Fuel tank pressure control valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 2, 2003
Grant Date -
Dec 12, 2002
app pub date -
May 24, 2001
filing date -
May 25, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A valve structure that comprises a housing and a valve. The housing includes a first fluid communication passage between a first port and a second port. The valve is movable with respect to the housing between a first configuration, a second configuration, and an intermediate configuration between the first and second configurations. The first configuration permits substantially unrestricted fluid flow between the first and second ports. The second configuration substantially prevents fluid flow between the first and second ports. And the intermediate configuration provides restricted fluid flow between the first and second ports. The valve includes a first valve element and a second valve element. The first valve element includes a second fluid communication passage providing the restricted fluid flow between the first and second ports. The second valve element is positionable in first and second positions with respect to the first valve element. The first position of the second valve element substantially permits the restricted fluid flow through the second fluid communication passage. And the second location of the second valve substantially prevents the restricted fluid flow through the second fluid communication passage.
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