Internal combustion engine with multiple intake valves

Patent · Tue Feb 18 04:00:00 EST 1986

OSTI ID:5902173

Kawai, T; Nakagawa, N; Kaganuma, G; Nagai, T

This patent describes an internal combustion engine including a cylinder block and a cylinder head secured thereonto to define cylinders, each of the cylinders has a piston inserted therein, with a combustion chamber defined above the piston. The engine consists of: 1.) first, second, and third intake passages communicated with the combustion chamber of each cylinder, the first intake passage helically shaped so that a swirl can be generated in the combustion chamber; 2.) first, second, and third intake valves provided for the first, second, and third intake passage, respectively. The intake valves are operably connected to the piston; 3.) a first intake control valve located in the second intake passage; 4.) an actuating device for the intake control valves responsive to operating conditions of the engine, and 5.) a fuel injector located in the third intake passage between the third intake valve and the second intake control valve.

• Assignee: Toyota Jidosha Kabushiki Kaisha, Aichi
• Patent Number(s): US 4570590
• OSTI ID: 5902173
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
COMBUSTION CHAMBERS
CONTROL EQUIPMENT
CYLINDERS
DESIGN
ENGINES
EQUIPMENT
FLOW REGULATORS
FUEL INJECTION SYSTEMS
FUEL SYSTEMS
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
VALVES