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:
Jun. 12, 2018
Filed:
Sep. 15, 2015
T.rad Co., Ltd., Tokyo, JP;
Takuya Bungo, Tokyo, JP;
Noriyuki Ishii, Tokyo, JP;
Atsushi Okubo, Tokyo, JP;
Taiji Sakai, Tokyo, JP;
T.RAD Co., Ltd., Tokyo, JP;
Abstract
Corrugated fins that have high heat transfer performance and do not cause clogging even in a gaseous environment in which particulate matter such as dust is present have wall surfaces on which are formed alternating parallel ridges and furrows with an angle of inclination of 10-60°. Defining Wh as the height of the ridges and furrows, Wp as the period of the ridges and furrows, Pf as the period of the corrugated fins, and Tf as the thickness of the plate forming the fins, the following conditions hold.≤0.36741.8930.1584,0.088<()/<0.342, and2+where=0.004·−0.0696·0.36420.0036·0.0625−0.5752, and=0.0007·+0.1041·+0.2333.