Internal-combustion engines – Igniters – Sparkers
Reexamination Certificate
2006-07-26
2009-12-08
Wolfe, Jr., Willis R (Department: 3747)
Internal-combustion engines
Igniters
Sparkers
C123S1690PH, C313S123000, C313S130000, C313S141000
Reexamination Certificate
active
07628130
ABSTRACT:
An ignition plug is disclosed which includes a hollow main cell having a bendable extension part and a primary combustion chamber, an insulator mounted in the main cell, to insulate a terminal rod centrally embedded in the main cell, a central electrode having a first electrical contact arranged in the primary combustion chamber, the central electrode extending downwardly from the terminal rod while being surrounded by the insulator, a second electrical contact provided at a lower inner surface of the main cell while being arranged in the primary combustion chamber, the second electrical contact corresponding to the first electrical contact, and a cross flame ignition valve coupled to the main cell by the extension part in a bent state of the extension part, the cross flame ignition valve having a main ignition hole and auxiliary ignition holes for guiding flames from the primary combustion chamber to an interior of a cylinder.
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patent: 2007/0119409 (2007-05-01), Johng et al.
patent: 2451121 (1980-11-01), None
Rabin & Berdo PC
Wolfe, Jr. Willis R
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