Abstract: A tire inspection device includes a gas sensor disposed outside of a tire and facing an outer surface of the tire. The gas sensor detects a gas that fills the tire.

Abstract: A portable attitude test stand (PATS) for an aircraft engine, has: a support frame mountable on a trailer of a road vehicle; a test cell supported by the support frame and sized to receive the aircraft engine, the test cell operable to rotate the aircraft engine about a pitch axis and a roll axis of the aircraft engine; and an actuator operatively connected to the test cell and to the support frame, the actuator operable to lower and raise the test cell relative to the support frame between a transport configuration in which the test cell has a transport height and a test configuration in which the test cell has a test height, the test height being greater than the transport height.

Abstract: A vibration processing apparatus (10) includes: an acquisition unit (110) that reads, from a vibration information storage unit (112), information needed for detecting an abnormality in a belt conveyor (20), the information being, for example, first detection data indicating a result of detecting a vibration at a first point of the belt conveyor (20), and second detection data indicating a result of detecting a vibration at a second point on a downstream side of the first point of the belt conveyor (20); and a determination unit (120) that determines that an abnormality occurs in the belt conveyor with a necessary condition or a necessary and sufficient condition that a result of comparing the first detection data and the second detection data satisfies a first reference.

Abstract: A fluid sensor for sensing a concentration or composition of a fluid, the sensor comprising: a semiconductor substrate comprising a first etched portion and a second etched portion; a dielectric region located on the semiconductor substrate, wherein the dielectric region comprises a first dielectric membrane located over the first etched portion of the semiconductor substrate, and a second dielectric membrane located over the second etched portion of the semiconductor substrate; two temperature sensing elements on or within the first dielectric membrane and two temperature sensing elements on or within the second dielectric membrane; an output circuit configured to measure a differential signal between the two temperature sensing elements of the first dielectric membrane and the two temperature sensing elements of the second dielectric membrane; wherein the first dielectric membrane is exposed to the fluid and the second dielectric membrane is isolated from the fluid.

Abstract: The present disclosure is directed to a thin-film element that enables analytes to be analyzed on separate surfaces. In an example, a thin-film element includes a first layer for processing a fluid sample to generate a first analyte and a second analyte. The thin-film element also includes a second layer configured to be impermeable to the first analyte to enable the first analyte to be retained by the first layer and permeable to the second analyte to enable the second analyte to pass through the second layer. The thin-film element further includes a third layer configured to retain the second analyte. The second layer includes a first reflective surface and a second reflective surface to provide reflectance signals indicative of analytes present in the first and third layers to sensors located on opposite sides of the thin-film element.

Abstract: A track component for use with a track assembly includes a gyro sensor that monitors a track wrap angle of the track chain assembly about the idler wheel, or the drive sprocket.

Abstract: A level gauge includes a housing, a vertical member, and a perpendicular member. The housing includes a bottom wall and a side wall. A surface of the side wall includes a first scale. The bottom wall and the side wall enclose a receiving cavity. The vertical member is arranged in the receiving cavity and includes an axis maintained in a vertical orientation in a natural state. A center of gravity of the perpendicular member is arranged on top of the vertical member. A plane of the perpendicular member is maintained perpendicular to the axis of the vertical member. When the bottom wall is placed on a gauging surface, an inclination angle and inclination direction of the gauging surface are obtained simultaneously.

Abstract: A method of repairing an integrally bladed rotor (IBR) may comprise: performing a vibratory analysis of a rotor module including a first inspected IBR with a potential repair shape for the IBR; determining an undesirable vibratory characteristic of a second inspected IBR in the rotor module; iterating the potential repair shape for the first IBR to eliminate the undesirable vibratory characteristic of the second inspected IBR; and repairing the first IBR with a selected repair shape based on determining the potential repair shape eliminates the undesirable vibratory characteristic.

Abstract: An adjustable automobile subframe alignment fixture for inspecting a subframe includes one or more bases; one or more rails, connected to the one or more bases, having indexing positions to accommodate multiple sized subframes; and one or more connection points, adjustably mounted on the one or more rails, configured to receive risers and/or jigs for adjusting to a geometry of the subframe and allowing structural integrity of the subframe to be determined. If the geometry of the subframe matches the geometry of the fixture, the subframe is structurally sound. If the geometry of the subframe fails matches the geometry of the fixture, the subframe lacks structural integrity.

Abstract: To provide a vacuum valve pressure diagnosis device for an opening/closing device equipped with a vacuum valve, the diagnosis device which permits downsizing of the vacuum valve and achieves enhanced safety and reliability. Accordingly, the vacuum valve pressure monitoring device is disposed in a vacuum breaker including: a main circuit opening/closing part including the vacuum valve and an insulating frame covering the vacuum valve; and an operation mechanism part for opening/closing a contact of the vacuum valve. The pressure monitoring device for vacuum valve includes: a first electrode disposed on one side surface of the insulating frame and grounded via an impedance; a second electrode disposed on another side surface of the insulating frame and grounded via a switch; and a potential measuring device connected in between the impedance and the first electrode.

