Patents for G01M 7 - Vibration-testing of structures; Shock-testing of structures (6,340)
05/1993
05/13/1993DE4136508A1 Motor vehicle test bench with special wheel coupling - has inner section rotating with engine-driven shaft, and stationary outer section for vehicle support
04/1993
04/13/1993US5201227 Device for measuring vibrations on rotating blade
03/1993
03/30/1993US5197333 Apparatus to test the resistence to vibration of brake beams for railway car truck assemblies
03/11/1993DE4129599A1 Functionally testing rotary vibration damper stimulating object on table connected to torsion rod and evaluating torsion rod displacement-time characteristic
02/1993
02/24/1993CN2127494Y Flexible jet tube dynamic test instrument
02/23/1993US5187982 Vibration controlled experimenting device provided with a motor with an imbalanced rotor
01/1993
01/19/1993US5180958 Active control precision damping table
01/19/1993US5179860 Defect detecting method and apparatus
01/13/1993EP0521853A1 Adaptive control method for multiexciter sine tests.
01/12/1993US5179516 Variation control circuit having a displacement detecting function
12/1992
12/30/1992EP0520872A1 Vibration simulator for helicopter rotor shaft
12/25/1992CA2071570A1 Helicopter shaft vibration simulator
12/23/1992EP0518954A1 Random vibration generating apparatus.
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
11/1992
11/26/1992DE4116471A1 Automatic testing for cracks in ceramic and metal products - involves applying mechanical energy via inputs and measuring structural changes acoustically via sound in air and=or solids
11/10/1992US5163015 Apparatus for and method of analyzing coupling characteristics
11/10/1992US5161521 Oscillation degree measuring apparatus
10/1992
10/20/1992US5156051 Vibration test fixture
10/13/1992US5154567 Low frequency vibration assembly
09/1992
09/22/1992US5150069 Waveform tracking clipper circuit
09/17/1992WO1992015856A1 Method and device for the dynamic testing of seat-belt locks under high shock loads
09/17/1992DE4203709A1 Verfahren und vorrichtung zur dynamischen pruefung stark schockbelasteter gurtschloesser Method and apparatus for dynamic pruefung strong shock-loaded belt buckles
09/16/1992EP0504083A1 Device for performing fatigue and strength tests
09/12/1992WO1992015897A1 Low frequency vibration assembly
09/08/1992US5144838 Defect detecting method and apparatus
09/01/1992US5142916 Rupture initiation inspecting method and apparatus
08/1992
08/18/1992US5138884 Vibroacoustically coupled testing system
08/12/1992EP0498648A1 Method of controlling a motor vehicle vibrating system
08/12/1992CN2112816U Vibration detector
07/1992
07/29/1992EP0434766A4 Method for monitoring gasket compression during fastener tensioning
07/23/1992DE4101338A1 Impact pistol for measuring and analysing vibrations - contains fired pulse head with impact cup and piezoelectric pick=up forming unit driven by adjustable spring along barrel
07/09/1992WO1992011521A1 Vibrostand
07/08/1992CN2109565U Shaking sensor
07/08/1992CN1017375B Fatigue tester for electromagnetic eddy excitation and its design
05/1992
05/23/1992WO1992009847A1 Pipeline pig and method of pipeline inspection
05/23/1992CA2095625A1 Pipeline pig and method of pipeline inspection
05/13/1992EP0484848A1 Test device for equipments under movement
05/07/1992DE4034463A1 Test stand for measuring dynamic properties of breaking pads - has vehicle disc brake pad carrier on frame with hammer mechanism, accelerometer and frequency analyser
05/07/1992CA2054973A1 Testing device for mobile equipment
05/05/1992US5111402 Integrated aircraft test system
04/1992
04/01/1992CN1059854A Dynamic balance method for sedimentation-type centrifuge with spiral unloading
03/1992
03/31/1992US5101162 Method and apparatus for testing the response of a stress wave sensor
02/1992
02/26/1992EP0471733A1 Pile tester.
