H
ELECTRICITY

Note(s)

  • These Notes cover the basic principles and general instructions for use of section H.
    • Section H covers :
      • basic electric elements, which cover all electric units and the general mechanical structure of apparatus and circuits, including the assembly of various basic elements into what are called printed circuits and also cover to a certain extent the manufacture of these elements (when not covered elsewhere);
      • generation of electricity, which covers the generation, conversion and distribution of electricity together with the controlling of the corresponding gear;
      • applied electricity, which covers :
        • general utilisation techniques, viz. those of electric heating and electric lighting circuits;
        • some special utilisation techniques, either electric or electronic in the strict sense, which are not covered by other sections of the Classification, including:
          • electric light sources, including lasers;
          • electric X-ray technique;
          • electric plasma technique and the generation and acceleration of electrically charged particles or neutrons;
      • basic electronic circuits and their control;
      • radio or electric communication technique;
      • the use of a specified material for the manufacture of the article or element described. In this connection, paragraphs 88 to 90 of the Guide should be referred to.
    • In this section, the following general rules apply:
      • Subject to the exceptions stated in I(c), above, any electric aspect or part peculiar to a particular operation, process, apparatus, object or article, classified in one of the sections of the Classification other than section H, is always classified in the subclass for that operation, process, apparatus, object or article. Where common characteristics concerning technical subjects of similar nature have been brought out at class level, the electric aspect or part is classified, in conjunction with the operation, process, apparatus, object or article, in a subclass which covers entirely the general electrical applications for the technical subject in question;
      • The electrical applications referred to under (a), above, either general or particular, include:
        • the therapeutic processes and apparatus, in class A61;
        • the electric processes and apparatus used in various laboratory or industrial operations, in classes B01 and B03 and in subclass B23K;
        • the electricity supply, electric propulsion and electric lighting of vehicles in general and of particular vehicles, in the subsection "Transporting" of section B;
        • the electric ignition systems of internal-combustion engines, in subclass F02P, and of combustion apparatus in general, in subclass F23Q;
        • the whole electrical part of section G, i.e. measuring devices including apparatus for measuring electric variables, checking, signalling and calculating. Electricity in that section is generally dealt with as a means and not as an end in itself;
      • All electrical applications, both general and particular, presuppose that the "basic electricity" aspect appears in section H (see I(a) above) as regards the electric "basic elements" which they comprise. This rule is also valid for applied electricity, referred to in I(c), above, which appears in section H itself.
    • In this section, the following special cases occur:
      • Among the general applications covered by sections other than section H, it is worth noting that electric heating in general is covered by subclasses F24D or F24H or class F27, and that electric lighting in general is partly covered by class F21, since in section H (see I(c), above) there are places in H05B which cover the same technical subjects;
      • In the two cases referred to under (a), above, the subclasses of section F, which deal with the respective subjects, essentially cover in the first place the whole mechanical aspect of the apparatus or devices, whereas the electrical aspect, as such, is covered by subclass H05B;
      • In the case of lighting, this mechanical aspect should be taken to cover the material arrangement of the various electric elements, i.e., their geometrical or physical position in relation to one another; this aspect is covered by subclasses of class  F21, the elements themselves and the primary circuits remaining in section H. The same applies to electric light sources, when combined with light sources of a different kind. These are covered by subclass H05B, whereas the physical arrangement which their combination constitutes is covered by subclasses of class F21;
      • As regards heating, not only the electric elements and circuitry designs, as such, are covered by subclass H05B, but also the electric aspects of their arrangement, where these concern cases of general application; electric furnaces being considered as such. The physical disposition of the electric elements in furnaces is covered by section F. If a comparison is made with electric welding circuits, which are covered by subclass B23K in connection with welding, it can be seen that electric heating is not covered by the general rule stated in II, above.
H02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
H02K
DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H 53/00; conversion of DC or AC input power into surge output power H02M 9/00)

Note(s) [7]

  • This subclass covers the structural adaptation of dynamo-electric machines for the purpose of their control.
  • This subclass does not cover starting, regulating, electronically commutating, braking, or otherwise controlling motors, generators or dynamo-electric converters, in general, which is covered by subclass H02P.
  • Attention is drawn to the Notes following the titles of class B81 and subclass B81B relating to "microstructural devices" and "microstructural systems".
