Patents
Patents for G01H 1 - Measuring vibrations in solids by using direct conduction to the detector (4,000)
04/1997
04/17/1997DE19537989A1 Determining and quantifying dynamic sea state influence on power variations of ship drive system
04/15/1997US5621174 Vibration detection device
04/09/1997EP0720728A4 Two-wire constant current powered transducer
04/08/1997US5618993 Ultrasonic detection apparatus and method for detecting acoustic emission
04/02/1997EP0765466A1 Microwave system and method for monitoring turbine blade vibration
03/1997
03/25/1997US5614674 Method and apparatus for predicting fatigue by introducing a continuous excitation to determine damping factor
03/20/1997WO1997010491A1 Portable, self-contained data collection systems and methods
03/12/1997EP0762453A1 Vibration switch and portable motor-driven device with it
03/11/1997US5610339 Method for collecting machine vibration data
03/05/1997CN2248866Y Protective device for sensor
03/01/1997CA2165003A1 Sensors for vibration detection
02/1997
02/27/1997WO1997007590A1 Mechanical vibration detector and vibration damping controller
02/27/1997WO1997007521A1 Inertia switch and mounting therefor
02/19/1997EP0758740A2 Vibration monitor and monitoring method
02/12/1997EP0757786A1 Method and apparatus for isolating and identifying periodic doppler signals
02/12/1997CN1142604A Seismosensitive element and method of making the same
02/11/1997US5602761 Machine performance monitoring and fault classification using an exponentially weighted moving average scheme
02/11/1997US5602757 Vibration monitoring system
02/11/1997US5602533 Device for sensing a state change in a mechanical system, method for monitoring the state of a mechanical system and use of said device
02/11/1997US5602337 Abnormal sound detecting apparatus
02/05/1997CN1142047A Method for defining destructive degree of building destructed from earthquake and instrument thereof
01/1997
01/21/1997US5595117 Method and apparatus for damping bending vibrations of cylinders in a printing press
12/1996
12/19/1996WO1996041158A1 Method and apparatus for predicting structural integrity by estimating modal damping factor
12/19/1996CA2224151A1 Method and apparatus for predicting structural integrity by estimating modal damping factor
11/1996
11/27/1996EP0744017A1 Noninvasive method and apparatus for determining resonance information for rotating machinery components and for anticipating component failure from changes therein
11/27/1996CN2241329Y Low frequency vibration speed sensor
11/26/1996US5579238 Instrumented computer keyboard for prevention of injury
11/26/1996US5578756 Method and apparatus for evaluating soundness of block-like structures
11/21/1996WO1996036899A1 Method of forming and reproducing a three-dimensional image and a device for that purpose
11/21/1996WO1996036855A1 Body to be bonded to a machine housing and adhesive connection between an adhesion surface of a body and a corresponding adhesion surface on the outside of a machine housing
11/07/1996WO1996035132A1 Seismometers and the like
10/1996
10/30/1996EP0740140A2 Vibration evaluation method for rotary body in static field
10/30/1996CN1134546A Method and apparatus for evaluating soundness of block-like structure
10/10/1996DE19542729C1 Oscillation detector having piezoceramic element and seismic mass esp. for knock detection in combustion engine
10/08/1996US5563575 Seismic alarm device for vehicles
10/03/1996WO1996030649A1 Circulating blower, vacuum pump or the like
10/02/1996DE19518409C1 Acoustic fault identification for determining e.g. bearing damage from radially measured air sound signal
10/02/1996DE19511430A1 Umwälzgebläse, Vakuumpumpe oder dergleichen Circulating blower, vacuum pump or the like
09/1996
09/26/1996WO1996029581A1 Vibration dosimeter worn by an operator
09/17/1996US5557099 Signal device for turbo-engines using an optical probe with an elliptical shaped light beam
09/04/1996CN1032718C Failure diagnosing system for intelligent mechanical ear
09/03/1996US5551881 Method and system for geophysical and geologic modeling
08/1996
08/22/1996WO1996025727A1 Apparatus and method for simulating a human mastoid
08/22/1996CA2212739A1 Apparatus and method for simulating a human mastoid
07/1996
07/31/1996CN1127882A Apparatus for making hermetic sensor
07/30/1996US5541857 Process and device for monitoring vibrational excitation of an axial compressor
07/25/1996DE19524151C1 Oscillation sensor with metal pressure sleeve
07/24/1996CN2231793Y Wire vibration measurer
07/24/1996CN1127551A Monitoring system for representing the states of vibration of a plurality of blades on a rotating wheel
07/23/1996US5539387 Earthquake sensor
07/10/1996EP0720728A1 Two-wire constant current powered transducer
07/09/1996US5533400 Process for the early detection of a crack in a rotating shaft
07/03/1996EP0719404A1 Sensor system
07/02/1996US5532538 Sensing and signal processing devices using quasi-SH (shear horizontal) acoustic waves
06/1996
06/26/1996EP0718608A1 Method for analysing regularly excited mechanical vibrations
06/18/1996CA2135602C System and method for monitoring torsional vibrations and operating parameters of rotating shafts
06/11/1996US5524491 Combined force, strain and sound emission transducer
05/1996
05/28/1996US5520061 Multiple axis transducer mounting collar
05/22/1996EP0662213A4 System for detecting wood-destroying insect infestations in wood.
