Internal combustion engine

Details Internal combustion engine Internal combustion engine

1983-11-18

1985-11-19

Koczo, Michael

Power plants

Combustion products used as motive fluid

External-combustion engine type

123190BD, F02G 302

Patent

active

045533857

ABSTRACT:
An internal combustion engine has separate compression and expansion cylinders which are closed by a rotary valve structure. The rotary valve structure controls intake to the compression cylinder, transfer of compressed gas from the compression cylinder to a combustion chamber, transfer of combustion products from the combustion chamber to the expansion cylinder and exhaust of gases from the expansion cylinder. The valve structure is a one-piece rotationally symmetric unit which is synchronized with movement of piston assemblies carried in the compression cylinder and expansion cylinder, respectively. To maximize compression, the piston face is shaped to conform with rotationally symmetric sides of the valve structure. And to expand the combustion products to near ambient pressure, the expansion cylinder and cooperating piston assembly have a larger volume than the compression cylinder and cooperating compression piston assembly.

REFERENCES:
patent: 1062999 (1913-05-01), Webb

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