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:
Dec. 24, 2019
Filed:
Dec. 18, 2015
Applicant:
Ingersoll-rand Company, Davidson, NC (US);
Inventors:
James Lawrence Robb, China Grove, NC (US);
George C. Hansen, Onalaska, WI (US);
Tulsi Patel, Cary, NC (US);
Assignee:
Ingersoll-Rand Company, Davidson, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F 1/40 (2006.01); B23P 15/26 (2006.01); F28F 19/06 (2006.01); F28F 21/08 (2006.01); F28D 7/16 (2006.01); F28D 7/10 (2006.01);
U.S. Cl.
CPC ...
F28F 1/40 (2013.01); B23P 15/26 (2013.01); F28D 7/1669 (2013.01); F28F 19/06 (2013.01); F28F 21/084 (2013.01); F28F 21/085 (2013.01); F28D 7/10 (2013.01); F28D 7/106 (2013.01);
Abstract
An exemplary fin-tube construction includes an outer tube, an inner tube disposed within the outer tube, and a plurality of fins extending from an outer surface of the inner tube to an inner surface of the outer tube. The outer tube includes an inner portion and an outer portion. The inner portion, the inner tube, and the fins are formed at least primarily of a first material. The outer portion is formed at least primarily of a second material.