Heat exchange – Conduit within – or conforming to – panel or wall structure – Means spanning side-by-side tube elements
Patent
1998-02-10
1999-10-12
Flanigan, Allen
Heat exchange
Conduit within, or conforming to, panel or wall structure
Means spanning side-by-side tube elements
165181, 165DIG518, 165906, F28F 132
Patent
active
059642840
ABSTRACT:
A heat exchanger for an air conditioner comprises a plurality of heat-transfer tubes arranged in parallel to each other at predetermined intervals, and heat-transfer fins formed by helically winding a plurality of fine wires around the plurality of heat-transfer tubes. Preferably, the heat-transfer tubes are divided into groups of two adjacent heat-transfer tubes (1a, 1b), (1b, 1c), (1c, 1d), . . . , and at least one fine wire fin is wound helically around the two adjacent heat-transfer tubes of each group so that the fine wire fin does not cross other portions of the fine wire fin as viewed along a direction perpendicular to a plane including the axes of the plurality of heat-transfer tubes. When fabricating the heat exchanger, at least either the outer circumferences of the heat-transfer tubes or the outer circumferences of the fine wires are coated with a metal film formed by plating, and then the heat-transfer tubes and the fine wires are interlaced to form a heat exchanging structure. Then, the heat exchanging structure is heated to the melting point of the metal film so that the metal film is melted and the heat-transfer tubes and the fine wires are bonded together by the molten metal film.
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Japanese Laid-Open Patent Publication No. SHO 61-153389, Jul. 12, 1986, Kawasaki Seitetsu KK.
Gotoh Takashi
Ikejima Kaoru
Takeshita Michimasa
Yoshida Takayuki
Yumikura Tsuneo
Flanigan Allen
Mitsubishi Denki & Kabushiki Kaisha
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