Closed center hoist valve with snubbing

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11654815
APP PUB NO 20220242295A1
SERIAL NO

17164512

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A valve for controlling a hydraulic cylinder on a work machine may include a raising position configured for placing a pump in fluid communication with a cap end of the hydraulic cylinder. The valve may also include closed center position configured for closing off fluid communication to the cap end line and the rod end line. The valve may also include a lowering position configured for placing the pump in fluid communication with the rod end of the hydraulic cylinder. The valve may also include a snubbing position configured for placing the cap end in restricted flow fluid communication with the tank and for placing the rod end in restricted flow fluid communication with the tank.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
CATERPILLAR INC100 NE ADAMS STREET PEORIA IL 61629-9510

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dicker, Dennis William Devonport, AU 1 0
Mate, Edward William Manhattan, US 12 42
O'Neill, William N Eureka, US 14 86

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