F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
192/11
F16D 25/063 (2006.01) F16D 48/02 (2006.01)
Patent
CA 1068625
FLUID OPERATED CLUTCH ABSTRACT OF THE DISCLOSURE A fluid operated clutch assemblage having axially aligned rotary input and output members, at least one axially movable disc carried by one member and at least one axially movable plate carried by the other member and an axially movable, hydraulically operated piston for causing engagement of the disc and the plate to couple the input and output members. The clutch includes a valve concentric with the input member and axially movable thereon and rotatable therewith. The valve is provided with a first pressure responsive surface and a second pressure responsive surface in bucking relation to the first pressure re- sponsive surface. A spring biases the valve oppositely of the second pressure responsive surface and there is provided an annular, axially expandable chamber including the second pressure responsive surface rotatable with the input member. A conduit is provided for directing hydraulic fluid to the expandable chamber and a fluid conduit is utilized for directing hydraulic fluid through the input member to the piston. The valve includes a throttling port in the conduit and the first pressure responsive surface is in fluid communication with the conduit between the piston and the throttling port. As a consequence, the degree of coupling is dependent upon the rotational input rate and the amount of fluid in the expandable chamber with the valve serving as an amplifier in the system. - 1 -
286698
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