A disc-type three-degree-of-freedom magnetic suspension switched reluctance motor includes a stator and a double-disc rotor. The stator includes an axial stator core, a permanent magnet ring, and a radial stator core coaxially connected to each other in sequence from outside to inside. Axial suspension teeth are distributed on two axial ends of the axial stator core, several axial torque teeth are evenly distributed between adjacent axial suspension teeth by axial magnetic isolation blocks, and axial suspension windings and axial torque windings are respectively wound on the axial suspension teeth and the axial torque teeth. Radial suspension teeth are distributed on the inner circumference of the radial stator core, radial torque teeth are evenly distributed between adjacent radial suspension teeth by a radial magnetic isolation block, and a radial suspension winding and a radial torque winding are respectively wound on the radial suspension teeth and the radial torque teeth.

A rotating electric machine includes an armature and a field rotor. The field rotor includes magnetic pole teeth, an annular body portion, a bypass gap portion and permanent magnets. The magnetic pole teeth are arranged so that the polarities thereof alternate between N and S in a circumferential direction of the field rotor. The annular body portion connects the magnetic pole teeth at their root portions. The bypass gap portion is provided on an opposite side of the annular body portion to the magnetic pole teeth. The permanent magnets are provided in the annular body portion so as to be spaced from one another in the circumferential direction. The bypass gap portion includes first magnetic gaps each of which is formed adjacent to one of the permanent magnets. Each of the permanent magnets is arranged within an inter-pole angular range between one circumferentially-adjacent pair of the magnetic pole teeth.

The invention concerns a windmill including a rotatable transverse flux electrical machine (TFEM) comprising a stator portion; and a rotor portion rotatably located in respect with the stator portion, the rotor portion including an alternate sequence of magnets and concentrators radially disposed about a rotation axis thereof; the stator portion including at least one phase, the at least one phase including a plurality of cores cooperating with a coil disposed about the rotation axis, each core including a skewed pair of poles to progressively electromagnetically engage an electromagnetic field of respective cooperating concentrators. The invention is also concerned with a plurality of elements located in desired positions in the TFEM.

According to one embodiment, a rotating electrical machine includes an annular winding, a stator core, and a rotor core. At least one of the stator core and the rotor core includes a first member and a second member. The first member and the second member are formed in annular shape. The first member and the second member overlap each other in an axial direction of the shaft. The first member includes a slit-shaped first insulation section. The first insulation section extends in the axial direction. The second member includes a slit-shaped second insulation section. The second insulation section extends in the axial direction. The first member and the second member are integrally connected. The first insulation section and the second insulation section are disposed at different positions in the rotation direction.

The rotary electrical machine having a homopolar structure includes a number Npe of electrical phases. The machine includes a juxtaposition, along the rotational axis of the rotary electrical machine, of at least one pair of armatures having a number of poles Np, placed on both sides of at least one inductive coil wound around the rotational axis, two adjacent armatures being angularly offset by any electrical angle θs, preferably between 0° and 180°/Npe, and at least one “passive” inductor of ferromagnetic material, separated from the armatures by an air gap. Either the armatures form the rotor, or the inductor and the other element form the stator.

Disclosed are various embodiments for assembling a new and improved electrical motor/generator, specifically a method of producing a coil assembly is disclosed comprising: pressing a plurality of individual teeth having interlocking side features, applying a conductor around one of the interlocking side features, coupling a tooth of the coil assembly with an adjacent tooth, applying a second conductor around one of the interlocking side features of the adjacent tooth, repeating the coupling and applying steps until an entire ring has been assembled.

A fluid moving apparatus includes an electric motor having a rotor and a stator and a fluid displacement member. The rotor rotates relative to the stator on a common axis to generate a rotational output. The rotational output is provided to the fluid displacement member to power the fluid displacement member to one of move linearly along and rotate about the common axis. The stator includes one or more coils configured to power rotation of the rotor. The one or more coils extend circumferentially around and can be coaxial on the common axis.

The invention relates to a claw pole stator (1) for a transverse flux machine (2). The claw pole stator (1) is made of a plurality of segments (3) that are arranged next to one another along a circumferential direction (4) so as to form the annular claw pole stator (1). Each segment (3) extends from an inner circumferential surface (5) along a radial direction (6) to an outer circumferential surface (7) and is delimited by a first lateral surface (8) and a second lateral surface (9) in the circumferential direction (4) and by a first end surface (11) and a second end surface (12) in an axial direction (10). Each segment (3) is connected to additional segments (3) via the lateral surfaces (8, 9) in order to form the annular claw pole stator (1), and adjacent segments (3) contact one another via a first contact surface (13) on the first lateral surface (8) or via a second contact surface (14) on the second lateral surface (9) and form a connection (15) which is interlocking in the circumferential direction (4) via the contact surfaces (13, 14).

A tooth for a stator of an electrical machine and geometry of a tooth head region of a stator tooth are provided. In the case of a typical radial flux machine with an external stator and an internal rotor, the tooth head region has an asymmetry in an axial direction of view that is created by the fact that a recess is provided at a first tangential end of the tooth head region. A position of the first tangential end depends on a preferential direction of rotation of the rotor of the electrical machine and is chosen such that it is situated at a rear end of the head region when viewed in the preferential direction of rotation of the rotor.

A linear compressor includes a frame; an outer stator including a stator core disposed on the frame, a teeth portion extending inward from the stator core, and a teeth shoe extending in a circumferential direction from an inner end of the teeth portion; a coil disposed on the teeth portion; a cylinder disposed on the frame; a piston disposed in the cylinder; an inner stator coupled to an outer circumferential surface of the piston, and reciprocating in an axial direction by electromagnetic interaction with the coil; a magnet disposed on the teeth shoe and facing the inner stator; and a virtual pole disposed on the teeth shoe, disposed in front or behind in an axial direction of the magnet, and facing the inner stator. The outer stator includes a plurality of core plates stacked in the axial direction.