Spark plug

Details Spark plug Spark plug

1997-09-02

1999-12-07

Patel, Nimeshkumar D.

Electric lamp and discharge devices

Spark plugs

313135, 313139, 313141, F02M 5706

Patent

active

059989122

ABSTRACT:
A spark plug including a ground electrode having an arcuate arm portion coupled with an annular upper end portion of the outer portion of a spark plug. The ground electrode has a concave portion secured to a distal end of the arcuate arm portion with the concave portion disposed over an open end portion of a central electrode within the spark plug. The concave portion has an aperture formed therethrough.

REFERENCES:
patent: 4023058 (1977-05-01), Lara et al.
patent: 4970426 (1990-11-01), Bronchart
patent: 5264754 (1993-11-01), Hanitijjo et al.
patent: 5280214 (1994-01-01), Johnson
patent: 5373214 (1994-12-01), McCready

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