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. 22, 1991
Filed:
Dec. 22, 1988
Applicant:
Inventor:
Kenji Okayasu, Mukai-machi, Gyoda-shi, Saitama-ken 361, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D / ;
U.S. Cl.
CPC ...
16510424 ; 16510422 ; 417208 ; 417209 ;
Abstract
A heat conducting device comprising a heat drive pump operated by using growth and contraction of steam bubbles due to heat, whereby the temperature of operating liquid condensed in a cooling portion of a heat pipe is made lower than that of the cooling portion of the heat pipe, and then the operating liquid is arranged to be returned to a heating portion of the heat pipe, as a result of which the heat pipe can be continuously operated.