METHOD OF CONTROLLING OPERATIONAL VENTING OF A PLASTICS FUEL TANK AND PLASTICS FUEL TANK
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United States of America Patent
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Issued Date -
Jun 17, 2010
app pub date -
Dec 16, 2009
filing date -
Dec 16, 2008
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method of controlling operational venting of a plastics fuel tank, in which the volume of the plastics fuel tank is kept within a predetermined differential pressure range relative to ambient pressure by means of at least one operational venting valve with pressure maintaining function, at least an upper limit of the differential pressure range defining a maximum admissible overpressure being varied as a function of the ambient temperature.
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