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. 14, 2020

Filed:

Jul. 08, 2019
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Satoshi Inano, Minoh, JP;

Hiroyuki Fukuda, Yokohama, JP;

Minoru Ishinabe, Atsugi, JP;

Yukiko Wakino, Sagamihara, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01); F28F 23/02 (2006.01);
U.S. Cl.
CPC ...
H05K 7/20272 (2013.01); F28F 23/02 (2013.01); H05K 7/20236 (2013.01);
Abstract

A liquid immersion tank includes an outer-case to have a first hole in a side-wall of the outer-case and an opening at a top of the outer-case, an inner-case to have a second hole in a side-wall of the inner-case and an opening at a top of the inner-case, the inner-case being contained in the outer-case and containing an electronic device to be cooled by a coolant, and a spring to support the inner-case to be able to move between a first position and a second position disposed above the first position, cause, when the inner-case is at the first position, the second hole to communicate with the first hole so that the coolant flow into the inner-case, and cause, when the inner-case is at the second position, the second hole to face the side-wall of the outer-case so that the coolant is prevented to flow into the inner-case.


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