Abstract: A device and method for manufacturing in one working stroke in one working direction (A) a can body with cylindrical wall and a neck section of lower diameter. The device has a drivable drawing ring used for deep-drawing of a cup from a round, disk-like blank in a first phase of the working stroke. The cup is drawn with an ironing mandrel into an ironing channel and formed into an ironed workpiece. Finally, a stretch-forming mandrel is moved out of a guide recess of the ironing mandrel and forms the neck section in a stretch-drawing phase, in conjunction with a forming depression of a domer.

Abstract: An adjustment compensator device for a press brake die includes an elongate engagement member, an elongate die holder, an elongate primary adjustment wedge and at least two elongate secondary adjustment wedges. The elongate primary adjustment wedge is positioned between and extending along at least a portion of the elongate engagement member and the elongated die holder, and at least a portion of primary adjustment wedge is adjustable in a direction transverse to an elongate length of the engagement member. The at least two elongate secondary adjustment wedges have a length wherein each of the secondary adjustment wedges is less than a length of the primary adjustment wedge. The elongate secondary adjustment wedges are positioned end to end in a direction along a length of the die holder and positioned between the engagement member and the die holder. Each of the elongate secondary adjustment wedges is adjustable in a direction transverse to the elongate length of the engagement member.

Abstract: An apparatus for detecting particulate and a correction method of the apparatus for detecting particulate matter that detects particulate matter within a gas to be measured are provided. The correction method corrects the individual differences inevitably occurring during the manufacturing process of particulate matter detection sensors. The apparatus for detecting particulate matter includes an applied voltage correction means. The applied voltage correction means applies correction information acquired by the correction method to detection control.

Abstract: A device for diagnosing an exhaust gas sensor, in particular a linear oxygen probe, for an internal combustion engine. A diagnostic unit is configured to control a first and a second current source in a coordinated manner in order to generate a first and a second current. Each of the currents has a predefined polarity sign, and is designed to determine the first and/or second and/or third voltages applied at a first and/or second and/or third terminal when first and second currents flow and put the amounts of the voltages in relation to the coordinated currents such that line interruptions and/or short circuits can be detected at the first and/or second and/or third terminal.

Abstract: According to one aspect of the invention, a force measurement system includes a force measurement assembly, a motion base configured to displace the force measurement assembly, and an inertial compensation system configured to determine the inertial forces and/or moments resulting from the displacement of the force measurement assembly by the motion base. According to another aspect of the invention, a method for accurately determining the forces and/or moments applied to a surface of a force measurement device by a subject disposed thereon is disclosed, which includes the step of determining, by using an inertial compensation system, the inertial forces and/or moments resulting from the displacement of a force measurement assembly by a motion base. According to still another aspect of the invention, a force and/or motion measurement system having inertial compensation includes a motion acquisition system having a plurality of motion sensing devices configured to capture a subject's movement.

Abstract: In the course of the method for detecting the wear of a tyre (10) comprising a set of at least one sonic wear gauge (18) emitting an acoustic footprint noise comprising several acoustic footprint elementary frequency components, an acoustic signal liable to comprise the acoustic footprint noise is acquired (100), the acoustic signal comprising several elementary frequency components acquired in the frequency domain; several series of elementary frequency components are enumerated (206), each enumerated series being liable to form some part of the acoustic footprint elementary frequency components; an acoustic footprint series is selected (302) from among the enumerated series; a local confidence index of the acoustic footprint series is determined (306); if a confidence index determined on the basis of the local confidence index is greater or less than a predetermined threshold, an alert of the wear of the tyre (10) is emitted.

Abstract: In the course of the method for detecting wear of a tyre comprising a tread and exhibiting at least two predetermined thresholds Si of radial wear: beyond each threshold Si, the tread is devised so that it comprises NEi set(s) of sonic cavities associated with the threshold Si; and for each threshold Si, Kmin is the minimum value of the values of ki with: ki=NEi/NEi-1 when for the value of i ? [2, M], NEi/NEi-122 1, or ki=NEi-1/NEi when for the value of i ? [2, M], NEi-1/NEi>1 for each threshold, an acoustic footprint noise emitted by the sonic cavity or cavities associated with this threshold is detected at a speed V, and the value of the speed V for detecting the acoustic footprint noise is limited to an interval I=]Vmin; Vmax] satisfying Vmax?kmin·Vmin.

