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:
Jan. 11, 1983
Filed:
Jul. 03, 1980
Applicant:
Inventors:
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
336 61 ; 1651 / ; 165180 ; 174 / ; 204197 ; 285173 ; 336 62 ;
Abstract
A water cooling apparatus for an electric circuit element is disclosed in which an internal waterway is connected with an external waterway by a connector with the whole body, the forward end or the inside part of the forward end thereof alone made of an alloy containing iron, nickel and/or chromium as main components. The water cooling apparatus may further comprise a net of an alloy containing iron, nickel and chromium as main components, the net being stretched in said waterway at the inside part of the forward end of the connector.