F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
62/42
F25B 41/06 (2006.01) B23P 15/26 (2006.01) F25B 40/00 (2006.01)
Patent
CA 1106628
9D-HR-12375 ABSTRACT OF THE DISCLOSURE A suction line/capillary tube assembly which provides improved heat exchange between the cool gaseous refrigerant conveyed by the suction line and the warm liquid re- frigerant conveyed by the capillary tube in a refrigeration system. The assembly is generally characterized by the capillary tube being within and in direct thermal contact with the suction line wall along a substantial length thereof. In a first specific embodiment, the capillary tube is soldered to the inside of the suction line, as opposed to merely being loosely passed therethrough. In a second specific embodiment, an aluminum suction line is fabricated with a internal extruded channel defined between a pair of ridges extending from the interior surface of the suction line. A copper capillary tube is snugly positi- oned in the channel and preferably the ridges are deformed toward each other so as to substantially surround the capillary tube. In a method of providing a suction line- capillary tube assembly as contemplated by the second speci- fic embodiment, the operation of deforming the ridges is accomplished by forcing a closure tool through the suction line. In a third specific embodiment, the capillary tube is snugly positioned within a longitudinal bore formed within the wall of the suction line.
288784
Gelbard Robert B.
Schreck Raymond M.
Company General Electric
Eckersley Raymond A.
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