Importance

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Abstract

An improved heat exchanger assembly is disclosed and has a wall composed of a heat transmissive material and a plurality of sections of spaced-apart elongated fluid conduits also composed of a heat transmissive material disposed on one side of the wall for conveying a heat transfer fluid therethrough. The assembly includes an elongated filler member, which either has a solid outer surface or is a wire mesh structure, and which extends longitudinally through the space between at least one adjacent pair of the spaced-apart elongated fluid conduits or conduit sections. The elongated filler member is also composed of a heat transmissive material and at least in part spaced from the fluid conduit or conduit sections, thus defining at least one opening providing communication into the space between the adjacent pair of fluid conduits. A heat transmissive fusion material, such as silver solder for example, substantially fills the opening or openings and contacts the filler member, the wall, and fluid conduits in order to bond them to one another and to provide a heat transmissive path therebetween. Preferably, the heat transmissive fusion material is introduced into the opening or openings in a flowable state, with the flowable fusion material flowing into the openings under the influence of capillary action. Such openings can optionally be defined and formed by way of a plurality of discontinuities spaced apart along the filler member and contacting the adjacent fluid conduit or conduit sections.

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First Claim