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Invention Grant
US08109257B2 Fluid selection valve unit, exhaust gas control valve having the same, and waste gate valve having the same 有权
流体选择阀单元，具有该流体选择阀单元的废气控制阀和具有该流量选择阀单元的废气门阀

Fluid selection valve unit, exhaust gas control valve having the same, and waste gate valve having the same
Abstract:
A fluid selection valve unit comprising a valve seat having a side surface having a predetermined depth and a bottom surface continuous to the side surface and a valve member supported with a rotary shaft at one end. The valve member includes a bottom portion and a side end surface formed above the bottom portion, and is configured so that a passage area of a gap formed between the side end surface of the valve member and the side surface of the valve seat is smaller than a contact passage area formed between the bottom portion of the valve member and the bottom surface of the valve seat during a time when the bottom portion of the valve member comes into contact with the bottom surface of the valve seat by the rotation of the rotary shaft, and the rotary angle increases up to a predetermined value of the rotary angle.
Abstract(Chinese):

一种流体选择阀单元，包括具有预定深度的侧表面和与侧表面连续的底表面的阀座和在一端支撑有旋转轴的阀构件。 阀构件包括底部和形成在底部上方的侧端面，并且构造成使得形成在阀构件的侧端面和阀座的侧表面之间的间隙的通过面积小于 在阀构件的底部通过旋转轴的旋转与阀座的底面接触的时间期间，形成在阀构件的底部与阀座的底面之间的接触通道区域 ，并且旋转角度增加到旋转角度的预定值。

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