US Patent 7878774 Moineau stator including a skeletal reinforcement
Patent 7878774 was granted and assigned to Smith International on February, 2011 by the United States Patent and Trademark Office.
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Patent abstract
A Moineau style stator includes a helical cavity component having reinforced helical lobes. The lobes are reinforced with a three-dimensional network of physically bonded aggregate particles. The network of bonded aggregate provides a porous skeletal-like structural reinforcement. Pore volume between the bonded aggregate particles may optionally be partially or substantially filled with an elastomer. An elastomer liner is typically deployed on an inner surface of the helical lobes to promote a rotational interference fit with a rotor.
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US Patent 07878774 Moineau stator including a skeletal reinforcement US Patent 7878774 Moineau stator including a skeletal reinforcement
Infobox
Patent Number
0787877400
Patent Number
787877400
Edits on 29 Apr, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078787740
Date of Patent
February 1, 2011
0Patent Application Number
118102020
Date Filed
June 5, 2007
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078787740
Date of Patent
February 1, 2011
0Patent Application Number
118102020
Date Filed
June 5, 2007
0Official Website
Patent Primary Examiner
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US Patent 07878774 Moineau stator including a skeletal reinforcement
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07878774
Date of patent
February 1, 2011
Patent application number
11810202
Date Filed
June 5, 2007
Patent primary examiner
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