Internal combustion engine with opposed pistons

Details Internal combustion engine with opposed pistons Internal combustion engine with opposed pistons

1998-03-04

2000-03-21

Kamen, Noah P.

Internal-combustion engines

Multiple piston, common nonrestrictive combustion chamber

Four-cycle

123 51A, F02B 2508

Patent

active

060390115

ABSTRACT:
An internal combustion engine has an engine block has a cylinder defined therein. The cylinder has a longitudinal axis. A first piston and a second piston are disposed within the cylinder. The first piston is directly opposed to the second piston. A first crankshaft is coupled to the first piston. A second crankshaft is coupled to the second piston. The first crankshaft is coupled to the second crankshaft through a plurality of gears. A pocket extends from the cylinder. The pocket defines a dead space therein. The pocket has a first wall spaced apart from a second wall, and a third wall coupled between the first wall and the second wall. The first wall has a first opening. The second wall has a second opening. The third wall has a third opening. A first valve is located within the first opening. A second valve located within the second opening. A spark plug is located within the third opening.

REFERENCES:
patent: 1889946 (1932-12-01), Cadwell
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patent: 4876992 (1989-10-01), Sobotowski
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patent: 5213067 (1993-05-01), Kramer
patent: 5372215 (1994-12-01), Fukuda
patent: 5383427 (1995-01-01), Tuggle et al.
patent: 5595147 (1997-01-01), Feuling
patent: 5680840 (1997-10-01), Mandella

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