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:
May. 04, 2010
Filed:
Jul. 28, 2004
Applicants:
Johannes Deichmann, Alheim-Sterkelshausen, DE;
Bernd Jaeger, Fritzlar, DE;
Christoph Schmidt, Rotenburg, DE;
Inventors:
Johannes Deichmann, Alheim-Sterkelshausen, DE;
Bernd Jaeger, Fritzlar, DE;
Christoph Schmidt, Rotenburg, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B 35/04 (2006.01); F01D 25/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fuel pump unit comprising a housing part () arranged between an electric motor () and a fuel pump (). The housing part is provided with expansion joints for compensating thermal expansions or swelling of the material of the housing part (). The gap between the impeller () and the housing parts () of the fuel pump () can be kept constant by virture of the expansion joints, whereby the fuel pump () is essentially prevented from jamming especially when it runs dry.