Abstract: In a compressed-fluid discharge control device, there are formed a valve chamber communicated with a discharge channel and supply channels for supplying a compressed fluid, and a pilot chamber into which the compressed fluid is introduced from the supply channels. A diaphragm valve for communicating or cutting off communication of the supply channels and the discharge channel seats on or separates from a valve seat provided in the valve chamber. Pilot channels through which a compressed fluid supplied to the pilot chamber passes are formed in the diaphragm valve. The compressed-fluid discharge control device has a pilot chamber opening/closing valve for opening or closing the pilot chamber. The pilot chamber opening/closing valve includes a solenoid valve which is opened in response to energization thereof and closed in response to de-energization thereof.

Abstract: A shaft sealing structure includes a V-packing; a first guide bush attached to an inner circumference of the holder; and a scraper arranged at an end of the holder. The V-packing is formed of a thick-walled top portion, a thin-walled inner side skirt portion extending diagonally inward from the top portion, and a thin-walled outer side skirt portion extending diagonally outward from the top portion. The inner side skirt portion slidably contacts an outer surface of the rod at a distal end of the inner side skirt portion, and the outer side skirt portion abuts against an inner surface of the holder at a distal end of the outer side skirt portion. The top portion is sandwiched between the scraper and the first guide bush, and the inner and outer side skirt portions are freely deformable inside a space formed between the first guide bush and the scraper.

Abstract: The present invention pertains to an air cylinder (10) in which flow rate controllers (24, 24A) are built into a head cover (14) and a rod cover (16), said flow rate controllers (24, 24A) being provided with a first flow rate adjustment part (28) connected between a port (14a, 16a) and a cylinder chamber (12c), a second flow rate adjustment part (32) provided adjacent to the first flow rate adjustment part (28), and a pilot check valve (38) connected in series to the second flow rate adjustment part (32). In response to the pressure of pilot air, the pilot check valve (38) switches between a state in which the passage of exhaust air from the cylinder chamber (12c) is permitted and a state in which the passage of exhaust air is prevented.

Abstract: An intermittent air discharge fluid circuit includes a main valve including a discharge pilot chamber and a pilot valve including an air supply pilot chamber. The main valve is switched between a first position in which the air supply pilot chamber is connected to an air supply source and a discharge port is open to atmosphere, and a second position in which the air supply pilot chamber is open to atmosphere and the discharge port is connected to the air supply source. The pilot valve is switched between a first position in which the discharge pilot chamber is open to atmosphere and a second position in which the discharge pilot chamber is connected to the air supply source.

Abstract: A humidity measuring device is equipped with a measurement unit including a temperature sensing element, a humidity sensing element, a casing including an accommodating section in which the measurement unit is accommodated, and a display unit including a display device which is fixed to the casing. A coupling tube connected in the middle between tube portions through which the gas flows enables gas to flow between one of the tube portions and another of the tube portions. The coupling tube includes an orifice, a filter is mounted in the coupling tube, and the casing includes a first tube and a second tube to connect the coupling tube and the accommodating section, and to enable the gas to flow between the coupling tube and the accommodating section.

Abstract: [Object] To provide a manifold air pressure feeder and a manifold block for use in the manifold air pressure feeder that yield reductions in the piping installation work and other workloads associated with a pressure sensor configured to determine the pressure of compressed air in the manifold block and save installation space. [Solution] An air pressure feeder 1 includes a manifold block 10 and a switching valve block 30. A first port group and a first flow path group are located in the manifold block 10. The switching valve block 30 includes a spool 33 to perform switching between communication states of a plurality of ports in a second port group. These blocks are linked directly or indirectly to each other via an ejector including a connection flow path group that forms a connection between each port in one of the port groups and the corresponding port in the other ort group.

