Tsutomu Shinohara 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).
Abstract: A valve V1 capable of detecting an operation abnormality has a magnet M1 that is attached in the vicinity of a pressing adapter 52 of a stem 53 that slides according to an opening/closing operation of the valve V1, and a magnetic sensor M2 that is attached to a surface acing the stem 53, inside the pressing adapter 52 that presses a peripheral edge of a diaphragm 51, and detects a change in a distance between the magnet M1 and the magnetic sensor M2. Further, an abnormality determination mechanism compares the change in the distance between the magnet M1 and the magnetic sensor M2 at the time of abnormality diagnosis detected by the magnetic sensor M2 and a previously measured change in the distance between the magnet M and the magnetic sensor M2 at the time of normality, and determines whether or not there is an abnormality.
Abstract: A fluid control device 10 comprises a valve device V2 including actuators 22 and 24 for opening and closing a flow path and adjusting a flow rate of a fluid flowing through the flow path, a pressure sensor PT provided upstream of the valve device V2, and a control circuit 12 connected to the valve device V2 and the pressure sensor PT, and the control circuit 12 controls an operation of the actuator based on a pressure measured by the pressure sensor PT and a reference pressure drop curve, while the upstream side of the fluid control device is closed and the valve device is opened using the actuators.
Abstract: A work management apparatus, method, and system enable to accurately manage position, tightening torque and other information for all fastening parts, for tightening work using a tool with a torque sensor. The system includes: a driver provided with a torque sensor; and first and second cameras that capture images of a product from different viewpoints. The torque sensor starts measurement of the tightening torque when a detected tightening torque exceeds a set threshold value, stops measurement of the tightening torque when the measurement data satisfies a predetermined condition, and outputs torque related data that includes measurement time. The system further includes: a PC that calculates coordinates of an engagement position of a bit from a plurality of image data captured by the first and the second cameras corresponding to the measurement time included in the torque related data; and a marker mounting device provided with a marker and removably mounted to the bit.
Abstract: [Problem] To provide a valve system capable of monitoring in real time a mass of gas supplied from a valve that is periodically opened and closed, and that is capable of adjusting the output mass of gas supplied from the valve to be close to a target mass. [Solution] The valve system operates a main actuator 60 to make a diaphragm periodically open and close a flow path (step S2), calculate an output mass of fluid that passes through the a between the diaphragm and a valve seat and output from the diaphragm valve based on displacement data detected by a displacement sensor (step S3), determines an adjustment lift amount based on the calculated output mass, and adjusts a lift amount Lf of the diaphragm 20 by the determined adjustment lift amount (step S4).
Abstract: A valve which can accurately detect an operation of the valve is provided. The valve includes a valve body defining a fluid flow passage, a valve disk operating to be able to open and close the fluid flow passage, an actuator driving the valve disk by supplying or interrupting a working fluid, a stem transmitting a driving force of the actuator to the valve disk, a detection means detecting an opening and closing operation of the valve disk, and an elastic member fixing a ring-shaped magnetic body inserted through an end of the stem to the stem. The detection means includes the magnetic body fixed by the elastic member, and a magnetic sensor detecting a change in a magnetic field of the magnetic body.
Abstract: A valve device capable of precisely adjusting a flow rate includes: an operating member for operating a diaphragm and provided movably between a closed position at which diaphragm closes a flow path and an open position at which diaphragm opens the flow path; a main actuator that receives pressure from a supplied drive fluid and moves the operating member to the open position or the closed position; an adjusting actuator for adjusting the position of the operating member positioned in the open position by using a passive element which expands and contracts in response to a given input signal; a position detecting mechanism for detecting the position of the operating member with respect to a valve body; and an origin position determining unit that uses a valve closed state in which the diaphragm contacts to valve seat to determine an origin position of the position detecting mechanism.
