-01), Houser
Bonck Rodney H.
Merek James J.
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