发明名称 |
Method of tank leak diagnosis |
摘要 |
A method of tank leak diagnosis in a tank ventilation device including a fuel tank which is connected at least indirectly through a storage and tank ventilation valve with a suction pipe of an internal combustion engine of the vehicle, with the storage having an aeration conduit with a check valve, includes performing a tank leak diagnosis by a negative pressure after turning off of the internal combustion engine; and producing the negative pressure in the fuel tank immediately before the turning off of the internal combustion engine.
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申请公布号 |
US2004186638(A1) |
申请公布日期 |
2004.09.23 |
申请号 |
US20040786383 |
申请日期 |
2004.02.25 |
申请人 |
LEDERLE KARL-BERNHARD;PFEIL MICHAEL;PERROT NICOLAS |
发明人 |
LEDERLE KARL-BERNHARD;PFEIL MICHAEL;PERROT NICOLAS |
分类号 |
B60K15/035;F02M25/08;F02M33/02;G01M3/04;G01M3/08;G01M3/32;G01M17/00;G06F19/00;(IPC1-7):G06F19/00 |
主分类号 |
B60K15/035 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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