G
SECTION G — PHYSICS
  
INSTRUMENTS
 G01
MEASURING (counting G06M); TESTING
 G01M
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
 G01M

Note(s)

Attention is drawn to the notes immediately following the class title (G01).

 G01M 1/00
Testing static or dynamic balance of machines or structures (balancing rotary bowls of centrifuges B04B 9/14; determining stability factors of ships B63B; stabilising of aircraft B64C 17/00; control systems for balancing automatically in operation G05; balancing rotors of dynamo-electric machines H02K 15/16)
 G01M 1/02
·  Details of balancing machines or devices
 G01M 1/04
·  ·  Adaptation of bearing support assemblies for receiving the body to be tested
 G01M 1/06
·  ·  Adaptation of drive assemblies for receiving the body to be tested
 G01M 1/08
·  ·  Instruments for indicating directly the magnitude and phase of the unbalance (measuring electrical variables in general G01R)
 G01M 1/10
·  Determining the moment of inertia
 G01M 1/12
·  Static balancing; Determining position of centre of gravity (by determining unbalance G01M 1/14)
 G01M 1/14
·  Determining unbalance (G01M 1/30, G01M 1/38 take precedence)
 G01M 1/16
·  ·  by oscillating or rotating the body to be tested
 G01M 1/18
·  ·  ·  and running the body down from a speed greater than normal
 G01M 1/20
·  ·  ·  and applying external forces compensating forces due to unbalance
 G01M 1/22
·  ·  ·  and converting vibrations due to unbalance into electric variables (measuring vibrations in general G01H; transducers per se H04R)
 G01M 1/24
·  ·  ·  Performing balancing on elastic shafts, e.g. for crankshafts
 G01M 1/26
·  ·  ·  with special adaptations for marking, e.g. by drilling
 G01M 1/28
·  ·  ·  with special adaptations for determining unbalance of the body in situ, e.g. of vehicle wheels
 G01M 1/30
·  Compensating unbalance (G01M 1/38 takes precedence; counterweights F16F 15/28)
 G01M 1/32
·  ·  by adding material to the body to be tested, e.g. by correcting-weights (correcting-weights per se F16F 15/32)
 G01M 1/34
·  ·  by removing material from the body to be tested, e.g. from the tread of tyres
 G01M 1/36
·  ·  by adjusting position of masses built-in the body to be tested
 G01M 1/38
·  Combined machines or devices for both determining and correcting unbalance
 G01M 3/00
Investigating fluid-tightness of structures (investigating permeability of porous material, investigating the presence of flaws in general G01N)
 G01M 3/02
·  by using fluid or vacuum
 G01M 3/04
·  ·  by detecting the presence of fluid at the leakage point
 G01M 3/06
·  ·  ·  by observing bubbles in a liquid pool
 G01M 3/08
·  ·  ·  ·  for pipes, cables, or tubes; for pipe joints or seals; for valves
 G01M 3/10
·  ·  ·  ·  for containers, e.g. radiators
 G01M 3/12
·  ·  ·  by observing elastic covers or coatings, e.g. soapy water
 G01M 3/14
·  ·  ·  ·  for pipes, cables, or tubes; for pipe joints or seals; for valves
 G01M 3/16
·  ·  ·  using electric detection means (G01M 3/06, G01M 3/12, G01M 3/20, G01M 3/24, G01M 3/26 take precedence)
 G01M 3/18
·  ·  ·  ·  for pipes, cables, or tubes; for pipe joints or seals; for valves
 G01M 3/20
·  ·  ·  using special tracer materials, e.g. dye, fluorescent material, radioactive material
 G01M 3/22
·  ·  ·  ·  for pipes, cables, or tubes; for pipe joints or seals; for valves
 G01M 3/24
·  ·  ·  using infrasonic, sonic, or ultrasonic vibrations
 G01M 3/26
·  ·  by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors  [2]
 G01M 3/28
·  ·  ·  for pipes, cables, or tubes; for pipe joints or seals; for valves  [2]
 G01M 3/30
·  ·  ·  ·  using progressive displacement of one fluid by another  [2]
 G01M 3/32
·  ·  ·  for containers, e.g. radiators  [2]
 G01M 3/34
·  ·  ·  ·  by testing the possibility of maintaining the vacuum in containers, e.g. in can-testing machines  [2]
 G01M 3/36
·  ·  by detecting change in dimensions of the structure being tested
 G01M 3/38
·  by using light (G01M 3/02 takes precedence)
 G01M 3/40
·  by using electric means, e.g. by observing electric discharges
 G01M 5/00
Investigating the elasticity of structures, e.g. deflection of bridges, aircraft wings (G01M 9/00 takes precedence; strain gauges G01B)
 G01M 7/00
Vibration-testing of structures; Shock-testing of structures (G01M 9/00 takes precedence)
 G01M 9/00
Aerodynamic testing; Arrangements in or on wind tunnels (building aspects Section E; investigating properties of materials in general G01N)
 G01M 10/00
Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels (building aspects Section E; investigating properties of materials in general G01N)
 G01M 11/00
Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
 G01M 11/02
·  Testing of optical properties
 G01M 11/04
·  ·  Optical benches
 G01M 11/06
·  ·  Testing of alignment of vehicle head-light devices
 G01M 11/08
·  Testing of mechanical properties
 G01M 13/00
Testing of machine parts (investigating the cutting power of tools G01N, e.g. G01N 3/58)
 G01M 13/02
·  Testing of gearing or of transmission mechanisms (measuring efficiency G01L)
 G01M 13/04
·  Testing of bearings
 G01M 15/00
Testing of engines (testing of internal-combustion engine ignition, e.g. timing, F02P 17/00)
 G01M 17/00
Testing of vehicles (G01M 15/00 takes precedence; testing tightness G01M 3/00; testing elastic properties of bodies or chassis, e.g. torsion-testing, G01M 5/00; testing alignment of vehicle head-lighting devices G01M 11/06; detecting or indicating knocks in internal-combustion engines G01L 23/22)
 G01M 17/02
·  Testing of tyre performance (tyre tread patterns B60C 11/00)
 G01M 17/04
·  Testing of suspension or of damping
 G01M 17/06
·  Testing of steering behaviour; Testing of rolling behaviour (measuring steering angles G01B; measuring steering forces G01L)
 G01M 19/00
Testing of structures or of apparatus, not provided for in the preceding groups
 G01M 19/02
·  Testing of sparking-plugs (testing electric properties G01R 31/00)