Abstract: The present invention relates to steel sheet realizing both formability and weldability. The steel sheet of the present invention is characterized in that at a surface layer part of a region down to 30 ?m from the surface of the steel sheet in the sheet thickness direction, Al oxide grains are present in 3000 to 6000/mm2 in number density, the natural logarithms of the particle sizes of the Al oxide grains measured in ?m units are on the average ?5.0 to ?3.5, the standard error is 0.6 or less, and the number of Al oxide grains with deviations of the natural logarithms of the particle sizes from the average larger than 2 times the standard error is 5% or less of the total number of Al oxide grains and at a position of ½ of the thickness of the steel sheet, the number density of the Al oxide grains is 1000/mm2 or less.

Abstract: An airbag includes: a bag main body: and regulating units configured to regulate an expansion completed shape of the bag main body. The bag main body has an expansion completed shape as a substantially square cylindrical shape, where a hollow portion which penetrates substantially along a left-right direction is provided and a circumference of the hollow portion is surrounded by an upper expansion portion and a lower expansion portion and a front expansion portion and a rear expansion portion. The regulating units are arranged at a plurality of horizontally symmetrical locations centered on a center of the bag main body on the left-right directional side and each of the regulating units is configured to straddle the hollow portion when viewed from a lateral side in the left-right direction and at least an upper edge side and a lower edge side are connected to the bag main body side.

Abstract: An occupant protection device includes: an airbag including an upper inflating portion and a lower inflating portion, and a rear inflating portion having a restraint surface that receives the occupant, the airbag being provided with a hollow portion penetrating in a left-right direction in a center; and a protrusion length adjustment unit configured to adjust a protrusion length from the accommodation position to the restraint surface in the airbag. An exhaust port configured to exhaust the inflation gas is disposed on an inner peripheral surface side in the vicinity of an intersection portion between the upper inflation portion and the lower inflation portion of the airbag. When the protrusion length by the protrusion length adjustment unit is adjusted to be long, the upper inflation portion and the lower inflation portion approach each other, so that an edge member approaches the exhaust port, thereby reducing an exhaust amount.

Abstract: To diagnose an abnormality of a fluid control device from an operation of an entire fluid supply line including a plurality of fluid control devices. Provided is an abnormality diagnosis method of a fluid supply line including a plurality of fluid control devices F, V1, and V2 communicating with each other fluid-tightly.

Abstract: The present invention relates to steel sheet realizing both formability and weldability. The steel sheet of the present invention is characterized in that at a surface layer part of a region down to 30 ?m from the surface of the steel sheet in the sheet thickness direction, Si oxide grains are present in 3000 to 6000/mm2 in number density, an average of natural logarithms of the particle sizes of the Si oxide grains measured in m units is ?2.0 to ?1.2, the standard error of the natural logarithms of the particle sizes is 0.6 or less, and the number of Si oxide grains with deviations of the natural logarithms of the particle sizes from the average larger than 2 times the standard error is 5% or less of the total number of Si oxide grains and at a position of ½ of the thickness of the steel sheet, the number density of the Si oxide grains is 1000/mm2 or less.

Abstract: A valve device with which a flow rate can be adjusted precisely includes: an operating member for operating a diaphragm provided in such a way as to be capable of moving between a closed position in which the diaphragm closes a flow path and an open position in which the diaphragm opens the flow path; a main actuator for moving the operating member to the open position or the closed position in response to the pressure of a supplied driving fluid; an adjustment actuator for adjusting the position of the operating member positioned in the open position; and a position detecting mechanism for detecting displacement of the operating member with respect to a valve body.

Abstract: High strength steel sheet having a tensile strength of 800 MPa or more comprising a middle part in sheet thickness and a soft surface layer arranged at one side or both sides of the middle part in sheet thickness, wherein each soft surface layer has a thickness of more than 10 ?m and 30% or less of the sheet thickness, the soft surface layer has an average Vickers hardness of 0.60 time or less the average Vickers hardness of the sheet thickness ½ position, and the soft surface layer has a nano-hardness standard deviation of 0.8 or less is provided.

Abstract: The present invention is intended to improve the accuracy of control of a material gas by providing a valve with simplified wiring and a fluid supply line equipped with the valve. A valve V includes a valve body 3 and a driving pressure control device 4 coupled to the valve body 3.

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: A valve device includes: a body in which an in-flow path and an out-flow path are formed; a valve element that is configured to open and close the in-flow path and the out-flow path; a stem that is configured to move closer to and away from the body in order to cause the valve element to allow and block communication between the in-flow path and the out-flow path; a stroke adjustment portion that is configured to adjust an amount of stroke of the stem; and a displacement sensor that is configured to detect displacement of the stem.

