Patent ID: 6340054
Filing Date: 2002-01-22
Classification: F01M,F28D,F28F

Abstract:
Plate heat exchanger comprising:several identical plates formed as dishes which are stacked on one another, each turned by 180Â°, with edges of said plates adjacent to one another, projecting conduits provided on the plates for formation of feeding and drainage channels for heat exchange media, said conduits being adjacent to an associated surface of a neighboring plate, wherein at least one conduit for each plate is formed by a collar which projects and conically expands away from one side surface of a base of the plate and another conduit is formed by a collar which projects and conically tapers away from an opposite side surface of the base of the plate, wherein the collars are disposed on the base of the plate so that they are aligned to one another after a 180Â° turn about a central axis of the plate, and wherein conicity of the collars is coordinated to one another so that they engage in one another at least partially.