Abstract: A flow rate controller and a drive device are provided with a first flow passage connected between an operation switching valve and an air cylinder, and that supplies air to and discharges air from a cylinder chamber of the air cylinder; a first flow rate adjustment part provided in the first flow passage; a second flow passage adjacent to the first flow passage; a pilot check valve provided at a point along the second flow passage; a second flow rate adjustment part connected in series to the pilot check valve at a point along the second flow passage; a pilot air flow passage, one end of which communicates with the operation switching valve and the other end of which is connected to a pilot port of the pilot check valve; and a third flow rate adjustment part provided in the pilot air flow passage.

Abstract: A first MR sensor and a second MR sensor are a combination of a first magnetic resistance effect element pattern and a second magnetic resistance effect element pattern. The first MR sensor and the second MR sensor are disposed a prescribed distance apart such that, when the first MR sensor receives the greatest quantity of the magnetic field component of a magnet oriented parallel to the axial direction of a piston, the second MR sensor receives the greatest quantity of the magnetic field component of a magnet oriented parallel to the radial direction of the piston.

Abstract: In a cylinder drive device, a throttle valve and a second check valve are provided between a switch valve and a first cylinder chamber of a fluid pressure cylinder. The cylinder drive device has a flow channel unit which is interposed between a manifold and the switch valve, which allows communication between the throttle valve and the second check valve and switch valve, and which communicates with a plurality of holes in the manifold to allow a fluid to flow to the switch valve.

Abstract: A magnet chuck has a piston assembly including a tube shaped permanent magnet and a core yoke able to move on the interior of a cylinder tube. The permanent magnet is provided on the outer periphery of the core yoke, is magnetized in the radial direction, and a magnetic sensor is attached to the side surface of the cylinder tube.

Abstract: A retainer that holds a plurality of first balls is arranged between a slide body constituting a slide portion and a base plate constituting a table portion, the plurality of first balls are arranged around an axis of the slide portion that coincides with the Z-axis, and a single second ball is arranged on the axis of the slide portion between a ball receiving plate constituting the slide portion and a ball receiving plate constituting the table portion.

Abstract: A solenoid valve control device includes a control module that outputs control signals to control solenoid valves, and a plurality of solenoid valve modules having control lines connected to the control module and that transmit the control signals to the solenoid valves, wherein the solenoid valve modules are connected to the control module or another of the solenoid valve modules, and each of the solenoid valve modules includes a data line that transmits to the control module pressure information detected by a pressure sensor that detects the pressure of air supplied to a pneumatic device.

Abstract: 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.

Abstract: A stroke adjustment mechanism includes an adjustment block attached to a slide table and a stopper attached to a cylinder body. A side wall portion of the slide table includes three or more screw holes arranged in the moving direction of the slide table. Two adjustment block mounting bolts are inserted into the adjustment block and selectively screwed into adjacent screw holes of the plurality of screw holes.

Abstract: 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.

Abstract: In an industrial wireless communication system. a base wireless device has a synchronous connection transmission unit for broadcasting a synchronous connection signal to achieve synchronous connection to a remote wireless device in only a single synchronous connection period which is an integral multiple of a hopping period. The synchronous connection transmission unit sequentially switches communication frequencies for synchronization so as to transmit the synchronous connection signal with a plurality of communication frequencies for synchronization within one hopping period. A synchronous connection reception unit sequentially switches communication frequencies for synchronization with a switching period which is longer than the hopping period and shorter than twice the hopping period, so as to perform a reception wait process for the synchronous connection signal with a plurality of communication frequencies for synchronization.

Abstract: A base wireless device includes plural transmission buffers storing plural signals having transmission destinations that are different from each other, a transmission processing unit transmitting the signals to plural remote wireless devices respectively, by transmitting the signals stored in the plural transmission buffers in a predetermined order, regardless of whether or not each transmission has been made successfully, and a storage control unit, wherein when a transmission of a signal stored in one of the transmission buffers has been made successfully, the storage control unit overwrites the one transmission buffer from which the transmission has been made successfully, with another signal to be transmitted to a transmission destination that is different from a transmission destination of a signal stored in a transmission buffer other than the one transmission buffer from which the transmission has been made successfully, among the plural transmission buffers.