Patents
Sitemap › G01 - Measuring; Testing › G01H - Measurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves › G01H 1 - Measuring vibrations in solids by using direct conduction to the detector
Patents for G01H 1 - Measuring vibrations in solids by using direct conduction to the detector (4,000)
03/1984
03/13/1984US4437163 Method and apparatus for symptom diagnosis by monitoring vibration of shaft of rotary machine
03/07/1984EP0102069A2 Vibration analyzing device
03/06/1984US4435770 Vibration diagnosing method and apparatus for a rotary machine
03/06/1984US4435667 Spiral piezoelectric rotary actuator
02/1984
02/28/1984US4433582 Damping device for use with acoustic information generation machines
01/1984
01/31/1984US4428236 Method of acoustic emission testing of steel vessels or pipelines, especially for nuclear reactor installations
01/17/1984US4426641 Method and apparatus for monitoring the shaft vibration of a rotary machine
01/17/1984US4425798 Apparatus for diagnosing abnormalities in rotating machines
01/03/1984US4423635 System of analysis by visual display of the vibratory movements of a rotary machine
01/03/1984US4423634 Device for the activation of an apparatus for measuring acoustic emission by detection of background noise
12/1983
12/27/1983US4422333 Method and apparatus for detecting and identifying excessively vibrating blades of a turbomachine
12/27/1983CA1159562A1 Vibration diagnosing method and apparatus for a rotary machine
12/20/1983CA1159128A1 Motion sensing apparatus with variable threshhold
12/13/1983US4419897 Apparatus for harmonic oscillation analysis
12/06/1983CA1158352A1 Vibration transducer
12/06/1983CA1158351A1 Transducer for measuring vibrations
11/1983
11/29/1983US4417476 Charge converter for vibration monitoring instrumentation
11/16/1983EP0094155A1 A vibration sensing probe
11/08/1983US4413519 Turbine blade vibration detection apparatus
10/1983
10/25/1983CA1155684A1 Method of sympton diagnosis by monitoring vibration of shaft of rotary machine
10/13/1983WO1983003490A1 Rotating tool wear monitoring apparatus
10/12/1983EP0090893A2 Rotating tool wear monitoring apparatus
10/04/1983US4408294 Method for on-line detection of incipient cracks in turbine-generator rotors
10/04/1983US4408285 Vibration analyzing apparatus and method
10/04/1983US4408196 Seismic alarm system
09/1983
09/14/1983EP0088627A2 Vibration monitoring apparatus
08/1983
08/31/1983EP0086973A2 Tuned vibration detector
08/16/1983US4399548 Compressor surge counter
08/10/1983EP0085570A2 Vibration monitoring system for aircraft engines
07/1983
07/19/1983US4393711 Apparatus and method for ultrasonic detection of flaws in power plant piping systems
06/1983
06/07/1983US4386526 Method for quality control of processes and construction components
04/1983
04/19/1983US4380172 On-line rotor crack detection
04/06/1983EP0076168A2 Medium characterization system using ultrasonic waves
03/1983
03/15/1983CA1143040A1 Method of controlling operation of rotary machines by diagnosing abnormal conditions
03/01/1983US4375168 Apparatus for low g-level vibrational pulse detection
01/1983
01/19/1983EP0069755A1 Piezoelectric sensor.
01/11/1983US4367650 Fixture for mounting vibration sensor near limited access machine parts
12/1982
12/28/1982US4366544 Judging system for detecting failure of machine
12/08/1982EP0066494A1 System for the visual analysis of vibratory movements in a rotating machine
11/1982
11/24/1982EP0065458A1 Capacitive detector for the displacement of objects
11/09/1982US4358757 Seismic movement detector responsive in both vertical and horizontal planes
10/1982
10/12/1982US4353255 Method for determining shape of crack
10/05/1982US4352293 Method of diagnosing vibration of rotary machine
09/1982
09/28/1982US4352038 Acoustical transmission wave guide assembly for predicting failure of structured members
09/15/1982EP0059745A1 Method and device for the localisation and analysis of sound emissions.
09/01/1982EP0058705A1 Electronic control system for wheel axles of rail-mounted vehicles, especially railroad cars.
