Method of winding fluid heater coils

Details Method of winding fluid heater coils Method of winding fluid heater coils

1998-06-22

2000-04-25

Cuda, I.

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

2989003, B23P 1526

Patent

active

060528982

ABSTRACT:
A method of winding a fluid carrying coil for compact fluid heater utilizing dual lengths of metallic tubing wound in a bifilar manner to establish fluid flow internal of each tubing length such that when terminated from the coil outer periphery flow in the coil portion of each tubing length is in opposition. The bifilar design provides coil termination at the coil outer periphery.

REFERENCES:
patent: 1457773 (1923-06-01), Frumveller
patent: 3353250 (1967-11-01), Kikuchi et al.
patent: 3639963 (1972-02-01), Maher
patent: 3809061 (1974-05-01), Gerstmann
patent: 4451960 (1984-06-01), Molitor
patent: 4633942 (1987-01-01), Mcmanus et al.
patent: 4785878 (1988-11-01), Honkajarvi et al.

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