Two-cycle internal combustion engine
This patent describes an internal combustion engine. It comprises a cylinder; a piston slidably mounted in the cylinder; a cylinder head enclosing one end of the cylinder so as to define a combustion chamber within the cylinder between the piston and the cylinder head; fuel injection means for allowing fuel to enter the combustion chamber; intake means for allowing air to enter the combustion chamber; ignition means for igniting a mixture of the fuel and the air in the combustion chamber; at least one exhaust port for allowing burned exhaust gases to escape the combustion chamber; the intake means comprising: an aperture in the cylinder head: a valve, having an elongated stem, capable of opening and closing the aperture: an air pump forcing pressurized air into the cylinder through the aperture: a spring, exerting a force on the valve, in opposition to a force created by the air pump, the valve opening when the pressure in the pressurized air exerts a force on the value greater than a sum of forces exerted, on the valve, by the spring and a pressure in the cylinder due to motion of the piston.
- Assignee:
- NOV; NOV-91-042033; EDB-92-058563
- Patent Number(s):
- A; US 5048476
- Application Number:
- PPN: US 7-596012
- OSTI ID:
- 5774739
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
330100 -- Internal Combustion Engines
330603* -- Vehicle Design Factors-- Engine System
330800 -- Emission Control-- Alternative Fuels
COMBUSTION CHAMBERS
CONTROL EQUIPMENT
CONTROL SYSTEMS
DISPERSIONS
ENGINES
EQUIPMENT
FLOW REGULATORS
FUEL SYSTEMS
FUELS
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MIXTURES
VALVES