Abstract: A tool is equipped with a torque sensor, suited for a tightening task of a fastening component of a device such as a fluid control system that requires a large number of fastening components for assembly and has a narrow space for access to the fastening components, and capable of automatically detecting a tightening torque. The tool includes a torque sensor capable of detecting a tightening torque for tightening a fastening component acting on a bit. The torque sensor initiates measurement of the tightening torque when the tightening torque detected exceeds a set threshold value, completes measurement when the tightening torque detected falls below the set threshold value and a set time elapses, and outputs torque-related data formed on the basis of measurement data from measurement initiation to measurement completion and including a measurement time. The torque-related data includes a peak value of the measurement data.
December 3, 2018
Date of Patent:
February 21, 2023
CONNECTEC JAPAN CORPORATION, FUJIKIN INCORPORATED
Abstract: A fluid supply device and a fluid supply method capable of stably supplying a supercritical fluid includes a fluid supply device for supplying a fluid in a liquid state before being changed to a supercritical fluid toward a processing chamber. The fluid supply device comprises a condenser that condenses and liquefies a fluid in a gas state, a tank that stores the fluid condensed and liquefied by the condenser, a pump that pressure-feeds the liquefied fluid stored in the tank toward the processing chamber, and a heating means provided to a flow path communicating with a discharge side of the pump and for partially changing the liquid in the flow path to a supercritical fluid.
July 31, 2018
Date of Patent:
January 31, 2023
FUJIKIN INCORPORATED, TOKYO ELECTRON LTD.
Abstract: A fluid control device, capable of detecting leaks even if the leaks is slight, is provided. The fluid control device includes a valve body in which the flow path is formed, a diaphragm isolating a closed space from the flow path, a bonnet forming the closed space between the diaphragm and providing a penetration hole connected to the closed space and penetrated to be able to vertically move a diaphragm retainer, the diaphragm retainer vertically moving in the penetration hole to press the diaphragm and providing an increased diameter portion not to be removed from the penetration hole, a pressure sensor detecting a pressure inside of the closed space, and an elastic body interposing between the increased diameter portion of the diaphragm retainer and the bonnet inside of the closed space and elastically expanding and deflating between the increased diameter portion of the diaphragm retainer and the bonnet as the diaphragm retainer vertically moves.
Abstract: A fluid control device, capable of acquiring data related to an internal operation of a device, is provided. The Fluid control device V includes a bonnet part installing sensors for detecting the internal operation of the fluid control device and a valve body containing the bonnet part inside, and the valve body has a recess for containing the bonnet part and a slit, leading a communication cable connected to the sensors to the outside, opening one end on an opposite side of a base where a flow path is formed, and penetrating from an outside to the recess.
Abstract: An operation information collection system for a fluid control device configured as an operation information collection module includes a detected value acquisition unit acquiring a detected value of a state change or a device operation able to detect opening/closing operations from the fluid control device, a calculation processing unit calculating a rate of change of detected values separated by a predetermined time based on the detected value, and an operation information registration unit registering the rate of change of the detected values separated by the predetermined time to an operation information storage unit as an operation information of the fluid control device.
Abstract: A valve device is capable of precisely adjusting a flow rate variation with time, aging, or the like without using an external sensor or using as few external sensors as possible. The apparatus includes an adjusting actuator for adjusting the position of the operating member positioned at the open position, a communication unit for receiving adjustment information relating to the adjustment of the opening degree of the flow path by the valve element from the outside of the apparatus, and a control unit for adjusting the position of the operating member by driving the adjusting actuator based on the adjustment information.
Abstract: A valve device is capable of precisely adjusting a flow rate variation due to aging, aging, etc. without using an external sensor. An adjusting actuator includes a piezoelectric element for adjusting the position of the operating member positioned at the open position, and the drive circuit of the adjusting actuator includes a detecting unit for detecting an electric signal related to the amount of strain generated in the piezoelectric element, and a control unit for controlling the adjusting actuator so that the opening degree of the flow path by the valve element becomes the target opening degree based on the electric signal related to the amount of strain of the piezoelectric element.
