Abstract: A brake caliper for a disk brake, in particular for motorcycles and/or bicycles, includes a housing (30) in which a disk space (39) for receiving a brake disk and a brake cylinder (35) for receiving a brake piston (25) are formed. The brake cylinder (35) is connected to the disk space (39) and has, on its side opposite to the disk space (39), an assembly opening (50) through which the brake piston (25) can be inserted into the brake cylinder (35). A closure element (10) closes the assembly opening (50) after the insertion of the brake piston (25) into the brake cylinder (35). A securing element (21) secures the closure element (10) in the assembly opening (50) against forces in the direction of the main axis of the brake cylinder (35).

Abstract: A press-working apparatus capable of forming a clear character line. The press-working apparatus forms a product having a character line. The press-working apparatus comprises an upper die and a lower die arranged across a steel sheet, an upper die mechanism for moving the upper die toward and away from the lower die, a first holder and a second holder for clamping the steel sheet and applying an unwrinkling force to the same, and a control unit for controlling the upper die mechanism and the first holder. The upper die is divided on the character line of the product into a first upper die and a second upper die. The control unit makes the unwrinkling force by the first holder stronger than that by the second holder, so that the steel sheet is press-worked by the second upper die and then by the first upper die.

Abstract: A plug material having a prescribed shape is prepared, the prepared plug material is thermally treated in a heat treatment atmosphere that contains at least 1.0 vol. % oxygen at a heat treatment temperature of at least 950° C. and less than 1050° C. and thus a plug having an oxide scale layer 30 on the surface is manufactured. According to the manufacturing method, pores PO that extend along the surface SF of the plug material are formed under outer scale layer 20 in the oxide scale layer 30, which allows cracks to be more easily propagated in the outer scale layer 20. Therefore, the outer scale layer 20 is more easily peeled off than the conventional one.

Abstract: A mandrel assembly has a mandrel, a biasing member, and a outer member. The biasing member biasly maintains the outer member in a first position, which corresponds to a contoured portion of the mandrel, when the outer member is either on the access or the blind side of a workpiece. The biasing member is compressible to allow the outer member to move into a second position as the outer member is moved through an opening in the workpiece. In the first position, the outer member includes a maximum outer circumference that is larger than the opening of the structural workpiece. In the second position, the outer member includes a maximum outer circumference that fits within the opening of the structural workpiece.

Abstract: The invention relates to a folding device (1) for a bending press, in particular an edging press for a 180°-folding brace on a workpiece (2) with a forming die (3) comprising a V-groove and a forming stamp (4) adjustable thereto and comprising a wedge extension (26) and with a folding die (5) arranged adjacent to the forming die (3) and forming a support surface (33) in a plane (23) extending perpendicular to an adjustment direction of the forming stamp (4). A tool mount (7) with the forming die (3) and the folding die (5) is arranged adjustably on an upper side (18) of a table beam (9), in a direction perpendicular to a bending plane (22), forming a gap (27) for mounting the wedge extension (26) for the folding procedure.

Abstract: A static test rig, for a safety valve having an inlet and a disc movable to open and close the valve, comprises a test table having an aperture therethrough over which the valve can be mounted with its inlet open to the aperture, a gas chamber arranged under the table to admit compressed gas to the aperture thereby to apply a gas pressure to the valve disc, a push rod extending through the gas chamber and arranged to extend through the valve inlet and actuation means arranged to apply an axial push force to the push rod thereby to apply a push force to the disc simultaneously with the gas pressure.

Abstract: A method of calibrating a device comprising: imaging an object in a viewfinder of a device; obtaining a device location from a location mechanism and a device orientation from an orientation mechanism; and using the obtained device location and device orientation to calibrate one or more of the location mechanism and the orientation mechanism such that a difference between an expected location of the object in the viewfinder and a location of the object in the viewfinder is reduced.

