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NATURAL VACUUM LEAK DETECTION DEVICE USING DIAPHRAGM-SEAL MECHANISM
NATURAL VACUUM LEAK DETECTION DEVICE USING DIAPHRAGM-SEAL MECHANISM
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机译:利用隔膜密封机构的自然真空检漏装置
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摘要
A system and method are provided for detecting a leak in an automotive fuel system. The functions of vacuum sensing, vacuum relief (high vacuum relief level) and pressure relief (high pressure relief level) are all performed by a single self-actuated diaphragm-seal valve mechanism.
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