Subclass index
GENERATORS OR MOTORS
Continuously rotating
AC machines: asynchronous; synchronous; with mechanical commutators 17/00, 19/00, 21/00, 27/00
DC machines or universal AC/DC motors: with mechanical commutators; with interrupters 23/00, 25/00
with non-mechanical commutating devices 29/00
Acyclic machines; oscillating machines; motors rotating step by step 31/00, 33/00, 35/00, 37/00
Generators producing a non-sinusoidal waveform 39/00
Machines with more than one rotor or stator 16/00
SPECIAL DYNAMO-ELECTRIC APPARATUS
Machines for transmitting angular displacements; torque motors 24/00, 26/00
Machines involving dynamo-electric interaction with a plasma or a flow of conductive liquid or of fluid-borne conductive or magnetic particles 44/00
Systems for propulsing a rigid body along a path 41/00
Converters 47/00
Dynamo-electric clutches or brakes; dynamo-electric gears 49/00, 51/00
Alleged perpetua mobilia 53/00
Machines operating at cryogenic temperatures 55/00
Other machines 99/00
DETAILS
Magnetic circuits; windings; casings 1/00, 3/00, 5/00
Arrangements structurally associated with the machine for handling mechanical energy; cooling; measuring or protective devices; current collection or commutation 7/00, 9/00, 11/00, 13/00
MANUFACTURE 15/00
H02K 1/00
Details of the magnetic circuit (magnetic circuits for relays H01H 50/16) [2006.01]
H02K 1/02
characterised by the magnetic material [2006.01]
H02K 1/04
characterised by the material used for insulating the magnetic circuit or parts thereof [2006.01]
H02K 1/06
characterised by the shape, form or construction [2006.01]
H02K 1/08
Salient poles [2006.01]
H02K 1/10
Commutating poles [2006.01]
H02K 1/12
Stationary parts of the magnetic circuit [2006.01]
H02K 1/14
Stator cores with salient poles [2006.01]
H02K 1/16
Stator cores with slots for windings [2006.01]
H02K 1/17
Stator cores with permanent magnets [2006.01]
H02K 1/18
Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures [2006.01]
H02K 1/20
with channels or ducts for flow of cooling medium [2006.01]
H02K 1/22
Rotating parts of the magnetic circuit [2006.01]
H02K 1/24
Rotor cores with salient poles [2006.01]
H02K 1/26
Rotor cores with slots for windings [2006.01]
H02K 1/27
Rotor cores with permanent magnets [2006.01]
H02K 1/28
Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures [2006.01]
H02K 1/30
using intermediate parts, e.g. spiders [2006.01]
H02K 1/32
with channels or ducts for flow of cooling medium [2006.01]
H02K 1/34
Reciprocating, oscillating or vibrating parts of the magnetic circuit [2006.01]
H02K 3/00
Details of windings [2006.01]
H02K 3/02
Windings characterised by the conductor material [2006.01]
H02K 3/04
Windings characterised by the conductor shape, form or construction, e.g. with bar conductors [2006.01]
H02K 3/12
arranged in slots [2006.01]
H02K 3/14
with transposed conductors, e.g. twisted conductors [2006.01]
H02K 3/16
for auxiliary purposes, e.g. damping or commutating [2006.01]
H02K 3/18
Windings for salient poles [2006.01]
H02K 3/20
for auxiliary purposes, e.g. damping or commutating [2006.01]
H02K 3/22
consisting of hollow conductors [2006.01]
H02K 3/24
with channels or ducts for cooling medium between the conductors [2006.01]
H02K 3/26
consisting of printed conductors [2006.01]
H02K 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) [2006.01]
H02K 3/30
Windings characterised by the insulating material [2006.01]
H02K 3/32
Windings characterised by the shape, form or construction of the insulation [2006.01]
H02K 3/34
between conductors or between conductor and core, e.g. slot insulation [2006.01]
H02K 3/38
around winding heads, equalising connectors, or connections thereto [2006.01]
H02K 3/40
for high voltage, e.g. affording protection against corona discharges [2006.01]
H02K 3/42
Means for preventing or reducing eddy-current losses in the winding heads, e.g. by shielding [2006.01]
H02K 3/44
Protection against moisture or chemical attack; Windings specially adapted for operation in liquid or gas [2006.01]
H02K 3/46
Fastening of windings on the stator or rotor structure [2006.01]
H02K 3/47
Air-gap windings, i.e. iron-free windings [2006.01]
H02K 3/48
in slots [2006.01]
H02K 3/487
Slot-closing devices [2006.01]
H02K 3/493
magnetic [2006.01]
H02K 3/50
Fastening of winding heads, equalising connectors, or connections thereto [2006.01]
H02K 3/51
applicable to rotors only [2006.01]
H02K 3/52
