Heat exchanger and use thereof

Details Heat exchanger and use thereof Heat exchanger and use thereof

F - Mech Eng,Light,Heat,Weapons

28

F

F28F 3/02 (2006.01) F28D 9/00 (2006.01)

Patent

CA 2539348

A heat exchanger comprises a plurality of plates (7, 9, 11, 13) each having first (15, 19) and second (17, 21) heat transfer surfaces on reverse sides. The plates are arranged in a stack with spacings between mutually facing heat transfer surfaces of adjacent plates. Alternate spacings in the stack providing respectively, a first fluid path (51, 52) for a first fluid and a second fluid path (57, 59) for a second fluid. The plates are arranged in a plurality of groups, each comprising at least two plates. Pin means are provided in the form of a plurality of groups of pins (23). The pins of each pin group are arranged to bridge plates of a respective plate group.

La présente invention concerne un échangeur thermique comportant une pluralité de plaques (7, 9, 11, 13) possédant chacune de premières (15, 19) et de secondes (17, 21) surfaces de transfert thermique sur des côtés opposés. Les plaques sont disposées en pile avec des espacements entre des surfaces de transfert thermique mutuellement opposées de plaques adjacentes. Des espaces alternés dans la pile constituent respectivement, un premier chemin fluidique (51, 52) pour un premier fluide et un second chemin fluidique (57, 59) pour un second fluide. Les plaques sont agencées en une pluralité de groupes comportant chacun au moins deux plaques. Des moyens de type broche mis en oeuvre se présentent sous la forme d'une pluralité de groupes de broches (23). Les broches de chaque groupe de broches sont agencées de manière à raccorder les plaques d'un groupe de plaques respectif.

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