02/26/1992CN1015660B Chock-exciting method of electric eddy-magnetic push-pull and shock exciter
02/25/1992CA1296426C Impact detection apparatus
01/1992
01/28/1992US5083463 Rotatable vibration test apparatus
01/28/1992CA1295018C Method and apparatus for determining resonant frequency of a turbine blade made of a material not responsive to a magnetic field
01/09/1992WO1991017414A3 Non-destructive structural evaluation
12/1991
12/26/1991WO1991019968A1 Gauge for estimating life of structure and method of estimate with said gauge
12/12/1991WO1991019173A1 Method for assessing structural integrity of composite structures
11/1991
11/28/1991WO1991018271A1 Adaptive control method for multiexciter sine tests
11/26/1991US5068813 Phased digital filtering in multichannel environment
11/26/1991US5067509 Gas jet actuator using coanda effect
11/14/1991WO1991017414A2 Non-destructive structural evaluation
11/06/1991EP0104170B1 Apparatus for two axis screening vibration
10/1991
10/29/1991US5060519 Active control precision damping table
10/29/1991US5060516 Method and apparatus for non-destructive testing the quality of manufacturing wood panels
10/16/1991CN2086896U Electric torsional vibration exciter
10/15/1991CA1290591C Method and appparatus for the stress testing of glass containers arranged hanging
10/09/1991EP0450406A2 Waveform tracking clipper circuit
10/09/1991CN2086411U Gradient determining sensor
10/08/1991US5056024 Apparatus for testing the wheel suspension of a vehicle
09/1991
09/17/1991US5048320 Method and apparatus for impact-type inspection of structures
09/05/1991WO1991013331A1 Random vibration generating apparatus
09/05/1991CA2077259A1 Random vibration generating apparatus
08/1991
08/27/1991US5042306 Multiple direction vibration fixture
08/21/1991EP0442207A1 A method and apparatus for testing the response of a stress wave sensor
08/21/1991CN1013612B Damped reaction base for vibration testing
08/13/1991US5039228 Fixtureless environmental stress screening apparatus
08/13/1991US5038619 Process and an apparatus for testing vehicle stabilizers
08/13/1991US5038617 Apparatus for the undirectional vibration testing of an equipment under a controlled atmosphere
07/1991
07/24/1991EP0438347A1 Method and apparatus for controlling the bedding of a post
07/24/1991EP0344194B1 Process and device for testing motor vehicle stabilizers
07/03/1991EP0434766A1 Method for monitoring gasket compression during fastener tensioning.
06/1991
06/25/1991US5025655 Impact test hammer
06/18/1991US5024096 Vibration testing apparatus
06/05/1991EP0429785A2 Test bench for a torsional vibration absorber
05/1991
05/15/1991EP0427377A2 Phased digital filtering in multichannel environment
05/15/1991EP0427146A1 Oscillation degree measuring apparatus
05/15/1991CN1012628B Method and apparatus for determing resonant frequency of turbing blade made of material not responsive to magnetic field
05/02/1991EP0425127A2 Improved vibration testing system
04/1991
04/30/1991US5012428 Vibration control system
04/28/1991CA2026171A1 Vibration testing system
04/18/1991WO1991004801A1 Electromagnetic vibration generators
04/03/1991EP0420733A1 Apparatus for testing equipment under unidirectional vibrations and controlled environment
04/02/1991CA1282249C Calibration impact hammer
03/1991
03/27/1991CA2025477A1 Apparatus for the unidirectional vibration testing of an equipment under a controlled atmosphere
03/05/1991US4996881 Vibration test fixture
02/1991
02/27/1991EP0413696A1 Impact testing apparatus
02/26/1991US4995272 Low frequency
02/13/1991EP0412513A2 Method of inspection of products and apparatus therefor
02/12/1991US4991443 Vibration testing system
02/07/1991WO1991001198A1 Method for monitoring gasket compression during fastener tensioning
02/05/1991US4991107 Vibration control system
02/05/1991US4989462 Impact sensor
02/05/1991US4989455 Vibrator
01/1991
01/29/1991US4989158 Vibration control system
01/02/1991EP0406020A2 Apparatus for and method of analyzing coupling characteristics
12/1990
12/12/1990EP0401240A1 Vibration generator.
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