Fastening salient pole windings or connections thereto [2006.01]
H02K 5/00
Casings; Enclosures; Supports [2006.01]
H02K 5/02
Casings or enclosures characterised by the material thereof [2006.01]
H02K 5/04
Casings or enclosures characterised by the shape, form or construction thereof [2006.01]
H02K 5/06
Cast metal casings [2006.01]
H02K 5/08
Insulating casings [2006.01]
H02K 5/10
with arrangements for protection from ingress, e.g. of water or fingers [2006.01]
H02K 5/12
specially adapted for operating in liquid or gas (combined with cooling arrangements H02K 9/00) [2006.01]
H02K 5/124
Sealing of shafts [2006.01]
H02K 5/128
using air-gap sleeves or air-gap discs [2006.01]
H02K 5/132
Submersible electric motors (H02K 5/128 takes precedence) [2006.01]
H02K 5/136
explosion-proof [2006.01]
H02K 5/14
Means for supporting or protecting brushes or brush holders [2006.01]
H02K 5/15
Mounting arrangements for bearing-shields or end plates [2006.01]
H02K 5/16
Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields (magnetic bearings H02K 7/09) [2006.01]
H02K 5/167
using sliding-contact or spherical cap bearings [2006.01]
H02K 5/173
using bearings with rolling contact, e.g. ball bearings [2006.01]
H02K 5/18
with ribs or fins for improving heat transfer [2006.01]
H02K 5/20
with channels or ducts for flow of cooling medium [2006.01]
H02K 5/22
Auxiliary parts of casings not covered by groups H02K 5/06-H02K 5/20, e.g. shaped to form connection boxes or terminal boxes [2006.01]
H02K 5/24
specially adapted for suppression or reduction of noise or vibrations [2006.01]
H02K 5/26
Means for adjusting casings relative to their supports [2006.01]
H02K 7/00
Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines [2006.01]
H02K 7/02
Additional mass for increasing inertia, e.g. flywheels [2006.01]
H02K 7/04
Balancing means [2006.01]
H02K 7/06
Means for converting reciprocating motion into rotary motion or vice versa [2006.01]
H02K 7/065
Electromechanical oscillators; Vibrating magnetic drives [2006.01]
H02K 7/07
using pawls and ratchet wheels [2006.01]
H02K 7/075
using crankshafts or eccentrics [2006.01]
H02K 7/08
Structural association with bearings [2006.01]
H02K 7/09
with magnetic bearings [2006.01]
H02K 7/10
Structural association with clutches, brakes, gears, pulleys or mechanical starters [2006.01]
H02K 7/102
with friction brakes [2006.01]
H02K 7/104
with eddy-current brakes [2006.01]
H02K 7/106
H02K 7/108
with friction clutches [2006.01]
H02K 7/11
H02K 7/112
with friction clutches in combination with brakes [2006.01]
H02K 7/114
with dynamo-electric clutches in combination with brakes [2006.01]
H02K 7/116
with gears [2006.01]
H02K 7/118
with starting devices [2006.01]
H02K 7/12
with auxiliary limited movement of stators, rotors or core parts, e.g. rotors axially movable for the purpose of clutching or braking [2006.01]
H02K 7/14
Structural association with mechanical loads, e.g. with hand-held machine tools or fans (with fan or impeller for cooling the machine H02K 9/06) [2006.01]
H02K 7/16
for operation above the critical speed of vibration of the rotating parts [2006.01]
H02K 7/18
Structural association of electric generators with mechanical driving motors, e.g.with turbines [2006.01]
H02K 7/20
Structural association with auxiliary dynamo-electric machines, e.g. with electric starter motors or exciters [2006.01]
H02K 9/00
Arrangements for cooling or ventilating (channels or ducts in parts of the magnetic circuit H02K 1/20, H02K 1/32; channels or ducts in or between conductors H02K 3/22, H02K 3/24) [2006.01]
H02K 9/02
by ambient air flowing through the machine [2006.01]
H02K 9/04
having means for generating a flow of cooling medium [2006.01]
H02K 9/06
with fans or impellers driven by the machine shaft [2006.01]
H02K 9/08
by gaseous cooling medium circulating wholly within the machine casing (H02K 9/10 takes precedence) [2006.01]
H02K 9/10
by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing [2006.01]
H02K 9/12
wherein the cooling medium circulates freely within the casing [2006.01]
H02K 9/14
wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle [2006.01]
H02K 9/16
wherein the cooling medium circulates through ducts or tubes within the casing [2006.01]
H02K 9/18
wherein the external part of the closed circuit comprises a heat exchanger structurally associated with the machine casing [2006.01]
H02K 9/19
for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil [2006.01]
H02K 9/193
