| 摘要 |
A fan clutch assembly for a vehicle includes a pump plate assembly for separating a receiving chamber from a reservoir, wherein the receiving chamber receives fluid from a shear zone. The pump plate assembly includes an orifice for permitting the passage of fluid from the receiving chamber to the reservoir. A check valve is provided at the orifice to control the flow of fluid and permit only one-way flow from the receiving chamber into the reservoir. The check valve eliminates the migration of fluid through the orifice from the reservoir into the receiving chamber.
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