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2. 发明授权

US5427357A Control valve 失效
标题翻译：控制阀
公开(公告)号：US5427357A
公开(公告)日：1995-06-27
申请号：US209906
申请日：1994-03-14
申请人： Mutsunori Koyomogi , Kunihiko Daido , Masahiko Nakazawa , Yukio Minami , Masahiko Sogao , Kazuhiro Yoshikawa , Shuhei Ogawa , Tetsuya Kojima
发明人： Mutsunori Koyomogi , Kunihiko Daido , Masahiko Nakazawa , Yukio Minami , Masahiko Sogao , Kazuhiro Yoshikawa , Shuhei Ogawa , Tetsuya Kojima
IPC分类号： F16K1/10 , F16K41/10 , F16K3/00
CPC分类号： F16K41/10 , F16K1/10 , Y10T137/6416
摘要： A control valve comprises a valve body having a fluid channel and a valve seat; a valve operating part; a valve stem supporting member having its upper end fixed to the valve operating part and its lower end fixed to the valve body; a valve stem penetrating the valve stem supporting member and having its upper end part connected to the valve operating part and its lower end part entering the valve body, the valve stem being movable upward or downward by the valve operating part; and a valve element attached to the lower end of the valve stem. The valve element is moved upward or downward by moving the valve stem upward or downward, the valve element being brought into contact with and seated in the valve seat to close a fluid channel as it is moved downward, the valve element being detached from the valve seat to open the fluid channel as it is moved upward. The valve stem supporting member has an upper tubular body and a lower tubular body, the upper tubular body having its upper end fixed to the valve operating part and its lower end detached from the valve body, the lower tubular body having its lower end fixed to the valve body and its upper end detached from the valve operating part, the two tubular bodies being spaced apart each other, the lower end part of the upper tubular body and the upper end part of the lower tubular body being connected by a connecting member.
摘要翻译：控制阀包括具有流体通道和阀座的阀体; 阀门操作部分; 阀杆支撑构件，其上端固定到阀操作部分，其下端固定到阀体; 阀杆贯穿阀杆支撑构件，其上端部分连接到阀操作部分，其下端部分进入阀体，阀杆可由阀操作部件向上或向下移动; 以及附接到阀杆的下端的阀元件。阀元件通过向上或向下移动阀杆而向上或向下移动，阀元件与阀座接触并安置在阀座中，以在其向下移动时闭合流体通道，阀元件从阀门拆下座椅向上移动以打开流体通道。阀杆支撑构件具有上管状体和下管状体，上管状体的上端固定到阀操作部分，其下端与阀体分离，下管状体的下端固定到阀体及其上端与阀操作部分脱离，两个管状体彼此间隔开，上管状体的下端部和下管状体的上端部通过连接部件连接。

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