Measuring and testing – With fluid pressure – Motor part or auxiliary
Reexamination Certificate
2006-02-28
2006-02-28
Cygan, Michael (Department: 2855)
Measuring and testing
With fluid pressure
Motor part or auxiliary
C073S049200, C702S051000
Reexamination Certificate
active
07004014
ABSTRACT:
An apparatus, system and method of establishing a threshold for a leak detection test that is performed on a headspace of a fuel system. A fuel vapor pressure management apparatus includes a housing, a pressure operable device, and a sensor. The housing defines an interior chamber. The pressure operable device separates the interior chamber into first and second portions, and includes a poppet that moves along an axis and a seal that is adapted to cooperatively engage the poppet. A first arrangement of the pressure operable device occurs during the leak detection test when the seal is in a first deformed configuration. A sensor detects the first arrangement of the pressure operable device during the leak detection test. And a processor is coupled to the sensor and reduces sensitivity of the fuel vapor pressure management apparatus during the leak detection test.
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Perry Paul D.
Veinotte Andre
Cygan Michael
Siemens VDO Automotive Inc
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