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METHOD AND DEVICE FOR CHECKING THE OPERABILITY OF

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专利内容由知识产权出版社提供

专利名称:METHOD AND DEVICE FOR CHECKING THE

OPERABILITY OF A TANK VENTING DEVICEFOR AN INTERNAL COMBUSTION ENGINE

发明人:Gerhard Eser,Wolfgang Mai,Jens Pache申请号:US12361601申请日:20090129

公开号:US20090204309A1公开日:20090813

专利附图:

摘要:The tank venting device has a fuel vapor reservoir connected to a fuel tank todeliver escaping fuel vapors to the fuel vapor reservoir, and is connected to the internal

combustion engine in such a manner that during a tank venting operation the fuel vaporscontained in the fuel vapor reservoir are delivered as regeneration gas. To check theoperability of the venting device the fuel concentration in the regeneration gas isascertained at a minimum of two different points in time during the venting operation.The fuel concentration values in the regeneration gas are compared with respectivereference values representing the regeneration gas fuel concentration in the situation inwhich no additional fuel vapors are delivered during the venting operation. Theassessment of the venting device operability is carried out by comparison of the valuesascertained for the fuel concentration in the regeneration gas with the reference values.

申请人:Gerhard Eser,Wolfgang Mai,Jens Pache

地址:Hemau DE,Kronberg DE,Kaufungen DE

国籍:DE,DE,DE

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