Abstract: A valve device includes a valve body; a cylindrical member provided in an accommodation recess and communicating with the first flow path; a valve seat supported by the cylindrical member; a seal member interposed between the periphery of the opening of first flow path on the bottom surface of the accommodation recess and the lower end portion of the cylindrical member; an annular plate which is flexible, air-tightly or liquid-tightly fixed to an annular support portion formed on the inner peripheral surface of the accommodation recess, air-tightly or liquid-tightly fixed to an annular support portion formed on the outer peripheral surface of the cylindrical member and has a plurality of openings communicating with the second flow path; and a diaphragm that moves between an open position at which the diaphragm does not contact the valve seat and a closed position at which the diaphragm contacts the valve seat.
Abstract: To provide a manual tool excellent in workability and operability and capable of precise tightening torque management, a manual tool includes a grip including a bit holding part that detachably holds a bit, and a torque sensor that is of a magnetostrictive type, and includes a detecting part that is penetrated by the bit held by the bit holding part and surrounds an outer periphery of the bit, the torque sensor is capable of contactlessly detecting a torque acting on the bit, and is detachably provided to the grip. The torque sensor can be configured to be formed so as to be mountable to the grip with the bit mounted to the bit holding part of the grip.
October 23, 2018
Date of Patent:
October 18, 2022
FUJIKIN INCORPORATED, SASADA MAGNETICS AND SENSORS LABORATORY CO., LTD.
Abstract: To provide a control valve with excellent durability performance without being restricted in terms of applications, such as usages under high pressures or high temperatures, as well as reduced generation of particles. A valve body forming an inflow passage and an outflow passage of a fluid; a valve seat formed at a peripheral edge of the inflow passage in the valve body; a diaphragm configured to connect and shut off the inflow passage and the outflow passage by coming into and out of contact with the valve seat; a diaphragm holder configured to press a central portion of the diaphragm; and an actuator configured to move the diaphragm holder are provided, includes a regulation mechanism configured to adjust a closing pressure generated between the valve seat and the diaphragm to a predetermined pressure.
Abstract: A valve device with a built-in orifice is manufacturable with low-cost. The valve body defines an accommodation recess which opens at the surface of the valve body and contains a valve element therein, a primary flow path and a secondary flow path connected to the accommodation recess, the valve element having a sealing portion for blocking direct communication between the primary flow path and the secondary flow path through the accommodation recess, and a through flow passage for making the primary flow path and the secondary flow path communicate through the valve element, wherein an orifice is formed in the through flow passage.
Abstract: A valve device includes: a valve body that forms a first flow path and a second flow path; an inner disc that includes an inner annular part disposed around an opening of the first flow path, an outer annular part disposed on an outer peripheral side of the inner annular part, and a connecting part that includes a plurality of openings that communicates with the second flow path and that connects the inner annular part and the outer annular part; a valve seat disposed on the inner annular part; and a diaphragm that, at a peripheral edge part of the diaphragm, comes into contact with the outer annular part and makes the first flow path and the second flow path continuous and discontinuous by moving between an open position of non-contact and a closed position of contact with the valve seat.
Abstract: A fluid control device includes a first block row and a second block row each including a plurality of joint blocks having a width of the standard size and arranged along a first directions, the first block row and the second block row being arranged at predetermined intervals in the second directions perpendicular to the first directions, wherein each of the plurality of joint blocks constituting the first block row has a large diameter flow path for forming a single line, and each of the plurality of joint blocks constituting the second block row has a smaller diameter flow path than the large diameter flow path for forming the first line and the second line.
Abstract: A flow-path forming block includes: a first block; a second block attached to the first block, the second block having a first flow path and a second flow path; and a gasket provided between the first block and the second block, the gasket being configured to seal between the first block and the second block, wherein the second block has a communication portion formed on a surface facing the gasket, the communication portion being configured such that the first flow path and the second flow path are communicated, and the gasket has a recessed portion formed at a position facing the communication portion.