F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
F28F 3/08 (2006.01) F28D 9/00 (2006.01) F28F 9/02 (2006.01)
Patent
CA 2634318
The invention relates to a heat exchanger comprising a means and a plate stack, which plate stack is composed of a number of mutually similar heat transfer plates (1), every second heat transfer plate (1) in the stack being rotated 180o in a plane parallel with a heat transfer surface (9) in said heat transfer plate (1). A number of contact points (16a-d) are situated round a first port region (12) in such a way that at least one contact point (16b, c) adjoins two contact points (16a, c and 16b, d respectively), said contact points (16a-d) being in principle at the same radial distance from the centre of said port region (12). The invention further relates also to said means comprising a number of protrusions whereby the means fits into a pattern in said heat transfer plate (1). The invention also relates to a plate heat exchanger (3) comprising a plate stack (2) and at least one means (25) of the invention.
L'invention concerne un échangeur de chaleur composé de moyens et d'un empilement de plaques constitué de plusieurs plaques (1) de transfert de chaleur semblables, dont toutes les deuxièmes plaques (1) sont orientées à 180° dans un plan parallèle à une surface (9) de transfert de chaleur de ladite plaque (1) de transfert de chaleur. Plusieurs points de contact (16a-d) sont situés autour d'une première zone (12) comportant un orifice, de sorte qu'au moins un point de contact (16b, c) est contigu à deux points de contact respectifs (16a, c et 16b, d), lesdits points de contact (16a-d) étant situés en principe à la même distance radiale du centre de ladite zone (12). Elle concerne également lesdits moyens composés de plusieurs saillies, de façon à s'introduire dans une configuration de ladite plaque (1) de transfert de chaleur. Elle concerne, de plus, un échangeur de chaleur (3) sous forme de plaques composé d'un empilement de plaques (2) et d'au moins lesdits moyens (25).
Drakarve Kerstin
Gudmundsson Thord
Larsson Hakan
Alfa Laval Corporate Ab
Borden Ladner Gervais Llp
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