Internal-combustion engines – Two-cycle – Whirl through piston-controlled ports
Patent
1987-08-13
1990-02-27
Okonsky, David A.
Internal-combustion engines
Two-cycle
Whirl through piston-controlled ports
123323, F02D 3904
Patent
active
049036475
ABSTRACT:
An exhaust timing control system for two-cycle engines includes a pivotally mounted valve body on which the timing control surface is formed on a ridge-defining element positioned at the free end of a plate having reduced thickness for weight reduction purposes. The valve body is protected against thermal stresses by reception in a recess of conforming shape located in the upper surface of the exhaust passage. The component parts of the system may be provided with various structural configurations to enhance the system's operational efficiency.
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Iwashita Kanau
Okazaki Kouji
Yamamoto Hitoshi
Honda Giken Kogyo Kabushiki Kaisha
Okonsky David A.
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