Internal-combustion engines – Igniters – Sparkers
Reexamination Certificate
2006-07-11
2006-07-11
Solis, Erick (Department: 3747)
Internal-combustion engines
Igniters
Sparkers
C123S152000, C123S182100
Reexamination Certificate
active
07073471
ABSTRACT:
A spark plug adapter allows for installation into the cylinder head of an internal combustion engine of an improved high-performance spark plug of configuration considerably different from that which the cylinder head was manufactured to accept. This is accomplished without disassembly of the engine or machine work on the cylinder head, and provides for a considerably improved smoothness of operation of and power production from the engine. An alternative embodiment of the inventive spark plug adapter provides for a compression release valve to communication with the combustion chamber of the engine, considerably easing starting for the engine, and still without disassembly of the engine or machine work on the cylinder head. A third embodiment of the inventive spark plug adapter provides for improved sealing of combustion gases.
REFERENCES:
patent: 2173607 (1939-09-01), Fowler
patent: 3589348 (1971-06-01), Reichhelm
patent: 4326145 (1982-04-01), Foster et al.
patent: 4930473 (1990-06-01), Dietrich
patent: 5245963 (1993-09-01), Sabol et al.
patent: 6240888 (2001-06-01), Pilney
patent: 6382159 (2002-05-01), Shifflette
Miller Terry L.
Solis Erick
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