Glow plug with idle bar

Internal-combustion engines – Igniters – Incandescent

Patent

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Details

123145R, F23Q 710

Patent

active

040809447

ABSTRACT:
In a glow plug igniter of the type used in internal combustion engines, having a hollow cylindrical casing and a central pin-terminal, a substantially flat-spiral-coiled resistance element, flexible in a direction out of its plane, oriented perpendicularly to the pin-terminal with one end electrically connected to the casing and the other to the pin-terminal, is positioned at a nose end of the casing and spaced from a backing seal of temperature and corrosion-resistant, electrically insulating material hermetically closing the hollow casing. An idle bar of substantial width relative to the resistance element, bridges across the nose end of the casing, spaced from the resistance element. Preferably, the casing is crenellated, with opposed merlons, provided with weld projections, to which the ends of the idle bar are welded.

REFERENCES:
patent: 3297914 (1967-01-01), Saintsbury
patent: 3434012 (1969-03-01), Rademacher
patent: 3689195 (1972-09-01), Beesch et al.
patent: 3911326 (1975-10-01), Ohlsson

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