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. 17, 1979
Filed:
Apr. 18, 1977
Applicant:
Inventors:
Wilfried Heide, Altenberg, DE;
Friedrich Muller, Nuremberg, DE;
Klaus Otto, Nuremberg, DE;
Tibor Salanki, Erlangen, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F / ;
U.S. Cl.
CPC ...
165168 ; 165 / ; 165180 ; 357 82 ;
Abstract
A cooling capsule for a thyristor wherein the capsule is provided with a metallic core having at least one heat transfer surface and with a plurality of bores extending between surfaces of the core so as to form a meander-line-like flow path therethrough between an inlet opening and an outlet opening. The aforesaid surfaces between which the bores extend are provided with recesses each of which connects adjacent pairs of bores and the capsule is further provided with plate-like members, each of which covers a recess and is joined thereto by electron beam welding.