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Patent Searching and Data


Matches 301 - 350 out of 7,005

Document Document Title
WO/2016/012135A1
The invention relates to a short-circuiting ring for an electric machine, comprising a single-piece serpentine ring member (7) made of a single-piece strip material. The invention also relates to a rotor for an electric machine.  
WO/2015/197477A1
Disclosed is an electric machine comprising a stator and a rotor that is rotatably mounted about an axis of rotation. The rotor has an internal rotor core which is provided with at least one electric coil winding. The rotor core and the ...  
WO/2015/200033A1
A rotor bar relief system and a method of manufacturing a squirrel-cage rotor including a rotor bar relief system are disclosed where a plurality of rotor bars affixed within corresponding slots of an end cap of the shaft of the rotor an...  
WO/2015/196229A1
Disclosed is a stator arrangement for a single-phase induction motor, especially for use in a refrigerant compressor, comprising a stator core (25) that has a plurality of grooves (1-24) and supports at least one main winding (26) and at...  
WO/2015/192181A1
ABSTRACT The motors/generators of the preferred embodiments comprise a rotating part (rotor) and a stationary part (stator). In the devices disclosed, the primary function of the stator is to provide a high strength background magnetic f...  
WO/2015/195800A1
A high speed induction motor assembly comprising a solid, multilayer rotor and a stator core with a fractional-slot tooth-coil winding is provided. The ratio of slots number per pole and phase is sub-unitary. The rotor includes a solid f...  
WO/2015/188985A1
The invention proposes an electrical asynchronous machine comprising a rotor (5), a stator which surrounds the rotor, a squirrel cage (7) which is arranged on the rotor, and securing rings (19). In this case, the securing rings (19) are ...  
WO/2015/189120A1
Disclosed is an electric machine comprising a stator and a rotor that is rotatably mounted about an axis of rotation. The rotor has an internal rotor core which is provided with at least one electric coil winding. The rotor core and the ...  
WO/2015/187127A1
The present invention provides power factor controller systems, methods of use and apparatuses that relate generally to Power Efficiency and more specifically to Adaptive Power Factor Control to automatically correct power factor to near...  
WO/2015/172920A1
The invention relates to a method for producing a squirrel-cage rotor (10) for an electric machine comprising: providing a laminated disk pack (12) having axial grooves (22) for accommodating short-circuit bars (14); inserting short-circ...  
WO/2015/173969A1
The present invention addresses the problem of finding out the reason why a half of energy is lost as heat when a power generator generates power or when an electric motor is driven and achieving an effective use of energy. The present i...  
WO/2015/169532A1
The invention relates to a cage rotor for an electric machine having a rotor core and an electrically conductive rotor cage arranged around said rotor core, the rotor cage comprising carbon nanotubes. The invention further relates to an ...  
WO/2015/151362A1
A squirrel-cage motor rotor comprises: a plurality of conductor bars (4) disposed at constant intervals in a circumferential direction of a rotor core (1); a short-circuit ring (5) connected to an end of each of the conductor bars (4); a...  
WO/2015/151244A1
A squirrel-cage rotor (3) used in an induction motor comprises: a core (7) laminated to a cylindrical shape; slots (6) formed within a radial position of the core (7); conductor bars (4) formed in the slots (6); conductor end rings (31a,...  
WO/2015/146019A1
An outer rotor-type electric motor (2) is equipped with a stator (20) having: a stator iron core (16) provided with a plurality of slots in a circular ring shape; stator windings wound in the slots; and an insulator (7) provided between ...  
WO/2015/140929A1
When a high efficiency induction motor is used, the effect of reduction in power consumption is maximized. To this end, a mechanical apparatus having an induction motor and a speed reduction mechanism according to the present invention i...  
WO/2015/138766A1
A multi-speed electric motor may include a plurality of windings arranged into winding phase groups. A speed controller may switch two or more windings between a series and a parallel configuration in each winding phase group. The speed ...  