with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium [2006.01]
H02K 9/197
in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator [2006.01]
H02K 9/20
wherein the cooling medium vaporises within the machine casing [2006.01]
H02K 9/22
by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges [2006.01]
H02K 9/24
Protection against failure of cooling arrangements, e.g. due to loss of cooling medium or due to interruption of the circulation of cooling medium [2006.01]
H02K 9/26
Structural association of machines with devices for cleaning or drying cooling medium, e.g. with filters [2006.01]
H02K 9/28
Cooling of commutators, slip-rings or brushes, e.g. by ventilating [2006.01]
H02K 11/00
Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection (casings, enclosures or supports H02K 5/00) [2016.01]
H02K 11/01
for shielding from electromagnetic fields (means for preventing or reducing eddy-current losses in the winding heads by shielding H02K 3/42) [2016.01]
H02K 11/02
for suppression of electromagnetic interference [2016.01]
H02K 11/026
Suppressors associated with brushes, brush holders or their supports [2016.01]
H02K 11/028
Suppressors associated with the rotor [2016.01]
H02K 11/04
for rectification [2016.01]
H02K 11/042
Rectifiers associated with rotating parts, e.g. rotor cores or rotary shafts [2016.01]
H02K 11/049
Rectifiers associated with stationary parts, e.g. stator cores [2016.01]
H02K 11/05
Rectifiers associated with casings, enclosures or brackets [2016.01]
H02K 11/20
for measuring, monitoring, testing, protecting or switching (rectifiers H02K 11/04; power electronics H02K 11/33) [2016.01]
H02K 11/21
Devices for sensing speed or position, or actuated thereby (specially adapted for machines having non-mechanical commutating devices H02K 29/06, H02K 29/14) [2016.01]
H02K 11/215
Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements [2016.01]
H02K 11/22
Optical devices [2016.01]
H02K 11/225
Detecting coils [2016.01]
H02K 11/23
Mechanically-actuated centrifugal switches [2016.01]
H02K 11/24
Devices for sensing torque, or actuated thereby (H02K 11/27 takes precedence) [2016.01]
H02K 11/25
Devices for sensing temperature, or actuated thereby [2016.01]
H02K 11/26
Devices for sensing voltage, or actuated thereby, e.g. overvoltage protection devices [2016.01]
H02K 11/27
Devices for sensing current, or actuated thereby (overcurrent protection responsive to temperature of the machines or parts thereof, e.g. windings,  H02K 11/25) [2016.01]
H02K 11/28
Manual switches [2016.01]
H02K 11/30
Structural association with control circuits or drive circuits [2016.01]
H02K 11/33
Drive circuits, e.g. power electronics (H02K 11/38 takes precedence) [2016.01]
H02K 11/35
Devices for recording or transmitting machine parameters, e.g. memory chips or radio transmitters for diagnosis [2016.01]
H02K 11/38
Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type [2016.01]
H02K 11/40
Structural association with grounding devices [2016.01]
H02K 13/00
Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings (supporting or protecting brushes or brush holders in motor casings or enclosures H02K 5/14); Disposition of current collectors in motors or generators; Arrangements for improving commutation [2006.01]
H02K 13/02
Connections between slip-rings and windings [2006.01]
H02K 13/04
Connections between commutator segments and windings [2006.01]
H02K 13/06
Resistive connections, e.g. by high-resistance chokes or by transistors [2006.01]
H02K 13/08
Segments formed by extensions of the winding [2006.01]
H02K 13/10
Arrangements of brushes or commutators specially adapted for improving commutation [2006.01]
H02K 13/12
Arrangements for producing an axial reciprocation of the rotor and its associated current collector part, e.g. for polishing commutator surfaces [2006.01]
H02K 13/14
Circuit arrangements for improvement of commutation, e.g. by use of unidirectionally conductive elements [2006.01]
H02K 15/00
Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines [2006.01]
H02K 15/02
of stator or rotor bodies [2006.01]
H02K 15/03
having permanent magnets [2006.01]
H02K 15/04
of windings, prior to mounting into machines (insulating windings H02K 15/10, H02K 15/12) [2006.01]
H02K 15/06
Embedding prefabricated windings in machines [2006.01]
H02K 15/08
Forming windings by laying conductors into or around core parts [2006.01]
H02K 15/085
by laying conductors into slotted stators [2006.01]
