Valve device and method for injecting a gaseous fuel

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United States of America Patent

PATENT NO 7225790
APP PUB NO 20050199746A1
SERIAL NO

11107428

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A valve device and a method directly inject gaseous fuel into a combustion chamber. A rapid response in a simple and compact design is achieved by a piezoelectric, magnetostrictive, or electromagnetic actuator that acts on a transmission device that comprises at least two levers, which are connected in series to increase the lift of the actuator to actuate a valve. An associated sensor device detects the position of a valve element, such that the actuator can be controlled to reduce the free play between the actuator and the valve.

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Patent Owner(s)

Patent OwnerAddress
WESTPORT POWER INCVANCOUVER BRITISH COLUMBIA V6P 6G2

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bartunek, Bernd Monheim, DE 4 167
Touchette, Alain Vancouver, CA 6 213

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