3597results about "Windings" patented technology

The invention discloses an axial flux motor, an electric drive system and a vehicle. The axial magnetic flux motor adopts a single-stator and double-rotor structure in which a stator is arranged in the middle and rotors are arranged on two sides, and comprises a stator assembly, and a first rotor assembly and a second rotor assembly which are distributed on two sides of the stator assembly, and the first rotor assembly and the second rotor assembly are respectively connected with the stator assembly through a first rotor bearing and a second rotor bearing. The single-stator double-rotor axial flux motor only comprises one stator assembly, so that the energy loss is low, the heat productivity is low, the power density is higher, and the energy conversion efficiency is higher. One end of the rotor shaft is fixedly connected with the output part of the first rotor assembly, and the other end of the rotor shaft is in transmission connection with the output part of the second rotor assembly. The tolerance of the relative positions of the two rotor assemblies is smaller, the magnetic poles of the magnetic steel of the two rotor assemblies can be in one-to-one correspondence, and the difficulty of motor calibration after the motor assembly is assembled is reduced.

The present application discloses a coaxially integrated servo motor pump with integrated drive control functions, comprising a motor pump housing, a controller housing, and an electrical connector. The motor pump housing is provided with a blind hole, a first cavity for accommodating a plunger pump assembly, and a second cavity for accommodating a servo motor assembly, wherein the plunger pump assembly and the servo motor assembly are connected via a rotating shaft. The controller housing is connected to one end of the motor pump housing, and a drive controller is provided within the controller housing. The blind hole communicates with the second cavity, and the electrical connector is sealed and connected to the blind hole, and the electrical connector is electrically connected to the servo motor assembly and the drive controller. The distribution plate and the sealing assembly are respectively sealed with both ends of the motor pump housing. Cooling is achieved through a cooling oil channel, which connects from one end of the motor pump housing near the plunger pump assembly to the second cavity and then divides into two paths, one path passing through the center of the rotating shaft, and the other path connecting to the first cavity and passing through the distribution plate. The coaxial integration of the drive control functions is achieved, and the cooling effect is good.

The invention discloses a stator structure and an AC motor, and relates to the technical field of AC motors, and the stator structure comprises a stator magnet yoke and a flexible circuit board. A cavity with two through ends is formed in the stator magnet yoke; the flexible circuit board is wound and attached to the cavity wall of the cavity, one end of the flexible circuit board is provided with a wiring end used for being connected with an external alternating-current power source, the flexible circuit board at least comprises two conducting layers, a plurality of wires are arranged in each conducting layer, the wires in one conducting layer are electrically connected with the wires in the other conducting layer to form a coil in an enclosing mode, and the coil is arranged in the cavity. The plurality of coils are arranged at intervals along the circumferential direction of the stator magnet yoke and are electrically connected with the wiring terminal; the flexible circuit board is attached to the inner wall of the stator magnet yoke, current passes through the coil and generates a radial magnetic field perpendicular to the stator magnet yoke, and the magnetic field forms a magnetic field loop through the stator magnet yoke. According to the stator winding, the installation of the stator structure can be realized through a fitting mode, and the processing and assembling convenience of the stator structure of the motor is improved.

A power tool is provided including a housing having a grip portion with a grip circumference of smaller than or equal to approximately 120 mm; and a brushless direct-current (BLDC) motor at least partially disposed within the grip portion of the housing and configured to output a maximum power output of at least 450 watts. The motor includes a stator including a stator core and stator windings; and a rotor rotatably received within the stator and including a rotor shaft extending along a longitudinal axis and a series of permanent magnet rings mounted sequentially along the longitudinal axis and surrounding the rotor shaft, each permanent magnet including a plurality of magnetic poles.

The invention discloses an axial magnetic flux dual-motor system and a vehicle. The axial magnetic flux dual-motor system comprises a shell assembly which is provided with a controller mounting cavity, a motor mounting cavity and a speed reducer mounting cavity; the controller is positioned in the controller mounting cavity; the two axial magnetic flux motors are arranged in the motor mounting cavity side by side in the axial direction of the axial magnetic flux motors and are electrically connected with the controller; and the two planet rows are located in the speed reducer mounting cavity and symmetrically distributed on the outer sides of the two axial magnetic flux motors, and the two planet rows are in transmission connection with rotor assemblies of the two axial magnetic flux motors correspondingly. According to the whole axial magnetic flux dual-motor system, the axial size of an electric drive body is greatly reduced by adopting a dual-axial magnetic flux motor design and a single planet row transmission design, the electric drive integration design function is improved, and compared with the prior art, the axial magnetic flux dual-motor system is smaller in size, lighter in weight and lower in cost.

An electrical propulsion system comprises an inverter, an electrical motor assembly, an assembly, and a rotor position sensor. The inverter comprises a printed circuit board assembly (PCBA). The electrical motor assembly comprises a stator and a rotor. The assembly is configured to rotate a propeller and comprises a moving component and a stationary component. The rotor position sensor comprises at least one sensor coupled to the PCBA, and a magnet located on the moving component. The at least one sensor is configured to detect a magnetic field of the magnet through the stationary component.

