US Patent 6895855 Hydraulic motors and pumps with engineered surfaces
Patent 6895855 was granted and assigned to The Timken Company on May, 2005 by the United States Patent and Trademark Office.
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Patent abstract
Engineered surface treatments are applied to different types of hydraulic motors and pumps to improve the life of the contacting surfaces in said motors and pumps. The engineered surface treatments are selected from texture modifications and tribiological coatings and selectively applied to one or both of the contacting surfaces to reduce friction and improve fatigue life under poor lubrication operating conditions.
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Patent Inventor Names
Gary L. Doll0
Date of Patent
May 24, 2005
0Patent Application Number
102449290
Date Filed
September 16, 2002
0Patent Primary Examiner
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US Patent 6895855 Hydraulic motors and pumps with engineered surfaces
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