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.:
Date of Patent:
Mar. 23, 2021
Filed:
Oct. 28, 2016
Applicant:
Cytiva Sweden Ab, Uppsala, SE;
Inventor:
Andreas Torbjorn Lundin, Uppsala, SE;
Assignee:
Cytiva Sweden AB, Uppsala, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04C 2/08 (2006.01); F04C 15/00 (2006.01); F04C 2/18 (2006.01);
U.S. Cl.
CPC ...
F04C 2/084 (2013.01); F04C 2/18 (2013.01); F04C 15/0019 (2013.01); F04C 2240/20 (2013.01); F05C 2225/00 (2013.01);
Abstract
Disclosed is a gear pump () comprising a contra rotating gear element pair (and) mounted within a housing (), each gear element having complementary gear teeth sets providing a pumping action in use, said teeth being formed from an annulus (and) of generally rigid construction mounted on a relatively flexible inner section (and), the gear pair being mounted such that their respective annuli are biased into resilient contact with the housing to provide a sliding seal.