Internal-combustion engines – Two-cycle – Whirl through piston-controlled ports
Patent
1991-10-02
1992-10-27
Okonsky, David A.
Internal-combustion engines
Two-cycle
Whirl through piston-controlled ports
1231974, F02B 7502
Patent
active
051580462
ABSTRACT:
A balanced motor two-stroke cycle engine having a linear drive includes a sealed gearcase secured to a cylinder housing having a plurality of concentric cylinders. The sealed gearcase includes a fixed ring gear, a pinion gear whose diameter is equal to the radius of the ring gear, a hub on which a piston rod is journaled for rotation, and two sets of counterweights. The piston rod moves in a linear fashion as the pinion gear rotates inside the fixed ring gear. The piston rod extends into the innermost cylinder, and a piston secured to the piston rod reciprocates linearly in the innermost cylinder. Different embodiments of exhaust valve structure are illustrated in different embodiments, and an external combustion chamber embodiment is also illustrated.
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Okonsky David A.
Shields H. Gordon
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