Patent ID: 6347662
Filing Date: 2002-02-19
Classification: F25J,F28D,F28F

Abstract:
Heat exchanger comprising:a plurality of metal plates made of copper, nickel, aluminium or an alloy comprising at least 80% copper, at least 80% nickel or at least 80% aluminium, which have a substantially similar contour, are parallel and are spaced apart from one another in order to form passages; exchange corrugations comprising at least 80% copper, which are placed between at least two of the plates; a closure means consisting of side bars connected to the edges of the plates in a leaktight fashion; two outer sheets which are parallel to the plates and of a contour substantially similar to those of the plates; wherein the distance between the adjacent edges of the plates, between which the corrugations made of at least 80% copper are placed, is more than 8 mm.