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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9121396 B1

PDFFull Text
Date of Patent:
Sep. 01, 2015

Filed:

Apr. 20, 2010

Positive-displacement pump including a pressure absorber

Applicant:

Christophe Ougier, Le Crest, FR;

Inventor:

Christophe Ougier, Le Crest, FR;

Assignees:

Michelin Recherche et Technique S.A., Granges-Paccot, CH;

COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;

Attorney:

Cozen O'Connor

Primary Examiner:

Mary A Davis

Assistant Examiner:

Deming Wan

Int. Cl.
CPC ...
F01C 20/18 (2006.01); F04C 2/00 (2006.01); F04C 14/18 (2006.01); F04C 28/18 (2006.01); F04B 1/12 (2006.01); F04B 15/02 (2006.01); F04B 1/18 (2006.01); F04B 7/00 (2006.01);
U.S. Cl.
CPC ...
F04B 15/02 (2013.01); F04B 1/184 (2013.01); F04B 7/0023 (2013.01);
Abstract

The positive-displacement pump () includes a pump body () delimiting a rubber pressurizing chamber (), and a feeder () for feeding the chamber () with rubber. The feeder () includes a worm () able to rotate about a main axis (X) with respect to the pump body () and an absorption body () that absorbs pressure in the pressurizing chamber () and is axially secured to the worm (). The absorption body () is distinct from the worm (), and has a surface () delimiting the pressurizing chamber () and arranged axially in line with the worm ().

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Quick Actions:

Ougier, Christophe. (2015). Positive-displacement pump including a pressure absorber (U.S. Patent No. 9121396). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9121396

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