Patents Assigned to SMC Corporation
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Patent number: 11661959Abstract: A pressure booster includes a pressure boosting unit and a bypass unit. The pressure boosting unit includes an input port connected to the side of a fluid supply source and an output port connected to the side of a tank. The pressure boosting unit boosts the pressure of a pressurized fluid supplied to the input port and outputs the pressure-boosted pressurized fluid from the output port. The bypass unit includes a bypass flow path having one end connected to the fluid supply source side and the other end connected to the output port side. The bypass flow path is provided with a bypass check valve configured to block the flow of the pressurized fluid from the output port side to the fluid supply source side.Type: GrantFiled: March 18, 2021Date of Patent: May 30, 2023Assignee: SMC CORPORATIONInventors: Youji Takakuwa, Kengo Monden
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Patent number: 11661960Abstract: A pressure-booster output stabilizer includes: a first cylinder having therein a first chamber and a second chamber separated by a first piston; a second cylinder having therein a third chamber and a fourth chamber separated by a second piston; and a piston rod configured to couple the first piston and the second piston. The primary pressure of a pressure booster is supplied to the first chamber, the secondary pressure of the pressure booster is supplied to the fourth chamber, and the pressurized fluid is taken out from the fourth chamber.Type: GrantFiled: March 24, 2021Date of Patent: May 30, 2023Assignee: SMC CORPORATIONInventors: Youji Takakuwa, Kazufumi Waki
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Publication number: 20230150123Abstract: A fulcrum opening/closing type air chuck includes porous bodies that are attached to a body and come into contact with fingers, and purge air passes through the porous bodies and is discharged to the outside.Type: ApplicationFiled: October 24, 2022Publication date: May 18, 2023Applicant: SMC CORPORATIONInventor: Ryosuke OKUSHIMA
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Publication number: 20230139315Abstract: A first opening and closing mechanism, which includes a first cam groove and a first cam roller and which causes a valve assembly to reciprocate between an intermediate position and a first closed position, and a second opening and closing mechanism, which includes a second cam groove and a second cam roller and which causes the valve assembly to reciprocate between the intermediate position and a second closed position, are provided so as to be operable separately, the first and second opening and closing mechanisms being disposed adjacent to each other in a thickness direction D of a gate valve.Type: ApplicationFiled: October 27, 2022Publication date: May 4, 2023Applicant: SMC CORPORATIONInventor: Takeshi NISHIKAWA
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Publication number: 20230136636Abstract: A second communication circuit of each of solenoid valve modules other than a terminal solenoid valve module receives a signal from a switching line located in the next-stage solenoid valve module, and the second communication circuit of the terminal solenoid valve module that receives no signal from the switching line transmits a solenoid valve control signal and signals related to diagnostic information of the plurality of solenoid valve modules to a communication module via a receiving line.Type: ApplicationFiled: October 3, 2022Publication date: May 4, 2023Applicant: SMC CORPORATIONInventor: Yui OKADA
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Publication number: 20230132067Abstract: [Solution] A pilot check valve includes a first body that has input and output ports, a main path 13 that is in communication these ports, and a check valve element that allows a flow of a pressure fluid from the input port toward the output port. The valve element blocks or allows a flow toward the input port side by supply or discharge of a pilot fluid and has a residual pressure exhaust path connected between the main path and an exhaust hole, a seal member that is provided in the exhaust path, and a push rod that moves the check valve element to a position where a flow of a pressure fluid toward the input port side in the main path is allowed and moves the seal member to a position where a flow toward the exhaust hole is allowed.Type: ApplicationFiled: October 20, 2022Publication date: April 27, 2023Applicant: SMC CORPORATIONInventor: Kenji FUKUSHIMA
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Publication number: 20230116364Abstract: A gate valve is disposed between first and second chambers and allows a first opening leading to the first chamber and a second opening leading to the second chamber to be communicated and opens and closes. The gate valve includes a valve shaft, first and second valve plates that are attached to a leading end part of the valve shaft, an operation mechanism that moves these valve plates to an evacuation position at which the first opening and the second opening are communicated, a first closed position at which the first opening is closed by the first valve plate, and a second closed position at which the second opening is closed the second valve plate by operating the valve shaft, a fastening mechanism that attaches these valve plates to the valve shaft, and a support mechanism that fasten both end parts of these valve plates in a longitudinal direction.Type: ApplicationFiled: September 29, 2022Publication date: April 13, 2023Applicant: SMC CORPORATIONInventor: Takeshi NISHIKAWA
