Ignition system for multi-valve engine

Details Ignition system for multi-valve engine Ignition system for multi-valve engine

1991-01-16

1994-05-03

Nelli, Raymond A.

Internal-combustion engines

High tension ignition system

Specific coil location

123647, E02P 1100

Patent

active

053077857

ABSTRACT:
An ignition system for a multi-valve internal combustion engine wherein the valves all reciprocate about acute angles to a plane containing the cylinder bore axis and wherein a spark plug is positioned in a generally parallel extending direction to the plane and is offset slightly toward the side of the plane containing the most valves. A spark coil is affixed to the terminal end of the spark plug and is itself offset to the other side of the plane to nest between the two poppet valves and provide a compact, low volume combustion chamber and a compact, low height engine arrangement.

REFERENCES:
patent: 4777925 (1988-10-01), LaSota
patent: 4903674 (1990-02-01), Bassett et al.
patent: 4986249 (1991-01-01), Nakamura
patent: 4989575 (1991-02-01), Kanno
patent: 5003958 (1991-04-01), Yoneyama et al.

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