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:
Jun. 29, 1993
Filed:
Dec. 31, 1991
Applicant:
Inventor:
Helmut Schrocker, Schwabbruck, DE;
Assignee:
Hoerbiger Ventilwerke Aktiengesellschaft, Vienna, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137340 ; 1375121 ; 417571 ;
Abstract
A valve seat plate (1) having at least three individual plates (2, 3, 4) which lie upon one another and exhibits, on the one hand, continuous channels (5) for the medium to be controlled and defines, on the other hand, cavities (16) between the channels for the coolant, includes sleeves (8) that define the channels and are sealed with respect to the cavities and extend through the thickness of the valve seat plate.