Pilot operated valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7147006
APP PUB NO 20050087243A1
SERIAL NO

10822598

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Importance

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Abstract

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A valve assembly having a fluid switch and a main valve for controlling fluid pressure in a working volume in three control states wherein the main valve has three ports for fluid, flow of fluid through a first port and a second port being controlled by the fluid switch being provided with an electrical signal in a first state or a second state respectively, and flow of fluid through the third port being controlled by alternating the signal, preferably rapidly, between the first and second states.

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Patent Owner(s)

Patent OwnerAddress
HALDEX BRAKE PRODUCTS LTDHALDEX EUROPEAN TECHNICAL CENTRE MIRA TECHNOLOGY PARK LINDLEY WARWICKSHIRE CV13 6DE

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Potter, Laurence John Birmingham, GB 15 83
Shaw, Edward Gilbert Worcestershire, GB 9 40

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