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Patent Searching and Data


Matches 1 - 50 out of 55,548

Document Document Title
WO/2021/092111A1
A system (100), electromagnetic actuator (102) and track (101) for braking are provided. The actuator (102) includes pole portions (109) extending from back-iron portions. Respective longitudinal axes (104) of the pole portions (109) are...  
WO/2021/091157A1
The present invention relates to a rotor structure for improving the cooling function of a drive motor, in which a rotating shaft of a rotor for the drive motor is divided into two sections having different outer and inner diameters on t...  
WO/2021/089265A1
A rotor (2) for a rotating electrical machine comprising: - a shaft rotating about an axis, - two pole wheels (14, 15), each pole wheel having, on its outer radial periphery, a series of claws (16) of trapezoidal overall shape that exten...  
WO/2021/089190A1
The present disclosure relates to an axial flux motor comprising a stator assembly and a rotor assembly. The axial flux motor includes stator cores having enlarged end plates. The axial flux motor also includes a cooling jacket including...  
WO/2021/087595A1
The present invention relates to an alternator including conductive windings mounted on fixed discs and subjected to a variable magnetic field emitted by rotating magnetic discs inducing an alternating electromotive force in the windings...  
WO/2021/090387A1
The purpose of the present invention is to reduce torque ripple due to field flux during start-up. The rotor is provided with: a rotor core (7) having a plurality of salient poles (71) projecting outside in the radial direction; a plur...  
WO/2021/091452A1
The invention relates to an electric machine (3) with an integrated heat exchanger (12), the electric machine (3) comprising a rotor (16) and a stator (18), which stator (16) at least partly surrounds the rotor (16); and a housing (20), ...  
WO/2021/090001A1
A stator for a rotating electrical machine is disclosed, the stator comprising a stack of stator laminations (20) forming a stator core (48; 60; 74; 80; 82). A lamination (20) comprises a plurality of cooling fins (28) arranged in at lea...  
WO/2021/088876A1
Provided is a motor having an integrated amorphous alloy and silicon steel as a stator core, comprising a motor housing; a stator and a rotor are arranged in the motor housing; the stator comprises a first stator and a second stator; the...  
WO/2021/090844A1
This dynamo-electric machine (700) is provided with: a magnetic field element (710) having a magnet part (712) which includes a plurality of magnetic poles, the polarities of which are alternate in the circumferential direction; and an a...  
WO/2021/090819A1
In this dynamo-electric machine (10) comprising a magnetic field element (20) having a magnet part (500), the magnet part has a magnet (501) in which a plurality of easy magnetization axes are oriented linearly and in parallel, and a plu...  
WO/2021/092285A1
A lubricant supported electric motor includes a stator presenting an stator raceway, and a rotor movable relative to the stator and presenting a rotor raceway disposed in spaced relationship with the stator raceway to define a gap thereb...  
WO/2021/090667A1
A rotor (20) according to an aspect has permanent magnets (23) which have a folded shape pointing radially inward and are embedded in magnet containing holes 24 of the rotor core (22). The permanent magnet (23) has a thickness (Wm) satis...  
WO/2021/091158A1
The present invention relates to a cooling structure for a rotor of a drive motor, the cooling structure having an improved assembling property because the cooling structure can be installed on a rotary shaft and a coolant cover through ...  
WO/2021/090854A1
In the present invention, a sheet-forming step and a molding step are performed, and a projection-molding step, a groove-forming step, or a thinning step is performed. In the sheet-forming step, a comb-shaped sheet (4), which has a yoke ...  
WO/2021/092104A1
A channel segment for a track of a mover device is provided, the channel segment comprising: opposite ends joined by a body forming a magnetic flux pathway between the opposite ends, the magnetic flux pathway being one or more of C-shape...  
WO/2021/092114A1
Replaceable windings (101) for an electromagnetic machine (100) are provided. A replaceable winding (101) comprises a body (107) having a longitudinal axis (105), the body (107) comprising opposing surfaces along the longitudinal axis (1...  
WO/2021/083783A1
The invention relates to an axial flux machine (10), in particular a single-sided axial flux motor, for an electrical machining device (34), having a machine shaft (12), in particular a motor shaft, a disc-shaped stator (20) and a disc-s...  
WO/2021/084788A1
A rotor core provided in the rotor has a plurality of magnet embedding holes (12) in which plate-shaped permanent magnets (13) are embedded at intervals in the circumferential direction of the rotor core; salient pole portions (11) forme...  
WO/2021/083631A1
The present application provides a rotor for an electric machine, comprising: a rotor body, configured to be connectable to a shaft of the electric machine in a fixed manner, the rotor body having a longitudinal axis, wherein the rotor b...  
WO/2021/082360A1
Disclosed is an electric motor rotor cooling system of an electric drive assembly. The electric motor rotor cooling system comprises a pump, an oil pan, an electric motor rotor and a reducer hollow input shaft. The electric motor rotor c...  
WO/2021/083784A1
The invention relates to an axial flux machine (10), in particular a single-sided axial flux motor, for an electrical machining device (34), having a machine shaft (12), in particular a motor shaft, a disc-shaped stator (20) and a disc-s...  
WO/2021/082359A1
Disclosed are a high-speed rotor punching sheet and a rotor structure, comprising a rotor punching sheet, the middle of the rotor punching sheet being provided with a rotating shaft hole, a plurality of two-in-one magnetic pole slot stru...  
WO/2021/083760A1
The invention relates to an axial flux machine (10), in particular a single-sided axial flux motor, for an electrical machining device (34), having a machine shaft (12), in particular a motor shaft, a disc-shaped stator (20) and a disc-s...  
WO/2021/086621A1
