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. 28, 2004
Filed:
Sep. 13, 2002
Applicant:
Inventors:
Swaminathan Sunder, Allentown, PA (US);
Patrick Alan Houghton, Emmaus, PA (US);
Vladimir Vasilievich Kuznetsov, Novosibirsk, RU;
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F25J 3/00 ; F25J 5/00 ; F28F 1/318 ; F28F 1/902 ;
U.S. Cl.
CPC ...
F25J 3/00 ; F25J 5/00 ; F28F 1/318 ; F28F 1/902 ;
Abstract
In a plate-fin exchanger having a plurality of fins disposed between neighboring parting sheets, at least a portion of at least one of the fins has a textured surface. The textured surface is in the form of grooves or fluting formed on or applied to the surface of the fin material used in the plate-fin exchanger.