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. 06, 1999
Filed:
Nov. 12, 1997
Applicant:
Inventors:
Gerhard Scharnowski, Gehrden, DE;
Huu-Tri Nguyen, Lehrte, DE;
Ralf Kook, Hannover, DE;
Reinhard Mauentobben, Hannover, DE;
Assignee:
Mannesmann Aktiengesellschaft, Dusseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
25112915 ; 25112907 ;
Abstract
An electropneumatic valve including a valve body and a proportional magnet connected thereto and having a unitary tappet having an integral valve disk disposed at one end and an armature of the proportional magnet disposed at an end longitudinally opposite thereto. The tappet and valve disk being formed of a nonmagnetic material and the valve body and proportional magnet are contactingly connected by complementary interlocking features.