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WO/2021/187454A1 |
This abnormality detection device detects abnormalities in a rotation mechanism 104 including a rotating shaft 101, a bearing 102 that supports the rotating shaft 101 in a rotatable manner, and a gear 103 that rotates integrally with the...
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WO/2021/184054A1 |
The invention relates to a method for adjusting a piezoelectric torque sensor of a measuring apparatus which is preferably part of a test bench, for determining a torque which is applied to a test piece due to a flux of force, the measur...
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WO/2021/181228A1 |
An aspect of the present invention relates to an apparatus for detecting deterioration of a rotating part comprising a metal case having a slot to which an acoustic emission (AE) sensor is mounted, and a waveguide rod having a proximal e...
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WO/2021/174281A1 |
The invention relates to a converter assembly comprising a direct voltage link (1) for providing direct voltage VDC, comprising a positive terminal and a negative terminal, and at least one machine converter (2) for converting the direct...
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WO/2021/170998A1 |
A condition monitoring apparatus (300) for a system comprising rotating or reciprocating machinery and a seal is disclosed herein. The apparatus comprises a first acoustic sensor (301) coupled to the seal for providing a first acoustic e...
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WO/2021/164838A1 |
Systems, methods, and computer program products for virtual machine testing of an electric machine (8). A test signature including parameter values measured during one or more static tests of the electric machine (8) is compared to a ref...
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WO/2021/168030A1 |
A technique for performing condition monitoring of a plurality of components of a plurality of wind turbines is disclosed. The technique includes, for each of the plurality of wind turbines, measuring at least one time-series electrical ...
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WO/2021/161821A1 |
This state determination device has a storage means that stores reference information on a magnetic characteristic at a designated position in the periphery of a flange part of a hub unit bearing, an acquisition means that acquires measu...
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WO/2021/159699A1 |
A test apparatus for separating and measuring generated gas, water, and sand during natural gas hydrate mining, and a method. The apparatus comprises a natural gas hydrate generation and decomposition system and a filter apparatus. The n...
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WO/2021/157232A1 |
This vibration processing device (10) comprises an acquisition unit (110) and a determination unit (120). The acquisition unit (110) reads, from a vibration information storage unit (112), information necessary for detecting an abnormali...
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WO/2021/120583A9 |
A vacuum sealing ring aging test system, comprising a detected module and a detecting module. The detected module comprises a top cover plate, a test flange, an inflation flange, a bottom base plate, and multiple bolts and nuts; the same...
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WO/2021/151635A1 |
The invention relates to a testing device (10) for gear mechanisms (20, 30), comprising a drive unit (12) and an output unit (14) which are connected to one another via a first and a second gear mechanism (20, 30). According to the inven...
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WO/2021/146764A1 |
The invention relates to a method for the zero adjustment of at least one sensor of a system (S), in particular a drive train, comprising at least one mechanical connection, having a play point (6), with an alternating signal path, where...
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WO/2021/149649A1 |
This noise canceller comprises: a signal acquisition unit for acquiring an observation signal resulting from sampling of the vibration of a device; a signal delay unit for delaying the observation signal acquired by the signal acquisitio...
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WO/2021/149847A1 |
The present invention relates to an expansion valve inspection device. The expansion valve inspection device of the present invention comprises: a housing including an insertion part for forming an insertion space into which an expansion...
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WO/2021/148170A1 |
Method for determining a remaining useful life (RUL) of a bearing (1) having a surface defect (12), comprising the steps of: determining a defect size (d1, d2) of the surface defect (12), based on, preferably sampled, oscillations of the...
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WO/2021/142539A1 |
A system for predictive modeling of wear or damage to a driven gear of an open gear set is provided. A method of developing a predictive model of wear or damage to a driven gear of an open gear set is also provided. The system and method...
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WO/2021/144593A1 |
Apparatus (10) for monitoring the condition of an item of electrical equipment (1) whilst in operation comprises a vibration sensor (11) and an electrical sensor (12) operable to detect a characteristic operational electrical signal of t...
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WO/2021/143965A1 |
The invention relates to testing a rolling bearing (2) by means of vibration analysis, during which testing a first bearing ring (3, 4) of the rolling bearing (2) is driven, and a vibration signal is recorded on a second bearing ring (4,...
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WO/2021/141003A1 |
A state monitoring device (80) is provided with a trigger setting unit (82) and a measurement processing unit (83). The trigger setting unit (82) sets the priority of a received trigger signal on the basis of the type of the received tri...
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WO/2021/139822A1 |
Disclosed is a clamp for an accelerated life test. The clamp comprises a bearing plate (1), wherein the top face of the bearing plate (1) is provided with a cavity (2) in sliding fit with the profile of a mobile phone to be tested; and a...
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WO/2021/139331A1 |
Provided is a bearing fault diagnosis method based on instantaneous frequency optimization VMD. The method comprises: S1, acquiring a bearing test signal; S2, decomposing the bearing test signal on the basis of an instantaneous frequency...
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WO/2021/134738A1 |
Disclosed are a catenary dropper fatigue test device and a method therefor. The device comprises a buffer device (1), a linear electric motor (2), a mounting platform (3) and a programmable displacement control system (4), wherein one en...
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WO/2021/135630A1 |
A rolling bearing fault diagnosis method based on GRCMSE and manifold learning, comprising the following steps: collecting a vibration acceleration signal of a rolling bearing by using an acceleration sensor (step S1); performing feature...
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WO/2021/129423A1 |
A bearing testing method and system, and a gas turbine engine starting method and system. The bearing testing method comprises: starting a rotor, and causing same to rotate at a first rotation speed in a first direction, wherein the firs...
