HEAT EXCHANGER AND SHEET FOR THE EXCHANGER
First Claim
Patent Images
1. A heat exchanger comprising:
- a casing inside which is housed and attached by brazing a heat-exchange cluster comprising a stack of heat-exchange sheets, each sheet comprising at least one edge for brazing to the casing; and
separation means for preventing the brazing onto the casing of at least one portion of an edge of at least one end sheet of the stack.
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Abstract
The invention relates to a heat exchanger comprising a casing (2) inside which is housed, and fastened by brazing, a heat exchange assembly (3) comprising a stack of heat exchange plates, each plate (4) having at least one edge (14) for brazing to the casing (2). The heat exchanger is characterized by the fact that it includes means, called unfastening means (20, 21, 22, 23), designed to prevent the casing from being brazed to at least a portion of the edge (14) of at least one end plate (4E) of the stack (3). By virtue of the invention, the heat exchanger is more flexible and absorbs thermal stresses better.
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Citations
12 Claims
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1. A heat exchanger comprising:
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a casing inside which is housed and attached by brazing a heat-exchange cluster comprising a stack of heat-exchange sheets, each sheet comprising at least one edge for brazing to the casing; and separation means for preventing the brazing onto the casing of at least one portion of an edge of at least one end sheet of the stack. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification