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:
Sep. 13, 2005
Filed:
Dec. 13, 2001
Applicants:
Zlatko Penzar, Frankfurt, DE;
Hans-dieter Wilhelm, Darmstadt, DE;
Inventors:
Zlatko Penzar, Frankfurt, DE;
Hans-Dieter Wilhelm, Darmstadt, DE;
Assignee:
Siemens Aktiegesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D001/12 ; F04D001/04 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to a feed pump () that is configured as a side-channel pump with a plurality of identically designed feed chambers () with outlet channels () that are disposed opposite one another, thereby eliminating the radial forces acting upon the impeller () of the feed pump (). The feed pump () according to the invention is especially wear-free and has a very high degree of efficiency.