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:
Aug. 18, 2020
Filed:
Mar. 07, 2017
Applicant:
Fluid Handling Llc., Morton Grove, IL (US);
Inventors:
Paul J. Ruzicka, Auburn, NY (US);
Christopher J. Felix, Farmington, NY (US);
Marcos D. Roimicher, Lombard, IL (US);
Assignee:
Fluid Handling LLC, Morton Grove, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/056 (2006.01); F04D 1/06 (2006.01); F04D 29/051 (2006.01); F04D 29/041 (2006.01); F04D 17/12 (2006.01); F04D 17/16 (2006.01);
U.S. Cl.
CPC ...
F04D 29/056 (2013.01); F04D 1/06 (2013.01); F04D 17/12 (2013.01); F04D 17/164 (2013.01); F04D 29/041 (2013.01); F04D 29/0413 (2013.01); F04D 29/051 (2013.01);
Abstract
A multi-stage pump featuring different stages configured to pump a fluid from a pump suction and to a pump discharge; and a center bushing configured between the different stages, having a center bushing side configured with pockets to balance axial forces between the different stages of the multistage pump. The pockets are configured as curved rib pockets, extruded circle or circular pockets, or full length rib pockets.