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FUEL CELL SYSTEM, METHOD OF SHUTTING DOWN OR STARTING UP FUEL CELL SYSTEM, AND METHOD OF SHUTTING DOWN AND STARTING UP FUEL CELL SYSTEM
FUEL CELL SYSTEM, METHOD OF SHUTTING DOWN OR STARTING UP FUEL CELL SYSTEM, AND METHOD OF SHUTTING DOWN AND STARTING UP FUEL CELL SYSTEM
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机译:燃料电池系统,燃料电池系统的关闭或启动方法以及燃料电池系统的关闭和启动方法
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摘要
A coolant system is proposed for addressing temperature concerns during start-up and shut-down of a cell stack assembly. The coolant system comprises a coolant exhaust conduit in fluid communication with a coolant exhaust manifold and a coolant pump, the coolant exhaust conduit enabling transportation of exhausted coolant away from a coolant exhaust manifold. A coolant return conduit is provided to be in fluid communication with a coolant inlet manifold and a coolant pump, the coolant return conduit enabling transportation of the coolant to the coolant inlet manifold. The coolant system further includes a bypass conduit in fluid communication with the coolant exhaust conduit and the coolant return conduit, while a bleed valve is in fluid communication with the coolant exhaust conduit and a gaseous stream. Operation of the bleed valve enables venting of the coolant from the coolant channels, and through said bypass conduit.
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