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2G064 | Measurement of mechanical vibrations or ultrasonic waves | |
G01H1/00 -17/00@Z |
G01H1/00-17/00@Z | AA | AA00 SUBJECTS OF MEASUREMENT |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | ||||
. Facilities | . . Nuclear reactors or peripheral equipment therefor | . . . Loose parts in nuclear reactors | . . Pipelines | . . Buildings | . . . Damage to glass or walls | |||||||
AA11 | AA12 | AA13 | AA14 | AA15 | AA16 | AA17 | ||||||
. Equipment or parts therefor | . . Electric equipment or parts therefor | . . Machine tools or parts therefor | . . Automobiles, vehicles, or ships, or parts therefor | . . . Engines (e.g., internal-combustion engines, excluding knocking) | . . Musical instruments | . . Bearings or shafts | ||||||
AB | AB00 MEASURED PHENOMENA OR MEASUREMENT CONDITIONS |
AB01 | AB02 | AB03 | AB04 | AB05 | AB06 | AB07 | AB08 | AB09 | AB10 | |
. Frequency | . Amplitude | . Direction or position | . Energy | . Propagation speed | . Distribution | . Vibrations perpendicular to the direction of propagation | . Longitudinal vibrations | . Shock waves or surface acoustic waves | . Torsional vibrations | |||
AB11 | AB12 | AB13 | AB14 | AB15 | AB16 | AB17 | AB18 | AB19 | AB20 | |||
. Resonance characteristics | . Transmission functions | . Sounds | . . Voices | . . . Noise | . . Echos or acoustic characteristics | . . . Reverberation time | . . Sound fields | . Earthquakes | . Waves | |||
AB21 | AB22 | AB23 | AB24 | AB26 | AB27 | AB28 | AB29 | |||||
. Identification of subjects | . Detection of faults | . Variants for measurement of other physical quantities | . Other measured subjects | . Measurement under specific conditions | . . Measurements under high-temperature or low-temperature conditions | . . Measurements during temperature changes | . . Underwater measurements | |||||
AC | AC00 DETECTION OF KNOCKING |
AC01 | AC02 | AC03 | AC04 | AC05 | AC06 | |||||
. Forms of detection | . . Determination of knocking cylinder by cylinder | . . Extent of knocking | . . Detection especially suited for regions of high rotation | . . Detection especially suited for regions of low rotation | . . Detection especially suited for excessive rotation | |||||||
AC11 | AC12 | AC13 | AC14 | AC15 | ||||||||
. Location of sensor mounting | . . Cylinder block | . . Plug position | . . Cooling-water chamber | . . Locations especially suited for detection in multiple cylinders | ||||||||
AC21 | AC22 | AC23 | AC24 | AC25 | AC26 | AC27 | AC28 | |||||
. Detection signals | . . Vibrations | . . Sounds | . . Use of auxiliary signals with detection signals | . . . Auxiliary signals | . . . . Number of revolutions | . . . . Load | . . . . Crank angle | |||||
AC31 | AC32 | AC33 | AC34 | AC35 | AC36 | AC37 | AC38 | AC40 | ||||
. . . Additional uses of auxiliary signals | . . . . Use for measuring vibrations or the like | . . . . . Use for measuring of measurement periods or timing | . . . . . Use for selection of sensors | . . . . Use for working data on vibrations or the like | . . . . . Use for averaging | . . . . . Use for amplitude | . . . . . Use for selection of filters | . . . . Use for algorithms that determine knocking | ||||
AC41 | AC42 | AC43 | AC44 | AC45 | AC46 | AC47 | AC48 | AC49 | ||||
. Algorithms that determine knocking | . . Comparison of knock signals and references | . . . Algorithms that use multiplication | . . . . Variable algorithms | . . . Reference signals | . . . . Algorithms that do not include knock data | . . . . . Algorithms that use independent sensors | . . . . . Algorithms that use filters | . . . . Algorithms that include knock data | ||||
AC51 | AC52 | AC53 | AC54 | AC56 | AC60 | |||||||
