H02K2213/12

Rotor of an asynchronous machine
10181775 · 2019-01-15 · ·

A rotor of an asynchronous machine with a cage rotor includes a laminated core formed from a plurality of partial laminated cores. The laminated core has substantially axially extending conductors arranged in slots in the laminated core. The conductors include at least two materials of different electrical conductivities, such that a material with a higher electrical conductivity surrounds a material with a lower electrical conductivity by at least 65% in a circumferential direction.

STATOR FOR AN AXIAL FLUX MACHINE WITH A STATOR RING COMPOSED OF MODULES

This invention relates to a stator for an axial flux electromagnetic machine, with the stator forming a ring (1) having two substantially circular faces (1a, 1b) connected by a thickness comprising windings (3) regularly distributed in the ring (1). Each winding (3) is carried by a unit portion (4) having a core (5) around which the winding (3) is wound. The unit portions (4) are arranged concentrically edge-to-edge with respect to one another and have securing means (12, 12a, 14) with a support member (6) which is part or not of a casing housing the ring (1) carried either by axial and lateral faces of each unit portion (4) edge-to-edge or by at least one upper or lower face of with each unit portion being part of a substantially circular face.

Permanent magnet motor

In a permanent magnet motor, projections each include a second projecting portion and a first projecting portion separated away from a side surface of a permanent magnet. When the first projecting portion has a total length L1 in an axial line direction and a height t1, and when the second projecting portion has a total length L2 in the axial line direction and a height t2, (L1t1)>(L2t2) is satisfied. As a result, the permanent magnet motor capable of reducing vibration noise of the motor by reducing irregular rotation, reducing decrease in motor torque, and further reducing increase in motor physical size can be obtained.

Methods and apparatus for segmenting a machine

In some embodiments, a system includes a machine segment that includes multiple coils. Each coil is electrically isolated from the other coils in the machine segment, and each coil is electrically coupled to at least one electrical terminal to provide electrical access to the coil. Each electrical terminal provides electrical access to the coil to which it is electrically coupled such that the coil can be removably electrically coupled to an electrical circuit. The machine segment is also configured to be removably mechanically coupled to a second machine segment to form at least a portion of a stator or a portion of a rotor.

Modular Tubular Linear Switched Reluctance Machine
20190006929 · 2019-01-03 ·

The present disclosure relates to a tubular linear switched reluctance machine including a segmented translator having a non-magnetic material body and ring segments of magnetic material axially separated from each other and provided on the body, which ring segments are distributed along the axial direction of the body, and a stator arranged to electromagnetically interact with the segmented translator, wherein the stator has a plurality of coaxially arranged annular modules, and a respective annular non-magnetic spacer arranged between each pair of subsequently arranged modules.

COIL ARRANGEMENT AND HOUSING MODULE SET FOR A COIL ARRANGEMENT OF AN ELECTRIC MOTOR

A coil arrangement for an electric motor includes a plurality of individual coils and a plurality of housing modules. Each of the housing modules is a plastics part that is separately produced from the coil arrangement. Each of the housing modules is designed to enclose the same amount of the individual coils.

STATOR ASSEMBLY INCLUDING INSULATION MEMBER AND METHOD OF ASSEMBLY THEREOF

A stator assembly includes an annular body extending about a central axis and a plurality of stator teeth extending axially from the annular body and spaced circumferentially about the annular body. The stator assembly includes at least one conduction coil and at least one bobbin configured to support the at least one conduction coil. The at least one bobbin is coupled to a first stator tooth such that the at least one conduction coil extends about the first stator tooth. The stator assembly further includes at least one insulation member configured to couple to a second stator tooth and extend into a slot between the second stator tooth and the at least one conduction coil. The at least one insulation member includes an end wall configured to cover the distal end of the second stator tooth when the at least one insulation member is coupled to the second stator tooth.

Electrical machine

The present invention relates to an electrical machine having a stator. The stator comprises a plurality of slots for receiving a stator winding. One respective conductor section of the stator winding is inserted into each slot. The conductor sections of at least one pair of poles are short-circuited to one another on a first side of the stator. The conductor sections on a second side of the stator, opposite from the first side, are each connected to a terminal of a power supply unit. The power supply unit consists of two annular electrical conductors, between which at least one power-electronics component is arranged.

SUPPORT ELEMENT, IN PARTICULAR STATOR SUPPORT ELEMENT AND/OR ROTOR SUPPORT ELEMENT, SYSTEM OF SUPPORT ELEMENTS, GENERATOR SUPPORT, GENERATOR, GENERATOR SUPPORT SYSTEM, NACELLE OF A WIND TURBINE, WIND TURBINE AND METHOD FOR ASSEMBLING A GENERATOR SUPPORT SYSTEM
20180375407 · 2018-12-27 ·

Provided a support element for a support of a ring generator, in particular a stator support element for a stator support of a ring generator, and/or a rotor support element for a rotor support of a ring generator, wherein, to form the support, a number of support elements are assembled over a generator surface and which support is designed with an outer-circumferential supporting ring for the attachment of a winding and with an inner-circumferential supporting flange for the attachment of a pin for connection to a bed plate. It is provided that the support element has:a first leg, which is assigned to a first sector of an area of the generator surface and is designed for the assembly of the supporting ring,a second leg, which is assigned to a second sector of an area of the generator surface and is designed for the assembly of the supporting ring,the first leg and the second leg adjoining, in particular integrally adjoining, a seat flange that extends over the entire inner circumference and is designed for the assembly of the supporting flange.

Stator-rotor device for an electrical machine
10164485 · 2018-12-25 · ·

A stator-rotor device for an electrical machine, in particular an electric motor, includes a stator and a rotor, wherein the stator-rotor device pole cores provided with windings comprise pole shoes and magnets associated therewith. The pole shoes are connected via a first surface to a respective pole core and have a second surface that is facing towards the magnets. The pole shoes cooperate magnetically with the magnets and are separated from the latter by an air gap. The pole shoes and the magnets engage with one another in an engagement direction in such a way that in each case a section of the other componentmagnet or pole shoesis arranged lying opposite the respectively engaging componentpole shoe or magnettransverse to the engagement direction on two sides facing away from one another. The second surface is larger than the first surface.