CPC Definition - Subclass G01M
This place covers:
Testing characterised by the objects investigated:
- Machines or machine parts – see definitions for G01M 1/00, G01M 9/00, G01M 10/00, G01M 13/00, G01M 15/00, G01M 17/00
- Apparatus not provided elsewhere – see definitions for G01M 11/00, G01M 99/00
Testing characterised by the properties investigated:
- Balance – see definition for G01M 1/00
- Fluid tightness – see definition for G01M 3/00
- Elasticity, deflection – see definition for G01M 5/00
- Vibration resistance – see definition for G01M 7/00
- Aerodynamic properties – see definition for G01M 9/00
- Hydrodynamic properties – see definition for G01M 10/00
- Optical properties – see definition for G01M 11/00
Attention is drawn to the following places, which may be of interest for search:
Devices for testing the performance of portable percussive tools with fluid-pressure drive |
In this place, the following terms or expressions are used with the meaning indicated:
Calibrating | means ascertaining the quality of a measuring or testing device, or checking, adjusting graduations of measuring or testing device. |
Monitoring | means maintain a continuous or periodical watch (human or instrumental) on, to enable action to be taken or initiated, or a signal to be given, if undesired conditions occur. |
Investigating | means testing or determining. |
Testing | means determination of the presence, quality, or genuineness of object to be tested. |
This place covers:
Methods and apparatus for:
- determining and compensating static or dynamic imbalance of machines or structures;
- determining the moment of inertia of machines or structures;
- static balancing of machines or structures;
- determining position of centre of gravity of machines or structures;
- combined machines or devices for both determining and correcting imbalance of machines or structures.
Subclass G01H covers the combination of generation and measurement of mechanical and other vibrations while subclass G01M covers determining imbalance by oscillating or rotating the body to be tested.
Subclass G01R covers instruments for measuring electrical variables, which can be used for balancing machines or devices but not specially adapted for this purpose.
Subclass H04R covers electromechanical transducers producing acoustic waves or variations of electric variables (current or voltage) while subclass G01M covers determining imbalance by converting vibrations due to imbalance into electric variables.
The testing of vehicles is covered in group G01M 17/00, but nontrivial methodological details of such testing can justify also assigning groups G01M 1/02 - G01M 1/14 and G01M 1/30.
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Balancing rotary bowls of centrifuges | |
Equipment to decrease pitch, roll or like unwanted vessel movements; Apparatus for indicating vessel attitude | |
Determining vessel properties with respect to stability or balance | |
Aircraft stabilisation not otherwise provided for | |
Preventing or reducing imbalance or noise | |
In assembly, mounting or commissioning of wind motors, balancing static or dynamic imbalances | |
Centring the rotor within the stator; Balancing the rotor |
Attention is drawn to the following places, which may be of interest for search:
Means for holding wheels or parts thereof | |
Balancing machines or engines for liquids | |
Balancing non-positive-displacement pumps | |
Counterweights; Attaching or mounting same | |
Correcting- or balancing-weights or equivalents means for balancing rotating bodies, e.g. vehicle wheels | |
Measuring vibrations in general | |
Measuring electrical variables in general | |
Control of mechanical oscillations | |
Microphones or like acoustic electromechanical transducers |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Test of wheels | |
Uniformity test of tyre | |
Tyre chucks for testing purposes | |
Uniformity test of tyre and surface correction |
Attention is drawn to the following places, which may be of interest for search:
Means for holding wheels or parts thereof |
This place does not cover:
Determining unbalance by dynamic methods |
Attention is drawn to the following places, which may be of interest for search:
Levelling, stabilizing of vehicles transporting loads |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Arrangements for detecting or measuring imbalance in washing machines, washer-dryers or laundry dryers |
Attention is drawn to the following places, which may be of interest for search:
Counterweights |
Attention is drawn to the following places, which may be of interest for search:
Correcting-weights per se |
This place covers:
Devices for compensating unbalance by removing by grinding or drilling.
Attention is drawn to the following places, which may be of interest for search:
Uniformity test of tyre and surface correction |
This place covers:
Devices for:
Hydraulic positioning of balancing weights.
Electric, magnetic positioning, like solenoids, motors.
Mechanical positioning.
