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:
Jul. 04, 2017
Filed:
Sep. 28, 2012
Applicant:
Mhwirth Gmbh, Erkelenz, DE;
Inventors:
Alfred Giessbach, Erkelenz, DE;
Norbert Jaeger, Heinsberg, DE;
Assignee:
MHWIRTH GMBH, Erkelenz, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 43/02 (2006.01); F04B 27/08 (2006.01); F04B 9/109 (2006.01); F04B 11/00 (2006.01); F04B 43/06 (2006.01);
U.S. Cl.
CPC ...
F04B 27/08 (2013.01); F04B 9/1095 (2013.01); F04B 11/005 (2013.01); F04B 43/06 (2013.01);
Abstract
A positive displacement pump includes a drive unit and a pump unit. The pump unit comprises a plurality of working chambers, a plurality of displacement elements, and at least three cylinders. The pump unit is configured to be double-acting.