Abstract: Obtain a rotary electric machine in which an insulation capability of bus-bar units is maintained in order to supply current to a coil of a stator of the rotary electric machine, and the whole stator can be downsized. In the arc-shaped bus-bar units which are laminated and arranged on a coil end of a stator of the rotary electric machine, a neutral-point bus-bar unit, which includes a neutral-point bus-bar is arranged at a midpoint of phase's bus-bar units, which include phase's bus bars.

Abstract: The present invention relates to an electric motor used in household appliances such as washing machines, comprising a rotor, a stator, more than one winding the diameter and coil number of which are determined according to the desired power and the number of revolutions, more than one terminal to which the winding ends are connected, a connector wherein the terminals are situated, fixed on the stator and which provides the electrical connection between the windings and the external power source and a thermal switch connected in series to the windings, which cuts off the electric current passing therethrough and stops the operation of the electric motor by detecting the increase in the current that occurs due to reasons such as excessive load and mains voltage variability.

Abstract: An electric motor is provided including: a stator, an armature rotatably received within the stator and having an armature shaft on which a commutator is mounted, and a brush assembly. The brush assembly defines a first surface facing the stator and a second surface opposite the first surface. The brush assembly includes a brush card mount having openings, brushes in sliding contact with the commutator to supply electric current to the commutator, and thermally-conductive brush holders that house the brushes. Each of the brush holders includes a base portion disposed substantially along a same plane as a surface of the brush card mount to form the first surface of the brush assembly, and a main portion protruding from the base portion through a respective opening of the brush card mount to house a respective brush at least partially over the second surface of the brush assembly.

Abstract: Electrical machine (10), and also method for producing an electrical machine, in particular for adjusting moving parts in a motor vehicle by motor, having a stator (12) into which a rotor (14) can be inserted, wherein the stator (12) has two permanent magnets (18) which are situated opposite one another and which are arranged in a pole housing (16) which forms a magnetic return path, and the pole housing (16) has flattened regions (20) between the two permanent magnets (18), the pole housing wall (26) forming two magnetic follower poles (22), which are situated opposite one another, on the said flattened regions, wherein the maximum dimension (25) of the pole housing (16) between the two flattened regions (20) which are situated opposite one another—axially in the region of the follower poles (22)—forms a width (24) across flats for the installation space of the electrical machine (10) which is equal to a maximum of 35 mm—and in particular a maximum of 30 mm.

Abstract: A linear vernier motor includes a stator and a mover. The stator extends in a first direction. The mover extends in the first direction and a pole interval is different from that of the stator. At least one of the stator and the mover includes: a plurality of permanent magnets arranged in the first direction and a plurality of yokes arranged in the first direction. Each of the plurality of yokes is arranged between adjacent permanent magnets. The plurality of permanent magnets is magnetized to the first direction and magnetization orientations of adjacent permanent magnets are opposite to each other.

Abstract: A pump assembly includes an electric drive motor with a terminal box (6) arranged on the electric motor (4). At least one metallic component (34) extends from the electric drive motor (4) into an inside of the terminal box (6). A capture device (38, 40), for capturing condensation water collecting on the metallic component (34), is arranged in a proximity of the metallic component (34) in the inside the terminal box (6).

Abstract: An electromotive drive system having an electronics housing on the motor side and having, detachably plugged thereinto, a connection housing for connecting and contacting connection wires in particular direct current supply wires, of at least two connection cables.

Abstract: A wedge mechanism including at least one wedge element and a guide member. The guide member is attached to the second assembly and adapted for receiving the wedge element in a way that and at least an inactive position of the mechanism is defined where the first and second assemblies can be detached from each other, and an active position where at least one of the wedge element and the guide member presses against two different sectors of the first assembly such that the first assembly and the second assembly remain attached to each other.

Abstract: A motor is disclosed. The motor includes a stator with a stator coil to generate a periodic magnetic field and a rotor. An air gap is disposed between the stator and the rotor. The rotor has at least one rotor ring, a portion of the rotor ring is disposed in the air gap. Due to the magnetic field, a periodic current is induced in the rotor ring. The current flowing through the portion of the rotor ring disposed in the air gap flows in a first direction to rotate the rotor relative to the stator.

Abstract: An interior permanent magnet motor capable of increasing an output of a motor without reducing torque by increasing demagnetization resistance. The interior permanent magnet motor includes a rotator including a rotator core, and a stator. The rotator core includes a plurality of magnet accommodating holes and a plurality of permanent magnets. The thickness in the short-side direction of each of the magnet accommodating holes is minimum at the center portion of the magnetic pole, and is gradually increased toward the radially outer side of the rotator core. At least the thickness in the short-side direction of the permanent magnet at the center portion of the magnetic pole is equal to the thickness in the short-side direction of the magnet accommodating hole at the center portion of the magnetic pole.

Abstract: A linear electrical machine comprising a movable piston, an axially segmented cylinder having least one magnetically permeable segment and a bore configured to allow the piston to move within the cylinder, a cylinder housing having a bore for receiving the segmented cylinder, and means for securing the segmented cylinder in place within the cylinder housing. This arrangement permits the construction of it free piston engine linear with improved piston position control, more consistent combustion and improved electrical conversion efficiency.

