The invention relates to an on-board leak detection system comprising a fuel tank (301, 401), a charge tube (302, 402), a drain line (303, 403) for recirculating fuel vapors from the tank to the charge tube, the system having a combination of pressure and temperature sensors mounted in a vapor dome of the fuel tank, and a pressure sensor located in the recirculation line above the highest possible liquid level that may occur in the recirculation line. The invention also relates to a method for detecting said leakage.
本发明涉及一种车载的泄漏检测系统,其包括燃料储箱(301、401)、充装管(302、402)、用于使得燃料蒸气从储箱再流通到充装管的排放管线(303、403),所述系统具有安装在燃料储箱的蒸气穹顶中的压强与温度传感器的组合,和位于再流通管线中、高于可能出现在再流通管线中的最高可能液体液位处的压强传感器。本发明还涉及用于检测所述泄漏的方法。
Leak detection system
泄漏检测系统
2022-05-13
Patent
Elektronische Ressource
Chinesisch
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
GAS LEAK DETECTION SYSTEM AND GAS LEAK DETECTION METHOD
Europäisches Patentamt | 2018
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