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:
Oct. 16, 2018
Filed:
May. 15, 2014
Robert Bosch Gmbh, Stuttgart, DE;
Marco Lamm, Leonberg, DE;
Friedrich Boecking, Bangalore, IN;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to a high pressure pump for a fuel injection system, in particular a common rail injection system, comprising a housing part () with a bore (), in which a pump piston () is received such that it can be moved with a reciprocating movement, which pump piston () is supported via a tappet assembly () on a cam () or eccentric and delimits a pump working chamber () in the axial direction, which pump working chamber () can be filled with fuel via an upstroke valve () which is integrated into the high pressure pump. According to the invention, a feed bore () is configured in the housing part () in order to supply the upstroke valve () with fuel, which feed bore () is connected to a bore () of a further housing part (), which bore () connects a pump interior chamber () and a tappet chamber ().