Fluid transmission unit and braking system

Details Fluid transmission unit and braking system Fluid transmission unit and braking system

1977-10-17

1979-04-24

Geoghegan, Edgar W.

Power plants

Pressure fluid source and motor

Coaxial impeller and turbine unit

60494, 417177, F16D 3300

Patent

active

041505425

ABSTRACT:
A fluid drive transmission in which a moving fluid is used to connect the drive and driven members together. The drive and driven members both comprise rollers having longitudinally mounted, spiral shaped vanes extending about their periphery. The rollers are mounted in end to end spaced relationship in a common housing with a greater radial spacing provided between the periphery of the driving member and the housing than between the periphery of the driven member and housing. The system further includes a combined apparatus for supplemental braking which includes a valve connected in a closed hydraulic path between the ends of the housing. The valve is effective to retard the pressurized flow of the fluid upon application of the brakes thus assisting in slowing down the speed of operation of the transmission and retarding the drive output.

REFERENCES:
patent: 280247 (1883-06-01), See
patent: 2133135 (1938-10-01), Doran
patent: 2357654 (1944-09-01), Horton
patent: 2389174 (1945-11-01), Whitworth
patent: 3209874 (1965-10-01), Foster et al.
patent: 3955365 (1976-05-01), Arao

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