Embodiments involve rotors for axial flux induction rotating electric machines that use a soft magnetic composite for the rotor core. A first embodiment is directed to a rotor for a rotating electrical machine that transmits magnetic flu...  
WO/2021/083764A1
The invention relates to an axial flux machine (10), in particular a single-sided axial flux motor, for an electrical machining device (34), having a machine shaft (12), in particular a motor shaft, a disc-shaped stator (20) and a disc-s...  
WO/2021/084180A1
The invention relates to a cooling device (3) for cooling one or more electrical conductors (22) of a stator (2) of a rotating electrical machine (1), said device (3) comprising at least one cooling circuit (31) for a coolant (32), inten...  
WO/2021/081383A1
A method for magnetizing a soft magnet in a rotor of a variable -flux memory motor (VFMM) includes: generating a first pulse of electric current that has a duration of equal to or more than 0.1 millisecond (ms) and equal to or less than ...  
WO/2021/081372A1
A multi-pole rotor of a variable-flux memory motor (VFMM) includes: a rotor core; and a plurality of poles. Each of the plurality of poles includes: a plurality of soft magnets; a first ferrous wedge; and a second ferrous wedge. The plur...  
WO/2021/078458A1
The invention relates to a stator (2) for an electrical machine (1), comprising a laminated core (3), which is arranged axially between a first and a second end plate (4, 5), wherein a cooling line (6) for introducing a coolant into at l...  
WO/2021/078545A1
The invention relates to an electric machine comprising a permanent magnet arrangement and an electromagnetic arrangement. The electromagnetic arrangement comprises a first number of excitation coils, each excitation coils being wound ar...  
WO/2021/081029A1
A power tool including a housing and a motor assembly positioned within the housing. The motor assembly includes a stator with winding slots that receive stator windings and a rotor. The rotor includes a rotor body with a first slot posi...  
WO/2021/080416A1
The invention relates to an alternating current generator comprising a first inner stator having a winding and a rotor having permanent magnets, which rotates externally to the stator. The generator also comprises a second static winding...  
WO/2021/079577A1
[Problem] To increase the torque of a permanent magnet type motor. [Solution] Provided is a permanent magnet type motor having a concentrated winding, the motor being configured to output a large torque, wherein: a circumferential-dire...  
WO/2021/078542A1
Electrical machine having a segmented stator or rotor It is described a stator segment (100) for the stator (11) or the rotor (12) of an electrical machine (10) including: - two end teeth (15a, 15b) at two respective circumferential ends...  
WO/2021/077613A1
A motor and an assembly structure thereof, a motor assembly mechanism comprises a stator (1), a first end cap (2), a second end cap (3) and a fastener (4) for fastening the stator (1), the first end cap (2) and the second end cap (3), wh...  
WO/2021/079175A1
The invention relates to an electrical machine which comprises a stator having cores with pole tips, and a rotor having permanent magnets and being rotatable in the stator. The stator is equipped with coils that are wound on the cores an...  
WO/2021/079508A1
An electric motor comprising: a stator (5) having a stator core (3) having a ring-shaped core back (3b) and a plurality of teeth (3a) protruding from the core back (3b) to the inner peripheral side of the core back (3b), and an armature ...  
WO/2021/072615A1
A Halbach array type coupler, comprising an input shaft (1), an input end cover (2), a bearing group (3), an output shaft (4), an output end cover (5), a housing (6), a cooling mechanism (7), and a buffer mechanism (8). The bearing group...  
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/2021/074909A1
The present invention relates to an electric actuating unit comprising: - a functional support (1) that has a first receiving element (101); - an electromagnetic coil arrangement (3) that is fixedly attached to the first receiving elemen...  
WO/2021/074245A1
The invention relates to an electromagnetic energy converter for a remote switch (14). The energy converter has an electrical coil (9) and magnetic components which comprise at least one permanent magnet (8) and at least one ferromagneti...  
WO/2021/076885A1
A motor comprising: (a) a stator having a plurality of ferrous cores surrounded by a plurality of windings; (b) a pair of rotors positioned on opposing sides of the stator, each rotor including a ring gear; and (c) a drive shaft extendin...  
WO/2021/075172A1
This rotary electrical machine is an axial gap type rotary electrical machine in which a first stator, a second stator, and a rotor are arrayed in the axial direction of a rotary shaft of the rotor. The first stator is provided with a fi...  
WO/2021/073912A1
The present invention describes a support structure (50) for a stator of a generator (11), in particular of a wind turbine (1), wherein the support structure comprises a carrier element extending in an axial direction, wherein the carrie...  
WO/2021/075354A1
A motor (40) comprises nine teeth (44b) and slots (44d), and has five first passageways (101) formed therein. In this way, it is possible to reduce noise more than when nine first passageway (101) are formed, while suppressing oil rise a...  
WO/2021/073841A1
It is described a method of determining a readjustment value in position and/or in orientation of a stator segment (101) of a multi segment stator of an electrical machine, the stator segment to be assembled with a shaft (103), the metho...  
WO/2021/073847A1
The rotor lamination is formed by a first material and a second material, wherein the first material is at least partially magnetically soft and the second material has a higher mechanical tensile strength than the first material, wherei...  
WO/2021/074526A1
The invention relates to a method for forming, by additive manufacturing, a one-piece ferromagnetic part (100) of a rotating electric machine, the part (100) comprising, along an axis of elongation XX', an alternation of first segments (...  
WO/2021/075781A1
The invention concerns apparatuses (1) for compressing a gaseous fluid. An apparatus (1) comprising a stator (5) and a rotor (8) which are arranged inside a housing (2) extending along a common longitudinal axis (9), wherein the stator (...  

Matches 1 - 50 out of 55,548