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:
Apr. 29, 2008
Filed:
Aug. 13, 2004
Dirk Kramer, Nörten-Hardenberg, DE;
Ronald Fay, Delligsen, DE;
Bernd Kipp, Nörten-Hardenberg, DE;
A. Kayser Automotive Systems GmbH, Einbeck, DE;
Abstract
A valve () which is intended for insertion into the line connecting a fuel pump to a system of injection valves and which is designed as a pressure-maintaining valve is characterized by a pipe body () intended to have a flow passing through it, into which a sleeve () is inserted which forms a damping cylinder () in a middle region, inside which damping cylinder one end of a blocking body () is received so as to be able to slide in the direction of the axis () of the pipe body (). The opposite end of the blocking body () is characterized by a sealing body () which is formed from an elastomeric material and which cooperates with a valve seat () which is allocated a through bore () in a transverse wall () of the pipe body (). The blocking body () lies against this valve seat under resilient pretensioning and the movement of the blocking body is damped or is accompanied by the lowest possible noise development by reason of the cooperation with the damping cylinder. The valve () is particularly suited to the development of a reliable sealing function in the region of the valve seat () and therefore to the fulfillment of a pressure-maintaining function in the said line of a fuel supply system.