08/1982
08/17/1982US4344328 Frequency detector
08/10/1982US4343186 Vibration pickup
08/05/1982WO1982002602A1 Piezoelectric sensor
08/03/1982US4342229 Apparatus and method for the non-destructive testing of the physical integrity of a structural part
07/1982
07/28/1982EP0056553A1 Procedure for the detection of acoustic sources and apparatus for surveillance by acoustic emissions
07/20/1982CA1127873A1 Crankshaft damper resonance monitor
07/13/1982US4339640 Electrical switch
07/07/1982EP0055297A1 Monitoring device for a rotary machine
06/1982
06/30/1982EP0055125A1 Apparatus for generating acoustic waves
06/29/1982CA1126535A1 Monitoring continuous casting
06/22/1982US4335612 Method of detecting irregularities on bevel gears
06/22/1982US4335600 Detecting internal abnormalities in turbines
06/22/1982CA1126387A1 Fault detection device
06/15/1982US4334777 Method of monitoring motion
06/15/1982CA1125910A1 Drive circuitry for controlling moveable video head
06/15/1982CA1125891A1 Automatic machine tool including a monitoring system
06/01/1982CA1124827A1 Method of detecting rubbing between rotating body and stationary body
05/1982
05/04/1982CA1123089A1 Method for mounting acoustic waveguide rod
04/1982
04/29/1982WO1982001416A1 Method and apparatus for detecting and identifying excessively vibrating blades of a turbomachine
04/14/1982EP0049401A1 Method for the sound-emission examination of containers or conduits made of steel, especially in nuclear reactors
04/06/1982US4323994 Geophone spring
04/06/1982US4323077 Acoustic intensity monitor
03/1982
03/18/1982WO1982000893A1 Method and device for the localisation and analysis of sound emissions
03/18/1982WO1982000805A1 Electronic control system for wheel axles of rail-mounted vehicles,especially railroad cars
03/02/1982US4317371 Torsional vibration monitor
03/02/1982US4317368 Acoustic emission warning system for a fiberglass member
02/1982
02/23/1982US4316440 Knock detecting apparatus for internal combustion engine
02/02/1982US4314202 Flexural vibration sensor with magnetic field generating and sensing
01/1982
01/13/1982EP0043746A1 Actuation device for an acoustic emission measuring system using the detection of the background noise
01/12/1982US4310892 Method for determining imbalance in a mechanical system
01/12/1982CA1116285A1 Seismic method and apparatus including liquid filled accelerometers
01/06/1982EP0043293A1 Digital phase detector
12/1981
12/24/1981WO1981003702A1 Method and device for the acoustic supervision of machines and/or plants
12/08/1981US4304629 To electronically discriminate between hard object impact and background noise
12/01/1981US4303882 Method and apparatus for monitoring torsional vibration in the rotor of a dynamoelectric machine
12/01/1981US4302977 Vibration severity indicator
11/1981
11/24/1981US4302813 Method of controlling operation of rotary machines by diagnosing abnormal conditions
11/18/1981EP0040113A2 Seismometer
11/17/1981US4300383 Crankshaft damper resonance monitor
11/03/1981US4297885 Adhering an emitter; construction materials
10/1981
10/27/1981CA1111282A1 Apparatus for monitoring phase currents and torsional vibrations of a turbine-generator
10/21/1981EP0037821A1 Monitoring equipment for drilling operations
10/14/1981EP0037436A1 Process for quality control for production processes and machines
10/13/1981US4294120 Torsional vibration monitoring apparatus for rotating shaft system
10/06/1981US4292848 Walking-gate ultrasonic flaw detector
10/01/1981WO1981002785A1 Monitoring device for a rotary machine
09/1981
09/15/1981US4289030 Nondestructive testing utilizing horizontally polarized shear waves
08/1981
08/25/1981US4285241 Method and apparatus for the determination of the mass of an impacting object
08/11/1981US4283779 Torsional wave generator
08/11/1981US4282756 Apparatus for estimating the strain on an inaccessible portion of a rotating shaft
08/04/1981CA1106470A1 Torsional oscillation alarm system
07/1981
07/28/1981CA1105780A1 Vibration detector device
07/21/1981US4279159 Vibrometer
07/21/1981CA1105604A1 Method and system for detecting plate clashing in disc refiners
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