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Matches 1 - 50 out of 8,034

Document Document Title
WO/2019/149430A1
The invention relates to a short-circuit ring (1) for a squirrel cage of an electric machine, wherein the short-circuit ring (1) has at least one recess, preferably multiple recesses, for receiving at least one cage bar (3), preferably m...  
WO/2019/138666A1
[Problem] To provide an induction motor in which noise due to the rotation of a rotor is reduced. [Solution] An induction motor of the present embodiment is provided with a stator for generating a magnetic field and a rotor driven by the...  
WO/2019/126856A1
An electric switching system for dynamo-electric machine is disclosed, as well as the application of said system in power tools, capable of changing the topology of a universal electric motor (comprised of a rotor provided with an induce...  
WO/2019/124399A1
The present invention increases the output of a compression machine for compressing a refrigerant mixture containing at least 1,2-difluoroethylene. This compression machine (100) can provide an increased output at a relatively low cost, ...  
WO/2019/116438A1
This squirrel-cage induction rotating electric machine is provided with a solid rotor, a stator, and a bearing. The solid rotor has: a shaft portion; a cylindrical rotor core portion (13) integrated with the shaft portion and having roto...  
WO/2019/105660A1
The invention relates to a method for producing a rotor (1) of an electric machine. Grooves which can be found in a rotor core (3) and/or an annular recess (41, 42) are filled with at least two materials with different degrees of strengt...  
WO/2019/103654A1
The invention relates to the field of electrical engineering, and more particularly to low-speed induction motors powered by an electronic frequency-controlled source of trapezoidal current. The technical result is increased efficiency. ...  
WO/2019/083539A1
Halbach array of magnetically isotropic electromagnets, comprised of loosely-wound, spring-like nested electromagnetic coils, wound and arranged in close proximity in Halbach array sequence, encased in various combinations of powdered ma...  
WO/2019/059052A1
In order to eliminate trouble caused by the expansion of a fluid and to assure a proper operation state, the present invention is provided with: a nozzle 4 that jets the fluid toward an object to be washed; a flow path forming body 2 hav...  
WO/2019/043812A1
The present invention is characterized in comprising a rotor core 103, copper bars 101, and end rings 102 in order to increase torque as well as reduce torque unevenness; the rotor core 103 being provided with a reference thin plate 1050...  
WO/2019/036461A1
A device comprises a rotor magnetically coupled to a stator, a plurality of slots for accommodating a plurality of conductors, wherein the plurality of slots is evenly spaced, and each slot is configured to accommodate at least one condu...  
WO/2019/025350A1
A method for manufacturing a rotor of a rotating electrical machine, comprising a stack (2) of magnetic laminations (113) defining notches (4) in which bars (10) made of a first electrically conductive material are received, method in wh...  
WO/2019/025359A1
Rotor for an electric rotating machine, comprising: - a bundle of magnetic sheets (113) having notches therethrough, the sheets being produced by punching using a press die applied to a first face (113a) of the sheets towards a second fa...  
WO/2019/025353A1
The invention relates to the rotor of a rotating electrical machine, comprising: a stack (2) of magnetic laminations (113) defining slots (4); bars (10) of a first electrically conductive material, received in the slots (4); a second ele...  
WO/2019/025344A1
The invention relates to a rotor (1) for a rotary electric machine, having a stack of magnetic laminations (2) that each have perforations (3), the superposition of these perforations (3) within the stack (2) forming notches (4), at leas...  
WO/2019/025346A1
A rotor of a rotating electrical machine, comprising : - a stack of magnetic laminations, the magnetic laminations having cut-outs forming, within the stack, n main notches (4) and m secondary notches (40), radially inwards with respect ...  
WO/2019/025348A1
The invention relates to a rotor for a rotary electrical machine, comprising: - a packet (2) of magnetic sheets comprising notches (4) formed by holes of the magnetic sheets (2), separating raised patterns extending inside the holes and ...  
WO/2019/025360A1
The rotor of a rotary electric machine, comprising: – a bundle of magnetic laminations defining slots each having first and second opposite long sides, oriented substantially radially, – bars (10) of a first electrically conducting m...  
WO/2019/025355A1
Rotor of a rotating electrical machine, comprising a stack of magnetic laminations (113) defining a first series (60) of notches (4) and a second series (80) of notches (4) linked together by a first radial passage (16), the notches (4) ...  
WO/2019/025349A1
Rotor of a rotary electric machine, comprising a bundle (2) of magnetic laminations (113), the magnetic laminations (113) comprising openings (3) forming slots (4) within the bundle (2), the bundle (2) comprising at least one keeper lami...  
WO/2019/016203A1
The invention relates to a winding system (10) for a stator (11) of an electric machine (12). The winding system (10) comprises at least two first conductor sections (13) and at least two second conductor sections (14), at least two half...  
WO/2019/012178A1
A rotor of an induction machine comprises a rotor core structure (102) and a cage winding. The cage winding comprises conductor bars (103, 104) and end-ring structures at ends of the cage winding. Each end-ring structure comprises axiall...  
WO/2019/011235A1
A high-speed asynchronous motor rotor structure and a motor comprising same. The rotor structure comprises: a rotor core (1) provided with an axial through hole in the center; first rotor end rings (3) made of silicon steel sheets with h...  
WO/2019/007662A1
The invention relates to a rotor (10) for an electric motor, comprising a shaft (12) that extends in the axial direction, a main body (20) that is formed from a multiplicity of metal disks (22) and is arranged on the shaft (12), wherein ...  
WO/2018/230201A1
The induction electric motor rotor according to an embodiment has a rotor core, rotor slots, and conductor bars. The rotor core is provided rotatably about a rotation axis line. The rotor slots are formed close to the outer circumferenti...  
