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. 19, 2005
Filed:
Dec. 08, 2000
Applicants:
Ryouichi Sanada, Obu, JP;
Michiyasu Yamamoto, Chiryu, JP;
Yoshifumi Aki, Kariya, JP;
Inventors:
Assignee:
DENSO Corporation, Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28D001/00 ;
U.S. Cl.
CPC ...
Abstract
A tube inside passage height (Tr) is set within a range of 0.35-0.8 mm. Thereby, sum of radiation performance reduction due to pressure loss inside tube and radiation performance reduction due to air flow resistance is reduced, thereby attaining high radiation performance. Especially, when the tube inside passage height (Tr) is set within a range of 0.5-0.7 mm, the radiation performance is further improved.