Abstract: A calibration apparatus for probe contact conformity judgment is applicable to multiple pin measurement at a low cost with an easy operation. The calibration apparatus is provided with a calibration robot for bringing a probe into contact with a prescribed position on a performance board and a judging means for judging conformity of the contact. The calibration robot is provided with a calibration module having a driver for outputting an inspection signal and a comparator for inputting a reflected wave. The judging means judges conformity of the contact based on the timing at which a reflected wave is inputted into the comparator through the probe after the inspection signal is outputted to the probe from the driver.

Abstract: This invention relates to the devices used in the oil and gas industry. Disclosed herein is the use of a high resolution gas chromatograph in the borehole for borehole fluid type determination in real time mode.

Abstract: The present invention provides a gas analyzer that can be miniaturized and detect a wide variety of gases with high sensitivity, and a method of gas analysis. A separation column 16 is configured so as to pass a sample gas together with a carrier gas through the inside thereof. A surface acoustic wave device 17 has a base material 21 with an annularly continuous annular surface formed of at least apart of a spherical surface; a surface acoustic wave generating means 22 capable of generating a surface acoustic wave that propagates along the annular surface; and a plurality of reaction parts 23 provided along the annular surface so as to change a predetermined physical quantity of the surface acoustic wave in response to the components of the sample gas. The surface acoustic wave device 17 is arranged so that the sample gas passing through the separation column 16 is reacted with the reaction parts 23.

Abstract: A gas measuring apparatus includes: an infrared detecting section that receives an infrared ray from a measurement area and outputs infrared spectrum data relating to the infrared ray; a variation detecting section that detects, by using the infrared spectrum data, a variation in intensity of the infrared ray, which is caused in the infrared ray that radiates from the measurement area and which is caused by a measuring object gas in the measurement area; a converting section that converts the infrared spectrum data to radiance temperature spectrum data which represent wavelengths in an infrared region and radiance temperatures at each wavelength; a background temperature detecting section that detects, as background temperature of the measuring object gas, a maximum radiance temperature from among radiance temperatures represented by the radiance temperature spectrum data; a gas temperature detecting section that detects the temperature of the measuring object gas by using a radiance temperature in a waveleng

Abstract: Exemplary embodiments of the present invention relate to methods and devices for monitoring the flow of particulate matter within an exhaust gas stream. In one exemplary embodiment, a particulate matter sensor for an exhaust system of an engine is provided. The particulate matter sensor includes a casing having an attachment feature for mounting the particulate matter sensor to the exhaust system. The particulate matter sensor also includes an insulator disposed within the casing. The particulate matter sensor further includes a sensing rod having a hollow portion extending between a first end and a second end of the sensing rod. The first end of the sensing rod is supported by the insulator and the second end of the sensing rod extending away from the insulator. The particulate matter sensor still further includes an electrical connector assembly engaging the first end of the sensing rod. The electrical connector assembly is configured to transmit a signal generated by the sensing rod.

Abstract: Exemplary embodiments of the present invention relate to methods and devices for monitoring the flow of particulate matter within an exhaust gas stream. In one exemplary embodiment, a particulate matter sensor for an exhaust system of an engine is provided. The sensor includes a casing having an attachment feature for mounting the particulate matter sensor to the exhaust system. The sensor also includes an insulator disposed within the casing. The insulator has a first end located proximate to an electrical connector of the particulate matter sensor and a second end located opposite thereof The sensor further includes a sensing rod having a first end and a second end. The first end of the sensing rod is supported by the insulator and spaced from the second end of the insulator to form a gap therebetween.

Abstract: A method is proposed for leakage monitoring in a tube bundle reactor (2) having a bundle of contact tubes (2) vertically arranged parallel to one another, through which a fluid reaction mixture is delivered, and through whose space (3) surrounding the contact tubes a liquid heat exchanger is delivered, and having one or more vent holes (4) for the liquid heat exchanger in the upper region of the tube bundle reactor (1), which connect the tube bundle reactor (1) to one or more equilibrating vessels (5, 6, 7) for the liquid heat exchanger, wherein at least one of the equilibrating vessels (5, 6, 7) for the liquid heat exchanger has a connecting line (8) for supplying the gas phase above the liquid level therein to an analysis device (9), which determines the composition of the supplied gas phase.