Balancing with free moving parts, like balls,
Balancing by using eccentric discs.
This place covers:
Investigating fluid-tightness of structures:
Like cables, tubes, pipes, welds, pipe joints, seals, valves, containers, radiators.
By using thermal means, pigs or moles, fluid or vacuum, tracer materials, infrasonic, sonic, or ultrasonic vibrations, pressure or flow or level detector, light or by using other electric means, e.g. by observing electric discharges.
With leakage calibration devices and standard leak
Attention is drawn to the following places, which may be of interest for search:
Detection of leak in washing machines | |
Membrane leak detection in blood dialysis | |
Detecting medical infusion flow leakage | |
Detecting or repairing leaks in apparatus using semi-permeable membranes | |
Leak detection in membrane | |
Testing for leaks in apparatus for blow-molding | |
Monitoring, testing or servicing air conditioning in vehicles | |
Leakage-indicating devices for large containers | |
Locating fluid leaks in boreholes or wells | |
Leakage detectors for rocket-engine plants | |
Leak detection in pumps | |
Means for stopping flow from pipes | |
Preventing, monitoring or locating loss in the pipe-line and networks | |
Leak detection in steam boilers | |
Leakage detection in pressure sensors | |
Investigating material strength by pressure test | |
Investigating the permeability, pore volume, or surface area of porous materials | |
Investigating the presence of flaws or irregularities of material by mechanical methods | |
Investigating the presence of flaws, defects or contamination by the use of optical means | |
Investigating the presence of flaws by the use of microwaves | |
Investigating the presence of flaws by wave or particle radiation, e.g. X-rays | |
Investigating the presence of flaws by the use of thermal means | |
Investigating the presence of flaws by the use of electric, electro-chemical or magnetic means | |
Investigating the presence of flaws by the use of ultrasonic, sonic or infrasonic waves | |
Leakage detection for insulated conductors or cables characterised by their form | |
Mass spectrometers per se | |
Leak testing of cell or batteries |
This place does not cover:
Leak detection using sonic vibration in pipe using pigs moles | |
Leak detection using pressure, flow or level detector in pipe using pigs moles |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Pig moles per se | |
General pipeline inspection |
This place covers:
Dummy leakage generators for sensitivity check.
Standard volume tanks for leakage test.
Changing means of fine volume for calibration.
Fine leakage bulb.
Standard leak bodies controlling probe gas flow.
This place does not cover:
Calibration of leak detection using tracermaterials |
Attention is drawn to the following places, which may be of interest for search:
Means for stopping flow from pipes |
Attention is drawn to the following places, which may be of interest for search:
Failures in purge control systems |
Attention is drawn to the following places, which may be of interest for search:
Mass spectrometer per se |
Attention is drawn to the following places, which may be of interest for search:
Multistage pump, specially adapted to production of high vacuum, like molecular pumps |
This place covers:
Systems for:
- Locating leak in underground pipes.
- Signal processing in the time and frequency domain.
- Signal processing using correlation techniques.
- Passive detection (no active source is used).
Attention is drawn to the following places, which may be of interest for search:
Leak detection using pig-moles |
Attention is drawn to the following places, which may be of interest for search:
Leakage-indicating devices for large containers |
This place covers:
Also container closure devices.
This place covers:
Tightness of tanks, bottles, cans and methods or apparatus:
Using introduction of overpressure into interior space;
Using vacuum pump and controlling vacuum pressure and also by measuring on/off of vacuum pump or by measuring pressure change while pump cycles have predetermined on/off cycles.
Attention is drawn to the following places, which may be of interest for search:
Leak testing of cell or batteries |
This place covers:
Test cells, testing pockets, test chambers, seal chambers, testing bells.
This place covers:
Investigating the elasticity of structures, e.g. deflection of bridges, aircraft wings.
Testing elastic properties of bodies or chassis, e.g. torsion-testing.
This place does not cover:
Aerodynamic testing; Arrangements in or on wind tunnels |
Examples of places in relation to which this place is residual:
Investigating the properties of solids material by application of mechanical stress |
This place covers:
Vibration testing or shock testing of structures.
