Spark-ignition internal combustion engine

Details Spark-ignition internal combustion engine Spark-ignition internal combustion engine

1981-02-09

1983-12-20

Feinberg, Craig R.

Internal-combustion engines

Combustion chamber having multiple spark gaps

123661, F02P 1502

Patent

active

044210817

ABSTRACT:
A spark-ignition internal combustion engine having a combustion chamber, comprises intake and exhaust valves disposed on a cylinder head wall surface and positioned generally symmetrical with each other with respect to the center axis of the bore of an engine cylinder, at least first and second squish areas which are located respectively in first and second sections of the combustion chamber which sections are defined by dividing the combustion chamber into two by a first vertical plane containing the centers of the intake and exhaust valves, and a spark plug whose tip section is disposed on the cylinder head wall surface and positioned in said first section of the combustion chamber thereby enabling use of high compression ratio without causing engine knock.

REFERENCES:
patent: 2718221 (1955-09-01), Leach
patent: 4144860 (1979-03-01), Muranaka et al.
patent: 4202306 (1980-05-01), Nakajima et al.
patent: 4296720 (1981-10-01), Nakanishi et al.
Pontiac Motor Division, "1959 Pontiac Shop Manual", Feb. 1959, p. 6-1.

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