Abstract: Embodiments of the present invention employ measurement of argon as the means to detect the presence of an atmospheric leak in a processing chamber. Argon detected inside the process chamber is conclusive evidence of a leak. Furthermore, the amount of detected argon provides information on the rate of air entering through the leak. In one embodiment, leak detection takes place in the main plasma inside the processing chamber. In another embodiment, leak detection takes place in the self-contained plasma generated in a remote plasma sensor. Additional measurements can be performed, such as measuring the amount of oxygen, and/or the presence of moisture to help in detecting and quantifying outgassing from the processing chamber.

Abstract: A method of determining one or more bulk Theological properties of a particle laden fluid comprising providing a system comprising a vessel, a pump coupled to the vessel, and a flow-through apparatus coupled to the pump and the vessel, wherein the flow-through apparatus comprises a flow chamber, a bob rotatably disposed within the chamber, wherein the bob comprises an outer geometry adapted for continuous laminar flow in an axial direction, and a gap between the chamber and the bob, pumping the particle laden fluid into the flow-through apparatus, shearing the particle laden fluid within the gap of the flow-through apparatus, and collecting data from the bob and observing the particle laden fluid to determine one or more bulk rheological properties of the particle laden fluid.

Abstract: A state sensor for plants comprises a clamping device with two clamping elements for clamping a part of a plant. A plant parameter measuring device is coupled mechanically to the clamping device and comprises a sensor element. Said sensor element is configured as a pressure sensor element arranged on one of the clamping elements for detecting a pressure state value of the plant, which pressure state value is independent of the displacement of the clamping elements relative to one another. A watering system has at least one state sensor of this type. A reliable determination of the watering state is obtained over a long period of time and at a low cost.

Abstract: A light-weight electronically-controlled hammering module is used to apply a repetitive hammering force under electronic control to the top end of a dynamic cone penetrometer rod. In a preferred embodiment, the hammering module has a battery-powered percussive hammer that applies an electrically-generated impulse hammering force to the top of the rod. The depth of penetration is measured with a range-finder and used to compute the rate of penetration of the rod into the ground and correlated to the strength of the soil. The rate of hammering is controlled to cause the rod to penetrate into the soil at a controlled rate correlated with the strength of the soil.

Abstract: The present invention includes a device and method for more particularly evaluating the compaction of soil by automating the use of a prior art dynamic cone penetrometer such that user error and error caused by field conditions are eliminated. Recordation of penetrometer data previously not recorded is made more precise by the present invention such that standardized measurement results. The device further includes means for facilitating the determination of compaction of soils through keyhole openings and a means for automating the collection and processing of the generated compaction data.

Abstract: A surface texture measuring instrument includes: a measuring device that includes a detector for detecting surface texture of a workpiece and an X-axis movement mechanism for moving the detector in a measurement direction; an elevation inclination adjuster capable of adjusting an elevation position and an inclination angle of a table on which the measuring device is mounted; a stage on which the workpiece is mounted; and a controller that controls the measuring device and the elevation inclination adjuster. The controller includes: a measurement controller that controls the X-axis movement mechanism to conduct a preliminary measurement and main measurement of the workpiece; a computing unit that acquires a result of the preliminary measurement from the detector and obtains an inclination angle of the workpiece at which the workpiece is inclined to the measurement direction; and a positioning controller for adjusting the inclination angle of the table based on the obtained inclination angle.

Abstract: In an engine control device, when a missing-tooth location K formed on a rotor of a crank shaft sensor fixed to a crank shaft of an engine is detected at timing t1 under the condition T3?2.4×pulse interval T4, it is checked whether or not the detection result is correct based on pulse intervals T0 to T5. When the detection result is correct, the difference (an adjusting counter value) between a counter-value of a crank counter at the missing-tooth location K detection timing and a correct value at the detection timing of the missing-tooth location K is calculated. The device calculates an adjusted counter-value based on an adjusting counter-value, the current counter-value of the crank counter, and a value (+1) set in advance based on the rewriting timing. The crank counter is replaced with the adjusted counter-value at a first rising-edge of the crank signal.

