Internal combustion engine

Details Internal combustion engine Internal combustion engine

2007-07-03

2007-07-03

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Combustion chamber

Combustion chamber shape is a figure of revolution

C123S052200, C123S052400

Reexamination Certificate

active

11189755

ABSTRACT:
The invention concerns a combustion engine comprising a cylinder and a piston which is displaceably guided in the cylinder, the piston having a piston head facing a combustion chamber and being coupled to a crankshaft via a connecting rod, wherein a second piston which is displaceably guided in the cylinder is provided opposite to the piston, the second piston also having a piston head, wherein the combustion chamber is disposed between the two piston heads, and the second piston is coupled to a crankshaft via a connecting rod.

REFERENCES:
patent: 1428858 (1922-09-01), Porter
patent: 2167946 (1939-08-01), Gray
patent: 2264648 (1941-12-01), Tebaldi
patent: 2303025 (1942-11-01), Cliff
patent: 6082313 (2000-07-01), Leijonberg
patent: 6230671 (2001-05-01), Achterberg
patent: 3305852 (1984-08-01), None

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