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:
May. 28, 2002
Filed:
Sep. 07, 2001
Applicant:
Inventors:
Ralf Blomgren, Skanor, SE;
Mats Nilsson, Lund, SE;
Assignee:
Alfa Laval AB, Tumba, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F28F 3/08 ;
U.S. Cl.
CPC ...
F28F 3/08 ;
Abstract
Corrugated heat exchanger plates ( ) of a plate heat exchanger have outer edges of a similar design. A first set of the heat exchanger plates are brazed together in their outer edges and around at least two port holes, as well as, preferably, at all of the points upon the heat exchanger plates where the corrugations bear on each other. Another set of heat exchanger plates are brazed together in their outer edges and around at least two port holes only.