Self-regulating cable assembly

Details Self-regulating cable assembly Self-regulating cable assembly

1996-05-09

1998-10-06

Hoang, Tu B.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219487, 219535, 439417, H05B 102

Patent

active

058180125

ABSTRACT:
An improved self-regulating pipe heating cable assembly that includes a self-regulating cable having a temperature-sensitive conducting layer between a pair of busses and a plug coupled to a first end of the self-regulating cable for supplying electricity thereto. The improved self-regulating pipe heating cable assembly includes an indicator coupled to the self-regulating cable at a location other than where the plug is connected. The indicator is responsive to the supply of electricity to the self-regulating cable so that proper operation of the self-regulating heating cable assembly can be determined.

REFERENCES:
patent: 2625643 (1953-01-01), Cordis
patent: 4520417 (1985-05-01), Frank
patent: 4810859 (1989-03-01), Anabtawi et al.
patent: 4822983 (1989-04-01), Bremner et al.
patent: 5002501 (1991-03-01), Tucker
patent: 5004432 (1991-04-01), Tucker
patent: 5252081 (1993-10-01), Hart
patent: 5451747 (1995-09-01), Sullivan et al.

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