Refrigeration – Refrigeration producer – Evaporator – e.g. – heat exchanger
Patent
1982-02-11
1984-05-15
Capossela, Ronald C.
Refrigeration
Refrigeration producer
Evaporator, e.g., heat exchanger
62527, 165133, F25B 3902
Patent
active
044480431
ABSTRACT:
An annular capillary structure is disclosed for tubes of heat exchangers. The capillary structure comprises a series of individual, smooth, rectilinear fibers arranged parallel to the axis of a tube. The fibers are regularly positioned in annular spaces along the inner wall of the tubes. Helical springs or a layer of spring wires urges the fibers into contact with the inner wall of the tube. According to a preferred method of making the structure, a layer of spring steel wires are coiled on a mandrel and a layer of fibers is laid longitudinally thereon. The layer pass through an extruder head and are introduced into the tubular element which has just been extruded.
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