This place does not cover:
Aerodynamic testing; Arrangements in or on wind tunnels |
Examples of places where the subject matter of this place is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:
Testing gearings or transmission mechanisms by acoustic or vibration analysis | |
Testing bearings by acoustic or vibration analysis |
Attention is drawn to the following places, which may be of interest for search:
This group has some overlap with G01M 5/0066 (testing of structure using vibration or acceleration detection or excitation). It is possible to classify in both main groups (G01M 7/00 and G01M 5/00): a classification in G01M 5/00 are suited for documents making the emphasis on the testing of the structure, and documents making emphasis on the vibration testing are suited to be classified in G01M 7/00.
This place covers:
Environmental testing.
This place covers:
Overload protection.
This place covers:
Measurement data analysis of vibration testing.
Attention is drawn to the following places, which may be of interest for search:
Producing shaped articles by using vibration | |
Producing shaped articles by using vibration tables | |
Details of apparatus for testing material with sonic waves |
Attention is drawn to the following places, which may be of interest for search:
Shock testing of vehicles | |
Measuring force due to impact | |
Shock-testing of solid materials | |
Anatomic models |
This place covers:
Aerodynamic testing and arrangements therefore.
Also covered is parachute canopy testing, testing using infrared camera, chimney testing, space conditions, simulation, testing of autopilots, heat conversion, balancing of propellers.
This place covers:
Complete arrangements as well as simulations.
This place covers:
Partial details of wind tunnels, measurements arrangements, investigation properties, like acoustic or wind distribution, wall arrangements, wind or smoke or hot gas production, production of environmental conditions, supersonic flow generators, high speed plasma generators, holding or support devices of the object under test, vibration absorbers, isolation, high pressure wave generator.
This place covers:
Theoretical arrangements for aerodynamic measuring, constructions in combination with visualisation methods of flow profiles, simulation, space conditions, turbulators on airfoils for transient simulation, balances incorporated in test object.
This place covers:
Theoretical models and model construction for aerodynamic measurements or observing or form creation.
This place covers:
Hydrodynamic testing and arrangements therefore, e.g. means for studying the flow of fluid about the object to be tested.
Attention is drawn to the following places, which may be of interest for search:
Monitoring properties or operating parameters of | |
Strain gauge | |
Investigating the ductility of materials | |
Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft |
This place covers:
Testing of optical apparatus, e.g. testing of fiber, testing of mirror, testing of optical properties of lenses (measuring refractive power, geometrical properties or aberrations, material or chromatic transmission properties, the optical modulation transfer function of optical apparatus and etc.) or mechanical properties. Testing of headlights. Testing structures by optical methods not otherwise provided for.
This group also covers theoretical articles, calibration arrangements not otherwise provided, parts of testing systems, like power meters, testing resistance to radiation, end face monitoring, photo acoustic methods.
This group is residual place for classifying testing of optical devices or apparatus not provided for in any other subclass of the CPC. Testing of particular optical devices or apparatus is often covered by the respective subclass provided for that optical devices or apparatus.
Testing of optical devices or apparatus is classified in G01M 11/00 only if there is no appropriate place for that subject matter elsewhere.
Attention is drawn to the following places, which may be of interest for search:
Devices for testing or checking weapon sighting devices | |
Devices for testing or checking aiming and laying means | |
Interferometers | |
Measuring arrangements characterised by the use of optical means | |
Calibrating optical contour or curvature measuring devices | |
Photometry | |
Investigating or analysing materials by the use of optical means | |
Testing electrical properties of light emitting diodes, laser diodes or photodiodes | |
Testing electrical properties of lamps | |
Optical elements, systems or apparatus | |
Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating | |
Repairing of testing liquid crystal displays | |
Testing correct operation of photographic apparatus | |
Testing and control of apparatus for microlithography | G03F 7/70483 – G03F 7/70541, G03F 7/70558, G03F 7/70591– G03F 7/70683 |
Inspection of images for flow detection | |
Electronic inspection or testing of displays, like LED or LCD | |
Testing electrical properties of solar cells | |
Diagnosis, testing or measuring for television systems or their details | |
Diagnosis, testing or measuring for television cameras | |
Monitoring or testing of lasers |
In patent documents, the following abbreviations are often used:
FBG | Fibre Bragg Grating |
LCD | Liquid Crystal display |
LED | Light Emitting Diode |
OFDR | Optical Frequency Domain Reflectometry |
OTDR | Optical Time Domain Reflectometry |
PDL | Polarisation Dispersion Loss |
PMD | Polarisation Mode Dispersion |
Attention is drawn to the following places, which may be of interest for search:
Optical means to measure roughness of a surface |
Attention is drawn to the following places, which may be of interest for search:
Testing the alignment of axes using optical means |
Attention is drawn to the following places, which may be of interest for search:
Measuring contours or curvatures by optical means | |
Measuring geometric parameters required to locate ophthalmic lenses in spectacles frames |
This place covers:
This group also covers the detection of marks on lenses
This place does not cover:
Investigating the presence of flaws or contamination on materials by optical means |
Attention is drawn to the following places, which may be of interest for search:
Inspecting transparent materials |
This place covers:
Systems mainly projecting the light beam on a surface.