Abstract: A method of aligning a property for testing in a dynamometer cell is provided, including the steps of: mounting a laser travel car to each of four risers in a repositionable manner; mounting a laser to each of the laser travel cars in a repositionable manner; securing a dyno cart into a cart receiving station between the four risers; calibrating each of the lasers; preparing the dyno cart to receive the property; mounting the property to the dyno cart; orienting the various lasers based, at least in part, upon predetermined optimal alignment dimensions to thereby provide a set of target locations; orienting the property such that predetermined locations of the property align with the set of target locations to ensure appropriate property orientation during testing; and removing the dyno cart from the cart receiving station for delivery to the dynamometer cell.

Abstract: In-flight testing methods and kits for in-flight testing of proposed aerodynamic structures are disclosed. The methods and kits involve a testing station carried on a pre-existing fully engineered and tested host aircraft. Interchangeable but differently configured aerodynamic structures may be carried upon the host aircraft, and existing systems of the host aircraft may be utilized to conduct the testing, avoiding time and cost associated with constructing fully operational demonstrator aircraft for testing purposes.

Abstract: A tire pressure monitoring apparatus includes a valve assembly mountable in a vehicle wheel and a housing securable to the end of the valve assembly. A pressure sensor assembly is securable in the housing for monitoring tire pressure and providing an electrical signal indicative thereof. The pressure sensor assembly includes a flexible circuit board, and a battery held within a fold of the flexible circuit board, wherein the flexible circuit board is overmolded.

Abstract: Embodiments of the present invention include a fiber optic seismic sensing system for permanent downhole installation. In one aspect, the present invention includes a multi-station, multi-component system for conducting seismic reservoir imaging and monitoring in a well. Permanent seismic surveys may be conducted with embodiments of the present invention, including time-lapse (4D) vertical seismic profiling (VSP) and extended micro-seismic monitoring. Embodiments of the present invention provide the ability to map fluid contacts in the reservoir using 4D VSP and to correlate micro-seismic events to gas injection and production activity.

Abstract: A borehole formation testing system that measures resistivity of near borehole formation in situ rather than the measuring resistivity of fluid drawn into a formation tester tool. A radially extendable probe assembly contacts and forms a hydraulic seal with the wall of a borehole using a pad. Electrode contacts are disposed on the contact surface of the pad and electrically contact the near borehole formation. Response of the electrode contacts are used to determine resistivity of the near borehole formation. This resistivity is with a deeper formation resistivity measurement to determine if virgin formation fluid is at or in the vicinity of the pad. Alternately, a plurality of resistivity measurements is made at the formation tester pad and virgin formation fluid at or near the pad is determined from the rate of change of the plurality of resistivity measurements.

Abstract: Fluid flow measurement device and method. In one embodiment, a tool comprises a rotating arm with a sensor pad to measure fluid flow into or out of the casing wall. The arm maintains the sensor pad in close proximity to the casing inner wall. The tool diameter is variable to allow the tool to traverse variable diameter casings and pass obstacles. The sensor pad comprises flow channels to direct the flow of fluid by electromagnetic sensors configured to detect conductive fluid flow.

Abstract: The present invention relates to methods for determining the existence and location of parasitic stress-inducing forces on a substantially cylindrical rod portion 1 defined along a first axis 2 and when this rod is made of a magnetostrictive material. The method according to the invention is essentially characterized in that it consists in magnetizing the wall of the rod portion in a pseudo-helix 10 centred on the first axis 2, in applying a forced stress between the two ends 3, 4 of the rod portion 1, in measuring, along the rod portion, the magnitude of the magnetic field created by the rod portion 1 after it has been subjected to the forced stress, these measurements being taken in a direction substantially parallel to the first axis 2, and from these measurements, in deducing the existence and location of the parasitic stress-inducing forces on the rod portion 1. The invention also relates to a device for implementing this method.

