| 摘要 |
A thermostat assembly ( 200 ) includes an actuator portion ( 106 ) having a sealed container ( 126 ) with an arm ( 108 ) protruding therefrom. A retainer plate ( 118 ) connects the thermostat assembly ( 200 ) to an engine component ( 104 ). A bypass valve plate ( 228 ) is arranged to sealably engage a bypass valve seat ( 134 ) that is formed in another component ( 102 ). The bypass valve plate ( 228 ) includes a body portion ( 402 ) having a central opening ( 408 ) and an outer periphery, an inner rim ( 406 ) surrounds the central opening ( 408 ), an outer rim ( 404 ) surrounds the outer periphery, and a plurality of openings ( 230 ) are formed in the body portion ( 402 ). The plurality of openings ( 230 ) is adjacent to an interface between the body portion ( 402 ) and the outer rim ( 404 ), such that a bypass pressure-dampening fluid passage is defined through the plurality of openings ( 230 ) in the bypass valve plate ( 228 ).
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