Internal-combustion engines – Two-cycle – Whirl through piston-controlled ports
Patent
1989-07-10
1991-07-02
Okonsky, David A.
Internal-combustion engines
Two-cycle
Whirl through piston-controlled ports
123 65UB, 123 74AE, 123 73BA, F02B 7502
Patent
active
050277570
ABSTRACT:
A cylinder for an internal-combustion two-stroke engine, having multiple intake ports, multiple intake valve ports and multiple exhaust ports. The cylinder enables a two-stroke engine to run on gasoline without premixing it with lubricating oil and, due to its optimal volumetric efficiency and good separation of air-fuel mixture and exhaust gases, provides the possibility to satisfy requirements for high fuel efficiency, high power output and low emissions released into the atmosphere. An engine using this cylinder construction will be lightweight, will not require valve trains and camshaft and can be manufactured with any number of cylinders. Utilizing a slightly different process and slightly different configuration, the present invention will also enable a two-stroke engine to run on diesel fuel and produce significant benefits in comparison to existing two-stroke diesel engines.
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