High-voltage resistance wire

Details High-voltage resistance wire High-voltage resistance wire

1987-01-05

1988-05-31

Albritton, C. L.

Electrical resistors

Flexible or folding

Cable type

H01C 306

Patent

active

047484357

ABSTRACT:
A high-voltage resistance wire for use in an engine ignition device has a resistive conductor, an insulating layer covering the resistive conductor, and a protctive sheath layer surrounding the insulating layer. The protective sheath layer is loosely fitted to the insulating layer so as to provide a gap of 0.1 mm or greater therebetween. The gap results in a small electrostatic capacitance between the innermost resistive conductor and the outermost protective which improves the ignitability of the resistance wire. Additionally, the protective sheath layer is formed by impregnating or coating silicone resin or fluororesin into or onto a tubular fiber braided body of glass or polyaramide fiber. The protective sheath has an improved flexibility and tearing strength from an end terminal.

REFERENCES:
patent: 2111229 (1938-03-01), Thompson
patent: 3718840 (1973-02-01), Tanaka et al.
patent: 3963854 (1976-06-01), Fowler
patent: 4363019 (1982-12-01), Miyamoto et al.

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