H02K 15/09
by laying conductors into slotted rotors [2006.01]
H02K 15/095
by laying conductors around salient poles [2006.01]
H02K 15/10
Applying solid insulation to windings, stators or rotors [2006.01]
H02K 15/12
Impregnating, heating or drying of windings, stators, rotors or machines [2006.01]
H02K 15/14
Casings; Enclosures; Supports [2006.01]
H02K 15/16
Centering rotors within the stator; Balancing rotors [2006.01]
H02K 16/00
Machines with more than one rotor or stator [2006.01]
H02K 16/02
Machines with one stator and two rotors [2006.01]
H02K 16/04
Machines with one rotor and two stators [2006.01]

Note(s) [2]

H02K 17/00
Asynchronous induction motors; Asynchronous induction generators [2006.01]
H02K 17/02
Asynchronous induction motors [2006.01]
H02K 17/04
for single phase current [2006.01]
H02K 17/06
having windings arranged for permitting pole-changing [2006.01]
H02K 17/08
Motors with auxiliary phase obtained by externally fed auxiliary windings, e.g. capacitor motors [2006.01]
H02K 17/10
Motors with auxiliary phase obtained by split-pole carrying short-circuited windings [2006.01]
H02K 17/12
for multi-phase current [2006.01]
H02K 17/14
having windings arranged for permitting pole-changing [2006.01]
H02K 17/16
having rotors with internally short-circuited windings, e.g. cage rotors [2006.01]
H02K 17/18
having double-cage or multiple-cage rotors [2006.01]
H02K 17/20
having deep-bar rotors [2006.01]
H02K 17/22
having rotors with windings connected to slip-rings [2006.01]
H02K 17/24
in which both stator and rotor are fed with AC [2006.01]
H02K 17/26
having rotors or stators designed to permit synchronous operation [2006.01]
H02K 17/28
having compensating winding for improving phase angle [2006.01]
H02K 17/30
Structural association of asynchronous induction motors with auxiliary electric devices influencing the characteristics of the motor or controlling the motor, e.g. with impedances or switches [2006.01]
H02K 17/32
Structural association of asynchronous induction motors with auxiliary mechanical devices, e.g. with clutches or brakes [2006.01]
H02K 17/34
Cascade arrangement of an asynchronous motor with another dynamo-electric motor or converter [2006.01]
H02K 17/36
with another asynchronous induction motor [2006.01]
H02K 17/38
with a commutator machine [2006.01]
H02K 17/40
with a rotary AC/DC converter [2006.01]
H02K 17/42
Asynchronous induction generators (H02K 17/02 takes precedence) [2006.01]
H02K 17/44
Structural association with exciting machines [2006.01]
H02K 19/00
Synchronous motors or generators (having permanent magnets H02K 21/00) [2006.01]
H02K 19/02
Synchronous motors [2006.01]
H02K 19/04
for single-phase current [2006.01]
H02K 19/06
Motors having windings on the stator and a variable-reluctance soft-iron rotor without windings, e.g. inductor motors [2006.01]
H02K 19/08
Motors having windings on the stator and a smooth rotor without windings of material with large hysteresis, e.g. hysteresis motors [2006.01]
H02K 19/10
for multi-phase current [2006.01]
H02K 19/12
characterised by the arrangement of exciting windings, e.g. for self-excitation, compounding or pole-changing [2006.01]
H02K 19/14
having additional short-circuited windings for starting as asynchronous motors [2006.01]
H02K 19/16
Synchronous generators [2006.01]
H02K 19/18
having windings each turn of which co-operates only with poles of one polarity, e.g. homopolar generators [2006.01]
H02K 19/20
with variable-reluctance soft-iron rotors without winding [2006.01]
H02K 19/22
having windings each turn of which co-operates alternately with poles of opposite polarity, e.g. heteropolar generators [2006.01]
H02K 19/24
with variable-reluctance soft-iron rotors without winding [2006.01]
H02K 19/26
characterised by the arrangement of exciting windings [2006.01]
H02K 19/28
for self-excitation [2006.01]
H02K 19/30
for compounding [2006.01]
H02K 19/32
for pole-changing [2006.01]
H02K 19/34
Generators with two or more outputs [2006.01]
H02K 19/36
Structural association of synchronous generators with auxiliary electric devices influencing the characteristic of the generator or controlling the generator, e.g. with impedances or switches [2006.01]
H02K 19/38
Structural association of synchronous generators with exciting machines [2006.01]
H02K 21/00
Synchronous motors having permanent magnets; Synchronous generators having permanent magnets [2006.01]
H02K 21/02
Details [2006.01]
