Removable tube heat exchanger with retaining assembly

F - Mech Eng,Light,Heat,Weapons – 28 – F

Patent

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Details

F28F 9/06 (2006.01) F28F 9/12 (2006.01)

Patent

CA 2652700

A header plate assembly for a heat exchanger includes a plate having a tube side and a tank side. A plurality of apertures extends through the plate. Each aperture has a first portion on the tube side of the plate, the first portion having a first cross-dimension, and a second portion adjacent the first portion and having a second cross-dimension that is smaller than the first cross-dimension, with a first shoulder being formed between the first and second portions. Each of a plurality of collars has an aperture extending therethrough, with a portion of each collar being received in the first portion of one of the apertures in the plate. A seal is positioned in each of the first portions of the apertures and between one of the collars and one of the first shoulders. A plurality of fasteners secures the collars to the plate.

La présente invention concerne un ensemble de plaque de collecteur pour un échangeur thermique comportant une plaque comprenant un côté tube et un côté réservoir. Une pluralité d'ouvertures s'étend à travers la plaque. Chaque ouverture comporte une première partie côté tube de la plaque, la première partie ayant une première section droite, et une second partie adjacente à la première partie et ayant une seconde section droite qui est inférieure à la première section droite, un premier épaulement étant formé entre les première et seconde parties. Chacun de la pluralité de collets présente une ouverture le traversant, une partie de chaque collet étant reçue dans la première partie d'une des ouvertures dans la plaque. Un joint est positionné dans chacune des premières parties des ouvertures et entre un des collets et un des premiers épaulements. Une pluralité d'attaches rend les collets solidaires de la plaque.

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