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Matches 1 - 50 out of 13,888

Document Document Title
WO/2021/090550A1
This electric motor is provided with a stator having a plurality of magnetic poles, a core including a rotating shaft and a plurality of slots including a first slot, a rotor having winding coils wound around the core, and a commutator h...  
WO/2021/075747A1
The present invention relates to a DC motor used for electric cars, wireless vacuum cleaners, drones, and the like across various industries. A high-efficiency DC motor according to the prior art has upper and lower permanent magnets whi...  
WO/2021/051890A1
A connection structure (100) of a single-phase four-pole series motor, comprising four excitation windings (11, 12, 13, 14) evenly distributed around a stator, an armature winding (20) sheathed on a rotor, and four brushes (31, 32, 33, 3...  
WO/2021/049449A1
This electric motor (1) detects the the rotational speed thereof on the basis of the current ripple of a current waveform of the electric motor and is provided with: a rotor (20) having a shaft (21) that is a rotating shaft; a commutator...  
WO/2021/041435A1
A rotational slip ring assembly for an improved counter-rotating (CR) differential electric motor assembly is utilized to power an aircraft vehicle or fan for moving a gas and includes two oppositely rotating propellers that may be mount...  
WO/2021/018064A1
The present application provides a motor for a power tool having multiple sections of yoke widths. The motor comprises: an integrated stator, a plurality of protrusions protruding outward along the radial direction being configured at an...  
WO/2021/018063A1
Disclosed is a motor for handheld electric tool The motor comprises: an integral stator, a plurality of protrusions extending outwardly in a radial direction thereof being arranged at an outer side of the stator; a rotor arranged at an i...  
WO/2021/003586A1
A flat multi-layer coil stator for a disk motor is provided with stator coils and a flat stator base (1). The stator coils are provided with coil assemblies (2) therein, and the multiple coil assemblies (2) are arranged in a ring or a st...  
WO/2021/002775A1
The invention relates to the field of DC motors and is directed toward a simplified design, improved weight and size characteristics, increased efficiency and increased maximum torque at low currents. A motor-generator comprises a stator...  
WO/2020/255807A1
This electric motor (2) is provided with: a rotor (10) having a shaft (13) and a commutator (14) attached to the shaft (13); a brush (60) having a first end making contact with the commutator (14) and a second end positioned on the oppos...  
WO/2020/135663A1
The present invention provides a parallel-series excited direct current motor driving device and an electric apparatus. The parallel-series excited direct current motor driving device provided by the present invention comprises a paralle...  
WO/2020/129922A1
This DC motor is configured so that, while either one of a pair of power feeding brushes makes contact with two commutator segments, the other makes contact with only one of two commutator segments. The DC motor is further provided with:...  
WO/2020/112072A1
A superconducting generator includes an annular armature connectable to rotate with a rotating component of a wind turbine. A stationary annular field winding is coaxial to the armature and separated by a gap from the armature. The field...  
WO/2020/083511A1
Stator for a rotating electric machine, comprising at least one permanent magnet with a variable radial thickness Stator (3) for a rotating electric machine, comprising : - a yoke (4), - an assembly of magnetic poles (P1, P2, …) compri...  
WO/2020/074947A1
The technical result consists in utilizing direct, short interactions between a static field and a dynamically changing field. A method for converting magnetic and electrostatic field energy into mechanical energy consists in using one o...  
WO/2020/073405A1
Provided in the present invention is a direct current motor, comprising a housing; m pairs of brushes fixed inside the housing; a stator arranged inside the housing, containing m pairs of main magnetic poles corresponding to the m pairs ...  
WO/2020/074222A1
The invention relates to a drone (1) for triggering naval mines, which drone comprises a drive having an electric motor (3) for locomotion in the water, wherein: said electric motor (3) can be used additionally to trigger the naval mines...  
WO/2020/069583A1
The present patent application pertains to the field of articles for the generation, conversion or distribution of electrical energy, and more specifically to the branch of dynamo-electric machines. The invention proposes an electromagne...  
WO/2020/065210A1
The invention relates to a control device for an electric motor comprising a printed circuit board (2), said printed circuit board being provided with an electronic component (4L) comprising at least two pads (5, 6), at least one (5) of ...  
WO/2020/063579A1
A permanent magnet DC motor and a vehicle seat using the motor. The motor comprises a housing (10) and a magnetic cylinder (20); the magnetic cylinder (20) is fixed to an inner cavity of the housing (10) to constitute a stator of the mot...  
WO/2020/043456A1
The invention relates to a compressor unit (356), comprising a compressor (K) and a direct current motor (M, 100, 200) for driving the compressor (K), wherein the direct current motor (M, 100, 200) has a housing (102, 202) for coupling t...  
WO/2020/002386A1
An electric motor (20) usable in proximity to a magnetic resonance imaging (MRI) device (4) includes a stator (30) comprising electrical windings (32), and a rotor (40, 50, 60) magnetically coupled with the stator. The electric motor doe...  
WO/2019/244873A1
This motor comprises a yoke housing (12), a brush holder (21), a housing case (41) and a circuit board (72). The brush holder holds a power supply brush (22) and power supply terminals (23, 24). The housing case has a board containing re...  
WO/2019/244872A1
This motor comprises a yoke (14), an armature (15), a brush holder (16) and a ground member (33). The yoke has the shape of a bottomed cylinder that has an inner surface to which a magnet (13) is affixed. The armature is contained within...  
WO/2019/239581A1
A stator (11) is resin-formed by means of: a first mold (21) for forming an outer shape of an exterior resin (14) with a gap provided between an outer peripheral surface of yokes (13) and the first mold (21); a second mold (22) positione...  
