CONNECTION OF REDUCED OVERALL DIMENSIONS BETWEEN AN ALUMINUM TUBE AND A HEAT EXCHANGER
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United States of America Patent
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Jul 19, 2017
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Jul 20, 2016
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Abstract
A connection arrangement between an aluminum tube and a heat exchanger, wherein the tube has an outer diameter D and comprises an end flange abutted against a connection flange of the heat exchanger and fastened thereto by means of a fastener. The tube further comprises an elbow arranged close to the end flange, and a rectilinear segment extending from the end flange to an end cross-section of the elbow. The elbow has a bend radius R, referred to the central axis of the tube, such that 0.5D≦R≦D and the end cross-section of the elbow is arranged at a distance d from the connection flange of the heat exchanger such that d≦0.5D. The fastener consists of a tube clamp of plastic material encircling the connection flange of the heat exchanger and the end flange of the tube. The tube clamp comprises a pair of clamp halves snap-fitted to each other.
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