Heat exchange method and apparatus

Details Heat exchange method and apparatus Heat exchange method and apparatus

1990-06-11

1991-04-02

King, Lloyd L.

Heat exchange

Non-communicating coaxial enclosures

Helical conduit means

62394, 62399, 165169, F28D 712

Patent

active

050040464

ABSTRACT:
A compact and efficient heat exchanger is defined by three coaxial tubes, the intermediate tube being spirally fluted and in intimate contact with inner and outer tubes. The resulting three walled tubular structure defines a spiral vent passage and double wall separation between inner and outer flow paths. The three walled structure may be formed into an evaporator coil for use in a water cooler.

REFERENCES:
patent: 2235244 (1941-03-01), Ames et al.
patent: 2324257 (1943-07-01), Ekert
patent: 2536404 (1951-01-01), Walker
patent: 2821844 (1958-02-01), Olson
patent: 3435627 (1965-04-01), Castillo
patent: 3474636 (1969-10-01), Bligh
patent: 3605421 (1971-09-01), Patrick
patent: 3730229 (1973-05-01), D'Onofrio
patent: 3739842 (1973-06-01), Whalen
patent: 4061184 (1977-12-01), Radcliffe
patent: 4437319 (1984-03-01), Iannelli

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