H02K 21/04
Windings on magnets for additional excitation [2006.01]
H02K 21/10
Rotating armatures [2006.01]
H02K 21/12
with stationary armatures and rotating magnets [2006.01]
H02K 21/14
with magnets rotating within the armatures [2006.01]
H02K 21/16
having annular armature cores with salient poles (with homopolar co-operation H02K 21/20) [2006.01]
H02K 21/18
having horse-shoe armature cores (with homopolar co-operation H02K 21/20) [2006.01]
H02K 21/20
having windings each turn of which co-operates only with poles of one polarity, e.g. homopolar machine [2006.01]
H02K 21/22
with magnets rotating around the armatures, e.g. flywheel magnetos [2006.01]
H02K 21/24
with magnets axially facing the armatures, e.g. hub-type cycle dynamos [2006.01]
H02K 21/26
with rotating armatures and stationary magnets [2006.01]
H02K 21/28
with armatures rotating within the magnets [2006.01]
H02K 21/30
having annular armature cores with salient poles (with homopolar co-operation H02K 21/36) [2006.01]
H02K 21/32
having horse-shoe magnets (with homopolar co-operation H02K 21/36) [2006.01]
H02K 21/34
having bell-shaped or bar-shaped magnets, e.g. for cycle lighting (with homopolar co-operation H02K 21/36) [2006.01]
H02K 21/36
with homopolar co-operation [2006.01]
H02K 21/38
with rotating flux distributors, and armatures and magnets both stationary [2006.01]
H02K 21/40
with flux distributors rotating around the magnets and within the armatures [2006.01]
H02K 21/42
with flux distributors rotating around the armatures and within the magnets [2006.01]
H02K 21/44
with armature windings wound upon the magnets [2006.01]
H02K 21/46
Motors having additional short-circuited winding for starting as an asynchronous motor [2006.01]
H02K 21/48
Generators with two or more outputs [2006.01]
H02K 23/00
DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors [2006.01]
H02K 23/02
characterised by arrangement for exciting [2006.01]
H02K 23/04
having permanent magnet excitation [2006.01]
H02K 23/06
having shunt connection of excitation windings [2006.01]
H02K 23/08
having series connection of excitation windings [2006.01]
H02K 23/10
having compound connection of excitation windings [2006.01]
H02K 23/12
having excitation produced by current sources independent of the armature circuit [2006.01]
H02K 23/14
having high-speed excitation or de-excitation, e.g. by neutralising the remanent excitation field [2006.01]
H02K 23/16
having angularly adjustable excitation field, e.g. by pole reversing or pole switching [2006.01]
H02K 23/18
having displaceable main or auxiliary brushes [2006.01]
H02K 23/20
having additional brushes spaced intermediately of the main brushes on the commutator, e.g. cross-field machines, metadynes, amplidynes or other armature-reaction excited machines [2006.01]
H02K 23/22
having compensating or damping windings [2006.01]
H02K 23/24
having commutating-pole windings [2006.01]
H02K 23/26
characterised by the armature windings [2006.01]
H02K 23/28
having open windings, i.e. not closed within the armatures [2006.01]
H02K 23/30
having lap windings; having loop windings [2006.01]
H02K 23/32
having wave winding; having undulating winding [2006.01]
H02K 23/34
having mixed windings [2006.01]
H02K 23/36
having two or more windings; having two or more commutators; having two or more stators [2006.01]
H02K 23/38
having winding or connection for improving commutation, e.g. equipotential connection [2006.01]
H02K 23/40
characterised by the arrangement of the magnet circuits [2006.01]
H02K 23/42
having split poles, i.e. zones for varying reluctance by gaps in poles or by poles with different spacing of the air gap [2006.01]
H02K 23/44
having movable, e.g. turnable, iron parts [2006.01]
H02K 23/46
having stationary shunts, i.e. magnetic cross flux [2006.01]
H02K 23/48
having adjustable armatures [2006.01]
H02K 23/50
Generators with two or more outputs [2006.01]
H02K 23/52
Motors acting also as generators, e.g. starting motors used as generators for ignition or lighting [2006.01]
H02K 23/54
Disc armature motors or generators [2006.01]
H02K 23/56
Motors or generators having iron cores separated from armature winding [2006.01]
H02K 23/58
Motors or generators without iron cores [2006.01]
H02K 23/60
Motors or generators having rotating armatures and rotating excitation field [2006.01]
H02K 23/62
Motors or generators with stationary armatures and rotating excitation field [2006.01]
H02K 23/64
