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(Not Translated)
| 3J102 | Magnetic bearings, hydrostatic bearings, and the like (i.e., bearings not otherwise provided for) | |
| F16C32/00 -32/06@Z | ||
| F16C32/00-32/06@Z | AA | AA00 TYPES OF BEARINGS |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | AA10 |
| . Magnetic bearings | . Hydrostatic bearings | . Vibration bearings | . . Bearings that use piezoelectric or electrostrictive elements | . . Bearings that use magnetostrictive elements | . Knife-edge bearings | . Slide bearings | . . Dynamic pressure bearings | . Bearings with rolling contact | . Other types of bearings | |||
| BA | BA00 FORMS OF BEARINGS RELATIVE TO THE DIRECTION OF MOVEMENT OR THE DIRECTION OF LOADING |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA07 | BA08 | BA09 | ||
| . Direction in which bearings or shafts move | . . Rotary movement | . . . Shafts that rotate | . . . External fitted members that rotate | . . Linear movement | . . . Affixing of one or both ends of the stationary members | . . . Affixing of the top and bottom surfaces or the side surfaces of the stationary members | . . . Round external cross-section of the stationary members | . . . Polygonal external cross-section of the stationary members | ||||
| BA11 | BA12 | BA13 | BA14 | BA15 | BA16 | BA17 | BA18 | BA19 | BA20 | |||
| . . . Means for driving movable members | . . . . Variants that use screws | . . . . Variants that use fluid pressure | . . . Members that are moved freely over fixed planes | . . Combinations of rotary and linear movement | . Direction of loads received by rotation bearings | . . Radial loads | . . Thrust loads (i.e., axial loads) | . . Radial and thrust loads | . Other forms of bearings | |||
| CA | CA00 PURPOSE OR EFFECTS |
CA01 | CA02 | CA03 | CA04 | CA05 | CA06 | CA07 | CA08 | CA09 | CA10 | |
| . General purposes or effects | . . Suppression of vibrations or prevention of oscillation | . . Adjustment or control of spacing (e.g., clearance adjustment) | . . Improved durability | . . . Improved sealing or dust-proofing | . . . Improved lubrication | . . . Cooling | . . . Improved corrosion resistance or resistance to chemicals | . . Improved rigidity or load capacity | . . Improved reliability, stability, or safety | |||
| CA11 | CA12 | CA13 | CA14 | CA15 | CA16 | CA17 | CA18 | CA19 | CA20 | |||
| . . Improved precision | . . Detection of abnormalities | . . Prevention of breakage or abnormalities | . . . Bearings provided for protection or emergency use | . . Improved manufacturing or manufacturing methods | . . . Improved workability (e.g., improved production) or cost reduction | . . . Facilitation of assembly | . . Improvements in bearing materials | . . Miniaturization, weight reduction, or simplification | . . Considerations for maintenance or inspection | |||
| CA21 | CA22 | CA23 | CA24 | CA25 | CA26 | CA27 | CA28 | CA29 | ||||
| . Purposes or effects unique to magnetic bearings (i.e., magnetic bearings only) | . . Improved damping force (e.g., damping constant) | . . Improved centripetal force or righting force (e.g., improved spring constant) | . . Prevention of vibrations in control coils | . . Control for handling of load fluctuations | . . Prevention of magnetic flux wraparound or provision of suitable magnetic flux distribution | . . Improved controllability | . . Prevention of energy loss | . . . Prevention of eddy current loss | ||||
| CA31 | CA32 | CA33 | CA34 | CA35 | CA36 | CA40 | ||||||
| . Purposes or effects unique to hydrostatic bearings (i.e., hydrostatic bearings only) | . . Alignment, or control or adjustment of axial displacement | . . Countermeasures for thermal variation (i.e., correction of thermal expansion) | . . Prevention of deformation of the pad surface | . . Prevention of burning or damage | . . Prevention of pressure loss, energy savings, or prevention of leakage | . Purposes or effects unique to other than magnetic or hydrostatic bearings | ||||||
