Rotary piston engine

Details Rotary piston engine Rotary piston engine

1979-08-20

1981-02-17

Koczo, Jr., Michael

Internal-combustion engines

Rotary

With transfer means intermediate single compression volume...

F02B 5300

Patent

active

042508517

ABSTRACT:
An engine having a drive shaft secured to a rotary piston mounted within a casing. An intake-compression chamber between the casing and piston is supplied with fuel through an intake port. The rotary piston has an annular expansion-exhaust chamber and an exhaust port on the casing communicates with that chamber. A drive flap pivotally mounted on the piston swings into and out of the expansion-exhaust chamber between open and closed positions as the piston rotates, the flap thus forming a movable pressure barrier extending across the expansion-exhaust chamber. The piston has a plurality of turbine slots circumferentially spaced apart in a direction extending away from the direction of rotation of the piston so as to sweep successively across the combustion chamber and connect said chamber to the expansion-exhaust chamber. Also, a cam member is carried by the casing to project into the expansion-exhaust chamber, the member being positioned to control movement of the drive flap between the open and closed positions in timed relation to ignition of a combustible mixture within the combustion chamber. The engine produces power at high rotational speeds which are possible because of the absence of oscillating masses which must be accelerated and retarded as is the case in a conventional piston engine.

REFERENCES:
patent: 1899374 (1933-02-01), Werle
patent: 3008457 (1961-11-01), Mezzetta

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