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. 07, 1998
Filed:
Aug. 13, 1996
Applicant:
Inventors:
Yukio Kuno, Kasuya-gun, JP;
Akira Torimi, Kasuya-gun, JP;
Kiyoshi Koga, Kasuya-gun, JP;
Toshisuke Matsumura, Osaka, JP;
Hiromasa Yokoi, Osaka, JP;
Assignees:
Ok Kizai, Inc., Osaka, JP;
Kyoritsu Air Tech Inc., Fukuoka, JP;
Primary Examiner:
Int. Cl.
CPC ...
F24F / ;
U.S. Cl.
CPC ...
454296 ; 454300 ;
Abstract
A condensation preventing vent structure has therein at least one blade including an innermost vent to define a passage for a flow of air. The innermost fin is provided with open upper and lower ends to define therein an inner air flow passage. An air flow damper is provided above or in the innermost fin to restrict the air flow in the central portion of the flow passage.