Patents
Sitemap › G01 - Measuring; Testing › G01H - Measurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves › G01H 17 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass
Patents for G01H 17 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the other groups of this subclass (3,373)
07/1985
07/17/1985EP0148256A1 System for operational monitoring of a machine.
07/17/1985EP0055298B1 Ignition timing control apparatus for an internal combustion engine
07/03/1985EP0146668A2 Engine knock control apparatus
06/1985
06/25/1985CA1189610A1 Remote acoustic monitoring device which is testable by variation of the supply voltage
05/1985
05/22/1985EP0141976A1 Method for determining the quality of rackets
05/21/1985US4517945 Engine vibration transmission structure
05/15/1985EP0141689A1 Method and installation for detecting wondering bodies in a nuclear reactor
04/1985
04/30/1985US4513718 Apparatus for controlling ignition timing for internal combustion engines
04/23/1985US4512310 Ignition timing control system for internal combustion engines
04/10/1985EP0136627A2 Resonator transducer system with temperature compensation
03/1985
03/26/1985US4507705 Vibration analyzing device
03/26/1985US4506551 Transducer selecting system
02/1985
02/26/1985US4501150 Acoustic polarimeter
02/26/1985US4501137 Method for detecting knocking in internal combustion engine
02/19/1985US4499877 Ignition timing control device for an internal combustion engine
02/12/1985US4498331 Knocking detecting apparatus for internal combustion engines
01/1985
01/31/1985WO1985000455A1 System for operational monitoring of a machine
01/08/1985US4493042 Bearing failure judging apparatus
12/1984
12/19/1984EP0128635A2 Measuring non-linear parameter of acoustic medium
12/05/1984EP0126946A2 Process and device for recognizing knocking in a combustion machine
12/04/1984CA1179064A1 Vibration diagnosis method for rotary machine
11/1984
11/20/1984US4483180 Method and device for checking an operating condition of an internal combustion engine
11/14/1984EP0125030A2 Apparatus for controlling ignition timing for internal combustion engines
11/13/1984US4481924 Engine knock detecting apparatus
11/13/1984US4481819 Method and apparatus for detecting metal wipe damages of plane bearing
11/13/1984US4481807 Internal combustion engine with a knocking sensor
11/07/1984EP0124362A1 Continuous casting mold oscillator load indicating system
10/1984
10/23/1984US4478082 Method and apparatus for detecting rubbing in a rotary machine
10/23/1984US4478068 Internal combustion engine knock sensing method and system
10/17/1984EP0121790A2 Method of and device for the recognition of knocks with a digital filter
10/16/1984US4476709 Knock detecting apparatus for internal combusion engines
10/09/1984US4475508 Automotive engine cylinder block
09/1984
09/04/1984US4468950 Engine vibration transmission structure
08/1984
08/28/1984US4467634 Internal combustion engine knocking sensing and recognition system
08/07/1984US4463722 Engine knock sensor
07/1984
07/03/1984US4458362 Automatic time domain equalization of audio signals
06/1984
06/26/1984US4455862 Method and apparatus of detecting engine knocking
06/26/1984US4455755 Apparatus for sensing test values at test samples
06/19/1984US4454750 Apparatus for generating a knock signal for use with an internal combustion engine
05/1984
05/29/1984US4450811 Controller for internal combustion engine
05/29/1984US4450709 Internal combustion engine with engine knock sensor
05/15/1984US4448077 Vibration diagnosis method for rotary machine
05/15/1984US4448059 Engine vibration sensor
05/02/1984EP0106940A2 An arrangement for the measurement of the difference between two flows in two separate ducts
04/1984
04/24/1984US4445206 Remote acoustic monitoring device which is testable by variation of the supply voltage
04/18/1984EP0105600A2 Apparatus for selecting a signal representing vibrations
04/10/1984US4441368 Method and means for determining ultrasonic wave attenuation in tissue
04/03/1984US4440129 Ignition timing control system for internal combustion engine
04/03/1984US4440014 Knocking detection device
03/1984
03/27/1984CA1164568A1 Device and method for producing pneumatic tires having preselected noise characteristics
03/14/1984EP0102779A2 Method and apparatus for detecting knock in a spark ignition engine
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
02/1984
02/14/1984CA1162287A1 Method and apparatus for detecting metal wipe damage in a bush or like bearing
02/07/1984US4429565 Knocking detecting apparatus for an internal combustion engine
01/1984
01/18/1984EP0098584A2 An ignition timing control method for internal combustion engines
01/17/1984US4425891 Engine knock control apparatus
01/10/1984US4424704 Knock detecting apparatus for internal combustion engine
01/03/1984US4423635 System of analysis by visual display of the vibratory movements of a rotary machine
12/1983
12/28/1983EP0096869A2 Method and apparatus of ignition timing control
12/27/1983CA1159562A1 Vibration diagnosing method and apparatus for a rotary machine
12/20/1983US4420968 Undesirable combustion characteristic detection apparatus
12/20/1983US4420967 Knock detector
12/06/1983US4418567 Knock sensing apparatus with fail indicator for use in an internal combustion engine
12/06/1983CA1158297A1 Engine knock control with knock pulse duration adjustment
11/1983
11/23/1983EP0094762A2 Automatic time domain equalization of audio signals
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
10/11/1983US4408479 Knocking detecting device for internal combustion engines
10/04/1983CA1154819A1 Engine knock control with detector and filter
07/1983
07/19/1983US4393837 Spark timing control system for an internal combustion engine
07/05/1983US4391126 Method and apparatus for detecting engine knock in an internal combustion engine
06/1983
06/22/1983EP0081769A1 Automotive engine cylinder block
06/14/1983US4387588 Knocking detector of an internal combustion engine
06/07/1983US4386526 Method for quality control of processes and construction components
05/1983
05/18/1983EP0079042A1 Internal combustion engine with engine knock sensor
04/1983
04/05/1983US4378771 System for controlling ignition timing in an engine
03/1983
03/29/1983US4377947 Device for identifying rubbing locations in rotating machines
03/22/1983US4377086 Sensor system
03/15/1983CA1143040A1 Method of controlling operation of rotary machines by diagnosing abnormal conditions
03/02/1983EP0073028A2 Automotive engine with knock sensor
02/1983
02/23/1983EP0072564A2 Device for the determination of vibrations in reactor vessel installations
02/01/1983US4370963 Ignition timing control system for internal combustion engine
01/1983
01/25/1983US4369748 Optical engine knock sensing system
01/18/1983US4368635 Knocking detector
01/11/1983US4367650 Fixture for mounting vibration sensor near limited access machine parts
01/11/1983US4367649 Acoustic polarimeter
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
11/09/1982US4357919 Ignition timing control apparatus for internal combustion engines
10/1982
10/19/1982US4354378 Knock detecting device
10/05/1982US4352293 Method of diagnosing vibration of rotary machine
09/1982
09/28/1982US4352167 Method of locating sound generation within enclosure
09/28/1982US4351282 Ignition timing control system for internal combustion engine
09/21/1982US4350045 Apparatus and method for characterizing an acoustic field
08/1982
08/31/1982US4346599 Method and apparatus for ultrasonically testing polymers
08/17/1982US4344400 Control device for an internal combustion engine
08/17/1982US4344318 Undesirable combustion characteristic detector for spark-ignited internal combustion engines
08/10/1982US4343278 Control device for an internal combustion engine
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