Hydro-pneumatic tensioner with fluid retention device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9470049
SERIAL NO

14159814

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A cylinder accumulator system is disclosed. The system includes a cylinder comprising a cylinder rod, a cylinder barrel coaxial to the cylinder rod, a cylinder end cap coupled to the cylinder barrel and the cylinder rod, and a cylinder piston assembly disposed within the cylinder barrel. The cylinder piston assembly further includes a dynamic sealing arrangement, which comprises one or more dynamic seals. The system further includes a first annular volume coaxial to the cylinder rod and the cylinder barrel, and a second volume disposed within the cylinder piston assembly. The system also includes a piston disposed within a bore of the second volume and between a hydraulic fluid located on a first side of the piston and a gas media located on a second side of the piston. The system also includes an external high-pressure accumulator, a low-pressure accumulator, and one or more tube manifolds coupling the external high-pressure accumulator and low-pressure accumulator to the cylinder.

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Patent Owner(s)

Patent OwnerAddress
INNOVEX INTERNATIONAL INC6401 N ELDRIDGE PARKWAY HOUSTON TX 77041

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ellis, Fife B Houston, US 25 248
Hafernik, Steven Houston, US 2 10

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