. . . . Methods of creating reference signals | . . . . . Determination of mean values | . . . . . Integration | . . . . . Inclusion of data from the previous time | . . Determination of knocking cylinders | . Other knocking detection | |||||||
BA | BA00 FEATURES COMMON TO VIBRATION MEASURING MEANS |
BA01 | BA02 | BA03 | BA04 | BA05 | BA07 | BA08 | ||||
. Forms | . . Ability to sense vibration magnitude | . . Direction of sensing | . . Means that specifically eliminate directionality | . . Means that specifically increase directionality | . Sensor assembly | . Arrangement of sensor component elements | ||||||
BA11 | BA12 | BA13 | BA14 | BA15 | BA16 | BA17 | BA18 | BA19 | ||||
. Measurement of sensing-element characteristics | . Correction | . . Temperature correction | . Calibration or adjustment | . Attachment of instruments for measuring | . . Grip-type instruments | . . . Structure of tip sections | . . . Gripping devices | . . . Pressure adjustment | ||||
BA21 | BA22 | BA23 | BA24 | BA25 | BA26 | BA28 | BA30 | |||||
. . Attachment structures | . . . Attachment bases | . . . . Structures that use resonance characteristics | . . . . Horizontal attachment | . . . . . Use of fluids | . . . Additional attachment of other members | . . Selection of attachment location | . Other common features | |||||
BB | BB00 MECHANICAL MEASUREMENT MEANS |
BB01 | BB02 | BB03 | BB04 | BB05 | BB06 | BB08 | BB10 | |||
. Forms of mechanical measurement means | . . Use of inertial bodies | . . . Weights | . . . . Means that detect displacement | . . . . . Horizontal displacement | . . . . . Vertical displacement | . . . . Inverted means | . . . Steel balls | |||||
BB11 | BB12 | BB13 | BB14 | BB16 | BB18 | BB20 | ||||||
. . . . Means that detect displacement | . . . . Means that detect slipped balls | . . . . . Balls that operate fluid valves | . . . . . Balls that constitute valves | . . . . Multiple balls | . . . Means that use fluids as inertial bodies | . . . Detection locations | ||||||
BB21 | BB22 | BB23 | ||||||||||
. . . . Detection at the displacement end-point | . . . . Detection at stationary locations (i.e., base locations) | . . . . . Detection of base changes | ||||||||||
BB31 | BB32 | BB33 | BB34 | BB35 | BB36 | BB37 | BB38 | BB39 | BB40 | |||
. Structure | . . Support structures of inertial bodies | . . . Springs | . . . . Multiple directions | . . . Magnetic force | . . . . Magnetic inertial bodies | . . . . Structures that use repulsion | . . . Structures that use support surface shape | . . . . Concave surfaces | . . . . . Concave surfaces and grooves | |||
BB41 | BB42 | BB43 | BB44 | BB45 | BB47 | BB48 | BB49 | BB50 | ||||
. . . . Grooves | . . . Structures that use pressure | . . . Hanging structures | . . . . Removable structures | . . . Structures that are simply laid in place | . . Structures for increased sensitivity | . . . Use of convex surfaces | . . . Inverted structures | . . . . Structures that use weights | ||||
BB51 | BB55 | BB56 | BB57 | BB58 | BB59 | BB60 | ||||||
. . Means of adjustment | . Means of detection | . . Mechanical means of detection | . . . Means that operate valves | . . . . Means that operate valves by inertial bodies | . . . . . Inertial bodies that constitute valves | . . . Means that operate switches | ||||||
BB61 | BB64 | BB65 | BB66 | BB67 | BB68 | BB70 | ||||||
. . . . Means that operate switches using inertial bodies | . . Electrical detection means | . . Magnetic detection means | . . Optical detection means | . . Acoustic detection means | . Reset means | . Other mechanical means of measurement | ||||||
BC | BC00 OPTICAL MEANS OF MEASUREMENT |
BC01 | BC02 | BC03 | BC04 | BC05 | BC06 | BC07 | BC08 | BC10 | ||
. Detection methods | . . Optical quantities | . . Light-beam position | . . Degree of parallelism | . . Doppler effect | . . Interference | . . . Holography | . . . Speckle interference | . . Moire techniques | ||||