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Publication number: 20230110422Abstract: A lift device includes a body having a cylindrical shape and an elastic member having an annular shape. The body includes, at an axial end thereof, a flat surface configured to hold a workpiece. The elastic member is disposed on an outer periphery of the flat surface of the body, and includes an annular protruding portion that protrudes beyond the flat surface of the body in an axial direction of the body. The annular protruding portion has a circular-arc-shaped cross-section. Air supplied to the body flows along the flat surface of the body and the annular protruding portion of the elastic member.Type: ApplicationFiled: September 9, 2022Publication date: April 13, 2023Applicant: SMC CORPORATIONInventors: Masaru SAITOH, Hiroaki SAKA
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Patent number: 11623314Abstract: A magnetic chuck includes a cylinder tube including a workpiece attraction surface to which a workpiece is attracted, a piston assembly including a permanent magnet and being movable in an internal space of the cylinder tube, the piston assembly separating the internal space of the cylinder tube into a first pressure chamber and a second pressure chamber, a first supply/discharge port formed in the cylinder tube and communicating with the first pressure chamber, a second supply/discharge port formed in the cylinder tube and communicating with the second pressure chamber, and a communication passage configured to allow the first pressure chamber and the second pressure chamber to communicate with each other.Type: GrantFiled: August 19, 2021Date of Patent: April 11, 2023Assignee: SMC CorporationInventor: Motohiro Sato
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Patent number: 11619245Abstract: In a fluid circuit for an air cylinder connected to a switching valve provided with exhaust ports, a head-side pressure chamber is connected to the switching valve by a first pipe, and a rod-side pressure chamber is connected to the switching valve by a second pipe. A first restrictor is disposed at a connection point between the first pipe and the switching valve or in the vicinity of a first output port of the switching valve, and a second restrictor is disposed at a connection point between the second pipe and the switching valve or in the vicinity of a second output port of the switching valve.Type: GrantFiled: February 7, 2022Date of Patent: April 4, 2023Assignee: SMC CORPORATIONInventor: Naoki Shinjo
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Patent number: 11608902Abstract: A connecting fitting is disposed on an upper face of a valve plate and is fixed to the connecting shaft. A first close-contact mechanism portion is formed at a portion where the connecting fitting and the connecting shaft are in contact with each other, a second close-contact mechanism portion is formed at a portion where the connecting fitting and the valve plate are in contact with each other, and a third close-contact mechanism portion is formed at a portion where the lower end of the valve plate and the lower end of the connecting shaft are in contact with each other. By bringing the valve plate and the connecting shaft toward each other with the close-contact mechanism portions of three vertical positions, a hole front face of a connection hole and a shaft front face of a connecting shaft are brought into close contact with each other.Type: GrantFiled: March 31, 2022Date of Patent: March 21, 2023Assignee: SMC CORPORATIONInventor: Tsuyoshi Ochi
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Patent number: 11569774Abstract: An actuator control device supplies electrical power to a plurality of actuators via a plurality of controller units consecutively disposed and connected in one direction. A power supply unit or an input/output and power supply unit is interposed between each arbitrary number of controller units from within the plurality of controller units. In a case that the power supply unit is interposed, the power supply unit supplies electrical power to the block connected on a downstream side in a connecting direction. In a case that the input/output and power supply unit is interposed, the input/output and power supply unit performs input and output of signals to and from an exterior and the block that is connected on the downstream side in the connecting direction, while also supplying electrical power to the block.Type: GrantFiled: May 12, 2022Date of Patent: January 31, 2023Assignee: SMC CORPORATIONInventors: Atsushi Fujiwara, Eiji Iijima
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Patent number: D978283Type: GrantFiled: June 18, 2020Date of Patent: February 14, 2023Assignee: SMC CORPORATIONInventor: Takayuki Tanaka
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Patent number: D980383Type: GrantFiled: June 18, 2020Date of Patent: March 7, 2023Assignee: SMC CORPORATIONInventor: Takayuki Tanaka
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Patent number: D982137Type: GrantFiled: August 5, 2020Date of Patent: March 28, 2023Assignee: SMC CORPORATIONInventors: Ken Gunji, Toshinori Kurata, Katsuya Morozumi
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Patent number: D984588Type: GrantFiled: December 11, 2020Date of Patent: April 25, 2023Assignee: SMC CORPORATIONInventors: Akiho Nishimura, Akira Tadano
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Patent number: D985099Type: GrantFiled: June 12, 2020Date of Patent: May 2, 2023Assignee: SMC CORPORATIONInventors: Hirosuke Yamada, Kenji Shishido, Takahiro Ueyama
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Patent number: D986175Type: GrantFiled: September 24, 2020Date of Patent: May 16, 2023Assignee: SMC CORPORATIONInventors: Tomohiko Aki, Yuko Kochi, Naoki Murakami, Norimasa Ozaki
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Patent number: D986296Type: GrantFiled: December 18, 2020Date of Patent: May 16, 2023Assignee: SMC CORPORATIONInventors: Youji Takakuwa, Kengo Monden
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Patent number: D987688Type: GrantFiled: September 8, 2021Date of Patent: May 30, 2023Assignee: SMC CORPORATIONInventor: Kouhei Tomita