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:
Apr. 02, 2019
Filed:
Mar. 17, 2015
Applicant:
Eaton Corporation, Cleveland, OH (US);
Inventors:
Robert Nyzen, Hiram, OH (US);
Martin A. Clements, North Royalton, OH (US);
Assignee:
EATON INTELLIGENT POWER LIMITED, Dublin, IE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 15/00 (2006.01); F04C 14/02 (2006.01); B64D 37/00 (2006.01); F04C 2/08 (2006.01); F04D 1/06 (2006.01); F02C 7/236 (2006.01);
U.S. Cl.
CPC ...
F04D 15/0005 (2013.01); B64D 37/005 (2013.01); F02C 7/236 (2013.01); F04C 2/084 (2013.01); F04C 14/02 (2013.01); F04D 1/06 (2013.01); F04C 2270/185 (2013.01); F05D 2260/76 (2013.01);
Abstract
A multi-stage centrifugal pump assembly allows for multiple fixed ratio pressure levels. The multiple pressure levels permit optimization of actuation loops without the need for pressure regulators, and can be used directly by the actuators.