| DA | DA00 STRUCTURE OF MAGNETIC BEARINGS |
DA01 | DA02 | DA03 | DA04 | DA06 | DA07 | DA08 | DA09 | DA10 | ||
| . Structures corresponding to magnets on the stationary side and the movable side | . . Magnets facing in the axial direction | . . Magnets facing in the radial direction | . . . Opposing surfaces that taper relative to the shaft axis | . . Structural composition of the magnets | . . . Two permanent magnets | . . . Two electromagnets | . . . Two magnets only one of which is an electromagnet | . . . Two magnets only one of which is composed of magnetic material | ||||
| DA11 | DA12 | DA13 | DA14 | DA15 | DA16 | DA17 | DA18 | DA19 | ||||
| . . . Opposing magnetic poles with the same polarity (i.e., repulsion) | . . . Opposing magnetic poles with different polarities (i.e., attraction) | . . . Variants with permanent magnets and electromagnets at the same pole | . . Corresponding surfaces that are composed of corresponding projections | . . Variants wherein corresponding surfaces form projections and indentations that fit together | . . Yokes provided for magnets | . . Magnetic fluids placed between magnets | . . . Shafts that pass through bearings | . . . Shaft ends that are housed in bearings | ||||
| DA21 | DA22 | DA23 | DA25 | DA26 | DA27 | DA28 | DA29 | DA30 | ||||
| . Variants that use superconductors | . . Superconductors used as bulk (e.g., repulsive magnets) | . . Superconductors used as coils | . Variants characterized by the relationship of the magnets | . . Characteristic support or mounting of magnets | . . Characteristic structure of magnets | . . . Characteristic structure of permanent magnets | . . . . Stacked magnets | . . . Characteristic structure of electromagnets | ||||
| DA31 | DA32 | DA35 | DA36 | DA39 | ||||||||
| . . . Provision of members for protection or reinforcement | . . . Teeth of stators or rotors that are coated with non-magnetic conductors | . Bearings characterized by criteria other than magnets or control | . . Bearings that have dynamic pressure-generating means | . Characteristic materials | ||||||||
| DB | DB00 CONTROL OF MAGNETIC BEARINGS |
DB01 | DB02 | DB03 | DB04 | DB05 | DB06 | DB07 | DB08 | DB09 | DB10 | |
| . Constituent elements of sensors | . . Sensors composed of piezoelectric elements | . . Sensors composed of magnetostriction elements | . Parameters to be sensed | . . Sensing of position or displacement | . . Sensing of displacement speed | . . Sensing of displacement acceleration | . . Sensing of speed of rotation | . Coordinate control and direction | . . Control along the X-axis and Y-axis | |||
| DB11 | DB12 | DB14 | DB15 | DB16 | DB17 | DB18 | DB19 | DB20 | ||||
| . . Control along the Z-axis | . . Control of the direction of tilt | . Control contents | . . Control using virtually zero power (VZP) | . . Adjustment of rigidity near particular vibration frequencies | . . . Lowering of rigidity | . . Sway prevention | . . Control of axes at specific tilts | . . Warning or stopping | ||||
| DB21 | DB22 | DB23 | DB24 | DB25 | DB26 | DB27 | DB28 | DB29 | DB30 | |||
| . Constituent elements of control circuits | . . Analog-digital conversion circuits | . . Reference voltage-generating circuits (e.g., test-signal generators) | . . Compensation circuits (i.e., compensators) | . . . Phase compensation (e.g., phase advance delay circuits) | . . . Current compensation | . . Filters (e.g., low-pass filters) | . . Inversion circuits | . . Comparison circuits (i.e., comparators) | . . Addition circuits (i.e., adders) | |||
| DB31 | DB32 | DB37 | DB38 | |||||||||
| . . Integration circuits (i.e., integrators) | . . Amplifying circuits (i.e., amplifiers) | . Control relationships | . . Arrangement or mounting of sensors | |||||||||
| EA | EA00 STRUCTURE OF HYDROSTATIC BEARINGS |