BC11 | BC12 | BC13 | BC14 | BC15 | BC16 | BC17 | BC18 | BC19 | BC20 | |||
. Main optical means | . . Fibers | . . . Use of changes in characteristics | . . Mirrors | . . . Half-mirrors | . . . Curved mirrors | . . Prisms | . . . Use of critical angles | . . Lenses | . . Lattices | |||
BC21 | BC22 | BC23 | BC24 | BC25 | BC26 | |||||||
. . Light-blocking plates | . . Electro-optical elements | . . . Liquid crystals | . . . Optical conversion elements | . . . . Position-sensitive light detectors (PSD) | . . Means that use changes in light-path length | |||||||
BC31 | BC32 | BC33 | BC34 | BC35 | BC37 | BC40 | ||||||
. Light sources | . . Lasers | . . Pulsed light | . . Light-emitting elements | . . . Light-emitting diodes | . Hydrophones | . Other optical means of measurement | ||||||
BD | BD00 ELECTRICAL MEANS OF MEASUREMENT |
BD01 | BD02 | BD03 | BD04 | BD05 | BD08 | BD09 | BD10 | |||
. Form | . . Means wherein electrical characteristics change | . . . Variants wherein resistance changes | . . . . Strain gauge structures | . . . Variants wherein electrostatic capacitance changes | . . Means that use changes in magnetic force | . . . Means that vary magnetic force | . . . . Variants that use electromagnets | |||||
BD11 | BD12 | BD13 | BD14 | BD15 | BD16 | BD17 | BD18 | BD19 | BD20 | |||
. . . . Variants that use permanent magnets | . . . . Variants that use induction coils or the like | . . . . Variants that use magnetic bodies | . . . Means of detection | . . . . Coils | . . . . Hall elements | . . Variants that use changes in electrical output | . . . Piezoelectric elements | . . Means that detect after conversion to another physical quantity | . . . Means that convert sound volume | |||
BD21 | BD22 | BD23 | BD24 | BD25 | BD26 | BD27 | BD28 | BD29 | BD30 | |||
. Structure | . . Variants that use resonance plates | . . . Variants with elements spread out over resonance plates | . . . . Multiple elements | . . . Variants wherein the elements themselves double as resonance plates | . . . Resonance plates | . . . . Clad structures | . . . . . Partially clad structures | . . . . Shape | . . . . . Compressed shapes | |||
BD31 | BD32 | BD33 | BD34 | BD35 | BD36 | |||||||
. . . . . Changes in thickness | . . . . . . Compressed thickness | . . . . . Variants with multiple vibration plates formed as a unit | . . . . . Screws | . . . . . Disks | . . . . . . Donut-like disks | |||||||
BD41 | BD42 | BD43 | BD44 | BD45 | BD46 | BD47 | BD48 | BD50 | ||||
. . . Forms of support | . . . . Center support | . . . . Variants with one plate secured | . . . . . Variants wherein weights are provided at the ends of the plates | . . . . . Variants wherein weights are provided in the middle of the plates | . . . . . Variants wherein the weights move | . . . . Variants with two ends of a plate secured | . . . . . Variants that use weights | . . . . Three-directional variants | ||||
BD51 | BD52 | BD53 | BD55 | BD56 | BD57 | BD58 | BD59 | BD60 | ||||
. . . . Four-directional variants | . . . . Multi-directional variants | . . . . Circumference support | . . . Support structures | . . . . Variants with structures for attachment to the plates per se | . . . . Support structures that grip | . . . . . Intermediate articles | . . . . . . Insulation | . . . . Support structures attached by welding or adhesion | ||||
BD61 | BD62 | BD63 | BD64 | BD65 | BD66 | BD67 | BD68 | BD69 | BD70 | |||
. . Variants that hang | . . . Variants that pass through springs | . . . Variants that pass vertically through springs | . . . Variants that pass vertically and horizontally through springs | . . . Multi-directional variants | . . Variants that use weights | . . . Variants that carry weights | . . . . Variants that also use springs | . . . . Variants that also use screws | . . . . Donut-shaped variants | |||
