Glow plug arrangement

Details Glow plug arrangement Glow plug arrangement

1978-09-13

1980-07-08

Myhre, Charles J.

Internal-combustion engines

Igniters

Incandescent

361 98, 123145R, F02M 5700

Patent

active

042112044

ABSTRACT:
To heat the glow plug for an internal combustion engine, a spiral band or ribbon is wound in an essentially co-planar spiral about a central bolt secured to the bottom of the glow plug, the outer terminal of the spiral being connected to a lead-in with highly positive temperature coefficient of resistance to provide for self-limiting current flow upon heating of the glow plug. All free spaces in the glow plug are filled with a highly heat-conductive insulating material, for example magnesium oxide.

REFERENCES:
patent: 2487924 (1949-11-01), Fiedler
patent: 3297914 (1967-01-01), Saintsbury
patent: 3407794 (1968-10-01), Nagai et al.
patent: 3434012 (1969-03-01), Rademacher

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