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    • 3. 发明申请
    • APPARATUS FOR CONTROLLING THE DEGREE OF DAMPING DURING THE SHUT-OFF OF AN EXHAUST VALVE OF A LARGE DIESEL ENGINE
    • 用于控制大型柴油机排气阀关闭期间阻尼程度的装置
    • WO2010050702A2
    • 2010-05-06
    • PCT/KR2009006145
    • 2009-10-22
    • HYUN DAI HEAVY IND CO LTDKIM JI-SUKIM DONG-HUNKANG SANG-LIPKIM JU-TAE
    • KIM JI-SUKIM DONG-HUNKANG SANG-LIPKIM JU-TAE
    • F01L9/02
    • F01L9/02
    • The present invention relates to an apparatus for controlling the degree of damping during the shut-off of an exhaust valve of a large diesel engine, wherein a pressure control valve is installed in a damper piston of the large diesel engine to control the pressure of hydraulic oil in the damper cylinder to the desired level during the shut-off of the exhaust valve, thereby controlling the degree of damping of the exhaust valve in accordance with design specifications. The present invention has a technical ideal in that the exhaust valve damping apparatus having the damper piston and the damper cylinder comprises: a horizontal flow channel (1) opened through both sides of the interior of the damper piston to enable the inflow of hydraulic oil; a vertical flow channel (2) penetrating from the horizontal flow channel (1) to the bottom surface of the damper piston; and a pressure control valve (3) mounted on a certain point of the vertical flow channel such that the check valve (3) opens upwardly by a pressure difference to discharge hydraulic oil, thereby controlling the degree of damping during the shut-off of the exhaust valve.
    • 本发明涉及一种用于控制大型柴油发动机的排气门关闭期间的阻尼程度的装置,其中压力控制阀安装在大型柴油发动机的减震器活塞中以控制液压 在关闭排气阀的过程中将阻尼器气缸中的油调节到所需的水平,从而根据设计规格控制排气阀的阻尼程度。 本发明的技术理想在于,具有阻尼器活塞和阻尼器气缸的排气阀阻尼装置包括:水平流动通道(1),其通过阻尼器活塞内部的两侧开口以能够流入液压油; 垂直流动通道(2),其从所述水平流动通道(1)穿透到所述阻尼器活塞的底表面; 和安装在竖直流动通道的特定点上的压力控制阀(3),使得止回阀(3)通过压力差向上打开以排出液压油,由此控制在关闭期间的阻尼程度 排气阀。