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:
Jun. 19, 2007
Filed:
Jan. 12, 2005
Applicant:
Gunter Wagner, Wolfhagen, DE;
Inventor:
Gunter Wagner, Wolfhagen, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 37/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for setting the feed rate of a fuel pump unit, which sucks up fuel from a fuel tank, as a function of the feed pressure, which is built up by the fuel pump unit, in an outletof the fuel pump unit, which outlet leads to an internal combustion engine. The fuel pump unit has a first pump stage and a second pump stage, the two pump stages being connected in parallel below a defined feed pressure in the outletof the fuel pump unit and being connected in series above the defined feed pressure.