Motors specially adapted for running on DC or AC by choice [2006.01]
H02K 23/66
Structural association with auxiliary electric devices influencing the characteristic of, or controlling, the machine, e.g. with impedances or switches [2006.01]
H02K 23/68
Structural association with auxiliary mechanical devices, e.g. with clutches or brakes [2006.01]
H02K 24/00
Machines adapted for the instantaneous transmission or reception of the angular displacement of rotating parts, e.g. synchro, selsyn [2006.01]
H02K 25/00
DC interrupter motors or generators [2006.01]
H02K 26/00
Machines adapted to function as torque motors, i.e. to exert a torque when stalled [2006.01]
H02K 27/00
AC commutator motors or generators having mechanical commutator [2006.01]
H02K 27/02
characterised by the armature winding [2006.01]
H02K 27/04
having single-phase operation in series or shunt connection [2006.01]
H02K 27/06
with a single or multiple short-circuited commutator, e.g. repulsion motor [2006.01]
H02K 27/08
with multiple-fed armature [2006.01]
H02K 27/10
with switching devices for different modes of operation, e.g. repulsion-induction motor [2006.01]
H02K 27/12
having multi-phase operation [2006.01]
H02K 27/14
in series connection [2006.01]
H02K 27/16
in shunt connection with stator feeding [2006.01]
H02K 27/18
in shunt connection with rotor feeding [2006.01]
H02K 27/20
Structural association with a speed regulating device [2006.01]
H02K 27/22
having means for improving commutation, e.g. auxiliary fields, double windings, double brushes [2006.01]
H02K 27/24
having two or more commutators [2006.01]
H02K 27/26
having disc armature [2006.01]
H02K 27/28
Structural association with auxiliary electric devices influencing the characteristic of the machine or controlling the machine [2006.01]
H02K 27/30
Structural association with auxiliary mechanical devices, e.g. with clutches or brakes [2006.01]
H02K 29/00
Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices [2006.01]
H02K 29/03
with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems [2006.01]
H02K 29/06
with position sensing devices (H02K 29/03 takes precedence) [2006.01]
H02K 29/08
using magnetic effect devices, e.g. Hall-plates or magneto-resistors (H02K 29/12 takes precedence) [2006.01]
H02K 29/10
using light effect devices [2006.01]
H02K 29/12
using detecting coils [2006.01]
H02K 29/14
with speed sensing devices (H02K 29/03 takes precedence) [2006.01]
H02K 31/00
Acyclic motors or generators, i.e. DC machines having drum or disc armatures with continuous current collectors [2006.01]
H02K 31/02
with solid-contact collectors [2006.01]
H02K 31/04
with at least one liquid-contact collector [2006.01]
H02K 33/00
Motors with reciprocating, oscillating or vibrating magnet, armature or coil system (arrangements for handling mechanical energy structurally associated with motors H02K 7/00, e.g. H02K 7/06) [2006.01]
H02K 33/02
with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs [2006.01]
H02K 33/04
wherein the frequency of operation is determined by the frequency of uninterrupted AC energisation [2006.01]
H02K 33/06
with polarised armatures [2006.01]
H02K 33/08
with DC energisation superimposed on AC energisation [2006.01]
H02K 33/10
wherein the alternate energisation and de-energisation of the single coil system is effected or controlled by movement of the armatures [2006.01]
H02K 33/12
with armatures moving in alternate directions by alternate energisation of two coil systems [2006.01]
H02K 33/14
wherein the alternate energisation and de-energisation of the two coil systems are effected or controlled by movement of the armatures [2006.01]
H02K 33/16
with polarised armatures moving in alternate directions by reversal or energisation of a single coil system [2006.01]
H02K 33/18
with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets [2006.01]
H02K 35/00
Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit (arrangements for handling mechanical energy structurally associated with generators H02K 7/00, e.g. H02K 7/06) [2006.01]
H02K 35/02
with moving magnets and stationary coil systems [2006.01]
H02K 35/04
with moving coil systems and stationary magnets [2006.01]
H02K 35/06
with moving flux distributors, and both coil systems and magnets stationary [2006.01]
H02K 37/00
Motors with rotor rotating step by step and without interrupter or commutator driven by the rotor, e.g. stepping motors [2006.01]
H02K 37/02