WO/2018/220677A1
This rotor is provided with a rotor core (31), a plurality of first conductors (331), a second conductor provided on one end side in the axial direction of the rotor core (31), and a third conductor provided on the other end side in the ...  
WO/2018/221449A1
An electric motor according to an embodiment has a stator and a rotator. The stator has a stator iron core, a plurality of stator teeth, and a plurality of stator slots. The plurality of stator teeth, around which a stator coil is wound,...  
WO/2018/211239A1
A machining spindle shaft (1b) for a machining spindle (1) having an ac induction motor (4) for rotatingly driving the shaft relative to a main body (1a) of the spindle (1). The shaft comprises a tool holder (2) for holding a tool (D) an...  
WO/2018/206230A1
The invention relates to a method for producing a squirrel-cage rotor (4) for an asynchronous machine (1) comprising the following steps: - providing a laminated rotor core (5) having substantially axially running grooves (14), - inserti...  
WO/2018/190114A1
A dynamo-electric machine (10), provided with a rotor (22) and a stator (23) obtained by winding stator windings (11, 12) in a plurality of slots (34) provided in the circumferential direction. The stator windings are configured from n g...  
WO/2018/179126A1
In order to improve the trade-off between current suppression during startup and torque increase during a steady state, a rotor is provided with: a rotor core 103 formed by laminating thin plates and rotating about a rotating axis; and a...  
WO/2018/177737A1
The invention relates to a squirrel-cage rotor of an asynchronous machine (1), comprising conductors (9) in grooves (12) of a magnetic field-conducting rotor, and electrically conducting rotor end rings (6) which are located in the regio...  
WO/2018/179270A1
This rotor is characterized by being provided with: a rotor core 103 in which thin plates are stacked, and which has a plurality of slots 105 that pass through in the rotational axis direction and are spaced apart from each other in the ...  
WO/2018/162157A1
The invention relates to a method for producing a rotor of an electric machine, which rotor is preferably designed as a squirrel-cage rotor. The end rings and/or squirrel-cage bars are produced by means of a metal powder application meth...  
WO/2018/163251A1
In the present invention, a rotor (1) is provided with: a rotor core (11) in which a groove that accommodates rotor bars (12) is formed in the outer circumferential side of the rotor core; shorting rings (13) that electrically connect th...  
WO/2018/153455A1
The invention relates to a rotor for an electrical machine (1), comprising a first rotor part (10) and a second rotor part (10), which is designed as a squirrel-cage rotor (17) having a conductor assembly (15), the first rotor part (10) ...  
WO/2018/154176A1
A rotor of an induction machine comprises a ferromagnetic core structure (103) and a cage winding. The cage winding comprises rotor bars (104) and end-rings. The rotor bars are located in slots of the ferromagnetic core structure. The en...  
WO/2018/150072A1
The present invention can detect internal faults in systems, regardless of whether the shortcircuit occurs in the stator or in the rotor of a wound rotor induction machine (2). The differential current wave calculated as a result of comp...  
WO/2018/146604A1
The present subject matter provides electric machine (16) with an auxiliary coil (20) wound around a stator tooth and voltage induced in the auxiliary coil 5 (20) is used to control one or more switches (s101, s102) used for winding reco...  
WO/2018/132473A1
A system for an axial field rotary energy device (31) can include modules (201) that each are an axial field rotary energy device (31). The modules can be connected together for a desired power input or output. Each module can include a ...  
WO/2018/132464A1
An axial field rotary energy device (31) can include a rotor (33) comprising an axis (35) of rotation and a magnet (37). In addition, a stator (141) can be coaxial with the rotor. The stator can include a plurality of stator segments (14...  
WO/2018/132460A1
An axial field rotary energy device (31) can include a rotor (33) having an axis (35) of rotation and a magnet (37). A stator (41) can be coaxial with the rotor. The stator can have a printed circuit board (PCB) (45) having a plurality o...  
WO/2018/132484A1
An axial field rotary energy device (31) can include a housing (203). A rotor (233) can be mounted inside the housing. The rotor can include an axis (235) of rotation and a magnet (237). A stator (311) also can be mounted inside the hous...  
WO/2018/132492A1
An axial field rotary energy device (31) can include a housing (203). A rotor (33) can be mounted inside the housing. The rotor can include an axis (35) of rotation and a magnet (37). A stator (41) can be mounted inside the housing coaxi...  
WO/2018/132488A1
An axial field rotary energy device (31) can include a rotor (33) having an axis (35) of rotation and magnets (37). Each magnet can extend in a radial direction relative to the axis. Each magnet can include a magnet radial edge (67). The...  
WO/2018/132469A1
A module (201) can be an axial field rotary energy device (31) including a housing (203) having coupling structures (209) configured to mechanically couple the housing to a second housing (203) of a second module (201). In addition, the ...  
WO/2018/128819A1
Power converters for use in wind turbine systems are included. For instance, a wind turbine system, can include a wind driven doubly fed induction generator having a stator and rotor. The stator is configured to provide a medium voltage ...  
WO/2018/116738A1
This rotor (12) for a dynamo-electric machine (10) has: a first core block (B1) formed by stacking a plurality of annular steel plates (41) while the annular steel plates (41) are engaged by first staking sections (51) and are skewed in ...  
WO/2018/108968A1
The invention relates to a rotor (1) for an electric machine. The rotor (1) comprises a laminated rotor core (6), a filling element (5) made of an aluminum die-cast alloy which is cast onto the laminated rotor core (6), a first shaft jou...  
WO/2018/087774A1
The invention relates to pressure die casting process and its machine to produce highly efficient copper rotor for AC Induction Motors widely used in various industries. The invention is made in melting and casting process as well as die...  

Matches 1 - 50 out of 8,034