Patents by Inventor Kenji Shishido
Kenji Shishido has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11920698Abstract: A flow control valve adjusts an opening degree of a second channel by moving a needle valve in a first axis direction in accordance with a rotating operation amount of a knob provided at the first body, and includes a scale body, and a scale reading part that indicates the scale mark corresponding to the rotating operation amount of the knob, and a clutch mechanism that changes the scale mark of the scale body when the knob is rotated. The clutch mechanism includes an engaging portion, an engaged portion, and a clutch drive mechanism, and the scale reading part and the scale body rotate integrally when the engaging portion and the engaged portion are engaged. The clutch drive mechanism releases engagement between the engaging portion and the engaged portion when the knob is rotated and, after the scale mark is changed, re-engages the engaging portion with the engaged portion.Type: GrantFiled: March 31, 2022Date of Patent: March 5, 2024Assignee: SMC CORPORATIONInventor: Kenji Shishido
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Publication number: 20220325821Abstract: A flow control valve adjusts an opening degree of a second channel by moving a needle valve in a first axis direction in accordance with a rotating operation amount of a knob provided at the first body, and includes a scale body, and a scale reading part that indicates the scale mark corresponding to the rotating operation amount of the knob, and a clutch mechanism that changes the scale mark of the scale body when the knob is rotated. The clutch mechanism includes an engaging portion, an engaged portion, and a clutch drive mechanism, and the scale reading part and the scale body rotate integrally when the engaging portion and the engaged portion are engaged. The clutch drive mechanism releases engagement between the engaging portion and the engaged portion when the knob is rotated and, after the scale mark is changed, re-engages the engaging portion with the engaged portion.Type: ApplicationFiled: March 31, 2022Publication date: October 13, 2022Applicant: SMC CORPORATIONInventor: Kenji Shishido
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Patent number: 10514048Abstract: 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.Type: GrantFiled: October 20, 2016Date of Patent: December 24, 2019Assignee: SMC CORPORATIONInventors: Hirosuke Yamada, Kenji Shishido
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Publication number: 20180355892Abstract: 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.Type: ApplicationFiled: October 20, 2016Publication date: December 13, 2018Applicant: SMC CORPORATIONInventors: Hirosuke YAMADA, Kenji SHISHIDO
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Patent number: 10030677Abstract: 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.Type: GrantFiled: August 21, 2014Date of Patent: July 24, 2018Assignee: SMC CORPORATIONInventor: Kenji Shishido
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Patent number: 9752685Abstract: A flow rate control apparatus includes a valve mechanism capable of controlling a flow rate of a pressure fluid that flows from a second port to a first port. Second stopper walls are formed on a seating section of a needle valve constituting the valve mechanism and which is capable of advancing and retracting in an axial direction. In addition, in a total valve-closed state when the seating section of the needle valve is seated on a seat of a first body, the second stopper walls come into abutment and are stopped in a circumferential direction of the needle valve with respect to first stopper walls of the first body.Type: GrantFiled: May 17, 2012Date of Patent: September 5, 2017Assignee: SMC KABUSHIKI KAISHAInventor: Kenji Shishido
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Patent number: 9523444Abstract: A flow rate control device is provided with a flow rate adjustment indication device for operating the displacement of a needle valve relative to a flow passage. The flow rate adjustment indication device is provided with a housing, a rotation transmission member which displaces the needle valve by rotational operation, and an annularly shaped indication ring which has a hole through which the rotation transmission member is inserted. The indication ring has graduations which indicate a change in the flow rate of liquid. The engagement of the engagement section of the needle valve displaces the indication ring in the circumferential direction and changes the position of the graduations.Type: GrantFiled: April 10, 2013Date of Patent: December 20, 2016Assignee: SMC KABUSHIKI KAISHAInventor: Kenji Shishido
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Publication number: 20160208825Abstract: 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.Type: ApplicationFiled: August 21, 2014Publication date: July 21, 2016Applicant: SMC CORPORATIONInventor: Kenji SHISHIDO
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Publication number: 20150107704Abstract: A flow rate control device is provided with a flow rate adjustment indication device for operating the displacement of a needle valve relative to a flow passage. The flow rate adjustment indication device is provided with a housing, a rotation transmission member which displaces the needle valve by rotational operation, and an annularly shaped indication ring which has a hole through which the rotation transmission member is inserted. The indication ring has graduations which indicate a change in the flow rate of liquid. The engagement of the engagement section of the needle valve displaces the indication ring in the circumferential direction and changes the position of the graduations.Type: ApplicationFiled: April 10, 2013Publication date: April 23, 2015Applicant: SMC KABUSHIKI KAISHAInventor: Kenji Shishido
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Publication number: 20140077114Abstract: A flow rate control apparatus includes a valve mechanism capable of controlling a flow rate of a pressure fluid that flows from a second port to a first port. Second stopper walls are formed on a seating section of a needle valve constituting the valve mechanism and which is capable of advancing and retracting in an axial direction. In addition, in a total valve-closed state when the seating section of the needle valve is seated on a seat of a first body, the second stopper walls come into abutment and are stopped in a circumferential direction of the needle valve with respect to first stopper walls of the first body.Type: ApplicationFiled: May 17, 2012Publication date: March 20, 2014Applicant: SMC KABUSHIKI KAISHAInventor: Kenji Shishido
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Patent number: D600779Type: GrantFiled: May 27, 2008Date of Patent: September 22, 2009Assignee: SMC CorporationInventor: Kenji Shishido
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Patent number: D600780Type: GrantFiled: May 27, 2008Date of Patent: September 22, 2009Assignee: SMC CorporationInventor: Kenji Shishido
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Patent number: D743002Type: GrantFiled: October 29, 2014Date of Patent: November 10, 2015Assignee: SMC CORPORATIONInventor: Kenji Shishido
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Patent number: D758540Type: GrantFiled: October 29, 2014Date of Patent: June 7, 2016Assignee: SMC CORPORATIONInventor: Kenji Shishido
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Patent number: D762819Type: GrantFiled: September 18, 2015Date of Patent: August 2, 2016Assignee: SMC CORPORATIONInventor: Kenji Shishido
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Patent number: D985099Type: GrantFiled: June 12, 2020Date of Patent: May 2, 2023Assignee: SMC CORPORATIONInventors: Hirosuke Yamada, Kenji Shishido, Takahiro Ueyama