of variable reluctance type [2006.01]
H02K 37/04
with rotors situated within the stators [2006.01]
H02K 37/06
with rotors situated around the stators [2006.01]
H02K 37/08
with rotors axially facing the stators [2006.01]
H02K 37/10
of permanent magnet type (H02K 37/02 takes precedence) [2006.01]
H02K 37/12
with stationary armatures and rotating magnets [2006.01]
H02K 37/14
with magnets rotating within the armatures [2006.01]
H02K 37/16
having horseshoe armature cores [2006.01]
H02K 37/18
of homopolar type [2006.01]
H02K 37/20
with rotating flux distributors, the armatures and magnets both being stationary [2006.01]
H02K 37/22
Damping units [2006.01]
H02K 37/24
Structural association with auxiliary mechanical devices [2006.01]
H02K 39/00
Generators specially adapted for producing a desired non-sinusoidal waveform [2006.01]
H02K 41/00
Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path [2006.01]
H02K 41/02
Linear motors; Sectional motors [2006.01]
H02K 41/025
Asynchronous motors [2006.01]
H02K 41/03
Synchronous motors; Motors moving step by step; Reluctance motors (H02K 41/035 takes precedence) [2006.01]
H02K 41/035
DC motors; Unipolar motors [2006.01]
H02K 41/06
Rolling motors, i.e. motors having the rotor axis parallel to the stator axis and following a circular path as the rotor rolls around the inside or outside of the stator [2006.01]
H02K 44/00
Machines in which the dynamo-electric interaction between a plasma or flow of conductive liquid or of fluid-borne conductive or magnetic particles and a coil system or magnetic field converts energy of mass flow into electrical energy or vice versa [2006.01]
H02K 44/02
Electrodynamic pumps [2006.01]
H02K 44/04
Conduction pumps [2006.01]
H02K 44/06
Induction pumps [2006.01]
H02K 44/08
Magnetohydrodynamic [MHD] generators [2006.01]
H02K 44/10
Constructional details of electrodes [2006.01]
H02K 44/12
Constructional details of fluid channels [2006.01]
H02K 44/14
Circular or screw-shaped channels [2006.01]
H02K 44/16
Constructional details of the magnetic circuits [2006.01]
H02K 44/18
for generating AC power [2006.01]
H02K 44/20
by changing the polarity of the magnetic field [2006.01]
H02K 44/22
by changing the conductivity of the fluid [2006.01]
H02K 44/24
by reversing the direction of fluid [2006.01]
H02K 44/26
by creating a travelling magnetic field [2006.01]
H02K 44/28
Association of MHD generators with conventional generators (nuclear power plants including a MHD generator G21D 7/02) [2006.01]
H02K 47/00
Dynamo-electric converters [2006.01]
H02K 47/02
AC/DC converters or vice versa [2006.01]
H02K 47/04
Motor/generators [2006.01]
H02K 47/06
Cascade converters [2006.01]
H02K 47/08
Single-armature converters [2006.01]
H02K 47/10
with booster machines on the AC side [2006.01]
H02K 47/12
DC/DC converters [2006.01]
H02K 47/14
Motor/generators [2006.01]
H02K 47/16
Single-armature converters, e.g. metadyne [2006.01]
H02K 47/18
AC/AC converters [2006.01]
H02K 47/20
Motor/generators [2006.01]
H02K 47/22
Single-armature frequency converters with or without phase-number conversion [2006.01]
H02K 47/24
having windings for different numbers of poles [2006.01]
H02K 47/26
operating as under- or over-synchronously running asynchronous induction machines, e.g. cascade arrangement of asynchronous and synchronous machines [2006.01]
H02K 47/28
operating as commutator machines with added slip-rings [2006.01]
H02K 47/30
Single-armature phase-number converters without frequency conversion [2006.01]
H02K 49/00
Dynamo-electric clutches; Dynamo-electric brakes [2006.01]
H02K 49/02
of the asynchronous induction type [2006.01]
H02K 49/04
of the eddy-current hysteresis type [2006.01]
H02K 49/06
of the synchronous type [2006.01]
H02K 49/08
of the collector armature type [2006.01]
H02K 49/10
of the permanent-magnet type [2006.01]
H02K 49/12
of the acyclic type [2006.01]
H02K 51/00
Dynamo-electric gears, i.e. dynamo-electric means for transmitting mechanical power from a driving shaft to a driven shaft and comprising structurally interrelated motor and generator parts [2006.01]
H02K 53/00
Alleged dynamo-electric perpetua mobilia [2006.01]
H02K 55/00
Dynamo-electric machines having windings operating at cryogenic temperatures [2006.01]
H02K 55/02
of the synchronous type [2006.01]
H02K 55/04
with rotating field windings [2006.01]
H02K 55/06
of the homopolar type [2006.01]
H02K 99/00
Subject matter not provided for in other groups of this subclass [2014.01]