Abstract: A sensor chip of a sensor element includes a diaphragm for measuring a differential pressure between a first pressure and a second pressure, a diaphragm for measuring an absolute pressure or a gauge pressure of the second pressure, a first pressure introduction path that transmits the first pressure to the diaphragm for measuring a differential pressure, and a second pressure introduction path that transmits the second pressure to the diaphragms. When the transmission of the first pressure or the second pressure to the diaphragms is indicated by an equivalent circuit, a path for transmitting the first pressure and a path for transmitting the second pressure are symmetrically formed.

Abstract: A detection device includes a light projection unit that projects light to a detection region, a lens that focuses the light having been projected from the light projection unit and reflected by the detection region, an image sensor that includes a plurality of light receiving elements and receives the light focused by the lens for each of the light receiving elements, a distance calculation unit that calculates, on the basis of a result of light reception by the image sensor, a distance to an object present in the detection region with a TOF method for each of light reception positions at which the light receiving elements are located, and a position calculation unit that calculates a position of the object present in the detection region on the basis of the distance calculated by the distance calculation unit for each light reception position.

Abstract: A transport device having a plate; a conveyor to transport articles; a pusher to push and move a row of articles on the conveyor onto the plate; and a stopper to prevent the articles from being moved by the conveyor and to define the start of a row of articles being moved onto the plate by the pusher. The conveyor causes the positions of rows of articles stopped by the stopper to move alternately so that the positions of rows of articles moved onto the plate are shifted alternately.

Abstract: A pressure sensor (100) includes a diaphragm (3); a semiconductor chip (1) that includes a plurality of resistors (R1 to R4) constituting a strain gauge and that has a square shape in plan view; four first structures (2a to 2d) each having one end joined to a region of the second main surface of the diaphragm that is deformed when a pressure is applied to a first main surface (1A) of the diaphragm and having other ends respectively connected to four corners of the semiconductor chip, the first structures extend downward to a second main surface (3B); and a second structure (2e) having one end joined to a center (30) of the diaphragm on the second main surface in plan view and having the other end joined to a center (10) of the semiconductor chip in plan view, the second structure extending downward to the second main surface.

Abstract: A pressure sensor includes a movable electrode formed in a movable region of a diaphragm, and a fixed electrode formed opposite to the movable electrode. A pressure receiving surface of the diaphragm is held in an inactive state. The inactive pressure receiving surface of the diaphragm is in a state in which molecules of gas to be measured are hard to absorb onto the pressure receiving surface. The pressure receiving surface of the diaphragm can be made inactive by predetermined surface treatment. A layer for making the pressure receiving surface of the diaphragm inactive is formed by the surface treatment, and the pressure receiving surface of the diaphragm is held inactive with the presence of the layer.

Abstract: A cell survival rate determining device includes a survival rate calculation unit calculating the survival rate of cells in a cell population based on a peak wavelength giving a peak intensity of autofluorescence emitted by the cell population and a peak wavelength of excitation light giving the peak intensity of autofluorescence; and a determination unit determining whether the calculated survival rate of cells is reliable or not based on an amount of a shift and a direction of the shift per unit time in the peak wavelength of autofluorescence and an amount of a shift and a direction of the shift per unit time in the peak wavelength of excitation light.

Abstract: A pressure sensor includes a sensor diaphragm, a pressure-chamber defining member joined to a sensor diaphragm, the pressure-chamber defining member including a recess and a through hole that is open in the recess, the recess having an opening closed by the sensor diaphragm, a connecting pipe having a first end portion inserted into the through hole while being exposed to the recess and bonded to the hole with an adhesive, and a pressure transmission medium filled in the recess and the connecting pipe. A space is disposed around the first end portion of the connecting pipe, and the adhesive is not disposed at the first end portion of the connecting pipe.

