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. 24, 2019
Filed:
Feb. 13, 2013
Robert Bosch Gmbh, Stuttgart, DE;
Tony Dumont, Caluire, FR;
Olivier Charvet, Saint Laurent de Mure, FR;
Raphael Combe, Lyons, FR;
David Lacroix, Saint-Genis Laval, FR;
Sebastien Binsse, Villeurbanne, FR;
Jean-Roch Julien, Corbas, FR;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to a pressure regulating valve for regulating pressure in a high-pressure fuel accumulator for an internal combustion engine, comprising a valve piston () accommodated axially displaceably in a bore () in a valve housing (), acting on a valve closing member () in the direction of a valve seat (), said valve piston being connected at the end thereof facing away from the valve seat () to an armature () of a magnetic assembly () for actuating the pressure regulating valve, wherein the armature () is accommodated in an armature chamber () and the valve closing member () is accommodated in a valve chamber (). According to the invention, the valve chamber () and the armature chamber () are hydraulically connected via at least one groove () and/or bore () formed in the valve housing (), valve piston () and/or in the armature (), as well as at least one choke point ().