Cylinder liner preload system

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United States of America Patent

PATENT NO 7523694
APP PUB NO 20060123616A1
SERIAL NO

11288919

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Apparatus and method for applying radial compressive stress pre-loading to a cylinder liner. A cylinder housing is attached to a pump, and a cylinder liner is disposed within the cylinder housing. A fluid inlet in fluid communication with the annular space between the cylinder housing and cylinder liner is disposed on the cylinder housing. The annular space is filled with pressurizing fluid through the fluid inlet, which creates radial compressive stress pre-loading on the cylinder liner.

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Patent Owner(s)

Patent OwnerAddress
NATIONAL-OILWELL L P10000 RICHMOND AVENUE SUITE 400 HOUSTON TX 77042-4200

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aday, James C McAlester, US 3 40
Drzewiecki, Lopek Edmonton , CA 8 115
Kubinski, Michael J Houston, US 2 37
Riley, Andrew Dale Eufaula, US 9 154

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