F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
192/34
F16D 13/64 (2006.01) F16D 35/02 (2006.01)
Patent
CA 2010793
QUICK PUMP-OUT CLUTCH PLATE FOR A VISCOUS FLUID CLUTCH Abstract of the Disclosure A fan clutch assembly for a vehicle includes a clutch plate rotatably driven by an input shaft. The clutch plate includes a plurality of concentric, annular lands and grooves which are mated with complementary lands and grooves of a clutch body to form a shear zone. A plurality of passages are provided in the clutch plate lands and grooves for directing fluid from a reservoir to the shear zone. A plurality of radial channels are provided in the clutch plate lands and grooves to expel fluid from the shear zone to a receiving chamber of the clutch plate assembly. Each channel is aligned with and leads radially outwardly from a respective passage. Preferably, each groove includes an aligned notch provided on the circumference of the clutch plate. The notch includes a mouth on the surface of the clutch plate adjacent the lands and grooves and an exit on the surface of the clutch plate adjacent a receiving chamber. An angled wall provided with each notch fluid from a channel to the receiving chamber of the clutch plate assembly.
General Motors Corporation
Gowling Lafleur Henderson Llp
Kennedy Lawrence C.
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