Abstract: A surgical instrument includes a force sensor apparatus that is immune to noise from arcing cautery without relying on fiber optic strain gauges, and that is autoclabable. The surgical instrument includes a housing, a shaft, the force sensor apparatus, a joint, and an end component. The force sensor apparatus includes at least one strain gauge that is enclosed in a Faraday cage. The Faraday cage includes a sensor capsule that includes one or more strain gauges, a cable shield tube connected to the sensor capsule, and an electronics enclosure connected to the cable shield tube. The sensor capsule is positioned between the joint and the shaft. The cable shield tube extends through the shaft to the electronics enclosure that is within the housing.

Abstract: A test apparatus is provided for testing a sensorless check device of an actuator. The sensorless check device is arranged to be used by mechanically moving a check device pin from a resting position to an actuation position and then releasing the check device pin to allow it to return to a resting position urged by an elastic return mechanism. The test apparatus comprises: a piston for contact with an actuator surface associated with the check device pin; a piston spring for urging the piston toward the actuator surface, wherein the piston spring is softer than the elastic return mechanism of the check device; and an adjustment and testing mechanism.

Abstract: A system and method include a gauge device and one or more of a communication device or a pulling assembly. The gauge device may be configured to send a message to display on one or more of the communication device or pulling assembly. Additionally or alternatively, the gauge device may be configured to send the message to be processed by pulling assembly to determine and perform a pull action. Additionally or alternatively, the gauge device may be configured to send the message to be executed by the pulling assembly to perform a pull action.

Abstract: Example computer systems, computer apparatuses, computer methods, and computer program products are disclosed for detecting a gas leak. An example computer method includes receiving an electronic indication of a monitoring mode and determining whether the monitoring mode corresponds to a standard mode or a focus mode. The example computer method further includes, in response to determining that the monitoring mode corresponds to the standard mode: monitoring a first range of ultrasonic frequencies to generate a first set of monitored data; and generating a first ultrasonic gas leak detection signal based on the first set of monitored data. The example computer method further includes, in response to determining that the monitoring mode corresponds to the focus mode: monitoring a second range of ultrasonic frequencies to generate a second set of monitored data; and generating a second ultrasonic gas leak detection signal based on the second set of monitored data.

Abstract: A height measuring apparatus. The height measuring apparatus includes a frame; a driving mechanism including a driving body that is connected with and movable along the frame and a moving part that is vertically movable with respect to the driving body. The driving body includes an altitude detector configured to detect an altitude of the moving part; a force transfer rod connected with the moving part to form a lever structure; a touching head connected with a first end of the force transfer rod; a dynamometer connected with a second end of the force transfer rod; a controller configured to stop the moving part from moving in response to the value of the force detected by the dynamometer reaching a predetermined force value; and a location detector configured to detect a location of a foreign object and send the detected location of the foreign object to the controller.

Abstract: A gas sensing device that includes a (a) gas reactive element that has a gas dependent temperature parameter; and (b) a semiconductor temperature sensing element that is spaced apart from the gas reactive element and is configured to sense radiation emitted from the gas reactive element and generate detection signals that are responsive to a temperature of the gas reactive element; wherein the gas reactive element and the semiconductor temperature sensing element are of microscopic scale.

Abstract: A physical quantity sensor includes a substrate, an element portion disposed so as to overlap the substrate, a conductor pattern disposed on the substrate so as to face the element portion, and a protection film covering at least a part of an exposed portion of the conductor pattern exposed from element portion in a plan view from a direction in which the substrate and the element portion overlap.

Abstract: An airflow mask tool incudes a pressure side mask portion to seal at least a portion of a pressure side of a component having an array of internal passageways and a suction side mask portion to seal at least a portion of a suction side of the component, at least one of the suction side mask portion and the pressure side mask portion comprising at least one opening to expose at least one exit from the array of internal passageways.

Abstract: A sample take-off system incorporating a small volume pump with a speed loop for pressurizing excess extracted sample for return into the process stream using a single multi-channel probe for both take-off and return of the excess extracted sample is illustrated and described.

Abstract: A physical quantity measurement device includes a sensor element having a coupling capacitance formed between a drive electrode and a detection electrode, and a circuit device having a drive circuit adapted to supply a drive signal to the drive electrode, a detection circuit adapted to detect physical quantity information corresponding to a physical quantity based on a detection signal from the detection electrode, and a fault diagnosis circuit, and the fault diagnosis circuit has an electrostatic leakage component extraction circuit adapted to extract an electrostatic leakage component due to the coupling capacitance from one of the detection signal and an amplified signal of the detection signal, and performs a fault diagnosis based on the electrostatic leakage component extracted.

Abstract: Example systems, apparatuses and methods are disclosed for detecting a gas leak. An example system comprises a sensor sub-module, a processor sub-module, and a barrier structure configured to restrict flame spread between the sensor sub-module and the processor sub-module. The barrier structure comprises a first housing part, a second housing part, and a printed circuit board disposed in a cavity structure formed by the first housing part and the second housing part. The barrier structure further comprises a first electrical connector configured to provide a first electrical connection to the sensor sub-module. The barrier structure further comprises a second electrical connector configured to provide a second electrical connection to the processor sub-module.

