Two-cycle internal combustion engine

Patent · Tue Mar 22 04:00:00 EST 1988

OSTI ID:5004326

Nakamura, N; Tanahashi, T; Ujihashi, M; Noguchi, H; Itoh, S; Hirose, K; Horii, K; Baika, T

A two-cycle internal combustion engine is described comprising: a cylinder head having at least one intake port for introducing fresh air into a combustion chamber and at least one exhaust port for discharging exhaust gas from the combustion chamber; an air charging means for supplying compressed fresh air to the intake port; intake and exhaust valves for opening and closing the intake and exhaust ports, respectively; and a valve operating means operated in response to a crank angle. The engine further comprises: an exhaust system having a means for substantially restraining a pulsation pressure of exhaust gas in the exhaust port during at least an idling or light load running condition of the engine; means for forming an exhaust gas swirl rotating around a cylinder axis of the combustion chamber when the exhaust gas flows back to the combustion chamber.

• Assignee: Toyota Jidosha Kabushiki Kaisha
• Patent Number(s): US 4732124
• OSTI ID: 5004326
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
AIR FLOW
COMBUSTION CHAMBERS
CONTROL EQUIPMENT
CYLINDERS
DESIGN
ENGINES
EQUIPMENT
EXHAUST GASES
EXHAUST SYSTEMS
FLOW REGULATORS
FLUID FLOW
FLUIDS
FUEL INJECTION SYSTEMS
FUEL SYSTEMS
GAS FLOW
GASEOUS WASTES
GASES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
OPERATION
VALVES
WASTES