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.

Date of Patent:
Apr. 17, 2018

Filed:

Feb. 09, 2016
Applicant:

Hitachi, Ltd., Chiyoda-ku, Tokyo, JP;

Inventors:

Yasunori Ono, Tokyo, JP;

Akira Nishimizu, Tokyo, JP;

Naoya Miyamoto, Tokyo, JP;

Kohei Yamaguchi, Tokyo, JP;

Akira Yamagishi, Tokyo, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01F 27/10 (2006.01); H01F 21/02 (2006.01); H01F 27/12 (2006.01); H01F 27/32 (2006.01);
U.S. Cl.
CPC ...
H01F 27/12 (2013.01); H01F 27/322 (2013.01); H01F 27/323 (2013.01);
Abstract

A stationary induction electric apparatus includes an iron core having legs of core and yokes of core; windings wound around the legs of core; coolant for cooling the windings; a cylindrical insulation structure that forms a flow of the coolant around the windings; baffle members alternately provided on the inner wall side and the outer wall side of the cylindrical insulation structure; and adjustment members for constricting the flow of the coolant. The adjustment members are provided on the same side of the respective baffle members and on the respective baffle members.


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