Abstract: A leaf spring load measuring device of the present invention comprises a weighing mechanism, a measuring mechanism, a metering mechanism, and a control mechanism. The weighing mechanism applies a load heavier than a working load to a leaf spring, thereby bending the leaf spring in its thickness direction, and maintains the resulting state for a predetermined hold time. The measuring mechanism measures a load value of the leaf spring in a manner such that the spring is subjected to a load within a range of the working load. The metering mechanism meters a displacement of the spring when the load value is measured. The control mechanism controls the weighing mechanism, the metering mechanism, and the measuring mechanism, and has a timer function to meter the hold time.

Abstract: The present disclosure relates to a fluid measuring system for use in a vehicle engine. The engine includes a fluid return channel through which a tube is inserted. The fluid measuring system also includes a dipstick that can be inserted in the tube. One end of the dipstick is in fluid communication with a fluid reservoir and is configured to indicate the fluid level of the engine. The tube can be composed of an elastic material.

Abstract: An ultrasound system for measuring the fluid level in a tank includes means for emitting an ultrasound detecting beam towards a surface of the fluid in the tank from a first position relative to the tank, yielding at least a portion of a path of the ultrasound detecting beam being generally perpendicular to the bottom of the tank and defining an axis intersecting the bottom of the tank, the first position being adjacent the bottom of the tank; means for receiving echoes from the ultrasound detecting beam reflected from the surface of the fluid in the tank at a second position biased from the first position; and means for determining the fluid level using the echoes received from the ultrasound detecting beam and a distance between the first and second positions. Such a system allows eliminating the limitation caused by the transducers' dead zone without requiring the use of a waveguide.

Abstract: The concentration of a material covering a surface is controlled via an equilibrium process. Equilibrium parameters such as a concentration of the provided material, the exposure time of the material to the surface, and the surface area of an attractor applied to the surface are determined utilizing a millimeter sized piezoelectric cantilever sensor. In an example embodiment, the material is provided at a low concentration to the surface until equilibrium is attained. The amount of material accumulated on the surface is determined utilizing the cantilever sensor. The surface area of the attractor and the measured amount of material are utilized to determine the amount of the attractor surface area having the material bound thereto. Knowledge of the equilibrium parameters allows controlled surface coverage of the material on the attractor for any application. The concentration of the material adsorbed on the surface is precisely determinable and repeatable.

Abstract: Ultrasound inspection methods for noisy materials and related probes are disclosed to inspect a defect in a cast material that use polycarbonate delay layers having a first surface configured to be disposed on a surface of the cast material; and an acoustic crystal element disposed on a second surface of the polycarbonate delay layer.

Abstract: A method and apparatus for the remote detection of non-conductive pipes is described. The system consists of transmitter (Tx) and receiver (Rx) units. The transmitter unit induces mechanical vibrations into the pipe, and generates a reference signal which is relayed to the receiver. The receiver unit senses vibrations from the ground and converts the vibrations into an electrical signal, and receives the reference signal from the transmitter. Using synchronous detection, the receiver compares the reference signal to the received signal from the ground. The output of the receiver is proportional to the strength of the signal from the ground and therefore indicates the proximity of the receiver to the underground pipe.

Abstract: The disclosed device includes a module for transmitting an ultrasonic wave from a transducer to an object, another module for receiving with transducers surface waves that are a reflection of the ultrasonic wave on the object surface, another module for detecting an incoming direction of the reflected wave to each transducer group using a time difference between reception timings of two reception transducers constituting each group, each group having two transducers adjacent to each other, another module for detecting a propagation time of the surface wave reached each group using a received wave signal of the surface wave of at least one of the reception transducers, another module for detecting a reflection point of the ultrasonic wave on the object surface based on the incoming direction and the propagation time of the surface wave detected for each group, and another module for deriving a shape of the object surface using the reflection points for the transducer groups.

Abstract: Provided is ultrasonic diagnostic equipment including: an equipment body; a display unit provided to the equipment body and configured to display an ultrasonic image; an equipment-side connector provided in the equipment body; and an ultrasonic probe having a probe-side connector to be connected to the equipment-side connector in a detachable manner. The ultrasonic probe is connected to the probe-side connector through a cable and configured to send and receive ultrasonic waves. The probe-side connector and the equipment-side connector are formed in structures capable of sending and receiving the ultrasonic waves even in the case of a 180-degree reverse connection of the probe-side connector to the equipment-side connector.

