| IPC 7 English version |
| H02K-H02K00720 |
H02K 9/00 - H02K 19/38  |
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| SECTION H – ELECTRICITY |
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| H 02 | GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER |
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| H 02 K | DYNAMO-ELECTRIC MACHINES (measuring instruments G01; dynamo-electric relays H01H 53/00; conversion of dc or ac input power into surge output power H02M 9/00; loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers H04R) |
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| Notes |
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| (1) | This subclass covers the structural adaptation of the machines for the purposes of their control. |
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| (2) | This subclass does not cover starting, regulating, electronically commutating, braking, or otherwise controlling motors, generators or dynamo-electric converters, in general, which are covered by subclass H02P. |
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| (3) | Attention is drawn to the Notes following the titles of class B81 and subclass B81B relating to "micro-structural devices" and "micro-structural systems". [7] |
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| Subclass Index |
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| GENERATORS OR MOTORS |
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| Continuously rotating |
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| ac machines: asynchronous; synchronous; with mechanical commutator |
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| dc machines or universal ac/dc motors: with mechanical commutator; with interrupter |
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| with non-mechanical commutating devices |
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| Acyclic machines; oscillating machines; motors rotating step by step |
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| Generators producing a non-sinusoidal waveform |
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| Machines with more than one rotor or stator |
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| SPECIAL DYNAMO-ELECTRIC APPARATUS |
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| Machines for transmitting angular displacements; torque motors |
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| Machines involving dynamo-electric interaction with a plasma or a flow of conductive liquid or of fluid-borne conductive or magnetic particles |
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| Systems for propulsing a rigid body along a path |
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| Converters |
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| Dynamo-electric clutches or brakes; dynamo-electric gears |
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| Alleged perpetua mobilia |
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| Machines operating at cryogenic temperatures |
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| Machines not otherwise provided for |
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| DETAILS |
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| Magnetic circuits; windings; casings |
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| Arrangements structurally associated with the machine for handling mechanical energy; cooling; measuring or protective devices; current collection or commutation |
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| MANUFACTURE |
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1/ | 00 | Details of the magnetic circuit (magnetic circuits or magnets in general, magnetic circuits for transformers for power supply H01F; magnetic circuits for relays H01H 50/16) |
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1/ | 02 | . | characterised by the magnetic material |
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1/ | 04 | . | characterised by the material used for insulating the magnetic circuit or parts thereof (insulation of windings H02K 3/30) |
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1/ | 06 | . | characterised by the shape, form, or construction |
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1/ | 08 | . | . | Salient poles |
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1/ | 10 | . | . | . | Commutating poles |
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1/ | 12 | . | . | Stationary parts of the magnetic circuit |
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1/ | 14 | . | . | . | Stator cores with salient poles |
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1/ | 16 | . | . | . | Stator cores with slots for windings |
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1/ | 17 | . | . | . | Stator cores with permanent magnets [5] |
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1/ | 18 | . | . | . | Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures |
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1/ | 20 | . | . | . | with channels or ducts for flow of cooling medium |
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1/ | 22 | . | . | Rotating parts of magnetic circuit |
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1/ | 24 | . | . | . | Rotor cores with salient poles |
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1/ | 26 | . | . | . | Rotor cores with slots for windings |
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1/ | 27 | . | . | . | Rotor cores with permanent magnets [5] |
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1/ | 28 | . | . | . | Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures |
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1/ | 30 | . | . | . | . | using intermediate part or parts, e.g. spider |
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1/ | 32 | . | . | . | with channels or ducts for flow of cooling medium |
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1/ | 34 | . | . | Reciprocating, oscillating, or vibrating part of magnetic circuit |
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3/ | 00 | Details of windings (coils in general H01F 5/00) |
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3/ | 02 | . | Windings characterised by the conductor material (conductors in general H01B 1/00, H01B 5/00) |
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3/ | 04 | . | Windings characterised by the conductor shape, form, or construction, e.g. with bar conductor |
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3/ | 12 | . | . | arranged in slots |
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3/ | 14 | . | . | . | with transposed conductors, e.g. twisted conductor |
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3/ | 16 | . | . | . | for damping, commutating, or other auxiliary purposes |
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3/ | 18 | . | . | Windings for salient poles |
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3/ | 20 | . | . | . | for damping, commutating, or other auxiliary purposes |
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3/ | 22 | . | . | consisting of hollow conductors |
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3/ | 24 | . | . | with channels or ducts between the conductors for flow of cooling medium |
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3/ | 26 | . | . | consisting of printed conductors |
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3/ | 28 | . | . | Layout of windings or of connections between windings (windings for pole-changing H02K 17/06, H02K 17/14, H02K 19/12, H02K 19/32) |
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3/ | 30 | . | Windings characterised by the insulating material (insulating bodies in general H01B 3/00, H01B 17/00) |
