electric rotating (Total 5545 Patents Found)

A method of manufacturing a stator includes the steps of: ( 1 ) forming substantially planar electric wires each of which includes in-slot portions to be received in slots of a stator core and turn portions to be located outside the slots to connect adjacent pairs of the in-slot portions; ( 2 ) rolling each of the plan...
Disclosed is a multi-phase electric rotating machine having toroidal coils that consists of a stator having the number P of stator units (P is integer, P>2), a rotor facing the stator with a predetermined air gap. Each of stator units is formed of a pair of stator iron cores and a toroidal coil that concentrically g...
The stator for the electric rotating machine includes a stator core that has slots, a stator coil, and an impregnant applied to the inner surface of the stator core. The stator core has a plurality of teeth that divide the slots. The teeth with chamfered surfaces and ones without chamfered surfaces are intermingled bet...
A method of metering an air-gap in an electric rotating machine comprising a rotor core provided integrally on a rotary shaft and a stator core arranged coaxially with the rotor core around the outer periphery thereof is disclosed, which method comprises measuring the width of the stator core in the radial direction pr...
The present invention provides a technique for enabling permanent magnets constituting the field magnet system of an IPM electric rotating machine to be embedded in a rotor core in a shallower depth. The IPM electric rotating machine is composed of a stator and a rotor. The rotor includes a rotor core and permanent mag...
A magnetic gap is provided between a permanent magnet of a rotor and an auxiliary magnet pole portion which is arranged adjacent to the permanent magnet in a peripheral direction. A gradual change in a magnetic flux density distribution of a surface of the rotor is obtained and a cogging torque and a torque pulsation a...
A permanent magnet type electric rotating machine comprises a stator having a distributed winding and a permanent magnet rotor, wherein the permanent magnet rotor is provided with a wind passage in an axial direction thereof....
An the electric rotating machine which is compact and of reduced cost by improving the thermal conductivity of the main insulation in the thickness direction while maintaining the insulation breakdown voltage of the main insulation high. The initial breakdown voltage V in the thickness direction of the main insulator 3...
A method of forming an armature core for an electric rotating machine is disclosed. The band-shaped metal sheet for forming a core sheet has a multiplicity of grooves formed along a longitudinal edge which defines the inner peripheral edge of a core sheet when the metal sheet is formed into an annular shape. The metal ...
An electric rotating machine comprising a stator core having a plurality of slots that are equally spaced on the inner surface of the stator core in the peripheral direction, a rotor that rotates inside the stator core, and an armature winding that is applied to each of the slots, wherein the armature winding is made u...
A switchable arrangement for at least three different operating states is made possible with a minimum number of external winding terminals and a switching device as simple as possible, and current heating of the entire winding as uniform as possible. In the starting-up stages with free adaptation of the inrush current...
A electric rotating machine includes a rotor winding constituting a part of a rotor, a conductor provided in a center portion in a radial direction of a rotor body for supplying electricity to the rotor winding from the outside, a leader drawn from the conductor to an outside diameter side, and a connecting line constr...
A permanent magnetic type electric rotating machine includes: a stator having armature winding arranged in several slots formed in a stator core; and a rotor having permanent magnets held in several permanent magnetic insertion holes formed in a rotor core, in which a peripheral surface of the rotor core is configured ...
A control apparatus and method for controlling an electric rotating machine for vehicle reduces shock at the time of switching power generation mode. The control apparatus include an electric rotating machine functioning as a starter motor and a charging generator 1, an inverter comprised of switching elements 14 t...
A rotor is deployed such that the rotor becomes coaxially rotatable with a stator. A shaft is fixed onto the axis of a rotor iron-core. 1-pole constituting magnet slots are deployed into V-character pattern along an outer circumference portion of the rotor iron-core. Permanent magnets are embedded into the magnet slots...
The stator winding bars (12) e.g. of an alternator are fixed to the magnetic circuit (2) by means of teeth (14, 16) fixed on the cylindrical inner surface (44) of said circuit and protruding inwardly therefrom. Successive teeth going circumferentially round the cylindrical surface are alternately long teeth (14) and sh...
In a controller-integrated electric rotating machine provided with a power circuit unit and a control circuit unit, a cooling property is improved so that the control circuit unit does not impair a flow of air for cooling the power circuit unit. A power circuit unit having switching elements for converting DC power to ...
Electric rotating machine suppressing narrowing of a magnetic path caused by a skin effect in a housing to increase torque, including stator core having e.g. core back and teeth; stator windings wound around the teeth; stator including stator core and stator windings; housing composed of a magnetic body accommodating t...
At one ends of a pair of coil wires 30 , a pair of turn portions 42 are crossed. Further, the other ends of the coil wires 30 are held such that an angle θ between the axes of the coil wires 30 falls in a predetermined range (e.g., greater than or equal to 10° and less than or equal to 90°). Then, the coil wi...
PURPOSE: To consider the balance of cracks even in the case where cracks occur in a permanent magnet rotor by arranging plural cuts extending in axial direction at equal intervals in circumferential direction on, at least, either of the inside periphery and the outside periphery of a cylindrical permanent magnet. ...
Procédé de régulation d'une machine électrique tournante (1) comprenant : une étape préalable de détermination d'une loi de commande en tension discrète de la machine (1), déterminant la tension de commande discrète (~s,k-1) à appliquer chaque instant d'échantillonnage (k), sous la forme d'u...
An electric rotating machine includes a rotor, a stator in which a coil is so wound as to have an coil end, and a coolant supply pipe. The coolant supply pipe lies with a length thereof extending substantially parallel to an axis of rotation of the rotor and is disposed above the stator in a direction of gravitational ...
An electric rotating machine is provided that efficiently radiates heat, caused in the vicinity of a portion where a brush and a slip ring makes contact with each other, to the outside of a brush holder and that can prevent the temperature of the brush from excessively rising. The brush holder holding the brush that su...
An electric rotating machine includes a stator 10, a rotor 20 inserted in a bore of the stator 10 such that an air gap is formed between the stator 10 and the rotor 20, and a plurality of permanent magnets embedded in a peripheral portion of the rotor core of the rotor 20 in a circumferential arrangement. Slits are for...