Diesel glow plug tip enlargement protection

Internal-combustion engines – Igniters – Incandescent

Patent

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Details

123179BG, 123179H, 219202, 219205, 219494, 219512, F02P 1902

Patent

active

045122954

ABSTRACT:
The tips 14 of any glow plugs 10 which are shorted are protected against enlargement by a separate protective device 28 in each series connection 26 to an individual glow plug opening in a fraction of a second in response to current through the device of a value corresponding to a short of the heating element in the tip.

REFERENCES:
patent: 2178659 (1939-11-01), White
patent: 4177785 (1979-12-01), Sundeen
patent: 4280452 (1981-07-01), Kawamura et al.
patent: 4319126 (1982-03-01), Lujic
patent: 4322604 (1982-03-01), Kawamura et al.

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