Attention is drawn to the following places, which may be of interest for search:
Arrangements for automatically correcting headlights in vehicle |
This place does not cover:
Testing of reflective surfaces, e.g. mirrors |
This sub-group has some overlap with G01M 5/00 (testing of mechanical properties of structures). It is possible to classify in both main group (G01M 11/00 and G01M 5/00): a classification in G01M 5/00 is suited for documents having the emphasis on the testing of the structure, and documents having the emphasis on the optical testing should be classified in G01M 11/00.
This place covers:
Also thermal testing, in flight testing, testing pay-out of a canister.
Attention is drawn to the following places, which may be of interest for search:
Mechanical testing of thin elongated materials, like filament, web, tape or non-optical fibres |
In general, this group covers the testing of optical by measuring one or more given physical parameters; however, if it concerns the use of fibre for determining one or more physical parameters, see the corresponding fields (for instance G01L for force measurement, G01K for temperature measurement ...).
Attention is drawn to the following places, which may be of interest for search:
Measuring a length, thickness, angle with an optical fibre | |
Measuring a non-specific physical parameter with an optical fibre | |
Measuring force with an optical fibre | |
Monitoring or testing optical transmission line | |
Monitoring or testing optical amplifier | |
Monitoring or testing optical transmission line in use | |
Optical multiplexing system | |
Spatial multiplexing | |
Orbital angular momentum [OAM] multiplex systems |
There is an overlap between G01M 11/30 and H04B 10/07 (testing of optical transmission line) and double classification is possible. Documents for G01M 11/30 should have an emphasis on the default detection method.
This place covers:
Testing of light fibers with light source and detector on the same end, measuring connectors, optical switches, splitter in optical transmission lines, measuring end shape of fiber backscatter of cw for power measurements.
For localisation of faults, local monitoring of fibers see subgroups of G01M 11/31.
This place covers:
Localisation of attenuation or faults by use of single pulses and direct detection of delay-time and intensity, like OTDR, averaging, box-car, references fibers, dummy fibers, photon counting.
This place covers:
Devices using pseudo-random signals, correlation techniques, Golay-code.
This place covers:
Local oscillators, frequency shifting interferometers.
This place covers:
Measurements or compensation of polarisation backscatter.
Attention is drawn to the following places, which may be of interest for search:
Polarization Mode Dispersion measurement in transmission | |
Polarization Dependent Loss measurement in transmission |
This place covers:
Measurements on doped fibers, measurements using stimulated Raman or Brillouin scattering, or using laserloops or ringlasers for generating stimulated backscatter.
This place covers:
Also light injection by microbending.
This place covers:
Also refractive index profile measurements of fibers, fiber core diameter or shape or excentricity measurements, and also transversal camera monitoring.
This place covers:
Testing of machine parts, such as: sealing rings, gearings, power-transmitting couplings or clutches, power-transmitting endless, e.g. belts, chains, bearings.
G01L covers instruments which can be used for testing of machine parts, e.g. gearing, transmission mechanisms, of steering or rolling behavior of vehicles, e.g. measuring efficiency, steering angles, steering forces, but not specially adapted for these purposes.
G01N covers investigating, i.e. testing or determining, the properties of materials, as opposed to testing machine parts, which is covered by G01M 13/00.
