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US20150253219 |
METHOD AND ARRANGEMENT OF MEASURING A MECHANICAL BEARING OSCILLATION
An arrangement and a method of measuring a mechanical bearing oscillation within a bearing. The arrangement comprises: (1) a shaft adapted for rotating, coupled to an inner ring of the bearing,... |
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US20110178737 |
USER INTERFACE SYSTEM AND METHOD FOR DIAGNOSING A ROTATING MACHINE CONDITION NOT BASED UPON PRIOR MEASUREMENT HISTORY
A vibration data collection and rotating machinery fault diagnostic instrument includes a machine setup engine, a measurement engine, a diagnostic engine, a measurement user interface module, a... |
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US20110113882 |
Defective wheel bearing detection device
A front wheel drive bearing defect amplifier is attached to a wheel gauge mount. The amplifier includes a magnet which is positioned approximately at the center of the wheel assembly. A spacing... |
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US20060048576 |
Bearing steel,method for evaluating large-sized inclusions in the steel and rolling bearing
A first object is to provide a method for evaluating large-sized inclusions in a bearing steel. The method enables quantitative evaluation of large-sized inclusions even if the steel has a high... |
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US20110230304 |
MECHANICAL ASSEMBLY PROVIDED WITH MEANS FOR MONITORING FOR A STRUCTURAL ANOMALY, A GEARBOX PROVIDED WITH SUCH A MECHANICAL ASSEMBLY, AND A METHOD OF MONITORING FOR A STRUCTURAL ANOMALY
The present invention relates to a mechanical assembly (10) provided with a sun gear (30) and a plurality of planet gears (50) co-operating with said sun gear (30). Each planet gear (50) includes... |
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US20100089162 |
Evaluation Method for Rolling Bearing Part
An evaluation method for a rolling bearing part capable of easily and properly detecting deformation of the rolling contact surface of the rolling bearing part formed of raceway rings (1, 2) or... |
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US20090095083 |
ACOUSTIC METHOD AND APPARATUS FOR FRACTURE DETECTION OF BALL BEARINGS
A method for testing ball bearings includes applying a Hertzian contact stress on a ball bearing to provide a fracture of the ball bearing that releases acoustic energy, establishing a signal... |
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US20090114020 |
Bearing state diagnostic apparatus
Provided is a bearing state diagnostic apparatus in which a sound generated from a bearing is detected by a sound sensor, a detected value of the sound sensor is compared with data which was... |
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US20090199640 |
METHOD FOR ROLLING-ELEMENT BEARING DIAGNOSIS
The invention relates to a method for the analysis of bearing damages by means of an envelope demodulation signal, at least one variable of the envelope demodulation signal that is characteristic... |
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US20080195333 |
Method and Device for Categorizing Damage to a Roller Bearing
The invention relates to a method and a test and analytical device for categorizing antifriction bearing damages. The invention is characterized in that analysis preceding categorization comprises... |
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US20100042341 |
DEVICE FOR DETERMINING DEFORMATION IN A BEARING ROLLER
Device for determining displacement, the device comprising at least two substantially parallel plates located at a distance from each other. The device is arranged to determine a displacement of... |
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US20090126492 |
Method for evaluating reliability of steel and high-relaibility steel obtained by the same
A method for evaluating the reliability of steel in terms of small and medium-sized inclusions as well as large inclusions, and a high-reliability steel obtained by the method. The method is for... |
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US20140208851 |
VIBRATION SENSOR UNIT
A vibration sensor unit (66) is provided with a vibration sensor (72) and with an electronic signal processing circuit (82) which derives from the signals of the vibration sensor (72) information... |
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US20100071469 |
Synthesized synchronous sampling and acceleration enveloping for differential bearing damage signature
A system for detecting differential bearing damages includes a synthesized tachometer that generates a tachometer signal corresponding to the race speed difference of a bearing assembly such that... |
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US20150168256 |
METHOD, COMPUTER PROGRAM PRODUCT & SYSTEM
An electrical solution that avoids power-up problems due to excessive power consumption during start-up of for example microcontroller based electronics. According to the invention the power... |
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US20100058868 |
DEVICE FOR DETECTING AND MONITORING DAMAGE TO ANTI-FRICTION BEARINGS
The invention relates to a device for detecting and monitoring damage to races or adjacent regions of bearing rings (1, 2, 3) of anti-friction bearings. The device includes a measuring device,... |
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US20060000283 |
Turbine blade for monitoring blade vibration
The claimed invention provides a blade vibration measuring system comprising a blade, a transmitter, a target with non parallel edges located on the blade shroud and a receiver. The present... |
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US20140116142 |
SYSTEM AND METHOD FOR MONITORING THE STRUCTURAL HEALTH OF COUPLED BEARINGS
Placement of structural health monitoring sensors within a coupled bearing assembly. An exemplary structural health monitoring system comprises first and second bearings configured for rotatable... |
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US20130298680 |
METHOD OF INSPECTING WHEEL HUB UNIT
In a method of inspecting a wheel hub unit configured by attaching a rolling bearing. Which has an inner ring and an outer ring, to a hub wheel, an acoustic inspection dement is arranged so as to... |
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US20100089163 |
METHOD FOR OPTIMALLY OPERATING TRANSMISSIONS
A method for optimally operating mechanically loaded, moved, particularly rotating components, such as gearboxes, wherein in the operating stage damage accumulation is used to evaluate the... |
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US20070277610 |
DEVICE AND METHOD FOR COMBINED TESTING OF GEARS
A device (10) for measuring the running behavior of a gear pair having a rolling device (12) which comprises one spindle (15, 16) per gear (13, 14) and has at least one drive (17; 18) for driving... |
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US20070277612 |
Antifriction Bearing Provided With Polymer Electronics
An antifriction bearing provided with sensors for recording physical quantities that act upon the hearing and with strip conductors and electronic components for evaluating and/or transmitting... |
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US20150204757 |
Method for Implementing Rolling Element Bearing Damage Diagnosis
A method is provided for implementing fault diagnostics of rolling element bearings in a fleet of rotorcraft. Magnitudes of the bearing defect frequencies derived from vibro-acoustic transducer... |
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US20130180319 |
METHOD FOR IDENTIFYING DAMAGE ON TRANSMISSIONS
A method for identifying possible damage in a toothed transmission stage having at least one pair of engagement toothed wheels includes measuring with a vibration transducer an oscillation signal... |
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US20110243712 |
Bearing Vibration Measuring Device for a Turbomachine
A bearing vibration measuring device for a turbo machine in which an outer housing and an inner housing are held concentrically at a distance from one another by way of at least one strut is... |
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US20080223135 |
METHOD OF DETECTING DAMAGE TO AN ENGINE BEARING
The invention relates to a method of detecting damage in a bearing supporting at least one rotary shaft of an engine in rotation, the method consisting in: defining a measurement period... |
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US20140020467 |
NON-DESTRUCTIVE EVALUATION METHODS FOR MACHINE-RIVETED BEARINGS
The disclosed embodiments generally relate to non-destructive evaluation methods. In an embodiment, a method for non-destructive evaluation of a machine-riveted bearing includes positioning a... |
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US20080083280 |
Method and Device for Identifying a Damaged Bearing of a Rotating Shaft
The invention relates to a method and a device for identifying a damaged bearing (4a, 4b) of a rotating shaft (1). According to the invention: the rotational speed (n) of the shaft (1) is... |
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US20050022600 |
Method and device to determine the natural frequencies of a bearing system having a shaft arranged on bearings
A method to determine the natural frequencies of a bearing system having a shaft arranged on bearings is disclosed in which the shaft is vibrationally excited from one end of the shaft and a... |
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US20130008254 |
APPARATUS AND METHOD FOR DETERMINING A DAMAGE STATE OF A WHEEL BEARING
An apparatus and a method for determining a damage state of a wheel bearing (12), in which a wheel (15) with a tire (9) arranged on a rim (8) in such a manner that the wheel can be rotated on an... |
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US20090205425 |
STATE DETECTION DEVICE, STATE DETECTION METHOD, STATE DETECTION PROGRAM, AND INFORMATION RECORDING MEDIUM
A state detecting apparatus S for detecting a current operating state of an LM (linear motion) system includes an AE sensor 1 generating a detection signal Sae by detecting an AE wave elastically... |
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US20060288783 |
Bearing monitoring system
A device and method for monitoring machine components, such as bearings, in which micro-electronic monitoring devices are provided in contact with or within the component to be monitored to... |
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US20120031187 |
MACHINE WITH EVALUATION OF THE OSCILLATION SPECTRUM OF A BELT OF THE MACHINE
A machine has at least two wheels (at least one of them driven) arranged on a base body and connected with a revolving belt. A transmitter and a receiver are arranged on the base body. The... |
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US20150168255 |
METHOD, COMPUTER PROGRAM PRODUCT & SYSTEM
A method for predicting the residual life of a rolling-element bearing comprising the step of: measuring the magnitude and/or the frequency of occurrence of vibrations or high frequency stress... |
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US20100116060 |
METHOD AND SYSTEM FOR ABNORMALITY DIAGNOSIS OF VERY LOW SPEED ROTATING MACHINE
The present invention provides a high accuracy, inexpensive diagnosis method and system diagnosing an abnormality of a 10 rpm or less very low speed roller bearing using an acoustic signal, that... |
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US20050284225 |
System and method for monitoring the condition of a drive train
A gearbox condition monitoring system comprises at least one vibration sensor located on a gearbox casing. A processing unit is coupled to the vibration sensor and is configured to receive signals... |
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US20120272736 |
METHOD FOR DETECTING DAMAGE IN AT LEAST ONE ENGINE ROLLER BEARING
A method including acquiring a current vibration signal of an engine component mechanical vibration across a set of a measuring period P of changes in shaft speed N; capturing the signal during... |
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US20150219526 |
METHOD AND APPARATUS FOR MEASUREMENT OF THE NOISINESS OF A ROLLING BEARING, IN PARTICULAR OF A WHEEL HUB BEARING UNIT
A method wherein the possible abnormal noisiness and vibrations of a rolling bearing for a wheel hub unit are detected by fixing a first one of the inner and outer rings of the bearing integral on... |
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US20110252888 |
ON-BOARD ULTRASONIC FREQUENCY SPECTRUM AND IMAGE GENERATION
A portable apparatus for determining testing the condition of a machine or device using ultrasonic signals with an array of ultrasonic sensors for receiving an ultrasonic signal transmitted from... |
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US20140230555 |
METHOD OF DETECTING AND LOCALIZING PARTIAL ROTOR-STATOR RUBBING DURING THE OPERATION OF A TURBINE
The rotor of the turbine is monitored by sensors of the rotor vibrations arranged in at least one plane of measuring perpendicular to the axis of the rotor and by sensors of the absolute... |
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US20130074601 |
APPARATUS FOR ULTRASONIC TRANSDUCER OR OTHER CONTACT SENSOR PLACEMENT AGAINST A TEST MATERIAL
A spherical bearing provides a passive apparatus that enables a contact sensor that needs to self-align to the surface of a test object. In some embodiments, the contact sensor is a transducer.... |
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US20100150726 |
ARTICLE AND ULTRASONIC INSPECTION METHOD AND SYSTEM THEREFOR
A method, system and article adapted for ultrasonic inspection of the article. The article is disk-shaped and has axially-oriented slots circumferentially spaced from each other at a periphery of... |
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US20140216159 |
METHOD AND ARRANGEMENT FOR DETERMINING AND/OR MONITORING THE STATE OF A ROLLER BEARING
In a method for determining and/or monitoring the state of a roller bearing wherein during the operation of the roller bearing a sensor signal in the form of a sound emission signal is detected in... |
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US20140193257 |
ACOUSTIC NOISE MONITORING SYSTEM FOR A WIND TURBINE
The present invention relates to an acoustic noise monitoring system for a wind turbine, comprising: a microphone for monitoring acoustic noise, the microphone adapted to be mounted to the... |
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US20170184549 |
SYSTEMS AND METHODS FOR ULTRASONIC INSPECTION OF TURBINE COMPONENTS
Embodiments of the disclosure relate to ultrasonic inspection of turbine components. In one embodiment, a method for ultrasonic inspection of a turbine component can include mounting at least one... |
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US20170176287 |
BEARING ABNORMALITY SENSING SYSTEM FOR RAILWAY VEHICLE
Provided is a railway vehicle bearing abnormality sensing system that can accurately perform abnormality determination for railway vehicle bearings. The system (100) senses an abnormality in a... |
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US20170160238 |
A NON-DESTRUCTIVE TESTING METHOD AND A NON-DESTRUCTIVE TESTING DEVICE FOR AN ANCHOR BOLT
The purpose of the present invention is to provide a nondestructive inspection method and nondestructive inspection device for an anchor bolt capable of quantitatively inspecting the health of an... |
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US20170102290 |
METHODS AND SYSTEMS FOR ESTIMATING RESIDUAL USEFUL LIFE OF A ROLLING ELEMENT BEARING
Estimating residual useful life of a rolling element bearing in an operating gas turbine engine is provided. A processor receives a vibration signal from a vibration sensor. The vibration signal... |
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US20170089807 |
BALL BEARING INSPECTION DEVICE AND INSPECTION METHOD
A ball bearing inspection device includes: an arbor supporting an inner ring on the outer circumferential surface; a rotary drive unit driving the arbor; a first pressing unit applying a preload... |
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US20170059449 |
METHOD AND ASSEMBLY FOR STATE MONITORING OF A BEARING THAT SUPPORTS A PLANETARY GEAR OF A PLANETARY TRANSMISSION ON A PLANET CARRIER
A method for state monitoring a bearing that supports a planetary gear of a planetary transmission on a planet carrier, the method including measuring a structure-borne noise of the planetary... |