Spark plug

Details Spark plug Spark plug

2011-04-19

2011-04-19

Patel, Nimeshkumar D (Department: 2879)

Electric lamp and discharge devices

Spark plugs

C313S143000

Reexamination Certificate

active

07928641

ABSTRACT:
A spark plug includes a longitudinal bore formed in a housing for receiving an insulator, with the housing having a first bore for receiving a pressure measuring device and a second bore for receiving a light guide which opens into the combustion chamber.

REFERENCES:
patent: 5726351 (1998-03-01), Glaser
patent: 6094990 (2000-08-01), Lykowski et al.
patent: 6597088 (2003-07-01), Glaser et al.
patent: 7022968 (2006-04-01), Hopper et al.
patent: 002228 (1998-06-01), None
patent: 003845 (2000-08-01), None

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