BD71 | BD75 | BD76 | BD77 | BD78 | BD80 | |||||||
. . Support using magnetic force | . . Signal-fetch structures | . . . One-sided structures | . . . Structures that also serve for attachment | . . . Grounding | . Other electrical means of measurement | |||||||
CC | CC00 PROCESSING OF MEASURED SIGNALS |
CC01 | CC02 | CC03 | CC04 | CC05 | CC06 | CC07 | CC08 | |||
. Data extraction | . . Use of filters | . . . Use of multiple filters | . . . . Switching between multiple filters | . . . Varying of characteristics | . . . . Varying of frequency characteristics | . . . . Varying of time constant characteristics | . . . Compensation for delay caused by filters | |||||
CC11 | CC12 | CC13 | CC15 | CC16 | CC17 | CC18 | CC19 | |||||
. . Masking | . . . Variable masking | . . Processing of signals from multiple sensors | . . Baseline (i.e., zero point) processing | . . Rectification | . . Phase | . . Scanning | . . Detection | |||||
CC21 | CC22 | CC23 | CC24 | CC25 | CC26 | CC27 | CC28 | CC29 | CC30 | |||
. Working data | . . Amplitude | . . . Variable amplitude | . . . . Feedback-type variants | . . . . Multistage-type variants | . . Analog-digital (A/D) conversion | . . . Binarization | . . Counting | . . Calculation | . . . Addition and subtraction | |||
CC31 | CC32 | CC33 | CC34 | CC35 | CC36 | |||||||
. . . Multiplication and division | . . . . Squaring | . . . Integration | . . . Differentiation | . . . Averaging | . . Delay | |||||||
CC41 | CC42 | CC43 | CC44 | CC45 | CC46 | CC47 | ||||||
. . Frequency analysis | . . . Spectral analysis | . . . Fourier transforms | . . Histograms | . . Statistical techniques | . . Time variation | . . Correlation analysis | ||||||
CC51 | CC52 | CC53 | CC54 | CC55 | CC56 | CC57 | CC58 | CC59 | CC60 | |||
. Comparison | . . Comparison of spectral patterns | . . Comparison at specific frequencies | . . Comparison with reference values | . . . Comparison with multiple reference values | . . . Comparison with variable reference values | . . . Comparison with reference values established in memory | . . . Comparison with reference values established by measured values | . . Comparison with previous values | . . Comparison periods during which vibration is produced | |||
CC61 | CC62 | CC63 | CC64 | CC65 | CC70 | |||||||
. Determination and judgment | . . Processing after determination that abnormal values have occurred | . . . Change of extraction method | . . . Change of working methods | . . . Change of comparison techniques | . Other measured signal processing | |||||||
DD | DD00 DETAILS AND OTHER STRUCTURES |
DD01 | DD02 | DD03 | DD04 | DD05 | DD06 | DD07 | DD08 | DD09 | DD10 | |
. Indication | . . Means of indication | . . . Mechanical indication means | . . . . Use of the vibrations per se | . . . Acoustic indication means | . . . Optical indication means | . . . . Band-like means | . . . . Graphic indication | . . . . . Graphs | . . . . . Animated indication | |||
DD11 | DD12 | DD13 | DD14 | DD15 | DD16 | DD17 | DD18 | DD19 | ||||
. . Indicated contents | . . . Indication of measured phenomena | . . . Presence or absence of vibrations or the like | . . . Contents particularly associated with the measured object | . . . Determination results | . Recording | . . Direct recording using vibrations | . . Electrical recording | . Control of instruments for measuring | ||||
DD21 | DD22 | DD23 | DD24 | DD25 | DD26 | DD27 | DD28 | DD29 | DD30 | |||
. Detection of system or sensor breakdown | . . Use of dummy signals | . Excitation or sound sources | . . Adjustment | . . . Adjustment of output | . . . Adjustment of frequency | . Accessories | . Other details | . . Electrical components | . . . Power sources | |||
DD31 | DD32 | DD33 | DD34 | DD35 | ||||||||
. . . Connectors | . . Mechanical components | . . . Jigs | . . Chemical components | . . . Materials |