Patents
Patents for G01H 1 - Measuring vibrations in solids by using direct conduction to the detector (4,000)
12/1993
12/09/1993DE4235809C1 Vehicle sensor system for detecting surface water on road - uses base-plate with acceleration sensor at rear detecting impact of surface water thrown up by adjacent vehicle wheel
12/08/1993EP0573388A1 Generating device for characteristic signals of the displacement of a closure means
12/07/1993CA1324893C Vibration transducer mounting
12/01/1993EP0572349A1 Combined force-, strain and sound emission transducer
11/1993
11/30/1993US5265619 Process and device for measuring vibrations, in particular nervous trembling in living organisms
11/18/1993EP0570229A2 Abnormal sound detecting apparatus
11/18/1993EP0570064A1 Method of positioning an object on a carrier, device suitable for carrying out this method, and suction tube suitable for use in the device
11/02/1993US5258923 System and method for detecting the occurrence, location and depth of cracks in turbine-generator rotors
11/02/1993US5257531 Apparatus for monitoring machining state of drill
10/1993
10/29/1993CA2094981A1 Shrouded blade vibration monitor target
10/28/1993WO1993021502A1 System and method for monitoring torsional vibrations and operating parameters of rotating shafts
10/28/1993DE4213221A1 Detecting moisture on road surface from vehicle - detecting water spray noise or wheel rolling noise, bandpass filtering, forming effective value, low-pass filtering, compensating for other parameters e.g. speed or tyre pressure and relating to wetness.
10/26/1993US5255566 Bearing construction and vibration detecting apparatus
10/26/1993US5255565 Method and apparatus for monitoring multiple points on a vibrating structure
10/19/1993US5253531 System and method for monitoring torsional vibrations and operating parameters of rotating shafts
10/05/1993US5251151 From a vibrational signal
09/1993
09/28/1993US5248857 Apparatus for the acquisition of a seismic signal transmitted by a rotating drill bit
09/23/1993DE4306243A1 Hardness test method - using ultrasonic contact, with hard body on vibrated rod, and measuring with body in and not in contact with test material
09/08/1993EP0558843A1 Device for measuring vibration of a rotating blade
09/08/1993CN1022064C Turbine generator shaft torsion monitor
08/1993
08/31/1993US5239869 Acceleration detector
07/1993
07/20/1993US5228331 Viscometer
07/07/1993EP0550254A2 Method of determining drillstring bottom hole assembly vibrations
07/06/1993US5224835 Shaft bearing wear detector
07/06/1993CA1319993C Shaft torsional vibration monitor for a multi-mass rotary shaft system
07/04/1993CA2084142A1 Method of determining drillstring bottom hole assembly vibrations
06/1993
06/23/1993CN2136979Y Electronic audiomonitor for mechanical noise
06/22/1993CA1319279C Sensor probe system
06/09/1993EP0545244A1 Electronic transport monitoring device
06/01/1993US5214960 Method and apparatus for detecting defects in an object by vibrating the object in a plurality of positions
06/01/1993CA1318723C Method and apparatus for observing operating state of mechanical seal
05/1993
05/27/1993WO1993010448A1 Method and apparatus for monitoring multiple points on a vibrating structure
05/13/1993DE4203190C1 Regulation and quality assessing of welding esp. spot welding - has ultrasonic detecting probe attached to welding electrode to record noise emission level at weld location
05/12/1993EP0541277A2 Integrated vibration reducing and structural health and usage monitoring system for a helicopter
05/11/1993US5210704 System for prognosis and diagnostics of failure and wearout monitoring and for prediction of life expectancy of helicopter gearboxes and other rotating equipment
05/05/1993CN2132172Y Super-low freq. cycle tester
04/1993
04/28/1993CN2131196Y Mechanical Vibration protection switch
04/27/1993US5206816 System and method for monitoring synchronous blade vibration
04/13/1993US5201227 Device for measuring vibrations on rotating blade
04/01/1993WO1993006447A1 Method and device for monitoring the mechanical condition of rotating machines
03/1993
03/03/1993EP0467980B1 Process and device for measuring vibrations, in particular nervous trembling in living organisms
01/1993
01/28/1993DE4124302A1 Detecting and evaluating vibration sources in machinery - dividing into frequency bands, rectifying, smoothing, and feeding large amplitude signals or dynamically varying signals to regulator for acoustic or visual indication
01/06/1993CN1067735A Failure diagnosing system for intelligent mechanical ear
01/05/1993US5176032 Method and apparatus for processing electrical signals and a stress wave sensor
12/1992
12/23/1992CN1067312A Time base variable conductance analyzing technique with pulse excitation and system response
12/17/1992DE4219318A1 Measuring contact angle of ball bearing roller elements - measuring vibrations of inner or outer bearing ring whilst one ring is rotating and other is stationary
