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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 11459958 B1

PDFFull Text
Date of Patent:
Oct. 04, 2022

Filed:

Mar. 22, 2019

Rotodynamic pump having a body defining a body cavity with a first and second housing portion defining a portion of an impeller cavity and disposed within the body cavity wherein the body cavity extends at least in part around the second housing portion and the housing portions defining an impeller clearance

Applicant:

Pratt & Whitney Canada Corp., Longueuil, CA;

Inventors:

David Waddleton, Candiac, CA;

Benjamin Renaud, Montreal, CA;

Sebastien Bergeron, Chambly, CA;

Etienne Plamondon, Candiac, CA;

Jean-Gabriel Gauvreau, Varennes, CA;

Assignee:

PRATT & WHITNEY CANADA CORP., Longueuil, CA;

Attorney:

Norton Rose Fulbright Canada LLP

Primary Examiner:

Kenneth J Hansen

Assistant Examiner:

Benjamin Doyle

Int. Cl.
CPC ...
F02C 9/28 (2006.01); F02C 9/30 (2006.01); F04D 15/00 (2006.01); F02C 7/22 (2006.01); B64D 37/00 (2006.01);
U.S. Cl.
CPC ...
F02C 9/28 (2013.01); F02C 7/22 (2013.01); F02C 9/30 (2013.01); F04D 15/0022 (2013.01); B64D 37/00 (2013.01); F05D 2270/301 (2013.01);
Abstract

A rotodynamic pump for pumping a fluid includes an impeller, a housing surrounding the impeller, and a pressure regulating mechanism. The pressure regulating mechanism is configured to adjust the clearance between the impeller and the impeller housing to regulate pressure of the fluid downstream of the impeller. A method of regulating the delivery pressure is also disclosed.

Find Patent Forward Citations

Waddleton, David. (2022). Rotodynamic pump having a body defining a body cavity with a first and second housing portion defining a portion of an impeller cavity and disposed within the body cavity wherein the body cavity extends at least in part around the second housing portion and the housing portions defining an impeller clearance (U.S. Patent No. 11459958). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11459958

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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