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US 7,000,820 B2Granted
Apparatus for brazing a heat exchanger
AssigneeBehr Lorraine S.A.R.L.
InventorsPascal Haffner, Johann Simon, Phillippe Raynal
Life of this patent
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Abstract
An apparatus for brazing a heat exchanger, in particular a flat-tube heat exchanger, comprising a block of flat tubes and corrugated fins. The apparatus comprises a brazing frame that accommodates a tube-fin block within itself and which has two brazing bars arranged parallel to each other which are connected by tie rods. The brazing bars have a plurality of openings that are open toward one side, e.g., notches.
Claims11
An apparatus for brazing a heat exchanger that includes a block of tubes and fins, which comprises:
- a brazing frame which accommodates the block within itself and which comprises two brazing bars arranged parallel to each other and a plurality of tie rods which connect the brazing bars together;
- wherein the brazing bars have an open profile which opens toward one longitudinal side and which comprises a plurality of openings therein;
- further comprising a compression device for compressing the tubes and fins together in a direction transverse to the block, said compression device comprising opposing compression members that include a plurality of fingers spaced to cooperate with said openings.
Dependencies are inferred from the claim text.