12/15/1992US5170668 Unit for measuring or other device
12/10/1992DE4118989A1 Determining state of encapsulated drive mechanisms, e.g. for periodic checking - detecting noise, digitising signal, storing as data pattern and comparing with reference pattern
12/01/1992CA1311030C Turbine blade vibration detection system
11/1992
11/25/1992CN2123066U Vibrating wave conduction resonance sensor
11/19/1992DE4116345A1 Early detection of damage in rotary machine - using single acoustic pick=up to measure structure-borne sound parameters in high and low frequency bands for calculation of coherence function
11/17/1992US5163334 Circular saw testing technique
11/03/1992CA1309576C Double eccentric mount
10/1992
10/28/1992CN1018862B Apparatus for precise detection of blade passing times
10/20/1992US5156822 Vibration detector and method for a rotating shaft
10/15/1992DE4111684A1 Vibration measurer for electric motor - includes accelerometer attached directly to pick=up on arm of cantilever supporting resiliently-suspended motor casing
10/15/1992DE4111429A1 Spinning station test - registers oscillation of rotating components for comparison with nominal values
10/14/1992EP0508683A1 Bearing assembly
10/07/1992CN1065139A Earthquake type low-frequency vibration measuring device
10/06/1992US5152172 Operating turbine resonant blade monitor
09/1992
09/29/1992US5150618 Acoustic bearing defect detector
09/22/1992US5148711 Apparatus and method for removing common mode vibration data from digital turbine blade vibration data
09/08/1992US5144840 Vibration detector and method for rotating shaft
09/03/1992WO1992015003A1 Method and device for testing motors for bearing damage and/or unallowable vibrations
08/1992
08/26/1992EP0500368A1 Survival detection system
08/26/1992CA2061754A1 Survival seismic detection system having improved tunable filter
08/25/1992US5140858 Method for predicting destruction of a bearing utilizing a rolling-fatigue-related frequency range of AE signals
08/20/1992DE4104961A1 Verfahren und vorrichtung zur pruefung von motoren auf lagerschaeden und/oder unzulaessige vibrationen Method and apparatus for testing engines stock-skin eden and / or vibration Impermissible
08/12/1992CN2112812U Electronic vibration sensor
07/1992
07/28/1992US5134591 Survival seismic detection system having improved tunable filter
07/05/1992WO1992012441A1 Sensor for detecting vibration in two orthogonal directions
07/05/1992CA2081362A1 Two orthogonal directions vibration sensor
07/01/1992CN2108928U Thundering vibration detector
06/1992
06/09/1992CA1303176C Method for eliminating sensor drift in a vibration monitoring system
05/1992
05/26/1992USRE33937 Active vibration isolation system
05/26/1992US5117148 Vibrator
05/26/1992US5115778 Apparatus for controlling an internal combustion engine
05/26/1992US5115671 Method and apparatus for analyzing rotating machines
05/21/1992DE4036713A1 Vehicle speed signalling using tachometer shaft noise - using noise sensor whose signal is analysed to detect conspicuously strongly occurring frequency
05/12/1992US5111704 Apparatus and method for simulating blade pass sensor signals
05/05/1992US5109700 Method and apparatus for analyzing rotating machines
04/1992
04/30/1992CA2053574A1 Shrouded turbine blade vibration monitor and target therefor
04/16/1992DE4032299A1 Monitoring rotatable component esp. rotor shaft - time-dependently measuring oscillatory path of component in radial direction and rotary position
04/01/1992EP0478529A2 Arrangement for the control of condition parameters of a drive determined by torsional vibrations
03/1992
03/31/1992CA1298394C Method of determining drill bit wear
03/24/1992US5097711 Shrouded turbine blade vibration monitor and target therefor
03/22/1992CA2051907A1 Direct mount system for a fluid sampling pump and method
03/10/1992US5094107 Press vibration severity/reliability monitoring system and method
02/1992
02/06/1992WO1992001909A1 Device for vibration monitoring of machines
01/1992
01/29/1992EP0468547A2 Active vibration isolation system
01/29/1992EP0467980A1 Process and device for measuring vibrations, in particular nervous trembling in living organisms.
01/28/1992US5083462 Process and device for detecting defects in moving parts having a central rotating shaft
01/28/1992CA1295033C Monitoring of exciter shaft torsional vibrations
01/21/1992CA1294699C Non-destructive evaluation of ropes by using transverse impulse vibrational wave method
01/15/1992EP0465696A1 An operating turbine resonant blade monitor
01/08/1992CN2092785U Display alarm for the use of vibration and temp.
01/07/1992US5078013 Ultrasonic measuring apparatus using a high-damping probe
01/01/1992CN1015275B Installation of sensor for turbine
12/1991
12/26/1991WO1991019963A1 Device for detecting damages to turbine blades
12/19/1991DE4019000A1 Turbine mit einer welle und daran befestigten turbinenschaufeln Turbine with a shaft and secured thereto turbine blades
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