Diesel engine glow plug

Electric heating – Heating devices – Resistive element: igniter type

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Details

123145A, 219267, 219541, 219544, 361266, F23Q 722

Patent

active

045635684

ABSTRACT:
A glow plug for preheating the combustion chamber of a diesel engine. The glow plug has a ceramic heater rod with an embedded resistor. A metal holder holds the front of the heater rod. A terminal assembly at the rear of the holder provides for two electrically isolated terminals which are connected to the heater rod by flexible, insulated wires. The insulating bush which isolates the terminals is formed by inserting insulating material between a metal pipe and the terminals. This pipe is then subject to external force to create an air-tight seal.

REFERENCES:
patent: 2030937 (1936-02-01), Reichmann
patent: 4357526 (1982-11-01), Yamamoto et al.
patent: 4401065 (1983-08-01), Minegishi et al.
patent: 4426568 (1984-01-01), Kato et al.
patent: 4458637 (1984-07-01), Minegishi et al.
patent: 4499366 (1985-02-01), Yoshida et al.
patent: 4502430 (1985-03-01), Yokoi et al.

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