Internal-combustion engines – Oscillating piston – Toroidal cylinder
Patent
1982-01-22
1984-12-11
Koczo, Michael
Internal-combustion engines
Oscillating piston
Toroidal cylinder
F02B 5304
Patent
active
044871678
ABSTRACT:
A rotary internal combustion engine capable of operating under compression ignition, comprises a cylinder bore in a stator sealed between parallel end walls, an engine shaft journaled in the end walls, concentric with the cylinder bore, an air-compressing rotor keyed eccentrically to the engine shaft, the rotor generally annular, traveling clockwise, a wiper vane across its head sucking in air through a one-way inlet port in the perimeter of the cylinder bore, at the same time compressing the air ahead of it which was inhaled during the preceding revolution. The rotor compresses air into a combustion-expansion chamber formed inside the elbow of an L-shaped abutment coextensive with the end walls, the abutment with a clockwise end pivoted in a shallow seat in the face of the cylinder at about 2:00 o'clock, the base of the abutment, a plate generally rectangular, reaching counter-clockwise, thence turning upward to form an arcuate extension to reciprocate in a channel in the stator head, a fixed casting adjacent the base of the channel closing the upper part of the combustion-expansion chamber to serve as a compression head, the base of the abutment riding on the eccentric rotor. A fuel injector is positioned to inject fuel into the combusion chamber when the rotor head is at approximately top center, and a glow plug is positioned to facilitate ignition. Expanding combustion gases drive the abutment downward in a power stroke, forcing the eccentric rotor to rotate. Two ports vent the engine, one a horizontal port through the stator opposite the combustion chamber, the other in the outer end of the channel. When the abutment drops to the end of the downward stroke, at the end of the expansion stroke, its upper end uncovers the horizontal port and at the same time withdraws out of the channel, the spent gases flowing out through both ports. The eccentric rotor lifts the abutment on the upward stroke, re-covering the ports on the upward compression stroke.
REFERENCES:
patent: 2060937 (1936-11-01), Hinckley et al.
patent: 3707073 (1972-12-01), Bernstein
patent: 3738332 (1973-06-01), Eyzat et al.
patent: 4005687 (1977-02-01), Jonathan
patent: 4214557 (1980-07-01), Beach
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