Abstract: A thermal flowmeter includes: a first thermal resistive element disposed on a pipe and sensing a first temperature of a fluid; a second thermal resistive element disposed on the pipe downstream relative to the first thermal resistive element and sensing a second temperature thereof; a control unit causing the second thermal resistive element to generate heat so that the second temperature is kept higher than the first temperature by a predetermined value; a power measurement unit measuring a power supplied to the second thermal resistive element; a temperature difference gradient calculation unit calculating a gradient of a difference between the second and first temperatures; a power compensation unit compensating the measured power based on the gradient of the difference and a value of the power when no fluid is in the pipe; and a flow rate calculation unit calculating a flow rate of the fluid based on the compensated power.

Abstract: A pressure sensor chip includes a first layer including a pressure introduction channel opening on a first main surface and a second main surface; a second layer including a diaphragm covering one end of the channel, a first strain gauge, and a second strain gauge, the second layer being on the second main surface; and a third layer including a third main surface and a concaved portion disposed at the third main surface, the third main surface being on the second layer. The concaved portion faces the channel with the diaphragm interposed therebetween, and is on an inner side of the channel when viewed from a direction perpendicular to the first main surface. The first strain gauge is on an outer side of the concaved portion when viewed from the direction. The second strain gauge is on an inner side of the first strain gauge when viewed from the direction.

Abstract: A flame detection system includes: a UV sensor that serves as a flame sensor detecting a UV ray generated by a flame; an application voltage generation unit that applies a driving voltage to the UV sensor; a discharge detection unit that detects a discharge in the UV sensor; a discharge count unit that counts the number of detected discharges; a discharge probability calculation unit that calculates a discharge probability on the basis of the number of discharges counted by the discharge count unit and the number of times the driving voltage is applied; a UV intensity determination unit that determines an intensity of the UV ray on the basis of the discharge probability; and a determination result output unit that outputs the intensity of the UV ray determined by the UV intensity determination unit via display or communication.

Abstract: A thermal type flowmeter includes a sensor and a flow-rate calculating unit. The sensor includes a heater that heats a fluid to be measured. The sensor is configured to output a sensor value corresponding to a state of thermal diffusion in the fluid heated by the heater which is being driven in such a manner that a difference between a temperature of the heater and a temperature of the fluid at a location free from thermal influence of the heater is equal to a predetermined temperature difference. The flow-rate calculating unit is configured to calculate a flow rate of the fluid from the sensor value by using a flow-rate calculation equation, “sensor value=transformation coefficient A×log (flow rate)2+transformation coefficient B×log (flow rate)+transformation coefficient C”.

Abstract: A thermal flowmeter includes a casing, a ferrule, a measuring tube penetrating through the ferrule, a sensor for flow rate detection, a joint shaft movably supported by end portions of the casing, one end portion of the joint shaft being connected to the measuring tube and the ferrule with a through hole of the joint shaft and a hollow portion of the measuring tube communicating with each other, the other end portion of the joint shaft sticking out of the casing, and a screw thread-fitted to each of the end portions of the casing, and including a pressing portion pressing the joint shaft into an inside of the casing. A seal structure includes a first tapered surface formed on the ferrule and a second tapered surface formed on the joint shaft and fitting the first tapered surface, and is provided between the ferrule and the joint shaft.

Abstract: An actuator includes: a fixed internal gear that is formed in an annular shape, has a tooth on an inner peripheral surface thereof, and is non-rotatably provided; a movable internal gear that is formed in an annular shape, has a tooth on an inner peripheral surface thereof, and is rotatably provided coaxially with the fixed internal gear; a plurality of external gears that mesh with the fixed internal gear and the movable internal gear, and rotate along an inner peripheral surface of the fixed internal gear; and a carrier that is formed in an annular shape, rotatably supports the external gears, has a tooth for receiving a turning force from a drive motor on an outer peripheral surface thereof, transmits a turning force from the drive motor to the external gears, and is rotatably provided coaxially with the movable internal gear.