Attention is drawn to the following places, which may be of interest for search:
Devices for measuring, signaling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles | |
Monitoring or diagnostic devices for exhaust-gas treatment apparatus | |
Indicating or supervising devices of internal-combustion engines | |
Running-in of internal-combustion engines | |
Controlling combustion engines | |
Rocket-engine plants characterised by specially adapted arrangements for testing or measuring | |
Apparatus for testing, tuning or synchronising carburettors, e.g. carburettor flow stands | |
Testing fuel-injection apparatus | |
Testing of ignition installations peculiar to internal-combustion engines | |
Testing of wind motors | |
Testing machines, pumps, or pumping installations | |
Testing fluid-pressure actuator systems or apparatus, so far as not provided for elsewhere | |
Monitoring wear or stress of gearing elements | |
Detecting malfunction or potential malfunction of change-speed- or reversing-gearings | |
Detecting malfunction or potential malfunction of hydrostatic gearings | |
Arrangements for monitoring the condition or operation of elastic sealings | |
Special means in or on valves indicating or recording operation thereof | |
Testing of ignition installations of combustion apparatus | |
Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of tractive or propulsive force and velocity | |
Measuring wheel side-thrust | |
Measuring the force applied to control members, e.g. control members of vehicles, triggers | |
Determining the characteristic of torque in relation to revolutions per unit of time | |
Testing brakes | |
Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies | |
Devices for detecting or indicating knocks in internal-combustion engines | |
Devices for measuring pressure in inlet or exhaust ducts of internal-combustion engines | |
Means for indicating positions or pistons or cranks of internal-combustion engines by measuring pressure | |
Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency | |
Testing or calibrating of apparatus for measuring fluid pressure | |
Pressure-testing of materials | |
Investigating machinability by cutting tools; Investigating the cutting ability of tools |
This place covers:
Also testing of power transmitting rotating elements, like gearings, driveshaft, differentials, vehicle power transmissions, coupling, belt drives, temperature or pressure or other adaptation means, gear shifting, control tests of automatic transmission, life usage, shaft adjustments, rotation angle measurements, tests of synchronizers.
Attention is drawn to the following places, which may be of interest for search:
Transmission coupling, clutches in general | |
Transmission means using belt, cables, ropes in general | |
Contour measurements on gear teeth with mechanical means | |
Distance measurements on gear teeth | |
Contour measurements on gear teeth with electrical or magnetic means |
This place covers:
Also devices with electrical or hydraulic drive means, simulation of combustion engines, brake and inertial forces, measuring power transmitting characteristics, of vehicle transmission, driveshaft.
This place covers:
Also devices with power circulation type, ring connected multiple gearbox driveshaft.
This place covers:
Also devices with application or measurement of different component measuring steering forces on drive, steering trains, radial or vertical forces on vehicle axels, driveshaft.
This place covers:
Also devices for monitoring bearing with temperature sensor.
Attention is drawn to the following places, which may be of interest for search:
Vibration testing of structures in general | |
Bearing with rolling contact in general | |
Force sensor associated with a bearing |
This place covers:
Testing of engines, e.g. by monitoring different engine parameters: pressure, temperature, velocity, vibration, and power, detecting misfire, exhaust gases, combustion flame.
G01L covers instruments which can be used for testing of machine parts, e.g. gearing, transmission mechanisms, of steering or rolling behavior of vehicles, e.g. measuring efficiency, steering angles, steering forces, but not specially adapted for these purposes.
