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    • 1. 发明申请
    • PIEZOELECTRIC STACK-DRIVEN INLET / EXHAUST VALVE
    • 压电片堆驱动进/排气阀
    • WO2017204769A2
    • 2017-11-30
    • PCT/TR2017/050214
    • 2017-05-23
    • SÜRMEN, Ali
    • SÜRMEN, Ali
    • F01L9/04
    • In internal combustion engines, there is a inlet / exhaust valve (1) comprising a valve head (71) which controls the intake of the air-fuel mixture or only the intake of the air into the combustion chamber and the discharge of the burned exhaust gas by moving in a bi-directional manner within a body (6), a drive member (8) that applies a force for the valve head (71) to remain in the same position continuously and at least one piezoelectric stack (21) made of a piezoelectric material which performs the movement of the valve head (71) by defeating the force exerted by the said drive member (8), wherein it comprises at least one primary piston (4) transmitting the motion that it received from the piezoelectric stack (21), at least one hydraulic chamber (61) which applies the motion received from the said primary piston (4) over a large diameter duct (A) via its hydraulic fluid (61a) as a pressure force over a small diameter duct (B) that has a smaller area, and a control unit (3) which achieves a desired amount of elongation by applying electrical potential to the said piezoelectric stack (21) at the predetermined quantities according to the engine speed and thus enables it to be driven.
    • 在内燃机中,存在包括阀头(71)的入口/排气阀(1),该阀头控制空气燃料混合物的吸入或仅将空气吸入燃烧 并且通过在主体(6)内以双向方式移动而排出已燃烧的废气,驱动构件(8)对阀头(71)施加力以保持在相同的位置并持续地 至少一个由压电材料制成的压电堆(21),该压电堆通过克服由所述驱动构件(8)施加的力来执行阀头(71)的移动,其中,所述压电堆包括至少一个主活塞(4) (21)接收的运动;至少一个液压室(61),其将从所述主活塞(4)接收到的运动经由其液压流体(61a)作为 压力作用在面积较小的小直径管道(B)上,并且控制为un 它通过根据发动机速度以预定的数量向所述压电叠层(21)施加电势而实现期望的伸长量,并因此使其能够被驱动,从而实现期望的伸长量。
    • 3. 发明申请
    • PIEZOELECTRIC ACTUATOR-DRIVEN INLET / EXHAUST VALVE
    • WO2017204769A3
    • 2017-11-30
    • PCT/TR2017/050214
    • 2017-05-23
    • SÜRMEN, Ali
    • SÜRMEN, Ali
    • F01L9/04
    • In internal combustion engines, there is a inlet / exhaust valve (1) comprising a valve head (71) which controls the intake of the air-fuel mixture or only the intake of the air into the combustion chamber and the discharge of the burned exhaust gas by moving in a bi-directional manner within a body (6), a drive member (8) that applies a force for the valve head (71) to remain in the same position continuously and at least one piezoelectric stack (21) made of a piezoelectric material which performs the movement of the valve head (71) by defeating the force exerted by the said drive member (8), wherein it comprises at least one primary piston (4) transmitting the motion that it received from the piezoelectric stack (21), at least one hydraulic chamber (61) which applies the motion received from the said primary piston (4) over a large diameter duct (A) via its hydraulic fluid (61a) as a pressure force over a small diameter duct (B) that has a smaller area, and a control unit (3) which achieves a desired amount of elongation by applying electrical potential to the said piezoelectric stack (21) at the predetermined quantities according to the engine speed and thus enables it to be driven.