Abstract: A particle detecting device includes a chamber 30; a first introduction flow path 225 for introducing a particle-containing fluid into the chamber 30; a second introduction flow path 235 for introducing a particle-free fluid into the chamber 30; a light source 10 configured to illuminate fluid in the chamber 30 to detect particles contained in the fluid; a discharge flow path 260 for discharging fluid from the chamber 30; an introduction flow meter 245 configured to measure a flow rate of fluid flowing through the second introduction flow path 235; and a control unit 301 configured to perform control such that a fluid having a total flow rate obtained by adding a predetermined flow rate of fluid flowing through the first introduction flow path 225 to a flow rate of fluid flowing through the second introduction flow path 235, the flow rate being measured by the introduction flow meter 245, flows through the discharge flow path 260.

Abstract: A regulating valve includes a valve body having a cylindrical portion, a valve stem inserted into the cylindrical portion and coupled to the valve body, and a locking member, in which the valve body includes a female screw including threads formed on an inner wall of the cylindrical portion and a plurality of first holes penetrating through an inner wall and an outer wall of a region of the cylindrical portion, the region having no threads of the female screw, in which the valve stem includes a male screw having threads formed on a surface close to the other end of the valve stem and at least one second hole formed in a region of the surface close to the other end of the valve stem, the region having no threads of the male screw.

Abstract: A pin-fastening structure includes a first shaft portion provided in a valve shaft; a cylindrical portion into which the first shaft portion is fitted, the cylindrical portion being provided in a valve body; and a connecting pin that passes through both the first shaft portion and the cylindrical portion in a state in which the first shaft portion is fitted into the cylindrical portion and that restricts relative movement of the first shaft portion and the cylindrical portion in an axial direction. The first shaft portion has a first end surface perpendicular to the axis of the valve shaft. The cylindrical portion has second end surfaces perpendicular to the axis of the valve body. The first shaft portion and the cylindrical portion are fastened by the connecting pin in a state in which the first end surface and the second end surfaces are in contact with each other.

Abstract: A temperature management apparatus comprising: a temperature management furnace having a space in which an article placed and for which temperature management is carried out; rod members that include magnetic material; opposing members that respectively oppose portions of the lateral sides of the rod members and include magnetic material; drive apparatuses, which rotates the rod members around the central axis axes thereof and changes the relative positions of the rod members and the respective opposing members; and a coupling degradation monitoring unit 301 for predicting or detecting degradation in the respective coupling between the rod members and the respective opposing members.

Abstract: A rotation control apparatus includes a relative position sensor that contactlessly detects the mechanical displacement amount of a shaft to be actuated in a direction of rotation, absolute position sensors that are provided at mutually different positions within a rotatable range of the shaft to be actuated and each output a detection signal when the shaft to be actuated has reached its corresponding position, and a position calculating unit that calculates an absolute position of the shaft to be actuated in the direction of rotation on the basis of an integrated value of the mechanical displacement amount since the detection signal is output and a reference value indicating a position corresponding to the absolute position sensor that has output the detection signal. At least one of the absolute position sensors is provided to correspond to a third position excluding a first position and a second position within the rotatable range.

Abstract: A pipe hole to which a measuring pipe is to be press-fitted is formed in a printed board, and a guide to be fitted to a side end portion of the printed board inserted through an opening is formed on or in an inner wall of a case.

Abstract: Aiming to more easily perform calibration of a sensor output from a pressure sensor, the calibration being necessitated due to the occurrence of sedimentation, a resonance point measurement unit (122) measures a resonance point of a diaphragm (112) on the basis of the result obtained by performing measurement of a constant pressure using the pressure sensor while a power supply frequency is changed, a characteristic calculation unit (123) calculates, on the basis of the measured resonance point, an elastic modulus of the diaphragm (112) at the time of the measurement of the resonance point, and a correction unit (124) calculates a corrected sensor sensitivity resulting from correcting a sensor sensitivity of a sensor chip (101) on the basis of the elastic modulus calculated by the characteristic calculation unit (123).