Internal combustion engine and operating cycle therefor

Details Internal combustion engine and operating cycle therefor Internal combustion engine and operating cycle therefor

1985-05-22

1987-01-13

Myhre, Charles J.

Internal-combustion engines

Burning by highly compressed air

Oil engine air preheated

123 51R, 123 68, 123 58AM, 123190R, 123554, F02B 112

Patent

active

046355901

ABSTRACT:
An internal combustion engine includes a plurality of cylinders arranged parallel to and equally spaced from a longitudinally extending engine axis with a pair of opposed pistons mounted in each cylinder for controlled reciprocation therein. Respective rotatably mounted axial-faced cams and connected followers control the motion of the pistons through the operating cycle to permit at least one and preferably more power strokes from each cylinder during each rotation of the engine. A controllable divider valve is located between the opposed faces of the pistons to define, on the one side, a first air/fuel receiving compression chamber and, on the other side, a second relatively high-pressure ignition air receiving chamber. Before the cam-controlled compression stroke, the divider valve is closed so that the air/fuel mixture on the one side of the closed valve is compressed to a first pressure and the ignition air on the other side of the valve is compressed to a relatively higher pressure to cause the temperature of this more highly compressed air to increase to a temperature above the ignition temperature of the compressed air/fuel mixture. Ignition is caused by opening the divider valve to permit the high-pressure, high-temperature ignition air in the second chamber to enter the compressed air/fuel mixture in the first chamber and to cause burning thereof.

REFERENCES:
patent: Re30565 (1981-04-01), Kristiansen
patent: 933906 (1909-09-01), Illy
patent: 1428858 (1922-09-01), Porter
patent: 1565184 (1925-12-01), Miller
patent: 1773995 (1930-08-01), Goldsborough
patent: 3948235 (1976-04-01), Gamell
patent: 4040400 (1977-08-01), Kiener
patent: 4233815 (1980-11-01), Melchior
patent: 4359017 (1982-11-01), May
patent: 4476821 (1984-10-01), Robinson et al.

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