公开(公告)号：US20180355892A1

公开(公告)日：2018-12-13

申请号：US15771139

申请日：2016-10-20

Applicant: SMC CORPORATION

Inventor： Hirosuke YAMADA ,  Kenji SHISHIDO

IPC: F15B11/024 ,  F16K31/122 ,  F15B21/14 ,  F15B15/14

CPC classification number: F15B11/024 ,  F15B11/064 ,  F15B13/042 ,  F15B15/149 ,  F15B21/14 ,  F15B2211/3058 ,  F15B2211/7053 ,  F15B2211/8855 ,  F16K11/04 ,  F16K15/185 ,  F16K31/122 ,  F16K31/52416

Abstract: A fluid control valve includes a supply-air passage allowing a first port and a second port to communicate with each other, an exhaust-air passage allowing the second port and a third port to communicate with each other, a first check valve provided to the supply-air passage, a second check valve provided to the exhaust-air passage, a valve element that opens and closes a passage from the second port to the third port, and a valve hole in which the valve element is housed. The exhaust-air passage is provided between the valve hole and the valve element. The valve element has a first pressure-receiving surface that causes a fluid pressure at the first port to act, and a second pressure-receiving surface that causes a fluid pressure at the second port to act.

公开(公告)号：US20160208825A1

公开(公告)日：2016-07-21

申请号：US14913602

申请日：2014-08-21

Applicant: SMC CORPORATION

Inventor： Kenji SHISHIDO

IPC: F15B11/04 ,  F16K15/00

CPC classification number: F15B11/0413 ,  F15B2211/8855 ,  F16K15/00 ,  Y10T137/7781

Abstract: Inside a valve housing equipped with a first flow path and a second flow path that connect in parallel with a first port and a second port, there are provided a needle valve body that opens/closes a throttle hole in the first flow path, a check valve that opens/closes the second flow path, and a piston that performs an open/close control of the needle valve body through the interaction of the pressure of a fluid introduced into a pressure chamber and the spring force of a compression spring. The needle valve body is formed at the tip of a rod coupled to the piston. Inside the rod and the needle valve body there is formed a conduction hole connecting the throttle hole and the pressure chamber.

Abstract translation: 在配备有与第一端口和第二端口并联连接的第一流路和第二流路的阀壳体内设置有打开/关闭第一流路中的节流孔的针阀体， 打开/关闭第二流路的阀，以及通过引入压力室的流体的压力与压缩弹簧的弹簧力的相互作用来执行针阀体的打开/关闭控制的活塞。 针阀体形成在与活塞连接的杆的末端。 在杆和针阀体内部形成有连接节流孔和压力室的导通孔。