WO/2019/223253A1
The present invention provides a direct current motor, comprising: a housing; m pairs of electric brushes, fixed inside the housing; a stator, provided inside the housing, comprising m pairs of main magnetic poles corresponding to the m ...  
WO/2019/207240A1
The invention relates to a stator comprising a longitudinal axis O, a neodymium-, iron- and boron-based magnet with a support face in contact with an internal surface of a yoke (10 of a stator (1) for a rotary electric machine, the magne...  
WO/2019/178788A1
A rotor assembly (10) for a DC motor is provided which comprises a rotor (12) having a rotor shaft (18), a commutator (20) mounted to the rotor shaft (18), and a varistor (22) which is connected to the commutator (20) via an electrically...  
WO/2019/138662A1
According to the present invention, a coil (7) is continuously wound in a single pass around each of a series of teeth (50), and connected to each segment (14).  
WO/2019/080611A1
A wheel-side motor for an electric vehicle, which relates to the technical field of electric vehicles. The wheel-side motor consists of a shaft (1), a hub (2), a stator core (3), an armature winding (4), permanent magnets (5), a brake di...  
WO/2019/083239A1
The present invention relates to a DC commutator motor winding structure comprising: a core (10) having K teeth (T) formed thereon radially; a commutator (20) which is coupled to the upper portion of the core (10), and which has K commut...  
WO/2019/072895A1
The invention relates to a fuel pump (2) comprising an electric motor (4), a pump stage (6) that can be driven by the electric motor (4), and a fuel pump housing (8, 9, 10) receiving the electric motor (4) and the pump stage (6), said fu...  
WO/2019/031857A3
The purpose of the present invention is to provide a DC power generation device comprising: a field magnet (140) having multiple field magnet iron cores (141) around which field magnet coils (142) are wound; an armature coil (152) formed...  
WO/2019/049607A1
Provided is a motor that can switch the rotational speed of an armature by switching the energization pattern of a brush, wherein the motor can reduce a current ripple. Equalizing wires 52 short circuit a 1st segment and a 7th segment, s...  
WO/2019/049582A1
Provided is a motor that can switch the rotational speed of an armature by switching the energization pattern of a brush, wherein the motor can prevent the occurrence of a non-energization condition and reliably cause the armature to rot...  
WO/2019/031857A2
The purpose of the present invention is to provide a DC power generation device comprising: a field magnet (140) having multiple field magnet iron cores (141) around which field magnet coils (142) are wound; an armature coil (152) formed...  
WO/2019/031677A1
The present invention relates to a variable-flux universal motor having a flux regulator. When the flux regulator is rotated, rotational speed is regulated while flux flow changes. A variable-speed universal motor according to the presen...  
WO/2019/028031A1
A brushless motor includes a rotor and a stator having four slots into which electrical coils are placed. The stator may include a means for limiting cogging. The brushless motor having a high torque constant, low coil resistance, low co...  
WO/2019/025334A1
The invention relates mainly to an electrical rotating machine, the machine (10) comprising: - at least one bearing (18), - a heat sink (52) mounted on the bearing, and - an electronic control module (47) mounted on the heat sink. Moreov...  
WO/2019/027197A1
The present invention relates to a high-voltage power generator having a single coil stator. More specifically, the high-voltage power generator according to the present invention includes one coil stator, which is a non-magnetic coil st...  
WO/2019/013689A1
A vehicle propulsion system comprises a combustion engine (2) with a flywheel (3) secured to a crank shaft (4) of the engine. A starter motor and a generator are combined in one electric machine (10) having a stator (11) rigidly connecte...  
WO/2018/207383A1
Provided is a direct current motor that suppresses cogging torque and reduces electromagnetic oscillation. A direct current motor 101 is provided with the following: a cylindrical permanent magnet 112 that is disposed inside of a yoke ho...  
WO/2018/199271A1
The present invention provides a permanent-magnet-field DC motor that increases to a higher output, and reduces the supply current or reduces the spark that occurs between a brush and a commutator, while reducing the usage amount of an e...  
WO/2018/163120A1
An armature (50) for an electric machine is provided having a plurality of brushes (52, 54, 56, 58) and a plurality of conductive segments (66) spaced about a rotation axis thereof. The segments (66) form a ring (62) and are electrically...  
WO/2018/149615A1
The invention relates to a brush module (10) for a rotating electrical machine, in particular current-excited synchronous machine, wherein the brush module (10) has at least two brushes (12) for the electrical contact connection of slip ...  
WO/2018/139827A1
The present invention relates to a brush motor. The purpose of the present invention is to provide a brush motor wherein the same is structured to have four poles, twenty-four slots, and two brushes; the pole arc/pole angle ratio, which ...  
WO/2018/139246A1
[Problem] To provide a structure with which it possible to maintain a constant distance between a permanent magnet and each phase of an electromagnetic coil. [Solution] Each electromagnetic coil is constituted as a tightly-wound air-core...  
WO/2018/134543A1
The invention mainly relates to a DC and brushed rotating electrical machine (10) for traction, comprising an armature (12) formed by a rotor provided with a winding and an inductor (11), characterised in that the inductor (11) has a sep...  
WO/2018/130859A1
An electrical machine comprising: a first rotor, the first rotor producing a first magnetic field having a first number of pole pairs; a second rotor comprising a plurality of pole pieces, the plurality of pole pieces being arranged to m...  
WO/2018/121548A1
A DC electric drive apparatus and an electric device. The DC electric drive device (10) is provided in an electric device to drive the electric device, and comprises: a DC motor (11), for driving the electric device; a DC power source, f...  

Matches 1 - 50 out of 13,888