G01N2203/0617

Wear sensor system

The present invention is a wear sensing and monitoring system including: at least one sensor node, and wireless communication means, and a gateway node, and a remote monitoring and management node, wherein the wireless communication means are adapted to enable the at least one sensor node to have at least one-way wireless communication from the node to the gateway node. The gateway node is adapted to have at least one way wired or wireless communication from the gateway node to the remote monitoring and management node. Note that the two nodes may be included in the one device.

MEASURING SYSTEM, MEASURING ARRANGEMENT, AND METHOD FOR DETERMINING MEASURING SIGNALS DURING A PENETRATION MOVEMENT OF A PENETRATION BODY INTO A SURFACE OF A TEST BODY
20190025172 · 2019-01-24 ·

A measuring system for detecting measuring signals during a penetration movement of a penetration body into a surface of a test body, in particular for determining the scratch resistance of the surface of the test body, or during a scanning movement of the penetration body on the surface of the test body, in particular for determining the surface roughness, including a housing with a power generating device, which is operatively connected to a penetration body for generating a displacement movement of the penetration body along a longitudinal axis of the housing, and which actuates a penetration movement of the penetration body into the surface of the test body to be examined, or which positions the penetration body on the surface of the test body for scanning, and having at least one first measuring device for measuring the penetration depth into the surface of the test body or a displacement movement of the penetration body along the longitudinal axis of the housing during a scanning movement on the surface of the test body. The power generating device is actuated by a pressure medium for the penetration movement of the penetration body.

TANK INSPECTION METHOD
20240272053 · 2024-08-15 ·

Provided is a tank inspection method capable of efficiently draining water injected into a tank at the time of inspection. A tank inspection method TIM includes a supporting step, a water injection step, a pressure increasing step, and a draining step. The supporting step supports a tank with the central axis crossed with the horizontal plane such that openings provided at both ends in a direction along the central axis of the tank become upper and lower openings. The water injection step injects water into the tank from the lower opening and discharges air inside the tank from the upper opening. The pressure increasing step increases water pressure inside the tank to a predetermined pressure by pumping water to the lower opening, with an upper valve, which opens and closes an upper flow path, closed, and the draining step drains water from the lower opening of the tank.

Rotary Blade Sharpness Testing Device
20180313731 · 2018-11-01 ·

A rotary blade sharpness tester is provided. The rotary blade sharpness tester comprises a rotary blade holder, supporting means for supporting a cuttable material, a moving mechanism to cause relative movement between the blade holder and the supporting means, and hence the cuttable material when supported on the supporting means, an activation means to activate a rotary blade held in the rotary blade holder and cause rotation of the blade before the blade comes into contact with the cuttable material. During the relative movement between the blade holder and supporting means the rotary blade movably contacts the material. The sharpness tester further comprises force measuring means operable in use to measure the force of the rotary blade on the cuttable material.

Method and aparatus for monitoring a junction between electrical devices

A method and a test fixture for evaluating a junction between an electrical lead trace and a busbar are described, and include an electric power supply disposed to supply electric power to the electrical lead trace and an electric monitoring device disposed to monitor electrical potential across the junction. A mechanical stress-inducing device is disposed to apply mechanical stress proximal to the junction. The electric monitoring device monitors the electrical potential across the junction of the electrical lead trace coincident with the mechanical stress-inducing device applying mechanical stress proximal to the junction when the electric power supply is supplying electric power to the electrical lead trace. Electrical integrity of the junction is evaluated based upon the monitored electrical potential across the junction.

Method of and apparatus for detecting a crack in a pair of piezoelectric elements based on transfer function
10101253 · 2018-10-16 · ·

The present invention provides a method of surely detecting a crack in piezoelectric elements regardless of size of the crack. The method includes applying voltage to a first piezoelectric element of a pair of piezoelectric elements to cause deformation in the first piezoelectric element, forcibly deforming a second piezoelectric element of the pair of the piezoelectric elements to generate voltage from the second piezoelectric element according to the deformation of the first piezoelectric element, finding a transfer function of the pair of the piezoelectric elements based on values of the applied voltage and the generated voltage, and detecting presence or absence of a crack in the pair of the piezoelectric elements based on an objective value obtained from the found transfer function.

Material tester
12078617 · 2024-09-03 · ·

A tensile tester includes a tester body having at least one detector and a controller, and the controller includes a first branch setting unit that sets a first branching condition at a first branch point at which a test condition branches into two or more test conditions in association with a detection result of the detector, a first condition setting unit that sets a first test condition that is a test condition before the first branch point, and a second condition setting unit that sets a second test condition that is a test condition after the first branch point.

SENSOR FOR CONCRETE STATIC MODULUS OF ELASTICITY IN SITU MEASUREMENT
20240310258 · 2024-09-19 ·

A sensor device for detecting static modulus of elasticity in situ comprising: top and bottom frame end plates, the top and bottom frame end plates connected by frame side bars; a dry cavity connected to the top frame end plate and comprising a piston, precompression mechanism, and piston transfer plate; a displacement measurement gauge extending from the dry cavity along a longitudinal axis of the sensor device having a first end in contact with the piston transfer plate and a second end in contact with a bottom inner face of the bottom frame end plate; and a top inner face connected to the piston transfer plate wherein a portion of elastomeric material is positioned on the bottom and top inner faces, the elastomeric material positioned to prevent contact with either bottom or top inner faces except for a portion along the longitudinal axis of the displacement measurement gauge.

MOLTEN SALT ENVIRONMENT CREEP TESTING EXTENSOMETRY SYSTEM
20180238785 · 2018-08-23 · ·

Disclosed herein are systems, devices and methods for creep testing selected materials within a high-temperature molten salt environment. Exemplary creep testing systems include a load train for holding a test specimen under a load within a heated inert gas vessel. An extensometry system can be included to measure elongation of the test specimen while under load. The extensometry system can include fixed members and axially translating member that move along with the elongation of the test specimen, and the system can include a sensor to measure the relative axial motion between such components to measure elongation of the test specimen over time. The test specimen can include a cylindrical gage portion having an internal void filled with a molten salt during creep testing to simulate the corrosive effect of the molten salt on the specimen material during testing.

FIXTURE, SYSTEM, AND METHOD FOR TESTING LOADS IN A FLEXIBLE AERODYNAMIC MEMBER
20180237164 · 2018-08-23 · ·

A fixture, system, and method are provided for testing one or more axial loads in a flexible aerodynamic member. The fixture has a structural frame assembly with a first end portion, a second end portion, and an intermediate portion. The fixture has a first pivotal linkage assembly pivotable about a pitch axis, a pair of pitch actuators to apply a pitch moment to the first pivotal linkage assembly, a second pivotal linkage assembly pivotable about a flap axis, and a pair of flap actuators to apply a flap bending moment to the second pivotal linkage assembly. The fixture has a third pivotal linkage assembly pivotable about the pitch axis, and has a pair of chord actuators to apply axial load to the flexible aerodynamic member. The fixture minimizes deflections of a tip of the flexible aerodynamic member during testing to provide an improved accuracy of axial load measurement data.