Abstract: On the basis of a surface shape appearing at a predetermined point moment by moment during rotation of a golf ball having numerous dimples on its surface, a data constellation regarding a parameter dependent on a surface shape of the golf ball is calculated. A preferable parameter is a distance between an axis of the rotation and the surface of the golf ball. Another preferable parameter is a volume of space between a surface of a phantom sphere and the surface of the golf ball. Fourier transformation is performed on the data constellation to obtain a transformed data constellation. On the basis of a peak value and an order of a maximum peak of the transformed data constellation, an aerodynamic characteristic of the golf ball is determined. The peak value and the order of the maximum peak are calculated for each of PH rotation and POP rotation.

Abstract: An evaluation method for hit feeling of a sport implement according to the present invention includes an acceleration measurement step for measuring acceleration of a sport hitting tool 4 and a data analysis step for analyzing data obtained in the measurement. In the data analysis step, an amount of change in acceleration in a first cycle of vibration after hitting is calculated. The evaluation method evaluates hit feeling to be felt by a person, using the amount of change in the acceleration. Preferably, in the data analysis step, an amount of change in acceleration in the first cycle of predetermined time is calculated. The predetermined time is within 1.5 msec from the time of hitting. Preferably, the sport hitting tool 4 has the hitting section detachably attached to a shaft section.

Abstract: Systems and techniques for the analysis of gases for medical purposes are described. In one aspect, a system includes a sample collector to collect a physical sample associated with an individual and present a gas sample for analysis, a gas analysis device to analyze the gas sample presented by the sample collector to determine a concentration of one or more non-aqueous gases in the gas sample, a data storage device that includes information reflecting a correlation between concentration of the one or more non-aqueous gases in the gas sample and a disease state, and a data analysis device to determine a medical condition of the individual based on the concentration of one or more non-aqueous gases in the gas sample and the information.

Abstract: The present invention relates to a device for detecting volatile substances characterized in that it comprises a containment box (20) having at least one inlet opening (30) for the introduction of a gas flow, preferably chromatographic degree air, one or more outlet openings (41, 42) of said gas flow, at least one analysis opening (71), one or more detection sensors (51, 52, 53, 54, 55, 56) arranged within said containment box (20), and at least one probe (80), insertable within said containment box (20) through said at least one analysis opening (71), so that, when said probe (80) is treated beforehand by a sample of a substance to be examined and it is inserted within said containment box (20), said gas flow uniformly carries the volatile substances from said sample to said one or more sensors (51, 52, 53, 54, 55, 56). Present invention also concerns a detection apparatus and a detection method for volatile substances.

Abstract: A photoacoustic detection device including a nanophotonic circuit including a first chip on which is formed at least one optical waveguide and in which is formed a set of cavities defining a Helmholtz resonator; at least one optical source capable of emitting an optical signal in a given wavelength range, capable of being modulated at an acoustic modulation frequency, this source being attached to the first chip; a second chip forming a cap for said cavities and including acoustic sensors; and electronic circuits for processing the output of the acoustic sensors formed in the first or the second chip.

Abstract: A device for generating a magnetic field, the device comprises a coil configured to respond to an electric current, a magnetic core comprising poles configured to generate a magnetic field close to the poles, wherein the magnetic field makes a paramagnetic gas component vibrate and emit an acoustic signal, wherein the magnetic core is surrounded at least partly by the coil, and a substrate at least partly covered by the magnetic core and the coil.

Abstract: A device for controlling an exhaust gas sensor that is alternatively configured as a limiting-current probe or as a two-cell probe. In each case, the probe has a reference cavity made of a ceramic material and a cell made of a material conducting oxygen ions. A controller has one input variable that is a measured sensor voltage dependent on an oxygen concentration in the sealed cell. The other input variable is a reference voltage. The output variable of the controller is a current which is to be applied to the cell and which allows the sensor voltage to be regulated to a predefined value. The device for controlling the limiting-current probe is designed to process the applied current in one of the input variables of the controller.