EA01 | EA02 | EA03 | EA04 | EA05 | EA06 | EA07 | EA08 | EA09 | EA10 | |
| . Fluids that are fed | . . Gases | . . Liquids | . . Vapors | . Fluid feeding | . . Feeding to stationary bodies | . . Feeding to movable bodies | . . Fluid feeding from stationary bodies to movable bodies | . Provision of pockets in stationary members | . Provision of pockets in movable members | |||
| EA11 | EA12 | EA13 | EA14 | EA15 | EA16 | EA17 | EA18 | EA19 | EA20 | |||
| . Structure of fluid feeding devices or parts near thereto | . . Sections that have openings or nozzles | . . . Sections composed of holes | . . . Sections composed of slits | . . . Installation of openings or nozzles | . . Shape or arrangement of pockets | . . Provision of grooves on the circumference | . . Use of porous materials | . . . Changes in pore rate according to location | . . . . Variants with lower surface pore rate | |||
| EA21 | EA22 | EA23 | EA24 | EA25 | EA26 | EA29 | EA30 | |||||
| . Bearings that have hydrostatic support pistons | . Provision of discharge sections | . . Discharge grooves | . Bearings that have sealing members | . Bearings that have voltage-generating means or voltage-reducing means | . Relationship between magnitude of numerical limitations or length and area | . Characteristic materials | . Other characteristic features of hydrostatic bearing structures | |||||
| EB | EB00 HYDROSTATIC BEARING CONTROL |
EB01 | EB02 | EB03 | EB05 | EB06 | EB07 | EB08 | EB09 | EB10 | ||
| . Parameters to be sensed | . . Sensing of pressure or differential pressure | . . Sensing of position or displacement | . Parameters to be controlled | . . Control of oil temperature | . . Control of feed pressure | . . . Control of the relative pressure of outside member pockets | . . . Control of the relative pressure of inside member pockets | . . . Control of the relative pressure of pressure chambers at both piston ends | ||||
| EB11 | EB14 | EB16 | ||||||||||
| . . . Control of the pressure in the pressure chamber at one piston end | . Warning or stopping | . Control relationships | ||||||||||
| FA | FA00 MATERIALS |
FA01 | FA02 | FA03 | FA04 | FA05 | FA06 | FA07 | FA08 | FA09 | FA10 | |
| . Metals | . . Cupreous metals | . . Ferrous metals | . Synthetic resin materials | . Inorganic materials | . . Ceramics | . Materials distinguished by form or properties | . . Porous materials | . . Sintered materials | . . Heat-insulating materials | |||
| FA11 | FA12 | FA13 | FA14 | FA15 | FA16 | FA17 | FA18 | FA19 | FA20 | |||
| . . Elastic materials or cushioning materials | . Surface-treated materials | . . Plated materials | . . Impregnated materials | . Materials with electromagnetic characteristics | . . Magnetic materials | . . . Weak magnetic materials | . . . . Silicon steel | . . . Ferrite magnets | . . . Rare-earth cobalt magnets | |||
| FA21 | FA22 | FA23 | FA24 | FA25 | FA26 | FA27 | FA28 | FA29 | FA30 | |||
| . . . Plastic magnets | . . Non-magnetic materials | . . . Conductors (e.g., aluminum or copper) | . . Superconducting materials | . . Piezoelectric materials (e.g., electrostrictive materials) or magnetostrictive materials | . Lubricants | . . Liquid lubricants | . . Grease | . . Solid lubricants | . Other materials | |||
| GA | GA00 APPLICATIONS |
GA01 | GA02 | GA03 | GA04 | GA06 | GA07 | GA08 | GA09 | GA10 | ||
| . Precision instruments | . . Light deflectors (e.g., polygon mirrors) | . . Disk recording devices | . . Gyroscopes | . Pumps (e.g., vacuum pumps or turbo-molecular pumps) | . Machine tools (e.g., spindles) | . Turbochargers | . Flywheels | . Turbines | ||||
| GA11 | GA12 | GA13 | GA14 | GA18 | GA19 | GA20 | ||||||
| . Rolls, rollers, or drums | . Vehicles that travel by use of magnetic levitation | . Motors or generators | . Engines | . Use specificlly in unique environments | . . Ise in a vacuum | . Other applications |