Free piston internal combustion engines

Details Free piston internal combustion engines Free piston internal combustion engines

1980-12-18

1983-09-13

Feinberg, Craig R.

Internal-combustion engines

Free piston

Single chamber; one piston

123 51BD, F02B 7100

Patent

active

044035772

ABSTRACT:
A free piston internal combustion engine has at least a motor cylinder formed with intake and exhaust ports and a driving piston reciprocating in said cylinder and cooperating with the exhaust ports. Air delivery means are formed in the cylinder for supplying air originating from a compression cylinder associated with the motor cylinder as a jet directed along the driving piston, towards the head ring of the latter to prevent overheating. The cylinder may additionally be provided with a circuit for circulating a coolant.

REFERENCES:
patent: 1653373 (1927-12-01), Rice
patent: 2170020 (1939-08-01), Gerlach
patent: 2980086 (1961-04-01), Muller
patent: 3130716 (1964-04-01), Creswick
patent: 3320740 (1967-05-01), Hamkins
patent: 3347215 (1967-10-01), Pescara
patent: 3661476 (1972-05-01), Benaroya

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