Abstract: An electromagnetic ultrasonic transducer and an array thereof are provided. This electromagnetic ultrasonic transducer includes a support, an elastic board disposed on the support, a magnetizer on the elastic board, and a magnet field generator for vibrating the magnetizer, wherein, the thickness of the magnetizer is of the order of microns. The thickness of the elastic board is also of the order of microns. This electromagnetic ultrasonic transducer is able to produce acoustic waves of high frequency, which are useful for ultrasonic therapy.

Abstract: A system includes a liquid cooling medium, a cooling plate having opposite first and second sides and at least one internal passage in which the liquid cooling medium flows, first and second lasers located adjacent to one another and positioned relative to the first side of the cooling plate, and a first Peltier device operably connected between the first side of the cooling plate and the first and second lasers for transferring thermal energy to the liquid cooling medium in the cooling plate.

Abstract: A state detecting device can efficiently remove air bubbles from a liquid no matter whether the liquid flows forwards or backwards. The state detecting device (1) is provided in a tube to detect a state of a liquid flowing in the tube. The state detecting device (1) includes: a liquid hold part (2) in which the liquid is stored; an inflow part (4) from which the liquid enters the liquid hold part (2); an outflow part (5) from which the liquid exits from the liquid hold part (2); an inlet (8) that is a rear end portion of the inflow part (4); and an outlet (9) that is a front end portion of the outflow part (5). Here, the inlet (8) and the outlet (9) are arranged higher than a center of the liquid hold part (2) in a vertical direction when the state detecting device is provided in the tube.

Abstract: A pressure sensor includes: a housing; a pressure receiver which seals an opening of the housing and transmits pressure from outside the housing to the inside of the housing; and a pressure sensing element having a pressure sensing portion and a pair of base portions which are respectively coupled to both ends of the pressure sensing portion. In the pressure sensor, a force detecting direction is set to be a detection axis, a line connecting the pair of base portions and a displacement direction of the pressure receiver are arranged in parallel, one of the base portions is coupled to a central region, which is displaced by the pressure, of the pressure receiver, and the other of the base portions is coupled to a marginal region, which is at a fixing side, of the pressure receiver through a connecting member.

Abstract: A single pressure sensing capsule has a reference pressure ported to the rear side of a silicon sensing die. The front side of the silicon sensing die receives a main pressure at another port. The silicon sensing die contains a full Wheatstone bridge on one of the surfaces and within the active area designated as the diaphragm area. Thus, the difference of the main and reference pressure results in the sensor providing an output equivalent to the differential pressure, namely the main pressure minus the reference pressure which is the stress induced in a sensing diaphragm. In any event, the reference pressure or main pressure may be derived from a pump pressure which is being monitored. The pump pressure output is subjected to a pump ripple or a sinusoidally varying pressure. In order to compensate for pump ripple, one employs a coiled tube. The tube length is selected to suppress the pump ripple as applied to the sensor die.

Abstract: A method of predicting sheet formability at a microscale level includes the steps of providing a grid pattern on a test sheet, bulging the test sheet to a hemispherical shape until a crack is initiated on the surface of the test sheet, detecting the initiation of the crack, acquiring two images of the surface adjacent to the crack and calculating surface strains on the test sheet.

Abstract: A method includes rotating a rotor, measuring a rotor rotational time for the rotor to complete a revolution, determining a blade interval by dividing the rotor rotational time by a number of blades carried on the rotor, establishing an active hold-off time interval as a percentage of the blade interval time, directing a beam of light at the blades of the rotor using a laser, sensing light reflected from the blades, generating an output signal as a function of the sensed light, establishing a signal amplitude threshold, analyzing an amplitude of the output signal to trigger the active hold-off time interval when the amplitude reaches the signal amplitude threshold, and generating a blade arrival signal as a function of triggered active hold-off time intervals. The output signal is not analyzed within each active hold-off time interval.