Attention is drawn to the following places, which may be of interest for search:
Devices for measuring, signaling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles | |
Monitoring or diagnostic devices for exhaust-gas treatment apparatus | |
Indicating or supervising devices of internal-combustion engines | |
Running-in of internal-combustion engines | |
Controlling combustion engines | |
Rocket-engine plants characterised by specially adapted arrangements for testing or measuring | |
Apparatus for testing, tuning or synchronising carburettors, e.g. carburettor flow stands | |
Testing fuel-injection apparatus | |
Testing of ignition installations peculiar to internal-combustion engines | |
Testing of ignition installations of combustion apparatus | |
Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity | |
Measuring wheel side-thrust | |
Measuring the force applied to control members, e.g. control members of vehicles, triggers | |
Determining the characteristic of torque in relation to revolutions per unit of time | |
Testing brakes | |
Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies | |
Devices for detecting or indicating knocks in internal-combustion engines | |
Devices for measuring pressure in inlet or exhaust ducts of internal- combustion engines | |
Means for indicating positions of pistons or cranks of internal-combustion engines by measuring pressure | |
Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency | |
Testing or calibrating of apparatus for measuring fluid pressure | |
Pressure-testing | |
Investigating machinability by cutting tools; investigating the cutting ability of tools |
Attention is drawn to the following places, which may be of interest for search:
Monitoring or diagnostic devices for exhaust-gas treatment apparatus | |
Indicating or supervising devices of internal-combustion engines | |
Running in of internal-combustion engines | |
Controlling combustion engines | |
Apparatus for testing, tuning or synchronising carburettors, e.g. carburettor flow stands | |
Testing fuel-injection apparatus | |
Testing internal-combustion engine ignition, e.g. timing | |
Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of torque and revolutions per unit of time, by multiplying the values of tractive or propulsive force and velocity | |
Determining the characteristic of torque in relation to revolutions per unit of time | |
Devices for detecting or indicating knocks in internal-combustion engines | |
Devices for measuring pressure in inlet or exhaust ducts of internal combustion engines | |
Means for indicating positions of pistons or cranks of internal-combustion engines by measuring pressure |
Attention is drawn to the following places, which may be of interest for search:
Rocket-engine plants characterised by specially adapted arrangements for testing or measuring |
This place covers:
Testing of different parts of vehicles, e.g. wheels, tyres, endless-tracks, suspension, or of damping as a part of wheeled or endless-traced vehicles or suspension, axles, wheels suspension, or of axles as a part of railway vehicles.
G01L covers instruments which can be used for machine parts, e.g. gearing, transmission mechanisms, of steering or rolling behavior of vehicles, e.g. measuring efficiency, steering angles, steering forces, but not specially adapted for these purposes.
This place does not cover:
Testing fluid tightness | |
Testing elastic properties of bodies or chassis, e.g. torsion testing | |
Testing alignment of vehicle head-lighting devices | |
Testing of engine |
Attention is drawn to the following places, which may be of interest for search:
Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles | |
Monitoring or diagnostic devices for exhaust-gas treatment apparatus | |
Indicating or supervising devices of internal-combustion engines | |
Running-in of internal-combustion engines | |
Controlling combustion engines | |
Rocket-engine plants characterised by specially adapted arrangements for testing or measuring | |
Apparatus for testing, tuning or synchronising carburetors, e.g. carburetor flow stands | |
Testing fuel-injection apparatus | |
Testing of ignition installations peculiar to internal-combustion engines | |
Testing of ignition installations of combustion apparatus | |
Devices for determining the value of power, e.g. by measuring and simultaneously multiplying the values of tractive or propulsive force and velocity | |
Measuring wheel side-thrust | |
Measuring the force applied to control members, e.g. control members of vehicles, triggers | |
Determining the characteristic of torque in relation to revolutions per unit of time | |
Testing brakes | |
Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies | |
Devices for detecting or indicating knocks in internal-combustion engines | |
Devices for measuring pressure in inlet or exhaust ducts of internal-combustion engines | |
Means for indicating positions or pistons or cranks of internal-combustion engines by measuring pressure | |
Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency | |
Testing or calibrating of apparatus for measuring fluid pressure | |
Pressure-testing | |
Investigating machinability by cutting tools; investigating the cutting ability of tools |
This place covers:
Devices with dynamometers, associated flywheel assemblies, constructions (for search see also G01L 3/16, rotary absorption dynamometers), roller assemblies (without specific roller construction), measuring or calculation arrangements, endless belts, flat belts, dynamometer control arrangements, like system using feedback.
This place does not cover:
The tyre co-operates with rotatable rolls | |
The vehicle wheels co-operating with rotatable rollers | |
The vehicle wheels co-operating with rotatable rolls |
Attention is drawn to the following places, which may be of interest for search:
Rotary-absorption dynamometers, e.g. of brake type |
This place covers:
Automatic shifters of gears, brake, gas pedal, devices for applying a variable load on the vehicle, safety arrangements, vehicle lifting devices, vibrators (for search see also G01M 7/04) and special applications, like testing of remote controlled toy car.
