Flexible cylinder-head internal combustion engine with cylinder

Details Flexible cylinder-head internal combustion engine with cylinder Flexible cylinder-head internal combustion engine with cylinder

1981-10-13

1983-12-13

Burns, Wendell E.

Internal-combustion engines

Adjustable combustion chamber

Piston in head adjusted

123 48A, 123 52A, 123 51R, 123 78R, 123 78A, 123 51BB, F02B 7504, F02B 7536

Patent

active

044199694

ABSTRACT:
In an internal combustion engine, two opposed pistons of equal radius are slidably mounted in a cylinder and respectively connected to cranks of unequal throws mounted for rotation at oppositely disposed cylinder ends in a common crankcase. The pistons are adjustable in opposing linear travel to define a flexible cylinder-head, the relative piston positions of piston proximity establishing a range of compressions therebetween correspondable to the respective compression-ignitions of a plurality of available fluid fuels. The cranks are gear connected and similarly offset from the cylinder's longitudinal centerline to eliminate dead centers, produce higher combustion pressures at more effective crank angles, and coordinate the pistons' relative linear speeds in exhaust, air intake, fuel injection, compression and power production in two cycle operation of the engine. A preferred embodiment of the invention connects two opposed cylinders offset oppositely from a common cranks' centerline, and with respective cylinders firing alternately.

REFERENCES:
patent: 1224814 (1917-05-01), Van Altena
patent: 1332756 (1920-03-01), Root
patent: 1707005 (1929-03-01), Hall
patent: 1814802 (1931-07-01), Herr
patent: 1997396 (1935-04-01), Sherman
patent: 2117118 (1938-05-01), Pavlecka
patent: 2316790 (1943-04-01), Hickey
patent: 2858816 (1958-11-01), Prentice

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