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EXHAUST VALVE AND AN ENGINE ASSEMBLY INCLUDING THE EXHAUST VALVE HAVING A PRESSURE RELIEF APPARATUS
EXHAUST VALVE AND AN ENGINE ASSEMBLY INCLUDING THE EXHAUST VALVE HAVING A PRESSURE RELIEF APPARATUS
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机译:排气阀和包括排气阀的发动机组件均设有泄压装置
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摘要
An exhaust valve includes a stem extending to a valve end. The valve end includes a pressure relief apparatus. An engine assembly includes a casing defining a cylinder bore, a combustion chamber and an exhaust passage. The combustion chamber is disposed between the exhaust passage and the cylinder bore. The engine assembly also includes a piston movable in the cylinder bore. The engine assembly further includes an exhaust valve movable between a first position blocking fluid communication through the exhaust passage and a second position allowing fluid communication through the exhaust passage. The exhaust valve includes a pressure relief apparatus configured to allow fluid communication through the exhaust valve from the cylinder bore to the exhaust passage when the exhaust valve is in the first position and a predetermined pressure threshold occurs in the cylinder bore between the exhaust valve and the piston.
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