WO/2015/135765A1
The invention relates to a rotor (1) of a rotating electric machine. The rotor (1) comprises a rotor lamination stack (3) with grooves (5) extending parallel to a rotor axis of the rotor (1), and magnetic pole-generating rotor components...  
WO/2015/129421A1
This rotor is provided with: a plurality of rod-shaped conductors; a first end ring (11) bonded to one end of the conductors by friction stir welding, the portion of the surface of the first end ring (11), at least on the side opposite w...  
WO2015121984A1
An induction motor rotor is provided with: a rotor core that is formed in a cylindrical shape by laminating a plurality of circular ring-shaped magnetic steel sheets having a rotary shaft hole, and that has a plurality of core slots form...  
WO/2015/117535A1
A shaft type water pump with straight steel tube is disclosed, which has a stator iron core frame (13) that is formed by casting a part of the stator iron core magnetic poles (12). The inner cavity of the stator is formed a closed straig...  
WO/2015/103626A1
A pumping system for use in hydraulic fracturing or fracing of wells. The pumping system is generally self-contained on a transportable system, such as a trailer. The weight and configuration of the trailer mast be sized to be hauled leg...  
WO/2015/093433A1
The present invention obtains a basket-type rotor production method capable of preventing a gap from forming between a closing part and a rotor core in a radially outer part of a rotor slot during die casting and of preventing thermal st...  
WO/2015/081525A1
A cast aluminum rotor, and motor using the cast aluminum rotor. The cast aluminum rotor comprises a rotor core (1), aluminum rings (2), and a conductive aluminum strip (3); the middle of the rotor core is provided with a shaft bore (11),...  
WO/2015/082766A1
A motor assembly comprising a three-phase asynchronous machine equipped with three stator phases (L1, L2, L3), a capacitor assembly (10) to establish self-excited generator operation of the asynchronous machine, a load resistor assembly ...  
WO/2015/078603A1
Electric machine comprising a stator and a rotor, wherein the rotor is adapted to rotate relatively to the stator, and wherein the rotor comprises a rotor-switching- device which is arranged at the rotor.  
WO/2015/071156A1
The invention relates to a rotor (1, 51) for an electric machine (43), which rotor comprises a laminated core (2), which has laminations (7) arranged in an axial direction (3) and a groove (16), wherein the laminated core (2) and the gro...  
WO/2015/071470A1
A downhole electric submersible pump, comprises at least one pump unit having a pump inlet, and an electric motor system to power the pump, the electric motor system comprising an induction motor and permanent magnet motor. The induction...  
WO/2015/071090A2
The invention relates to a rotor for an electric asynchronous machine having a squirrel cage and to a method for manufacturing such a rotor. The rotor (1) has a rotor body (3) comprising a plurality of recesses (5), a plurality of metal ...  
WO/2015/029529A1
A squirrel-cage rotor is equipped with a rotor (3) having a plurality of rotor slots (32) on the outer circumferential portion thereof and freely rotating inside a stator (2) by the interaction between secondary conductors (33) housed in...  
WO/2015/001601A1
Provided is a high-efficiency rotating electric machine which reduces loss due to harmonic flux. A radially inner rotor slot (4) and a radially outer rotor slot (6) are formed in the radial direction of the rotor core (2) with a radially...  
WO/2014/192349A1
In this method for producing a rotor (1) for an induction rotating electrical machine, a casting step and a shrink-fitting step are performed. In the casting step, a molten metal for forming a conductor (31) is cast in a plurality of slo...  
WO/2014/177362A2
The invention relates to a rotor (1) for an electric motor, comprising a laminated core (2) arranged on a shaft (4), said core consisting of a number of laminations (10, 16) insulated from one another. The problem to be solved is that of...  
WO/2014/167807A1
An induction synchronous motor according to the present invention includes a stator (30), a rotor (1), and a bearing (11). A rotor core (2) of the rotor (1) includes a recess (17) in an upper surface located in the direction of a shaft c...  