Abstract: The invention relates to a vortex generator (10), in particular for a model (12) in a fluid-dynamic channel. In order to save time during the development of vehicles, in particular aircraft, in particular to save wind tunnel time, it is suggested to configure the vortex generator (10) switchable. Further, the invention relates to various uses of such a switchable vortex generator (10), in particular on models in fluid-dynamic channels and in fluid-dynamic channel tests.

Abstract: An assembly comprising a fluid channel and a flowmeter, the flowmeter (1) comprising at least one vortex shedder (2) extending in the channel (C), each vortex shedder (2) being configured to generate Karman vortices (V) in fluid flowing through the channel (C) during operation, wherein each vortex shedder (2) is provided with a first fiber Bragg grating (FBG) of a fiber Bragg grating sensor (3, 7, FBG), wherein a Karman vortex frequency (fe) of the vortices (V) generated by the vortex shedder (2) is detectable utilizing a fiber Bragg grating (FBG) sensor signal relating to the respective first fiber Bragg grating (FBG) of that vortex shedder (2).

Abstract: A volumetric fluid flow sensor (100) includes a flow channel (120) for flowing a fluid therein; and a diaphragm (110) having an outer surface within the flow channel (120). The diaphragm (110) includes at least one flow disrupting feature mechanically coupled to or emerging from the outer surface of the diaphragm (110). A sensing structure (126) is coupled to the diaphragm (110) for generating a sensing signal responsive to a pressure signal on the diaphragm (110).

Abstract: Methods and apparatus enable measuring flow of a fluid within a conduit. For example, flowmeters may measure the velocity of production fluid flowing through production pipe of an oil/gas well. The flowmeters rely on detection of pressure variations generated as a result of a backward-facing step as a basis for flow measurement calculations. Pressure sensing occurs away from the step in a direction of the flow of the fluid in an enhanced turbulence region of the flowmeter where the inner diameter remains enlarged as a result of the step.

Abstract: A Coriolis effect device includes a housing defining an interior chamber having a central axis, an inlet, an outlet, a leading disc and a trailing disc. Each disc is supported for oscillatory movement within the interior chamber of the housing. The leading disc defines a leading flow path in fluid communication with the inlet and interior chamber, wherein a portion of the leading flow path extends radially with respect to the central axis. The trailing disc is axially spaced from the leading disc. The trailing disc defines a trailing flow path in fluid communication with the interior chamber and the outlet, wherein a portion of the trailing flow path extends radially with respect to the central axis. A phase difference between leading and trailing oscillating signals picked up from the disc movement can be used to determine a mass flow rate of fluid passing from the inlet to the outlet.

Abstract: The present invention provides a load detecting apparatus capable of detecting load and vibration applied to a support supporting a body of a human or an animal by a load sensor provided in the support, in particular such a load detecting apparatus capable of detecting micro vibration applied to the support, with a high noise immunity. The load detecting apparatus includes a plurality of load sensors 1 disposed in distribution within a detection target area of a support 7, a selecting means 6 for selecting one or some of the plurality of load sensor(s) 1, a detecting means 5 capable of detecting load and vibration applied to the support 7, based on the output from the selected load sensor(s) 1. The selecting means 6 effects the selection, based on either the outputs S from the respective load sensors or the outputs S from the respective load sensors, plus disposing positions of the respective load sensors.

Abstract: A torque transducer utilizes a ferromagnetic region (20) of a shaft subject to torque (T). A coil (LD), carried on a former (32) within which the region (20) is rotatable, is wound about the region (20). The coil (LD) is energised by a current (I) to induce a magnetic field in region (20) and one or more sensors (23) is position adjacent the region and the coil to detect a torque-dependent tangential (circumferential) field component external to the region (20). The current (I) may be D.C. or A.C. enabling frequency selective detection. The coil (LD) and the sensor (23) are constructed as an integral unit. The sensor (23) is sensitive to axial tilt or skew of the region (20) within the coil (LD). Compensation measures are disclosed. Alternatively the transducer can be configured to provide measurement of skew, tilt or pivotal movement due to a force applied to the shaft or other elongate member.