Abstract: Provided is a fluid control device that can have a small size, while a member for detecting abnormality of the fluid control device is incorporated. In addition, a result of detecting an abnormality of the fluid control device is made easily recognizable from the outside. A fluid control device 1 includes an information processing module 5 provided in the device, a valve body 11 having a flow path, an actuator body 12 fixed to the valve body 11, a hollow casing 13 that is fixed to the actuator body 12 and has a side surface on which a through hole 133d is formed, a piston 126 that is provided in the actuator body 12 and in which a driving pressure introduction path 126b that communicates with a driving pressure introduction chamber S2 is formed, and an introduction pipe 21 through which driving pressure is introduced, the introduction pipe 21 having one end inserted to the driving pressure introduction path 126b and another end leading to an outside through the through hole 133d of the casing 13.

Abstract: An alkaline battery includes a bottomed tubular battery can made of metal, serving as a positive electrode current collector; a positive electrode mixture sealed in the battery can and formed in a cylindrical shape, the positive electrode mixture containing manganese dioxide as a positive electrode active material and containing a binder including fluorine resin such that a ratio of the binder to the positive electrode active material is 0.2 wt % or more and 0.8 wt % or less; a bottomed tubular separator sealed in the battery can and arranged on an inner peripheral side of the positive electrode mixture; a gel-form negative electrode mixture sealed in the battery can, arranged inside the separator, containing zinc powder as a negative electrode active material; and an electrolyte that includes an alkaline aqueous solution, sealed in the battery can.

Abstract: The present technology provides a technology for stabilizing break-off timings. Therefore, according to the present technology, there is provided a microparticle analysis device or the like including at least: a flow path in which a fluid including a sample flow containing microparticles and a sheath flow flowing to contain the sample flow; a droplet formation unit configured to form a droplet in the fluid by imparting vibration to the fluid using a vibration element; an electric charge application unit configured to apply electric charge to a droplet containing the microparticles; an imaging unit configured to obtain a photo of a phase of a certain time; and a control unit configured to control a timing at which the droplet breaks off on a basis of the photo.

Abstract: A fluid control device, capable of detecting leaks even if the leaks is slight, is provided. Further, a fluid leak abnormality is identified as a change accompanying an operation of the fluid control device and the fluid leaks is detected with high accuracy. A fluid control device, having a flow path and a closed space isolated from the flow path by a diaphragm and capable of detecting an abnormality, includes a pressure sensor detecting a pressure inside of the closed space, a processing module executing a predetermined information process, and an operation detecting mechanism detecting an operation of the fluid control device. The processing module executes a discriminating process discriminating abnormality of the fluid control device by comparing a detected value detected by the pressure sensor with a predetermined threshold value, and a correcting process correcting the predetermined threshold value in accordance with the operation of the fluid control device.

Abstract: An entire fluid supply line or an entire fluid controller constituted by a plurality of fluid control devices is precisely monitored. A fluid controller accumulating and having a plurality of fluid control devices. The fluid control devices include an operation information acquisition mechanism acquiring an operation information in the fluid control devices, an identification information storage storing a self-identification information, and a communication processing unit transmitting the operation information acquired by the operation information acquisition mechanism to an external terminal with the self-identification information stored in the identification information storage at different timings for each of the fluid control devices.

Abstract: An electromagnetic valve has an inlet port and an outlet port. The electromagnetic valve is configured to open and close a driving fluid passage communicating the inlet port and the outlet port. The electromagnetic valve includes: a housing; a solenoid that includes a bobbin having a coil wound therearound; a moving core that is provided on an axis of the bobbin and is disposed movably in an axial direction; a stationary core that is provided on the axis of the bobbin and is fixed in the housing; and a valve that is configured to be movable together with the moving core and opens and closes the driving fluid passage. The inlet port is opened on one surface side of the housing in the axial direction of the bobbin while the outlet port is opened on the other surface side of the housing in the axial direction of the bobbin.

Abstract: A diaphragm valve capable of preventing fluid in a diaphragm valve from leaking to the outside due to breakage of a diaphragm includes a valve body that defines a flow path through which fluid flows and an opening that opens to the outside in a middle of flow path; a flexible partition member that covers the opening and separates the flow path from the outside, and changes a cross-sectional area of the flow path; a flexible support member disposed on a rear surface side opposite to a flow path side of the flexible partition member; a housing that is fixed to the valve body via peripheral portions of the flexible partition member and the flexible support member; and a humidity sensor that detects a state of an atmosphere or a change thereof in a space defined by the flexible support member and an inner surface of the housing.

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: A centrifugal blower includes a centrifugal fan and a separation cylinder. The centrifugal fan has a separation plate. The separation cylinder is disposed inward of the blades in the radial direction of the centrifugal fan. The separation plate has an inner end surface extending from the one side to the other side in the axial direction at a position of an inner end in the radial direction. The separation cylinder has a separation cylinder end surface extending from the one side to the other side in the axial direction at a position of an end on the other side in the axial direction. A height of one of the separation cylinder end surface and the inner end surface in the axial direction is larger than a height of the other of the separation cylinder end surface and the inner end surface in the axial direction.