Invention Grant
US09303597B2 Engine with dedicated EGR exhaust port and independent exhaust valve control 有权
发动机配有专用EGR排气口和独立排气阀控制

Engine with dedicated EGR exhaust port and independent exhaust valve control
Abstract:
An engine assembly includes an engine block defining a cylinder, an exhaust system, and an exhaust gas recirculation system. A first cam-actuated exhaust valve is configured to control the flow of fluid from the cylinder to the exhaust system. A second cam-actuated exhaust valve configured to control the flow of fluid from the cylinder to the exhaust gas recirculation system. The timing of the second valve is adjustable independently of the timing of the first valve, thereby enabling control of EGR flow through manipulation of exhaust valve timing.
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