Integrated molding and inking process for forming a torch jet sp

Details Integrated molding and inking process for forming a torch jet sp Integrated molding and inking process for forming a torch jet sp

1994-02-28

1995-04-11

Bradley, P. Austin

Electric lamp or space discharge component or device manufacturi

Process

Spark plug or spark gap making

264 61, 419 10, H01T 1320

Patent

active

054052807

ABSTRACT:
A method is provided for forming a torch jet spark plug suitable for use in a torch jet-assisted spark ignition system for an internal combustion engine. The torch jet spark plug is configured to ignite a fuel mixture within a combustion prechamber formed integrally within the insulator body of the spark plug, such that a jet emanates from the prechamber and projects into the main combustion chamber of the engine, so as to increase the burning rate within the main chamber. More particularly, the method involves forming a tubular inner electrode on the internal surface of the combustion prechamber by integrating the molding process for the spark plug's insulator body with an inking process by which the inner electrode is formed.

REFERENCES:
patent: 3004197 (1961-10-01), Rodriguez et al.
patent: 3074143 (1963-01-01), Smith
patent: 4097977 (1978-07-01), Pollner
patent: 4655984 (1987-04-01), Hinton
patent: 5210458 (1993-05-01), McDougal
patent: 5245963 (1993-09-01), Sabol et al.

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