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WO/2011/125183 |
A rotor is provided with: a rotor core formed by laminating a plurality of electromagnetic steel sheets; a plurality of slots which are arranged at equiangular intervals in the periphery of the rotor core, and penetrate in the axial dire...
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WO/2011/125145 |
Provided is a high efficiency rotating electrical machine such that the space factor of windings is increased while the insulation reliability required for a high voltage rotating electrical machine is maintained. The rotating electrical...
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WO/2011/124328 |
The invention relates to a component such as a rotor or stator (1) for an electrical machine. The component includes a plurality of axially adjacent stacks (4) of laminations. At least one pair of adjacent stacks are spaced apart in the ...
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WO/2011/124232 |
What is proposed is: an electrical machine having a salient-pole armature, each pole of which is surrounded by an identical coil or an identical group of a plurality of coils, and a salient-pole inductor with an even number of poles of a...
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WO/2011/124629 |
The invention relates to a rotor for an electric motor, wherein the rotor comprises a main body on which at least one support surface is formed, to which at least one permanent magnet element is attached. In order to provide a rotor for ...
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WO/2011/125209 |
A rotor is provided with: a rotor core; a plurality of slots formed in the rotor core; and permanent magnets which are mounted to each of the plurality of slots. The permanent magnets are provided with an outer layer magnet, and an inner...
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WO/2011/125308 |
The disclosed rotor for a permanent-magnet dynamo-electric machine has a welding groove and can be manufactured inexpensively. Even if there are variations in welding and the position of the welding groove during manufacture, excessive i...
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WO/2011/120890 |
The invention relates to a device (1) comprising a stator (3) and a permanent magnetic rotor (2). The rotor (2) is rotatably mounted in the stator (3), and the rotor (2) is spaced from the stator (3) by a hollow cylindrical gap. The roto...
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WO/2011/121770 |
Disclosed is a vehicular alternating-current (AC) electric generator which includes a rundle-type rotor and a stator. The rundle-type rotor has a cylindrical portion (112a) around which a field coil is wound; first and second plate-shape...
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WO/2011/121982 |
A stator core and rotor core in a motor each have recesses and protrusions opposite of each other so as to form gaps which extend continuously and alternately radially and axially between the two cores. At least one of the aforementioned...
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WO/2011/123752 |
A wound stator includes a plurality of windings, each winding including a primary lead and a secondary lead defined by free ends of the winding. Each of the windings being associated with a first, second or third phase. For each phase, a...
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WO/2011/122996 |
The invention relates to a rotor (40, 240) for an electric machine (10) excited by magnetic poles formed by one or more embedded permanent magnets (50, 52), comprising a magnetic body (140) and the one or more embedded permanent magnets ...
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WO/2011/122111 |
Disclosed is a dynamo electric machine provided with voids (21) of a prescribed length (1mag) that correspond respectively to supporting units (20), and which are located a prescribed distance (1core) from permanent magnets (17a, 17b) in...
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WO/2011/122328 |
Disclosed is an electrical steel sheet formed body that is used in a rotating element core which is given a forward rotation direction and a reverse rotation direction to the clockwise direction along the circumference direction around t...
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WO/2011/121184 |
The invention relates to an electric motor, a hoisting machine and also an elevator system. The electric motor (1) according to the invention comprises a stator (4), which stator comprises slots (5), into which slots a concentrated windi...
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WO/2011/120564 |
The present invention relates to rotor assemblies (1) of synchronous machines (100) and manufacturing method for the rotor assemblies, in particular to rotor assemblies with press-fitting elements which provide improved bonding of rotor ...
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WO/2011/119574 |
An electric machine is described. The electric machine includes a rotor comprising a rotor disk and a plurality of permanent magnets magnetically coupled to the rotor disk. The plurality of permanent magnets include a substantially flat ...
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WO/2011/117466 |
An air-gap diameter of a rotor of an electrical machine is arranged to have a con- cave axial profile or a bore diameter of a stator is arranged to have a convex axial profile so that the air-gap (107) of the electrical machine is substa...
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WO/2011/116777 |
An electrical machine is proposed which comprises a salient pole stator with coils, and a salient pole rotor made up of a heavy-duty ring and a magnet system that consists of stacks of segmented plates and pole plates and tangentially ma...
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WO/2011/118062 |
Disclosed is a rotor (R) for a dynamo, capable of cooling a permanent magnet while minimizing rotational reaction of a cooling medium that arises from the rotation of the rotor. In the rotor (R) for the dynamo, the interior circumference...
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WO/2011/116776 |
What is proposed is: a rotor of an electrical machine, said rotor comprising a shaft, to which disk assemblies with permanent magnets are fixed. The rotor is characterized in that the disk assemblies comprise central rings formed from st...
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WO/2011/116778 |
What is proposed is: a magnetic module comprising a composite magnet formed by a plurality of elemental magnet plates with the same direction of magnetization which are enclosed in a thin-walled housing consisting of a nonconductive, non...
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WO/2011/118214 |
Disclosed is a motor comprising a rotor provided with permanent magnets with a number of magnetic poles P, and a stator provided with a number of disks M disposed circumferentially so as to face the permanent magnets across a gap. The st...
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WO/2011/117466 |
An air-gap diameter of a rotor of an electrical machine is arranged to have a con- cave axial profile or a bore diameter of a stator is arranged to have a convex axial profile so that the air-gap (107) of the electrical machine is substa...
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WO/2011/114574 |
Disclosed is a permanent magnet synchronous motor capable of adequate alleviation of cogging torque of 2f and 4f components. A permanent magnet synchronous motor comprises z status slots (21) formed in a circular shape, with a coil appli...
