1results about How to "Increase EGR rate" patented technology

This application discloses an EGR one-way valve and an EGR system. The EGR one-way valve includes a base and a valve plate. A rotating shaft is provided at the fixed end of the valve plate, and a bushing is provided on the base. The valve plate is rotatably connected to the base through the bushing that cooperates with the rotating shaft. The opening of the valve plate of the EGR one-way valve disclosed in this solution is affected by the friction between the rotating shaft and the bushing. The friction between the rotating shaft and the bushing is much smaller than the restoring force generated by the deformation of the valve plate in related technologies, which reduces the opening resistance of the valve plate and increases the opening angle of the valve plate, thereby reducing the exhaust gas resistance and helping to improve the engine EGR rate. By changing the fixing method of the valve plate, the valve plate does not deform during the opening process, and the valve plate does not block the opening area, increasing the opening area at the same opening angle. At the same time, the valve plate does not deform, reducing the risk of the valve plate breaking due to frequent opening and closing, and extending the service life of the valve plate.