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:
Mar. 31, 2020
Filed:
Sep. 02, 2015
Robert Bosch Gmbh, Stuttgart, DE;
Andreas Krause, Unterriexingen, DE;
Juergen Koreck, Ludwigsburg, DE;
Siamend Flo, Schwieberdingen, DE;
Walter Maeurer, Korntal-Muenchingen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The present invention relates to a fuel pump for pumping fuel, comprising a piston () and a diaphragm seal element (), which seals on an inner annular seal seat () and an outer annular seal seat (), wherein the following equation is satisfied: (Ra−ra)/(ri+L)=ra/ri, where ri is the inner radius of the inner seal seat (), ra is the inner radius of the outer seal seat (), Ra is the outer diameter of the piston () and L is a difference between an outer radius (Ria) of the inner seal seat () and the inner radius (ri) of the inner seal seat (). The invention further relates to a method for operating a fuel pump.