Patent ID: 8459432

Claim:
A wet clutch comprising: a rotatable hub; a rotatable drum having an aperture extending therethrough; a plurality of outer clutch plates fixed for rotation with the drum; a plurality of inner clutch plates fixed for rotation with the hub and interleaved with the outer clutch plates; a piston moveable to apply a force to the inner and outer clutch plates to transfer torque between the hub and the drum; and a cover moveable relative to the drum between first and second positions, the cover selectively restricting a flow of fluid through the aperture in the drum when in the first position, wherein the piston is moveable between a retracted position corresponding to a disengaged clutch mode and an advanced position corresponding to an engaged clutch mode, the cover being fixed to the piston and positioned to restrict the flow of fluid through the drum aperture when the piston is in the retracted position.