Device for transmitting torque between two rotatable shafts

Details Device for transmitting torque between two rotatable shafts Device for transmitting torque between two rotatable shafts

1993-04-09

1994-10-25

Kwon, John T.

Planetary gear transmission systems or components

Fluid drive or control of planetary gearing

Fluid resistance inhibits relative rotation

475127, 475136, F16H 144

Patent

active

053584554

ABSTRACT:
A device for transmitting torque between two rotatable shaft members (2, 3) in a stationary housing (1) contains a number of alternate clutch discs (10, 11) engageable to counteract differential rotational speed between the two shaft members, to which they are connected, a hydraulic clutch piston (12) to engage the clutch discs and a hydraulic pump arrangement (13-22) driven by the speed differential between the two shaft members. An externally controllable pressure-reducing valve (25-27) is provided in the hydraulic connection from the clutch piston to the low pressure side of the pump arrangement, whose high pressure side is connected to the clutch piston.

REFERENCES:
patent: 2877668 (1959-03-01), Kelbel
patent: 3930423 (1976-01-01), Craig
patent: 4713984 (1987-12-01), Ohkubo
patent: 4909371 (1990-03-01), Okamoto et al.

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