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:
Apr. 03, 2018
Filed:
Jan. 14, 2015
Applicant:
Fujikura Ltd., Tokyo, JP;
Inventors:
Assignee:
FUJIKURA LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D 15/00 (2006.01); F28D 15/04 (2006.01); F28D 15/02 (2006.01);
U.S. Cl.
CPC ...
F28D 15/046 (2013.01); F28D 15/0233 (2013.01);
Abstract
A heat pipe having a wick structure for efficiently returning working fluid to an evaporating portion is provided. The heat pipe comprises a containersealed at its both ends, a working fluid encapsulated in the container, and a wick structurecovering an inner face of the container. The wick structureincludes a porous wickof a sintered metal powder, and a fiber wickburied in the porous wick. A capillary pressure of the fiber wickis weaker than that of the porous wick, and a pressure loss of the fiber wickis smaller than that of the porous wick