Abstract: The invention provides a gas sensitive material made from microcrystalline selenium (preferably selenium nanowire) and a gas sensor having an element structure wherein the gas sensitive material is disposed between two electrodes. The invention allows for the kind of organic gas to be distinguished, because microcrystalline selenium reacts with organic gas molecules with high sensitivity at room temperature without being influenced by humidity, and the magnitude of change of the value of the current flowing at a fixed voltage varies depending on the kind of an organic gas to be sensed.

Abstract: The invention relates to a method for monitoring a leak detector comprising: a secondary vacuum pump designed to be connected to a primary vacuum pump, the secondary vacuum pump comprising a motor, a rotor and a stator, the said rotor being capable of being rotated in the stator by the motor when the motor is powered, and at least one information means capable of being powered electrically, in order to inform a user of the operating state of the leak detector, characterized in that, in the event of the motor power supply being cut off, the kinetic energy of rotation of the secondary vacuum pump rotor in the form of electrical power (101) is recovered in order to power the information means (102). The invention also relates to a leak detector (1) using the said monitoring method.

Abstract: An automotive leak detection system that includes means for forming a secure, leak-proof interconnection between a source of pressurized leak detection vapor and the automobile engine's air induction system ducting or hose. The system includes a sealing mechanism that is specially contoured and configured to matingly interconnect about the opening defined about the distal-most end of the air induction system ducting or hose such that the sealing device and hose form a secure, leak-proof interconnection. The sealing device may be provided with a customized periphery that is designed to correspond and matingly engage with the footprint or specific configuration of the distal end of the air induction system ducting or hose of a specific car manufacturer and/or specific make and model air induction system ducting or system.

Abstract: In a test pressurizing system for hose such as fire hose a device (10) is arranged for bearing of pressurized hose (1) in a way that it is surrounded by protective wall parts (20). Further there is provided a mechanism (40), arranged on the inside of the wall parts (20), for marking of holes and/or other damages that can be maneuvered automatically or manually via the operator so that at least some protective wall part always protects the operator under pressurization. The marking device may be combined with a device for automatic detection of holes and damages. This can for example admit marking with high precision, and/or be part of a fully automated solution for detection and marking of holes.

Abstract: A system is provided for detecting a liquid sample, and includes: a flow cell assembly formed with a sample receiving space therein, and inlet and outlet channels extending to the sample receiving space for guiding the liquid sample into and away from the sample receiving space; a sensor device including a sample detecting unit that is disposed in the sample receiving space, and that is operable to detect the liquid sample and to generate a detection signal accordingly, and a signal conducting unit that is connected electrically to the sensor device for conducting the detection signal therefrom; and a liquid introducing unit and a liquid discharging unit coupled to the inlet and outlet channels and cooperating therewith to form an introducing path and a discharging path for introducing the liquid sample into and for discharging the liquid sample from the sample receiving space, respectively.

Abstract: A device for measuring the activity of a liquid in a complex medium and an associated method, the device comprising a sealed enclosure in which the complex medium is intended to be placed and means for maintaining this enclosure at a constant temperature T, characterized in that it comprises: a means (14) for modifying the total volume of the enclosure; a pressure sensor (22) for measuring the total pressure in the enclosure; and means (24) for calculating the activity of the liquid in the complex medium from the temperature T, from the total volume of the enclosure and from the total pressure in the enclosure.

Abstract: A surface acoustic wave sensor device includes a main body and a liquid controller disposed external to the main body. The main body includes a sample chamber, a surface acoustic wave sensor connected to the sample chamber, a first disposal chamber connected to the surface acoustic wave sensor and channels connecting the sample chamber, the surface acoustic wave sensor and the first disposal chamber. The liquid controller controls flow of a sample through the main body.

Abstract: A monitoring device of a machine tool, in particular a circular saw bench, includes a safety unit having at least one first sensor. The monitoring device further includes at least one reference sensor, which is provided to convert a characterizing physical measured variable of the workpiece into an electric characteristic variable during machining of a work piece using the machine tool. The characteristic variable is provided to establish a reference value for a signal of the first sensor.

