초록 ▼

A valve system for controlling the opening and closing of the intake and exhaust ports of the internal combustion engine\s cylinders consists of a shutter valve assembly which opens and closes a row of openings registering with the engine\s combustion chamber. The shutter assembly includes a movable

A valve system for controlling the opening and closing of the intake and exhaust ports of the internal combustion engine\s cylinders consists of a shutter valve assembly which opens and closes a row of openings registering with the engine\s combustion chamber. The shutter assembly includes a movable shutter ring having a plurality of shutter openings which either register with the intake ports during the intake cycle of the internal combustion engine or with the exhaust ports during the exhaust cycle of the internal combustion engine. A controller regulates the rotation of the shutter ring so that the appropriate ports are in communication with the cylinder for proper intake of fluid and air and the exhaust of fumes from the combustion. An engine management computer determines the precise opening and closing time of the intake and exhaust ports and initiates an electrical signal for commanding the controller to move the shutter ring to the appropriate position, thereby either closing or opening the intake and exhaust ports.

대표청구항 ▼

A valve system for controlling the intake port and exhaust port of an internal combustion engine having a cylinder in which a reciprocating piston moves in an intake, compression, power, and exhaust cycle, a cylinder head in which said intake port and exhaust port are found, wherein said valve syste

A valve system for controlling the intake port and exhaust port of an internal combustion engine having a cylinder in which a reciprocating piston moves in an intake, compression, power, and exhaust cycle, a cylinder head in which said intake port and exhaust port are found, wherein said valve system comprises: a shutter valve assembly having a plurality of intake shutter openings by which an intake flow passes through said intake port during said intake cycle, and said shutter valve assembly having a plurality of exhaust shutter openings by which an exhaust flow passes through said exhaust port during said exhaust cycle; said shutter valve assembly having a first moveable shutter element which selectively opens and closes said shutter openings of said intake port and a second moveable shutter element which selectively opens and closes said shutter openings of said exhaust port; said first and second moveable shutter elements being independent of each other; a valve actuating system for reciprocating said first moveable shutter element to open and close said intake port during said intake cycle and for reciprocating said second moveable shutter element to open and close said exhaust port during said exhaust cycle; a plurality of sensors for sensing engine operating conditions and generating sensor signals for regulating the operation of said valve actuating system; and a controller responsive to said sensor signals for controlling said valve actuating system.