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WO/2011/113143 |
Disclosed herein are stator components designed to facilitate stator mounting as part of a generator. Also disclosed are generators suitable for use, for example, as part of a wind turbine, their components, as well as methods for their ...
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WO/2011/113887 |
A permanent-magnet electric motor (1) comprises a rotor (4) to which permanent magnets (6) and a stator (2) are fixed. The stator comprises a stator structure and windings (5) arranged on the stator structure. The stator structure is for...
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WO/2011/115634 |
Electrical machines, for example transverse flux machines and/or commutated flux machines, may be configured to achieve reduced overall cogging torque via implementation of a sixth-phase offset. Individual cogging torque waveforms in the...
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WO/2011/114594 |
Provided is a permanent magnet-type rotary generator having armatures structured in such a manner that it is possible to increase the maximum torque that can be generated, by reducing the leakage flux, while also being able to withstand ...
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WO/2011/114414 |
A rotor (100) comprising: a core (11) which comprises a laminated steel plate composed of multiple flat electromagnetic steel plates (21) laminated on each other and has a through hole (26) formed at the rotation center thereof; a shaft ...
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WO/2011/114758 |
Disclosed are a dynamo-electric machine and a stator that can reduce cogging torque by means of an improvement with respect to the deformation of a stator core. In the stator (10)—which comprises a stator core (11) affixed to the inner...
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WO/2011/113887 |
A permanent-magnet electric motor (1) comprises a rotor (4) to which permanent magnets (6) and a stator (2) are fixed. The stator comprises a stator structure and windings (5) arranged on the stator structure. The stator structure is for...
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WO/2011/115632 |
Electrical machines, for example transverse flux machines and/or commutated flux machines, may be configured to achieve increased efficiency, increased output torque, and/or reduced operating losses via use of extended magnets, overhung ...
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WO/2011/115633 |
Electrical machines, for example transverse flux machines and/or commutated flux machines, may be configured to be coupled to an electric bicycle or other light electric vehicle. Certain exemplary electrical machines may be configured wi...
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WO/2011/111317 |
A stator core is formed of a main core including a first segment core, second segment core, and plate body, and a third segment core (I-shaped core). A rotor is disposed in a rotor insertion hole of the stator core, and an output shaft o...
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WO/2011/110558 |
Electrical motor incorporating internal rotor cooling An electrical motor (1) includes a shaft (3) and a rotor (2) mounted upon said shaft (3). The shaft (3) comprises an inlet (8) for cooling air, and an internal passageway (10A, 10B) f...
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WO/2011/110857 |
A stator for a flux switching permanent magnet machine has multiple pole pieces with windings around each pole piece. Each pole piece and the windings associated with each pole piece are physically separated from the other pole pieces an...
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WO/2011/110421 |
The invention relates to an external rotor of an electric machine and to a production method for an external rotor of this type. To achieve the lightest possible construction, the external rotor has an armature thickness that is defined ...
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WO/2011/111187 |
Disclosed is an electric motor rotor in which an insulating sleeve, which is applied on a shaft and insulates between the shaft and an antifriction bearing in order to suppress the electrolytic corrosion of the bearing, can be securely f...
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WO/2011/111188 |
Disclosed is an electric motor rotor in which the electrolytic corrosion of an antifriction bearing can be suppressed without losing productivity and quality by extending a resin section that unifies a rotor magnet, a shaft, and the like...
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WO/2011/110421 |
The invention relates to an external rotor of an electric machine and to a production method for an external rotor of this type. To achieve the lightest possible construction, the external rotor has an armature thickness that is defined ...
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WO/2011/111317 |
A stator core is formed of a main core including a first segment core, second segment core, and plate body, and a third segment core (I-shaped core). A rotor is disposed in a rotor insertion hole of the stator core, and an output shaft o...
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WO/2011/110476 |
A multi-spindle lathe comprising a machine frame (12), a spindle drum (14), which is arranged in the machine frame (12), is rotatable about a spindle drum axis (16) and is made up at least partially of segments (80) cut out from flat mat...
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WO/2011/108737 |
The magnet groups are arranged one above the other along a rotation axis such that the magnets in each magnet group are circumferentially displaced from the magnets in the other magnet group by a predetermined step angle. The rotor cover...
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WO/2011/107168 |
The invention describes a method of attaching a magnet (1) to a rotor (2) or a stator of an electrical machine, which method comprises the steps of arranging a magnet (1) along a surface of the rotor (2) or stator; arranging a pair of re...
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WO/2011/108733 |
The method includes the step of: a) defining a base of the rotor cover; b) defining support regions each having a cross section in a shape of a minor arc, and arranged to project radially outward to match the convex surface of a separate...
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WO/2011/108736 |
A stator and so on are provided which are compatible with a variety of wiring configurations and are excellent in versatility, while preventing an increase in the size of a busbar unit. The stator is defined by a plurality of stator segm...
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WO/2011/108529 |
The disclosed drive motor for an electric vehicle makes it possible, without an increased outside diameter, to prevent a motor stator from becoming misaligned due to vibration, and thus to prevent the motor from losing efficiency due to ...
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WO/2011/108735 |
A stator segment arranged to define a portion of an annular stator includes a core segment including a core back portion arranged to extend in a circumferential direction of the stator, and a tooth portion arranged to extend from the cor...
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WO/2011/108363 |
Disclosed is an electric motor capable of highly efficient driving, as well as self-starting, as a permanent magnet synchronizing electric motor. A permanent magnet synchronizing electric motor is configured from a rotating element (100)...
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