Abstract: A microelectromechanical nanoindenter including a body, a probe moveable relative to the body, an indenter tip coupled to an end of the moveable probe, and a micromachined comb drive. The micromachined comb drive includes an electrostatic actuator capacitor configured to drive the probe, along with the indenter tip. The micromachined comb drive includes a plurality of sensing capacitors forming a differential capacitive displacement sensor, each sensing capacitor comprising a plurality of comb capacitors and each configured to provide capacitance levels which, together, are representative of a position of the probe, wherein each of the comb capacitors of the actuator capacitor and the sensing capacitors includes a fixed electrode comb coupled to the body and a moveable electrode comb coupled to the probe.

Abstract: An internal combustion engine analysis system is provided, the system having: a spark plug having a thermocouple sensor coupled thereto, the thermocouple sensor being configured to generate a first signal according to a combustion temperature proximate to the spark plug; a current sensor configured to monitor electrical current provided to the spark plug and generate a second signal based upon current the monitored electrical current; one or more signal conditioners configured to generate a first and a second optical signals based upon the first and second signal respectively; a receiver electrically connected to the one or more signal conditioners, the receiver being configured to generate a first and a second digital signal based upon the first and second optical signals respectively; and an analysis device in signal communication with the receiver, the analysis device configured to receive the first and second digital signal and being configured to generate a visual display of the combustion temperature as

Abstract: The present disclosure relates to an apparatus and method for estimating a parameter of interest in a downhole fluid using a fluid analysis module. The fluid analysis module may include: a first transducer configured to generate a surface wave in a fluid. The first transducer may include one or more of: a piezoelectric crystal, a electromagnetic transducer, and a surface acoustic wave crystal. The apparatus may use the first transducer or a second transducer to generate a signal indicative of the dissipation of the surface wave in the fluid. The apparatus may include a compensator configured to reduce mechanical pressure on the transducer. The method may include estimating a parameter of interest of the fluid using a signal indicative of the dissipation of the surface wave.

Abstract: The present invention relates to an improved sensor arrangement, a system and method for determining the rate of ice formation and how close conditions are to those at which ice will form on a surface, and to an improved sensor arrangement for use therein. The sensor arrangement comprises a means (11,12,14) for measuring the thermal lag, heating and cooling of a thermally conductive element, which is comprised of a first and second surface (15a, 15b), said first surface exposed to the environment, wherein the surface area of said first surface is smaller than the second surface. The step of ice detection may be performed by either a passive measuring system wherein the latent heat of ice formation is measured via the temperature differential across a Peltier element.

Abstract: Disclosed is a liquid level detection device that can be miniaturized. The liquid level detection device 1 is provided with: a float arm 3 that is provided with a float 2 that moves, tracking the displacement of a liquid level; a magnet 4 that rotates in accordance with the motion of the float arm 3; a detection element 6 that detects the magnetic variation of the magnet 4; and an electronic component 13 that is electrically connected to the detection element 6. The detection element 6 is provided with a main body 6a and at least three leads 6b. The ends 6b2 of the plurality of leads 6b are folded in a manner so that adjacent leads 6b are in differing positions with respect to the direction of the axis of rotation of the magnet 4. The electronic component 13 is provided with a main body section 13a and two lead sections 13b. The ends 13b2 of the plurality of lead sections 13b are folded in a manner so that each is in a differing position with respect to the direction of the axis of rotation of the magnet 4.

Abstract: A measuring device for determining and/or monitoring a chemical and/or physical measured variable of process automation technology, wherein the measuring device includes at least one housing, and the housing has at least a first wall; which comprises a first material, and the housing has at least a second wall which comprises at least a second material. The second wall is secured to the first wall; and the outside of the first wall is at least partially surrounded by the second wall. The second wall is approximately fitted to the shape of the first wall, and the second wall is mechanically connected to the first wall.

