Electric resistance heating devices – Heating devices – Continuous flow type fluid heater
Patent
1998-02-09
1999-08-03
Walberg, Teresa
Electric resistance heating devices
Heating devices
Continuous flow type fluid heater
219535, H05B 358
Patent
active
059335742
ABSTRACT:
A fluid conduit has a first end and a second end. An insulating cover surrounds the fluid conduit. An elongated heat trace tape is captured between the insulating cover and the fluid conduit. A source conductor extends outwardly from the insulating cover near the second end of the fluid conduit and is electrically connected to the heat trace tape. The source conductor is terminated by a fuse configured to prevent current through the heat trace tape from exceeding a pre-determined amount. A plug and power cord conveys power from a power source through the source conductor to the heat trace tape. An alarm is electrically connected to the heat trace tape and configured to energize when current through the heat trace tape is halted. A light emitting diode is electrically connected to the heat trace tape and adapted to energize when the plug is connected to the power source. A tail end of the heat trace tape extends outwardly from the insulating cover near the first end of the fluid conduit. The tail end of the heat trace tape is terminated by a waterproof end cap.
REFERENCES:
patent: 3579662 (1971-05-01), Lowry et al.
patent: 3784785 (1974-01-01), Noland
patent: 3832525 (1974-08-01), Stanton et al.
patent: 3851149 (1974-11-01), Daley
patent: 4214147 (1980-07-01), Kraver
patent: 4581521 (1986-04-01), Grise
patent: 4874925 (1989-10-01), Dickenson
patent: 5544275 (1996-08-01), Ebbing et al.
Volk David L.
Walberg Teresa
Wilson Gregory A.
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