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:
Jul. 13, 1993
Filed:
Sep. 24, 1992
Applicant:
Inventors:
Horst Breuer, Neuss, DE;
Heinz Beier, Meerbusch, DE;
Assignee:
Pierburg GmbH, Neuss, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M / ; F16K / ; F16F / ;
U.S. Cl.
CPC ...
123457 ; 13750537 ; 13750542 ; 267158 ;
Abstract
A pressure control valve having a valve body 2 consisting of metal material and a spring 10 determining the control pressure of the valve and designed as a flat pressure spring with radial arms, the spring being arranged in a chamber 20 of valve body 2 which is connected to the ambient atmosphere or to the inlet of the internal combustion engine. The flat pressure spring 10 is placed under tension between a deformable bead 12 of valve body 2 and a membrane cap 11 and the tension force of the spring is adjusted by deforming the bead 12.