Internal-combustion engines – Multiple piston – common nonrestrictive combustion chamber – Four-cycle
Patent
1980-06-02
1983-03-08
Myhre, Charles J.
Internal-combustion engines
Multiple piston, common nonrestrictive combustion chamber
Four-cycle
123 51BA, 123197AC, F02B 7528
Patent
active
043757928
ABSTRACT:
An internal combustion engine adapted to be powered by a burnable gaseous fuel includes one cylinder, first and second pistons reciprocally movable in the cylinder substantially in opposite directions, inlet and outlet valves for controlling the flow of the gaseous fuel into the cylinder, and the exhaust of the burnt fuel therefrom, respectively, and a linkage device connected to the pistons for converting the reciprocating movement thereof into a rotary movement. The linkage device includes change-of-rate-of-displacement devices for increasing the rate of velocity in the maximum acceleration range, and for reducing the rate of displacement in the maximum velocity range of one piston with respect to the other piston, first and second piston rods pivotably connected to the first and second pistons, respectively, first and second crankshafts pivotably connected to the first and second piston rods, rotatable about first and second axes disposed substantially parallel to, and displaced by a predetermined angle from one another, respectively, and a gear train coupling the first and second crankshafts to one another. The gear train includes first and second fixedly mounted gearwheels, first and second concentrically mounted gear wheels, and a position-shiftable coupling mechanism for coupling the first gear wheels and the second gear wheels to one another, respectively, and an engaging device for meshing the eccentrically mounted gear wheels with one another.
REFERENCES:
patent: 1191827 (1916-07-01), Reese
patent: 2311311 (1943-02-01), Lacy
patent: 2840060 (1958-06-01), Johansson
patent: 2896596 (1959-07-01), Abraham
patent: 3301244 (1967-01-01), Renshaw
Dolinar Andrew M.
Myhre Charles J.
Teltscher Erwin S.
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