Abstract: A inertial sensor includes a substrate, a fixed portion that is fixed to the substrate, a movable portion is connected to the fixed portion, and is displaceable in an X axis direction, and a movable electrode that is supported at the movable portion, and a frame part includes a first edge that is located on one side of the X axis direction, and is disposed along a Y axis direction, and a second edge that is located on the other side of the X axis direction, and is disposed along the Y axis direction. The fixed portion is disposed further toward the second edge than the first edge, and the substrate includes a first projection that overlaps the first edge, and is disposed to be separated from the first edge, and a second projection that overlaps the second edge, and is disposed to be separated from the second edge.

Abstract: A transparent constraint apparatus for the normal deformation of a planar model, including rigid transparent retainer plates, a planar model, and magnetic force components. The magnetic force components are provided at edge positions of the rigid transparent retainer plates; the normal direction of the planar model is parallel to the normal direction of the two rigid transparent retainer plates, and said two retainer plates are symmetrically arranged relative to the plane of symmetry of the planar model; the magnetic force components are symmetrically arranged relative to the plane of symmetry of the planar model, mutually symmetrical magnetic force components producing mutually attractive magnetic force. The transparent constraint apparatus solves the problem of constraining the normal deformation of a planar model under planar-strain conditions during testing.

Abstract: A preparative purification apparatus capable of adjusting a mixing ratio of a mobile phase and an elution solvent contained in a solution to be collected. A liquid feeding unit which feeds an elution solvent to an inlet of a trap column; a flow path switching unit which selectively connects an outlet of the trap column to one of a waste liquid flow path or a recovery flow path; a liquid feed amount measurement unit; and a flow path control unit which performs a control such that the flow path switching unit is connected to the recovery flow path when the amount of the elution solvent fed to the trap column reaches a predetermined initial waste liquid amount, and thereafter, the flow path switching unit is connected to the waste liquid flow path at a timing of reaching a predetermined solution recovery amount.

Abstract: Disclosed is a device and method for measuring the magnitude of a seepage force and its influence on effective stress of a formation. The measuring device includes a lower bearing platform having a pressure testing device fixed on an upper part thereof, and a water storage chamber mounted with a seepage water discharge pipe. A confining pressure loading chamber is mounted on the upper part of the lower bearing platform, and the lower bearing platform is used for placing a sample which has 11 measuring points distributed at equal intervals on an outer wall thereof. An upper and a lower permeable pressure-bearing steel sheet are placed on an upper and a lower end surface of the sample, respectively. The invention can improve the validity and accuracy of measurement and make the calculation result of the test more accurate.

Abstract: A thermal flowmeter includes: a sub-passage (307) that takes a part of a gas (30) to be measured flowing through a main passage; and a flow measurement unit (451) disposed inside the sub-passage (307). The sub-passage (307) includes: a first passage (351) provided on a measurement surface (451a) side of the flow measurement unit (451); a second passage (352) provided on a back surface (451b) side of the flow measurement unit (451); and an inclined passage (361) provided on an upstream side of an inlet (351a) of the first passage in a forward flow direction F of the gas (30) to be measured in the first passage (351).

Abstract: A pressure sensor for determining a pressure measurement variable includes a housing, a pressure sensor element arranged in the housing, a lighting means arranged in the housing and a control/evaluation unit, the pressure sensor element having a semiconductor material and a measuring membrane, which has at least one integrated resistance element. When the measuring membrane experiences a pressure dependent deflection, the control/evaluation unit ascertains using the integrated resistance element, an electrical signal for determining the pressure measurement variable, wherein the lighting means optically excites the integrated resistance element, and the control/evaluation unit ascertains, based on a change of the electrical signal caused by the optical excitation, whether a malfunction of the pressure sensor is present.

Abstract: An integrated circuit measures a differential change between first and second mutual capacitances having receiver electrodes joined to form a common electrode of an MEMS circuit. The integrated circuit performs charge transfer measurements to transfer charge to a reference capacitor and a variable capacitor is used to change the amount of charge stored in the reference capacitor. First and second charge transfer measurements are performed, each having a number of charge transfer cycles used to transfer charge from the common electrode to the reference capacitor. In the first measurement, a transmit electrode of the first capacitance is driven high first, and in the second measurement, a transmit electrode of the second capacitance is driven high first. The circuit compensates for parasitic capacitances in the MEMS circuit with a sample-and-hold circuit selectively connected to the common electrode to maintain its voltage during a charge phase of a charge transfer cycle.

Abstract: The invention belongs to the field of rock mechanics test of engineering rock masses and is intended to address the safety and alignment challenges of a rock mechanics test response system for existing simulated complex deep earth environment. A rock mechanics test response system for a simulated complex deep earth environment includes a bearing system for rock mechanics tests in simulated deep earth environment and an MTS triaxial sensor aligning and mounting device arranged on the bearing system for rock mechanics tests in simulated deep earth environment. The invention improves installation and dismounting efficiency of an MTS triaxial force sensor, enhances reliability of lifting and solves the problem of aligning holes during installation of the force sensor, thus improving the installation efficiency.

Abstract: A testing apparatus for onsite creation of cured sample liners necessary for confirming proper rehabilitation of pipelines includes a testing box having a base with a plurality of upstanding side walls defining an open upper end of the testing box. The testing box also includes an electrical power control assembly and an ultraviolet light assembly. A liner support manifold is shaped and dimensioned for supporting a sample liner and for attachment to the open upper end of the testing box for exposing the sample liner to pressure and ultraviolet light. In practice, and with the sample liner secured to the liner support manifold and the liner support manifold secured to the testing box, the sample liner is exposed to pressure and UV light in a highly controlled manner allowing for replication of actual in-line curing processing.