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WO/2021/129834A1 |
A detector capable of detecting bearing faults in advance. The detector comprises a microprocessor which is connected to a power supply and a detection information output device, and further comprises a resonance enhancement-type piezoel...
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WO/2021/133662A1 |
A mechanical seal testing system includes a mounting ring and a testing table. The mounting ring includes a first side configured to couple to a mechanical seal, the mechanical seal configured to couple to an oil pump, and a second side ...
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WO/2021/132275A1 |
This abrasion detection device is for a journal bearing mechanism in which a shaft orbits along the inner circumferential surface of a bearing, the device comprising: a detector that is attached to the shaft and/or to a bearing structure...
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WO/2021/132007A1 |
Provided is a gear reusability determination method that makes it possible to determine the reusability of a gear that is in use or has been used and enhance the rate at which gears are reused.　This gear reusability determination metho...
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WO/2021/128415A1 |
The present invention relates to the technical field of trackside acoustic diagnosis, and specifically relates to a motor transfer detection system for trackside acoustic diagnosis, comprising: an acoustic sensor array, a car-number auto...
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WO/2021/119909A1 |
A method for monitoring the health state of a blade root fastener. The method comprises the following steps: acquiring a sequence of an acceleration signal that represents the lateral vibration of a nacelle and a sequence of a rotation s...
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WO/2021/124783A1 |
Provided is a diagnosis apparatus that achieves more appropriate diagnosis. The diagnosis apparatus comprises: a sensor 110 for detecting diagnosis target information generated by a diagnosis target device 1; a threshold setting unit 127...
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WO/2021/124562A1 |
An outdoor unit of a refrigeration cycle device, said outdoor unit comprising: a mechanical chamber; an expansion valve that is disposed in the mechanical chamber; an acceleration detection device that is disposed in the mechanical chamb...
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WO/2021/119709A1 |
A connecting device (4) for the connection of mechanical shaft parts (2, 3), having a first connector section (6) for connection to a first shaft part (2), and a second connector section (10) for connection to a second shaft part (3), wh...
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WO/2021/125927A1 |
The present invention describes a tool for holding a torque converter in order to measure different variables, such as diameters, heights and temperature, to compare same at that moment against the tolerance margins indicated in the requ...
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WO/2021/117752A1 |
The present invention includes: a step for generating feature amount vectors of a first rolling bearing, which are formed of feature amounts of vibration data on the first rolling bearing; a step for performing machine-learning for the f...
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WO/2021/115681A1 |
The invention relates to an end-face mechanical seal assembly comprising an end-face mechanical seal (2) with a rotating seal ring (3) and a stationary seal ring (4), between which a seal gap (5) is defined; a measuring chamber (6) which...
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WO/2021/109566A1 |
A comprehensive testing system of an anastomat. The system comprises a cutting assembly testing device used for testing a cutting assembly of the anastomat; a motor testing device used for testing a driving motor of the anastomat; an ele...
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WO/2021/110190A1 |
The invention relates to a method comprising the steps: - first exciting of the object by means of a multi-frequency signal; - detecting a first response signal of the object at one or more measurement points on the object; - transformin...
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WO/2021/110907A1 |
The invention relates to a method for determining a damage state of components, wherein damage states are determined for a component on the basis of operating states of an overall system that comprises the component by determining time-n...
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WO/2021/104748A1 |
The invention relates to a method for operating a plain bearing; with the steps of determining of a first rotational speed, at which a transition of the lubrication state takes place, or at which the friction in the plain bearing is at a...
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WO/2021/103496A1 |
The present invention relates to an abnormal vibration-based gas insulated combined switchgear mechanical failure diagnosis method, comprising: first, using a vibration signal of a GIS in a normal state as a reference, and after determin...
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WO/2021/103042A1 |
A high-pressure experimental chamber detection system based on vision-laser combined detection, comprising a pressure chamber (2), a camera (9), a flap valve, and a 3D laser sensor for detecting three-dimensional strain of a valve flap (...
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WO/2021/104423A1 |
Development test method and system for a high-speed switch valve (29) of an automobile brake system. A test tool (16) of the high-speed switch valve (29), an oil tank (1), and a temperature sensor (3) are fixedly mounted in a high-low te...
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WO/2021/098880A1 |
An optical fiber force sensing device (4), and a system and method for monitoring loosening of a bolt (3) or a nut. The optical fiber force sensing device (4) comprises an optical fiber (41) and two optical fiber connecting parts (42), w...
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WO/2021/100615A1 |
A first differential value calculation unit (521) of this predictive maintenance assessment device (12a) acquires AE outputs (M(t)) of an AE sensor (20) installed on the surface of a metal casing (casing) of a gear box (30), and calculat...
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WO/2021/098232A1 |
Disclosed in the present invention are a method for detecting liquid flow abnormality of a heat dissipation pipeline, a water-cooled radiator, and an automobile. The method for detecting the liquid flow abnormality of the heat dissipatio...
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WO/2021/092970A1 |
The present application relates to a low-temperature large temperature variation joint bearing test platform and a measurement and observation method. The low-temperature large temperature variation joint bearing test platform comprises:...
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WO/2021/093618A1 |
An electric locomotive drive unit (1) running-in test bench (120), comprising a base (100), a lifting platform (110), and a running-in test bench (120). A receiving recess (101) is provided on the base (100); the lifting platform (110) i...
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WO/2021/088346A1 |
A performance degradation dictionary construction and similarity-based bearing lifetime prediction method. Said method comprises: on the basis of the evolution mechanism of a raceway surface morphology, dividing a degradation process int...
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