Abstract: A capacitive level sensor comprises a control circuit, a supporting structure and a detection structure on the supporting structure. The detection structure comprises a plurality of electrodes, each including a connection part and a plurality of detection parts which extend in a transverse direction relative to a length direction of the sensor, the detection parts of a first electrode being interdigitated with respect to the detection parts of a second electrode. The detection structure includes a plurality of detection sections, which extend in succession in the length direction and include an upper section and one or more underlying lower sections. Each detection section includes respective first and second electrodes, which are electrically insulated from one another and with respect to the first and second electrodes of the other detection sections.

Abstract: The present invention discloses a method for the rapid assessment of the service life of a hub bearing under multiaxial random road loading, comprising the following steps: acquiring a measured load spectrum of a wheel center of an automobile, and converting the wheel center load into an axial load and a radial load borne by a hub unit; performing load level division on the axial load and radial load borne by the hub unit, and performing joint distribution counting; according to the deformation coordination relationship between a roller and a raceway of the bearing, establishing a bearing contact model under a joint load, and according to the bearing contact model and the result of joint distribution counting, calculating the actual contact load of the bearing under different loads; and calculating the equivalent dynamic load and the life of the bearing through the actual contact load of the bearing to obtain the total equivalent damage of the bearing.

Abstract: A measurement system for an aircraft gas turbine engine includes an instrumentation hub including at least one probe, and a shield hub positioned axially adjacent the instrumentation hub. The instrumentation hub is rotatable about a rotational axis. The shield hub includes at least one shield which is radially aligned with the at least one probe of the instrumentation hub. The shield hub is rotatable about the rotational axis independent of the instrumentation hub.

Abstract: A test bench configured to test a drag damper. The test bench comprises a first support that can be rotated about a first axis by a motor, the test bench comprising a second support that can rotate about a second axis, the second axis being axially offset from the first axis, the test bench comprising a first connector secured to the first support and a second connector secured to the second support, the first connector and the second connector being offset from the first axis and the second axis, the first connector and the second connector being opposite each other along an arrangement axis and being configured to carry the damper in line with the arrangement axis.

Abstract: System and methods for analyzing a multiphase production fluid, calculating production fluid phase flow rates, and calculating an oil/gas and oil/gas/water volume fractions of the multiphase production fluid, are provided. Contemplated systems and method may utilize fluidic piping, a production fluid supply valve, a fluidic separation chamber, an inert gas exhaust valve, a separation chamber pressure sensor, a fluidic separation detector, and a fluidic supply and analysis unit.

Abstract: This test system comprises: a dynamometer connected to a test piece W; an inverter for supplying electric power to the dynamometer; an encoder for generating a speed detection signal N corresponding to a rotational speed of the dynamometer; and a dynamometer control device 6 for generating a torque current command signal DYref. The dynamometer control device 6 comprises: a response model 61 that receives a higher-order speed command signal Nr and outputs a model speed command signal Nr?; a feedforward controller 62 that receives the higher-order speed command signal Nr and outputs a feedforward input uff; and a speed controller 64 that generates the torque current command signal DYref on the basis of a feedback input ufb generated on the basis of a deviation e between the model speed command signal Nr? and the speed detection signal N, and the feedforward input uff.

Abstract: Provided is a jig for a vibration test of a rotor blade, for use in the vibration test for evaluating high cycle fatigue characteristics of the rotor blade for an aircraft engine, and the jig is provided with a jig body holding a dovetail portion of a fan blade and fixed onto an excitation table of a shaker, and a hydraulic jack that applies a load in a blade span direction to the fan blade to fix the fan blade to the jig body. Consequently, in the vibration test for evaluating the high cycle fatigue characteristics of the rotor blade, a test simulating an actual operation state can be carried out, the rotor blade can be efficiently excited to reach a large deformation region, and high cycle fatigue failure can occur without any increase in test cost.

Abstract: System and methods for analyzing a multiphase production fluid include a fluidic supply and analysis unit configured to transition the fluidic separation chamber to a static state after a complete gaseous phase column and a complete oil phase column are formed within the fluidic separation chamber; communicate with the fluidic separation detector to measure the absolute or relative sizes of the complete gaseous phase column and the complete oil phase column; and calculate an oil/gas volume fraction as a function of the measured sizes of the gaseous phase and oil phase columns in the fluidic separation chamber.

Abstract: Mobile robot for inspecting a turbomachine comprising at least a measuring device and a body including an assembly of at least three rigid segments each having two opposite longitudinal ends, the longitudinal ends of each segment being equipped with a hinge including a ball joint, each ball joint comprising a motorized wheel mounted therearound, the measuring device being mounted on a ball joint located at one end of the body.

Abstract: A computer-implemented method for checking the correct deployment of an airbag device comprises, in a vehicle or test vehicle model, optionally arranging a dummy or model of a vehicle occupant in the vicinity of the airbag device, triggering the deployment of the air chamber of the airbag device, taking at least one image of a scene including the air chamber at a plurality of discrete times following the triggering of its deployment and verifying the volume of inflation and/or deployment of the air chamber at the plurality of discrete times following the triggering of its deployment on the basis of the at least one image.