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:
Oct. 14, 2014
Filed:
Apr. 04, 2008
Rolf Christensen, Veberöd, SE;
Fredrik Andreasson, Södra Sandby, SE;
Rolf Bermhult, Lund, SE;
Håkan Larsson, Kävlinge, SE;
Magnus Svensson, Marieholm, SE;
Rolf Christensen, Veberöd, SE;
Fredrik Andreasson, Södra Sandby, SE;
Rolf Bermhult, Lund, SE;
Håkan Larsson, Kävlinge, SE;
Magnus Svensson, Marieholm, SE;
Alfa Laval Corporate AB, Lund, SE;
Abstract
A plate heat exchanger includes a plurality of heat exchanger plates. The plates are provided beside each other and permanently joined to each other to form a plate package having first plate interspaces and second plate interspaces. Each plate has a heat transfer area and four porthole areas defined by a porthole edge. Each of the porthole areas includes an annular flat area located at one of a primary and secondary level, and a set of inner portions on the annular flat area at the other of the primary and secondary level. Each inner portion has an inner part adjoining the porthole edge and an outer segment adjoining the inner part and having an angular extension of at least 180°. The outer segment has a continuous contour and a radius R, which is allowed to vary within the range 0.8R≦R≦1.2R.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile