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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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...

Matches 1 - 50 out of 71 1 2 >