Abstract: An inertial sensor (16) includes a differential thermocouple (13) including first (4A) and second (4B) metal traces, a poly trace (6) with a first end connected to a first end of the first metal trace to form a first (?) thermocouple junction and a second end connected to a first end of the second metal trace to form a second (+) thermocouple junction. A gas mass (10) located symmetrically with respect to the thermocouple junctions is heated by a heater (8). Acceleration or tilting of the sensor shifts the relative location of the gas mass relative to the thermocouple junctions, causing differential heating thereof and generation of a corresponding thermocouple output signal.

Abstract: Disclosed herein is an inertial sensor. The inertial sensor includes a sensor unit including a flexible substrate part on which a driving electrode and a sensing electrode are formed, a mass displaceably mounted on the flexible substrate part, and a support body coupled with the flexible substrate part in order to support the mass in a floated state and made of silicon; and a lower cap covering a bottom portion of the mass and made of silicon, wherein the lower cap and the sensor unit are coupled by a silicon direct bonding method, whereby the inertial sensor and the method of manufacturing the same may be obtained to improve the convenience in manufacturing and the reliability of the sensor by bonding the sensor unit and the lower cap by the silicon direct bonding method.

Abstract: A motion detector includes a chamber, a resilient cantilever arm, a gimbal joint, an air bearing slider, and at least one piezoresistive sensor. The chamber has a front plate and a back plate located on opposite sides of the chamber, and each of the front plate and the back plate has a first through hole and a plurality of second through hole formed therein. The resilient cantilever arm is arranged in the chamber and has a free distal end. The air bearing slider is moveable coupled to the free distal end of the resilient cantilever arm via the gimbal joint. The at least one piezoresistive sensor is attached on the air bearing slider for sensing pitch, roll and yaw associated with the motion of the motion detector.

Abstract: Operating an ultrasonic transmitter and receiver includes providing a MEMS composite transducer. The MEMS composite transducer includes a substrate. Portions of the substrate define an outer boundary of a cavity. A first MEMS transducing member includes a first size. A first portion of the first MEMS transducing member is anchored to the substrate. A second portion of the first MEMS transducing member extends over at least a portion of the cavity and is free to move relative to the cavity. A second MEMS transducing member includes a second size smaller than the first size of the first MEMS transducing member. A first portion of the second MEMS transducing member is anchored to the substrate. A second portion of the second MEMS transducing member extends over at least a portion of the cavity and is free to move relative to the cavity. A compliant membrane is positioned in contact with the first and second MEMS transducing members.

Abstract: A method for measuring a propagation time difference includes: sending a transmitted ultrasound pulse, which is provided with a transmission reference instant and which includes an envelope and a carrier frequency, into a spatial region and receiving a received ultrasound pulse that corresponds to the transmitted ultrasound pulse transmitted. A coarse time difference is provided by comparing the transmission reference instant with an envelope of the received ultrasound pulse, for at least two cycles of transmission/reception in opposite directions of transmission. A fine time difference is provided by comparing the transmission reference instant with an instantaneous variation of the received ultrasound pulse, for the at least two cycles of transmission/reception in opposite directions of transmission.

Abstract: An ultrasonic transducer for use in a fluid medium includes at least one transducer core having at least one electroacoustic transducer element, and further includes at least one housing having at least two housing parts. At least one first housing part at least partially encloses the transducer core such that a rear side of the electroacoustic transducer element which faces away from the fluid medium is accessible. Furthermore, at least one second housing part is connected to the first housing part. The ultrasonic transducer is essentially terminated by the second housing part on its side, which faces away from the fluid medium.

Abstract: An apparatus for emitting and/or receiving ultrasound in a predetermined frequency range includes at least one ultrasonic converter for converting ultrasound into electrical signals and/or converting electrical signals into ultrasound, and a holder having at least one ultrasonic channel formed therein in which the ultrasonic converter is disposed at least partly and/or through which ultrasound can pass from or to the ultrasonic converter. The holder has at least one non-fibrous surface layer adjacent to at least one portion of the ultrasonic channel, whose impedance is smaller than that of an inside layer of the holder neighboring to the surface layer.

