Heat exchange – Expansion and contraction relieving or absorbing means – Relieving or absorbing means supports temperature modifier...
Patent
1980-02-19
1982-02-02
Richter, Sheldon J.
Heat exchange
Expansion and contraction relieving or absorbing means
Relieving or absorbing means supports temperature modifier...
165160, 165163, 165174, F28F 922, F28D 702, F28D 704
Patent
active
043134912
ABSTRACT:
A series of tubes wound in spiral, spaced relation in pressure contact with the next inner tube or a central cylinder to form, between them, a spiral path for one liquid flowing upwardly in the space between the tubes, while another liquid flows downwardly in the tubes. The outermost tube may be enclosed by a sheath in pressure contact therewith, while several sets of tubes, separated by corresponding sheaths, may be utilized. The diameter of the tubes may be varied for the sets to compensate for the greater length of tubes at an outer position, so that an approximately equal time of travel from one end of the tubes to the opposite ends may be obtained. The spacing between the successive turns of the coils is preferably a distance corresponding to one half the diameter of the tubes.
REFERENCES:
patent: 1840940 (1932-01-01), Ecabert
patent: 2050465 (1936-08-01), Salvo et al.
patent: 3130779 (1964-04-01), Huet
patent: 3474636 (1969-10-01), Bligh
patent: 3516483 (1970-06-01), Benteler et al.
patent: 3526273 (1970-09-01), Wentworth, Jr.
patent: 4084546 (1978-04-01), Schneeberger et al.
Molitor Industries, Inc.
Richter Sheldon J.
Van Valkenburgh Horace B.
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