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. 01, 2017
Filed:
Dec. 21, 2012
Applicant:
Ihc Engineering Business Limited, Sliedrecht, NL;
Inventor:
Jonathan Ralph Manchester, Rowlands Gill, GB;
Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E02F 5/10 (2006.01); E02F 3/92 (2006.01); F04B 23/14 (2006.01); F04D 13/12 (2006.01); F04F 5/54 (2006.01); E02F 3/90 (2006.01); E02F 9/22 (2006.01); F04F 5/12 (2006.01); F04F 5/48 (2006.01);
U.S. Cl.
CPC ...
E02F 5/107 (2013.01); E02F 3/90 (2013.01); E02F 3/9206 (2013.01); E02F 9/226 (2013.01); F04B 23/14 (2013.01); F04D 13/12 (2013.01); F04F 5/12 (2013.01); F04F 5/48 (2013.01); F04F 5/54 (2013.01);
Abstract
A pump apparatus comprises a primary pump having a relatively low pressure fluid input and a relatively high pressure fluid output and means, associated with said primary pump fluid input, operable where the ambient pressure is insufficient substantially to prevent cavitation in the primary pump, to locally increase the pressure at said primary pump fluid input.