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:
Feb. 13, 2018
Filed:
Jul. 11, 2014
Applicant:
Luvata Espoo Oy, Espoo, FI;
Inventor:
Yanping Lang, Guangdong, CN;
Assignee:
LUVATA ALLTOP (ZHONGSHAN) LTD., Zhongshan, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F 1/30 (2006.01); F28F 1/40 (2006.01);
U.S. Cl.
CPC ...
F28F 1/40 (2013.01); F28F 2215/04 (2013.01);
Abstract
A tube for heat transfer in which the inner surface of the tube is grooved into a pattern. The pattern includes a first fin () and a second fin () which have different shapes, wherein the first fin comprises a shaft and a head integrally formed, the shaft extending from the inner surface in a direction away from the inner surface, the head extending from the shaft in a direction away from the inner surface. In a transverse cross section of the tube, the circumferential width of the head is larger than that of the shaft.