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3/ | 32 | . | Windings characterised by the shape, form, or construction of the insulation |
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3/ | 34 | . | . | between conductors or between conductor and core, e.g. slot insulation [3] |
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3/ | 38 | . | . | around winding heads, equalising connectors, or connections thereto |
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3/ | 40 | . | . | for high voltage, e.g. affording protection against corona |
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3/ | 42 | . | Means for preventing or reducing eddy-current losses in the winding heads, e.g. by shielding [2] |
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3/ | 44 | . | Protection against moisture or chemical attack; Windings specially adapted for operation in liquid or gas |
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3/ | 46 | . | Fastening of windings on stator or rotor structure |
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3/ | 47 | . | . | Air-gap windings, i.e. iron-free windings [3] |
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3/ | 48 | . | . | in slots |
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3/ | 487 | . | . | . | Slot-closing devices [3] |
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3/ | 493 | . | . | . | . | where the devices are magnetic [3] |
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3/ | 50 | . | . | Fastening of winding heads, equalising connectors, or connections thereto |
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3/ | 51 | . | . | . | applicable to rotors only [3] |
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3/ | 52 | . | . | Fastening salient pole windings or connections thereto |
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5/ | 00 | Casings; Enclosures; Supports (casings for electric apparatus in general H05K 5/00) |
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5/ | 02 | . | Casings or enclosures characterised by the material thereof |
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5/ | 04 | . | Casings or enclosures characterised by the shape, form, or construction thereof |
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5/ | 06 | . | . | Cast metal casings |
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5/ | 08 | . | . | Insulating casings |
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5/ | 10 | . | . | affording protection from ingress, e.g. of water, of fingers |
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5/ | 12 | . | . | specially adapted for operating in liquid or gas (combined with cooling arrangements H02K 9/00) |
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5/ | 124 | . | . | . | Sealing of the shaft [3] |
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5/ | 128 | . | . | . | using air-gap sleeve or air-gap disc [3] |
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5/ | 132 | . | . | . | Submersible electric motor (H02K 5/128 takes precedence; pumping installations or systems for submerged use F04D 13/08) [3] |
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5/ | 136 | . | . | . | explosion-proof [3] |
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5/ | 14 | . | . | Means for supporting or protecting brushes or brush holders [3] |
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5/ | 15 | . | . | Mounting arrangements for bearing-shields or end plates [3] |
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5/ | 16 | . | . | Means for supporting bearings, e.g. insulating support, means for fitting the bearing in the bearing-shield (magnetic bearings H02K 7/09) |
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5/ | 167 | . | . | . | using sliding-contact or spherical cap bearings [3] |
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5/ | 173 | . | . | . | using ball bearings or bearings with rolling contact [3] |
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5/ | 18 | . | . | with ribs or fins for improving heat transfer |
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5/ | 20 | . | . | with channels or ducts for flow of cooling medium |
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5/ | 22 | . | . | Other additional parts of casings, e.g. shaped to form connection or terminal box |
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5/ | 24 | . | specially adapted for suppression or reduction of noise or vibration |
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5/ | 26 | . | Means for adjusting the casing relative to its support |
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7/ | 00 | Arrangements for handling mechanical energy structurally associated with the machine, e.g. structural association with mechanical driving motor or auxiliary dynamo-electric machine |
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7/ | 02 | . | Additional mass for increasing inertia, e.g. flywheel |
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7/ | 04 | . | Balancing means |
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7/ | 06 | . | Means for converting reciprocating into rotary motion or vice versa |
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7/ | 065 | . | . | Electromechanical oscillators; Vibrating magnetic drives (in time-pieces G04C 5/00) [3] |
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7/ | 07 | . | . | using pawl and ratchet wheel [3] |
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7/ | 075 | . | . | using crankshaft or eccentric [3] |
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7/ | 08 | . | Structural association with bearings (support in machine casing H02K 5/16) |
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7/ | 09 | . | . | with magnetic bearings [3] |
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7/ | 10 | . | Structural association with clutches, brakes, gears, pulleys, mechanical starters |
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7/ | 102 | . | . | with friction brakes |
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7/ | 104 | . | . | with eddy-current brakes |
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7/ | 106 | . | . | with dynamo-electric brakes |
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7/ | 108 | . | . | with friction clutches |
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7/ | 11 | . | . | with dynamo-electric clutches |
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7/ | 112 | . | . | with friction clutches and brakes |
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7/ | 114 | . | . | with dynamo-electric clutches and brakes |
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7/ | 116 | . | . | with gears |
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7/ | 118 | . | . | with starting device |
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7/ | 12 | . | . | with auxiliary limited movement of stator, rotor, or core parts, e.g. rotor axially movable for the purpose of clutching or braking |
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7/ | 14 | . | Structural association with mechanical load, e.g. hand-held machine tool, fan (with fan or impeller for cooling the machine H02K 9/06; for suction cleaners A47L) |
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7/ | 16 | . | . | for operation above critical speed of vibration of rotating parts |
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7/ | 18 | . | Structural association of electric generator with mechanical driving motor, e.g. turbine (if the driving-motor aspect predominates, see the relevant place of section F, e.g. F03B 13/00) |
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7/ | 20 | . | Structural association with auxiliary dynamo-electric machine, e.g. with electric starter motor, with exciter |
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 | H02K 9/00 - H02K 19/38 |