WO/2014/124760A2
The invention relates to a squirrel cage (100) for a squirrel-cage rotor. The squirrel cage comprises a plurality of cage bars (150), which extend in the axial direction (105) of the squirrel cage, a first cage ring (110A), and a second ...  
WO/2014/124763A2
The invention specifies a squirrel cage (100) for a squirrel-cage rotor. The squirrel cage (100) has a plurality of cage bars (120), which run in the axial direction (101) of the squirrel cage, and a first short-circuiting ring (110A). A...  
WO/2014/115500A1
A single-phase induction motor includes a pair of coils including a main coil and an auxiliary coil (2) that are lap-wound into a set, there being formed in the single-phase induction motor a lap-wound coil (11) provided with a plurality...  
WO/2014/115501A1
An external rotation-type induction motor (2) is provided with: a stator iron core (7) comprising, in the center thereof, a shaft hole through which a shaft (6) passes, and an inner winding (8) and an outer winding (9) that are arranged ...  
WO/2014/090440A2
The invention relates to an asynchronous machine (1) as can be used particularly in electric vehicles or hybrid vehicles. The asynchronous machine (1) has a rotor (5) and a stator (3). The asynchronous machine is designed and controlled ...  
WO/2014/090694A1
The invention relates to a squirrel-cage rotor (1, 62, 72, 82) for an electric machine (50, 52, 54, 56), said rotor having a laminated core (2, 206, 207, 208) which extends in an axial direction (3) from a first axial end (4, 163, 173, 1...  
WO/2014/078927A2
The present invention relates to a single-phase induction motor comprising a stator, the stator comprising a main winding with a first coil (P1a), a second coil (P1b), a third coil (P2a) and a fourth coil (P2b). The first coil (P1a) and ...  
WO/2014/076054A1
Asynchronous transversal flux machine (2), having a rotor element (4); wherein the rotor element (4) has substantially a disc shape and a rotation axis which is arranged perpendicular to the disc shape; and two stator elements (6), each ...  
WO/2014/071481A2
The present invention relates to an electric motor rotor whose buses (31) of the inductors in short circuit (3) comprise at least one linear crystal (4) shaped in analogous direction to the functional direction of electric current flow (...  
WO/2014/067756A1
The invention relates to a cage rotor (3, 43, 83) for an electric machine (4, 44, 84), comprising a rotor laminated core (5, 305, 605, 105) having a groove (6, 306, 406, 806), a rotor end ring (8, 110) that is cast on to one axial end (7...  
WO/2014/067792A1
The invention relates to a cage rotor (3,23,33,43,63,73,83,93) for an electric machine (4,24,34,44,64,74,84,94), comprising a rotor laminated core (5) having a groove (6), a rotor end ring (8,38) that is cast on to one axial end (7) of t...  
WO/2014/054930A1
The invention relates to electrical engineering, and more particularly to heavy-duty asynchronous motors. In order to improve the starting characteristics of an asynchronous electric motor containing a stator and a rotor with a core that...  
WO/2014/053637A1
Rotor of a wound rotor induction machine comprising multiple phase wave windings comprising two or more winding branches in each phase. In the rotor at least one branch of the windings is connected to delta connection and at least one br...  
WO/2014/032872A1
The invention relates to an end lamination (5) of a laminated core (3) of a rotor (1) of an electrical machine, and to a rotor, but also to a production method. The end lamination (5) has a first segment (23) and a second segment (25), w...  
WO/2014/029554A2
The invention relates to a rotor (16) for an electric machine (10), comprising a laminated core (20) which is formed by a plurality of layered core laminations (34, 38), wherein the layered core laminations (34, 38) comprise overlapping ...  
WO/2014/023991A1
The present invention relates to a shaded-pole, single-phase induction motor, which can be converted to a permanent magnet motor, of the type that includes a front casing, a stator element, a rotor element, a plurality of windings arrang...  

Matches 301 - 350 out of 7,005