05/21/1996US5519637 Wavenumber-adaptive control of sound radiation from structures using a `virtual` microphone array method
05/14/1996US5517183 Method for producing an error control signal
05/08/1996EP0710841A2 Driveline vibration analyzer
05/08/1996EP0710355A1 Monitoring system for representing the states of vibration of a plurality of blades on a rotating wheel
05/02/1996WO1996013011A1 Vibration monitoring system
05/01/1996CN1121584A Seismosensitive element
05/01/1996CN1031734C Variable time-base admittance measuring method for pulse excitation and system response
04/1996
04/30/1996US5511426 Process and device for measuring operating turbine blade vibrations
04/30/1996US5511422 Method and apparatus for analyzing and detecting faults in bearings and other rotating components that slip
04/23/1996US5509310 Bearing assemblies including proximity probes
04/17/1996CN2225034Y Direct electric sensor
04/10/1996EP0705422A1 Continuous monitoring of reinforcements in structures
04/03/1996EP0704050A1 Determining metallic material fatigue or integrity of a joint by measuring damping factors
03/1996
03/27/1996EP0519051B1 Sensor for detecting vibration in two orthogonal directions
03/26/1996US5502650 Apparatus for adjusting rotor
03/26/1996US5501105 Digital signal processing of encoder signals to detect resonances in rotating machines
03/21/1996WO1996008701A1 Electromechanical transducer
03/07/1996WO1996007095A1 Remote self-powered structure monitor
03/07/1996CA2198737A1 Remote self-powered structure monitor
03/05/1996US5495764 Vibration measurement system for a rolling bearing
02/1996
02/22/1996WO1996005486A1 Method and apparatus for determining resonance information
02/22/1996CA2193628A1 Method and apparatus for determining resonance information
02/15/1996DE4428526A1 Acoustic vibration based solid body measuring method for force spectrum determn.
02/15/1996DE4428519A1 Measuring or representing of shear vibration or shear wave fields in solid body
02/07/1996CN1116297A Testing method and equipment for disc saw
02/01/1996DE4439879C1 Level sensor in form of vibration limit switch
02/01/1996DE4426801A1 Verfahren zum Bereitstellen einer Bewertungsgröße für die Schwingungsbeanspruchung eines Prüflings A method for providing an evaluation quantity for the vibration stress of a test object
01/1996
01/31/1996EP0694313A2 Method and equipment for monitoring of extracorporeal blood circulation devices
01/24/1996EP0693676A2 Coriolis type mass flowmeter
01/24/1996EP0693176A1 Method and apparatus for analyzing and detecting faults in bearings and other rotating components that slip
01/16/1996US5484968 Interference device for discriminating a certain oscillation
01/16/1996US5483833 Method and apparatus for monitoring aircraft components
01/02/1996US5479826 Microwave system for monitoring turbine blade vibration
01/02/1996US5479824 On-line shaft crack detector
12/1995
12/28/1995WO1995035484A1 Microwave system and method for monitoring turbine blade vibration
12/26/1995US5477735 Two-wire constant current powered transducer
12/19/1995US5476009 Method and apparatus for determining material fatigue by measuring damping factors
12/14/1995DE4423495C1 Mounting for multiple acceleration transducers
12/12/1995US5474813 Covering shaft with photosensitive material, masking, then synchronized rotation and exposure to controlled radiation
12/05/1995US5473315 Enhanced means of processing signals used to interpret the condition of machinery
12/05/1995US5471880 Method and apparatus for isolating and identifying periodic Doppler signals in a turbine
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