Electric resistance heating devices – Heating devices – Continuous flow type fluid heater
Patent
1992-03-26
1995-03-07
Bartis, Anthony
Electric resistance heating devices
Heating devices
Continuous flow type fluid heater
219523, 392503, F24H 110, H05B 382
Patent
active
053965744
ABSTRACT:
A tubular high efficiency, non-contaminating fluid heater includes an elongate tubular member having a coil-like configuration and a sidewall which defines an elongate tubular chamber formed from an inert material through which fluid is adapted to flow. The tubular member includes an inlet and an outlet and a plurality of elongate electrical resistance heaters sheathed with the same inert material are disposed in said tubular chamber for heating the fluid as it flows through the tubular chamber. Each of the resistance heaters has a coil-like configuration which extends through the tubular chamber and a heater end portion at each end thereof which has an arcuate generally streamlined configuration substantially parallel to the directions of fluid flow which extends through the sidewalls of the tubular member to substantially eliminate interstitial matrices in the fluid flow adjacent the ends of the elongate electrical resistance heaters which extend through the sidewalls of the tubular member and wherein a high velocity fluid turbulent fluid flow having a Reynold's number greater than 4000 is established through the tubular chamber.
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"Requirements For Ultrapure Water" by Takaai Fukumoto, Ultraclean Technology Handbook, vol. 1 published by Marcel Dekker Inc. 1993, pp. 3, 28-30 and 42-46.
Base Howard J.
Lokar Richard A.
Rezabek Dennis J.
Bartis Anthony
Process Technology Inc.
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