Abstract: A three-phase electromagnetic motor includes: a stator that is formed by winding a winding around a magnetic pole formed between slots of a stator core; and a rotor that is disposed inside the stator and has a permanent magnet. The three-phase electromagnetic motor is formed of 8n poles and 6n slots (n is a natural number). 3n windings are wound around every other magnetic pole among a plurality of magnetic poles of the stator core.

Abstract: There is provided a dynamo-electric machine that can provide excellent insulating properties by downsizing coil ends. A dynamo-electric machine includes a stator and a rotator. The stator has a stator iron core formed with a plurality of slots arranged in a circumferential direction, and a stator coil inserted into the slots of the stator iron core. The rotator is rotatably disposed on the stator iron core with a predetermined gap. The stator coil is provided with an insulating film. The stator coil includes a main coil and a lead wire with an alternating current terminal. The main coil has a plurality of segment coils connected to one another. The segment coil is a conductor in a rectangular cross section formed in advance in a nearly U-shape. The lead wire is led from the slot. The tip end of the segment coil is formed in a trapezoid cross section.

Abstract: A coil is wound via an electrically insulating member within a slot of a stator core of an electromagnetic motor which is formed of a stator and a rotor. Groove portions are formed to oppose one another in respective opposing portions of a slot opening portion side of the electrically insulating member. An electrically insulating sheet is disposed by being inserted into the pair of groove portions.

Abstract: An exterior rotor switched reluctance machine includes a stator, a rotor adjacent the stator and adjacent a housing, the housing connected to the stator. The stator further includes a back iron, a set of stator poles connected to the back iron and a set of windings disposed between the set of stator poles. The rotor, connected to a shaft and rotatively coupled to the stator, further includes a set of rotor segments. The set of windings includes a set of phases, each phase experiencing a flux linkage that varies with an angular position of the rotor. The apparatus operates as a motor in response to selectively energizing the set of phases with a set of current pulses. The apparatus operates as a generator in response to rotating the shaft.

Abstract: This invention is related with electrical energy conversion device, which uses built-in potential of metal-to-metal junctions from repeating movements with random frequencies, speeds and amplitudes at the medium of the device. The device using the method does not rely on a resonant frequency, besides, it can convert the kinetic energy to electrical energy even at low frequencies. Furthermore, its application to the real life situations is economic and beneficial because of the efficient working principle and simple structure. Unique design of the device enables direct wiring of the outputs of identical or similar devices together for the purpose of power scaling without the need of using another device, which may cause energy losses and increase the total cost. This device also does not require a dummy voltage source or a precharge at the beginning of energy harvesting.

Abstract: A multi-gap type rotary electric machine is provided, where the machine is provided a shaft supported rotatably by a baring secured to a housing. An annular rotor is secured to the shaft and configured to rotate together with the shaft. Double stators are secured to the housing and configured to have gaps between the stators and the rotor. Relationships of: 3.5<P13/P6??(1) and P7/P6>1??(2) are met, where P6 denotes a circumferential width of each of outer salient poles, P7 denotes a circumferential width of each of inner salient poles, and P13 denotes a circumferential width of each of the outer magnets.

Abstract: A rotor includes: a rotor core; a plurality of magnets; and an adhesive that adhesively bonds the magnet to the rotor core. The magnets are housed in the magnet holders such that the same magnetic poles of adjacent magnets face each other in a circumferential direction of the rotor core. The adhesive includes: a first adhesive part that adhesively bonds two interior surfaces of the magnet holder facing the circumferential direction to the magnet and that reaches one of ends of the magnet in a direction of axis of the magnet; and a second adhesive part that adhesively bonds, on a side of one of end surfaces of the rotor core in a direction of axis of the rotor core, said end surface of the rotor core to an end surface of the magnet in an axial direction of the magnet and that is connected to the first adhesive part.

Abstract: A coaxial direct drive system includes at least two prime movers mounted to a motor carrier member about a common axis. Each prime mover includes a stator affixed to the motor carrier member, and each prime mover further includes a rotor which can rotate about the common axis. Each rotor has a driven member affixed to it, which rotates with the respective rotor, and to which driven objects, such as aero foil blades, etc. can be affixed. The motor carrier member can be directly mounted to an object to be propelled by the coaxial direct drive system, or can be hollow to receive a support mast which is mounted to the object to be driven. The driven objects can have different rotational senses, such that when the prime movers counter rotate, the driven objects generate trust in the same direction.

Abstract: An electromagnetic device is provided. It includes a plurality of input magnetic field generating devices, which will induce magnetic fields in output current generating devices. In one construction, the electromagnetic device can be operably coupled to a work input device wherein the electromagnetic device can be used as a generator set in combination with the energy input device. The input and output magnetic devices are arranged in radial arrays about a work input shaft. The output magnetic devices each include a core and a respective coil with the cores each having a longitudinal axis generally parallel to the axis of rotation of the shaft. The input devices and the output devices are mounted in respective carriers with the output device carrier being movable relative to the input device carrier.