System and method for closing a tank valve

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United States of America Patent

PATENT NO 9422900
APP PUB NO 20130255636A1
SERIAL NO

13841935

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Abstract

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A method for closing a storage tank valve in response to leaks in a fuel line or fuel rail and emptying the tank of a vehicle when no leaks are detected is described. The method includes comparing a tank pressure to a fuel line or fuel rail pressure in order to detect leaks therein and further includes using a dedicated tank pressure sensor to measure the gaseous pressure of the storage tank, and thereby the amount of fuel remaining. In response to leaks in the fuel system, a controller may close an electronic solenoid valve, which reinforces a mechanical excess flow valve, to block the flow of fuel and prevent fuel loss from the gaseous storage tank.

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Patent Owner(s)

Patent OwnerAddress
FORD GLOBAL TECHNOLOGIES LLCONE AMERICAN ROAD FLOOR 4 DEARBORN MI 48126

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pursifull, Ross Dykstra Dearborn, US 510 6835

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