Attention is drawn to the following places, which may be of interest for search:
Monodirectional test stands |
Attention is drawn to the following places, which may be of interest for search:
Shock testing of structure | |
Measuring force due to impact | |
Anatomic models |
Attention is drawn to the following places, which may be of interest for search:
Railway wheel testing | |
Testing of wheel alignment by optical means |
Attention is drawn to the following places, which may be of interest for search:
Tyre tread bands and tread patterns | |
Tyre tread bands and tread patterns wear indicating arrangements | |
Measuring profile depth |
Wheel testing is not to be classified in this group but mainly testing tires with adjustable chucks, two rims, etc.
This place covers:
Measuring uniformity, concentricity, tread problems, radial forces, elastic deformation, rolling resistance, cornering resistance, yaw attitude, drag force, side-wall deformation, tire air pressure, impact resistance, conicity, with a flat belt, single roller, multiple rollers, hydraulic motor, endless belt, dynamic load, grooved drum, suspension simulation, vibration exciters, setting means for slip, camber angle, rubber removing brush, water jets.
This place covers:
Compensation by grinding the shoulders, by grinding the tire tread, by compensating radial, lateral or tangential forces.
This place covers:
Vehicle diagnostic devices, side slip, axel vibrations, toe-angle, wheel alignment, tire tread, caster trail, cornering.
Attention is drawn to the following places, which may be of interest for search:
Measuring steering angles | |
Measuring steering forces |
Attention is drawn to the following places, which may be of interest for search:
Testing of railways brake system |
Examples of places in relation to which this place is residual:
Testing static or dynamic balance of machines or structures | |
Investigating fluid tightness of structures | |
Investigating the elasticity of structures, e.g. deflection of bridges, aircraft wings | |
Vibration testing of structures; Shock-testing of structures | |
Aerodynamic testing; Arrangements in or on wind tunnels | |
Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels | |
Testing of optical apparatus | |
Testing of machine parts | |
Testing of engines | |
Testing of vehicles |
Attention is drawn to the following places, which may be of interest for search:
Testing instrument for artificial joints | |
Testing of non-implantable prostheses | |
Testing the effectiveness of sterilization | |
Measuring golf clubs, bats or rackets | |
Filter condition indicators | |
Testing of membranes or membrane apparatus | |
Controlling or analyzing typewriter or other selective printing mechanism | |
Testing or monitoring air-conditioning of vehicles | |
Testing of parachutes | |
Testing foundations or foundations structures | |
Testing characteristics of the spark in internal combustion engine ignition | |
Calibrating optical contour or curvature measuring devices | |
Calibration of coordinate measuring apparatus | |
Testing, calibrating, or compensating of compasses | |
Detection of malfunction of sensor per se | |
Calibrating of sensor per se | |
Testing or calibrating apparatus for measuring volume, volume flow or liquid level or for metering by volume | |
Testing or calibrating of weighing apparatus | |
Testing or calibrating of thermometers | |
Testing or calibrating calorimeters | |
Testing or calibrating force, work or torque apparatus testing and calibrating fluid pressure sensorArrangements for testing electric properties; | |
Arrangements for locating electric faults; | |
Arrangements for electrical testing characterized by what is being tested not provided for elsewhere | |
Testing or calibrating meteorological apparatus | |
Testing correct operation of photographic apparatus or parts thereof | |
Quality surveillance of production | |
Testing or monitoring of control systems | |
Registering or indicating the condition or the working of machines or other apparatus | |
Checking or monitoring of signalling or alarm systems | |
Monitoring; Testing of fusion reactors | |
Testing or measuring during manufacture or treatment of semiconductor devices | |
Testing of electrical properties of sparking plugs | |
Calibration or testing of analogue/digital or digital/analogue converters | |
Monitoring; Testing of line transmission systems | |
Monitoring or testing of relay systems | |
Diagnosis, testing or measuring for television systems or their details | |
Monitoring arrangements; Testing arrangements of acoustic electromechanical transducers |
This group is residual place for classifying testing of structures or of apparatus, not provided for elsewhere.
Testing of particular devices or apparatus is often covered by the respective subclass provided for that devices or apparatus. Testing of particular devices or apparatus is classified in G01M 99/00 only if there is no appropriate place elsewhere for that subject matter.