Abstract: An ultrasonic coupler assembly for coupling an ultrasonic transducer to a pipe wall is disclosed, wherein the ultrasonic coupler is configured using three quadrilateral sections to reduce the temperature extreme to which the ultrasonic transducer is exposed and to improve the quality of the ultrasonic signal passing through the ultrasonic coupler.

Abstract: A method and system are provided for inspecting a surface of an object with an optical scanner and a laser vibrometer. The method includes the steps of: (a) mapping at least a portion of the object surface using the optical scanner; (b) projecting a beam of light from the laser vibrometer onto the object surface at a measurement point; (c) locating the measurement point relative to the object surface using the optical scanner; and (d) measuring a position of the object surface using the laser vibrometer to determine, for example, a deflection of the object surface.

Abstract: Method for optical pressure measurement of a gas in a closed container by directing a radiation of a radiator through the container and measuring the transmitted radiation by a detector, wherein the radiation of the radiator covers at least one first wavelength range in which there is an absorption of the radiation by the gas, the intensity of the transmitted radiation is detected in a second wavelength range by the detector, wherein the second wavelength range overlaps at least partially with the first wavelength range, and an accumulated intensity of the detected radiation in the second wavelength range is assigned to a pressure of the gas.

Abstract: Disclosed is an electromechanical transducer, including: a cell including a substrate, a vibration film, and a supporting portion of the vibration film configured to support the vibration film so that a gap is formed between the substrate and the vibration film; and a lead wire that is placed on the substrate with an insulator interposed therebetween and extends to the cell, wherein the insulator has a thickness greater than the thickness of the supporting portion. The electromechanical transducer can reduce parasitic capacitance to prevent an increase in noise, a reduction in bandwidth, and a reduction in sensitivity.

Abstract: A sensor for measuring pressures in low-viscosity media for use in injection moulding includes a housing with an axis A, a flat end face to be exposed to a pressure space, and a diaphragm that is arranged on the end face and is permanently connected to the housing. A measuring element that can infer a pressure prevailing in the pressure space on the basis of deflection of the diaphragm is arranged behind the diaphragm. A pressure sleeve that is tightly connected to the sensor on the end face and is arranged at a distance from the housing with a gap behind this connection is arranged coaxially with the housing axis A outside the housing. The gap extends axially further across the measuring element than the region of the force path in the direction away from the pressure space.

Abstract: Apparatus and related fabrication methods are provided for a sensor device. The sensor device includes a sensor structure including a first portion having a sensing arrangement formed thereon and a second structure. A sealing structure is interposed between the sensor structure and the second structure, wherein the sealing structure surrounds the first portion of the sensor structure. The sealing structure establishes a fixed reference pressure on a first side of the first portion, and an opposing side of the first portion is exposed to an ambient pressure.

Abstract: A sensing material for use in a sensor is disclosed. Such a sensing material includes a polymer base and a piezoresistive nanocomposite embedded into the polymer base in a continuous pattern. The nanocomposite comprises a polymer matrix and a plurality of conductive nanofillers suspended in the matrix. The conductive nanofillers may be one or a combination of nanotubes, nanowires, particles and flakes. The density of the plurality of nanofillers is such that the nanocomposite exhibits conductivity suitable for electronic and sensor applications.

Abstract: A MEMS composite transducer includes a substrate, a MEMS transducer, and a compliant membrane. Portions of the substrate define an outer boundary of a cavity. A first portion of the MEMS transducing member is anchored to the substrate. A second portion of the MEMS transducing member extends over at least a portion of the cavity and is free to move relative to the cavity. The compliant membrane is positioned in contact with the MEMS transducing member. A first portion of the compliant membrane covers the MEMS transducing member and a second portion of the compliant membrane is anchored to the substrate.

Abstract: An engine gas sample device which can set a dilution rate of a sample gas without being restricted by warranty flow ranges of first and second flowmeters. The device makes it possible to dilute the sample gas at a low dilution rate, and is provided with a downstream-side dilution tunnel in which a part of exhaust gas flowing through an exhaust pipe is introduced as sample gas into a mixing part. A dilution gas flow path which is connected to an upstream side of the downstream-side dilution tunnel and includes the first flowmeter FM1, a diluted sample gas flow path which is connected to the downstream side of the downstream-side dilution tunnel and includes the second flowmeter FM2. A dilution gas discharge flow path which is connected to an upstream side of the mixing part in the downstream-side dilution tunnel and includes a third flowmeter FM3.

