Spark plug resistant to accidental discharges

Details Spark plug resistant to accidental discharges Spark plug resistant to accidental discharges

1994-11-10

1995-12-19

O'Shea, Sandra L.

Electric lamp and discharge devices

Spark plugs

Plural part insulating means

313143, 313144, H01T 1320

Patent

active

054771048

ABSTRACT:
A spark plug includes a cylindrical metallic shell having a shoulder portion, and a tubular insulator having a stepped portion which rests on the shoulder portion within the metallic shell. The insulator has a rear half made of aluminum oxide and a front half made of aluminum nitride, the rear half having a protrusion, while the front half having a housing, and tightly joining the protrusion within the housing. An overlapping portion of the protrusion and the housing is at least partly located in a plane which is perpendicular to a longitudinal axis of the center electrode, the plane passing through the shoulder portion of the metallic shell.

REFERENCES:
patent: 2053369 (1936-09-01), Jeffery
patent: 2217825 (1940-10-01), Twining et al.
patent: 2356053 (1944-08-01), Hastings, Jr. et al.
patent: 2458121 (1949-01-01), Waldron
patent: 2483357 (1949-09-01), Winholm
patent: 2576176 (1951-11-01), Faatz
patent: 2863080 (1958-12-01), Bychinsky et al.
patent: 2937296 (1960-05-01), Logan
patent: 3344304 (1967-09-01), Rodemacher
patent: 3745400 (1973-07-01), Meyer
patent: 4870319 (1989-09-01), Benedikt et al.
patent: 4949006 (1990-08-01), Oshima et al.
patent: 5283499 (1994-02-01), Adam et al.

Affiliated with

Also associated with

Rating

Spark plug resistant to accidental discharges does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Spark plug resistant to accidental discharges, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spark plug resistant to accidental discharges will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-993833