Abstract: A gas meter comprises a conduit for passage of a gas flow and an ionizer to ionize the gas flow. A modulating electrode structure downstream of the ionizer modulates the ion distribution in the ionized gas flow. A first and a second electrode structure downstream of the modulating electrode structure detect the ion distribution in the ionized gas flow. The modulating electrode structure and the detecting electrode structure can generate an electrical field parallel to the direction of the gas flow. The modulating electrode structure and the detecting electrode structures can each have apertures defined therein for passage of the gas flow. The modulating electrode structure can capture ions of one polarity to generate an ionized gas flow comprising a majority of ions of the opposite polarity. Movement of the ionized gas flow generates a current indicative of the ion distribution between the electrode and the charge source.

Abstract: Apparatus configured detect a physical quantity, for example a density, of a flowing fluid, the apparatus including: a sensor body (2) configured to extend into the flowing fluid, the sensor body comprising a fiber Bragg grating (FBG) of a fiber Bragg grating sensor (3, 7, FBG), for generating a detector signal relating to vibration of at least part (2B) of the sensor body (2); and a processing unit, configured to process the detector signal, and to determine the physical quantity based on detected vibration at a mechanical eigenfrequency of the flexible part (2B) of the sensor body (2).

Abstract: In an ultrasonic flow meter device of the present invention, a compressive conductive fastener member including conductive parts is retained between a casing having a fluid passage in which a fluid which is a measurement target flows; ultrasonic transmitters/receivers mounted to the casing, and a control printed board disposed to face the ultrasonic transmitters/receivers, and in this state, the control printed board is fastened. Thereby, the ultrasonic transmitters/receivers are electrically connected to the control printed board without the use of lead wires. A cost increase can be suppressed, and an influence of an outside noise can be mitigated because of omission of the lead wires. Therefore, reliability of the ultrasonic transmitters/receivers can be improved.

Abstract: Provided are a channel member and an ultrasonic fluid-measuring apparatus that can prevent the disturbance from occurring in the ultrasonic waves due to disturbance of a fluid. A channel member (15) includes a first side wall part (21) and a second side wall part (22) that are parallel to each other, a first ultrasonic wave input/output section (32) and a second ultrasonic wave input/output section (33) provided in the first side wall part, a reflecting surface (35) provided on an inner surface of the second side wall part, and an ultrasonic wave transmission membrane (38) that covers the first ultrasonic wave input/output section and the second ultrasonic wave input/output section and transmits ultrasonic waves (36, 37) therethrough.

Abstract: A rotational cup anemometer with an improved design for the cups is herein disclosed. The anemometer has a rotational assembly with essentially identical cups. Each cup is asymmetric to the plane of rotation. Each cup has a central axis parallel to the plane of rotation. Each cup is asymmetric to the central axis of the cup. Each cup may have a lower surface extension that provides a lifting surface, contributes to an upward force as the rotational assembly is rotated or affects presented frontal area at wind angles. A rotation rate of the rotational assembly as a function of wind angle is closer to the ideal cosine curve as compared to a standard anemometer, for a range of wind angles. Rotating the rotational assembly in a wind parallel to the plane of rotation produces a net upward force on the cups that offsets the weight of the rotational assembly.

Abstract: A torque testing device includes a base, a clamping device for clamping a fastener, a holing cylinder mounted on the base, a mounting beam mounted on the holding cylinder, a moving component, a rotation component, and a torque wrench. The mounting beam defines a nesting hole. The moving component includes a tubular member received in the nesting hole and a driving component mounted on the mounting beam for driving the tubular member towards the fastener. The rotation component includes a rotation shaft and at least one rotation element positioned between the rotation shaft and the tubular member. The rotation shaft is moved with the tubular member towards the fastener. The rotation shaft is capable of being rotated about the tubular member through the rotation element. The torque wrench is connected to the rotation shaft for applying torque to the rotation shaft and revealing the value of the torque.