The objective of the present disclosure is to realize downsizing of the bus-bar holder, and then to downsize an electric rotating machine apparatus and an electric power steering apparatus. In a first protruding portion of the bus-bar holder, there are provided a columnar portion, two or more first ribs that are provided on an outer circumferential surface of the columnar portion in such a way as to be parallel with a center axis of the columnar portion and in such a way as to be spaced apart from one another, and two or more second ribs; the first rib makes contact with an inner circumference surface of a first through hole of the control circuit board; the second rib makes contact with an inner circumference surface of a second through hole of the bus bar.

An electrical propulsion system for a vertical take-off and landing (VTOL) aircraft comprises an electrical motor assembly and an inverter assembly. The inverter assembly comprises a housing, a capacitor assembly, at least one printed circuit board assembly (PCBA), and a plurality of positioning pins. The capacitor assembly comprises a center hole, at least one capacitor, a capacitor housing having at least one busbar, and a plurality of through holes in the capacitor housing. The capacitor assembly and the at least one PCBA are positioned inside the housing. The plurality of positioning pins pass through the through the plurality of through holes of the capacitor housing and the at least one PCBA and are connected to the housing.

Disclosed in the present application are a double-rotor magnetic flux switching permanent magnet electric motor, a double-rotor magnetic flux switching permanent magnet electric motor optimization method and optimization device, a medium and a product. The double-rotor magnetic flux switching permanent magnet electric motor comprises an inner rotor, an outer rotor and an intermediate stator, wherein the intermediate stator comprises a stator core; permanent magnets are arranged inside the stator core on two sides thereof; the stator core comprises a plurality of toothed portions; and an excitation winding is arranged between every two adjacent toothed portions.

An electrical connection for a vehicle and methods of forming an electrical connection for a vehicle. The electrical connection includes a first electrical component including a first joining area. The electrical connection also includes a conductor including a second joining area. The conductor is joined at the second joining area to the first joining area of the first electrical component. In addition, the electrical connection includes a fusion zone formed in the first electrical component in the first joining area. The conductor includes a copper-graphene multilayer composite formed on the surface of the conductor, the composite including at least one of the following composite structures: a) alternating layers of graphene and copper deposited on the substrate, b) graphene particles dispersed in a copper matrix, and c) alternating layers of graphene and copper deposited on a copper foil, wherein the copper foil is wrapped around the substrate.

The invention belongs to the technical field of optical imaging equipment, and particularly relates to a lens driving device which comprises a base and a motor mechanism, the motor mechanism comprises a frame which is arranged on the base, an AF coil is arranged on the side wall of one side of the frame, and the AF coil and an AF magnet arranged on the side wall of the base are oppositely arranged so that the frame can move in the third direction relative to the base; the OIS coil plate is arranged in the frame, and an OIS coil is arranged in the OIS coil plate; the carrier is arranged in the frame, the OIS coil plate is located between the carrier and the frame, an OIS magnet is arranged at the bottom end of the carrier, and the OIS magnet and the OIS coil are oppositely arranged so that the carrier can move in the first direction and the second direction relative to the frame. Through an innovative position design mode, magnets adopted by AF zoom operation and anti-shake operation are independent and do not interfere with each other, and the stability of automatic focusing and optical anti-shake control is ensured.

A motor includes a stator having a winding that when selectively energized produces an electromagnetic field within a rotor cavity, and a rotor disposed within the rotor cavity of the stator and in electromagnetic communication with the winding and the electromagnetic field. The rotor includes a drive shaft, a rotor body that extends around the drive shaft and that defines a plurality of reluctance voids, and magnet inserts that are disposed within the reluctance voids. The magnet inserts occupy at least a portion of a space defined by the reluctance voids. The magnet inserts and the reluctance voids cooperate with the electromagnetic field to produce an electromagnetic torque.

The utility model relates to the technical field of motors, in particular to a motor with a sweeping vibration function, which comprises a stator and a rotor. The rotor is rotationally arranged in the stator; a first magnetic arm is arranged at one end of the stator; a second magnetic arm is arranged at the other end of the stator; the first magnetic arm is provided with a first left magnetic tooth and a first right magnetic tooth; the second magnetic arm is provided with a second left magnetic tooth and a second right magnetic tooth; coils are wound on the first magnetic arm and the second magnetic arm; the rotor is provided with a strip-shaped first magnetic steel, a strip-shaped second magnetic steel, a strip-shaped third magnetic steel and a strip-shaped fourth magnetic steel along the length direction. According to the utility model, through cooperation of the first magnetic steel, the second magnetic steel, the third magnetic steel, the fourth magnetic steel, the first left magnetic tooth, the first right magnetic tooth, the second left magnetic tooth and the second right magnetic tooth, the rotor can continuously perform small-amplitude reciprocating vibration while performing large-angle reciprocating swing; therefore, the sweeping vibration action of the human hand during tooth brushing is simulated.

The utility model discloses an open type stepping motor, which comprises a fixed seat and a motor main body, the motor main body comprises a motor shell, a stator assembly and a rotor assembly, the stator assembly and the rotor assembly are respectively arranged in the motor shell, the rotor assembly comprises a plastic part and a magnet, and the plastic part and the magnet form an integral structure through injection molding; the fixing seat is provided with a housing positioning groove corresponding to the motor housing. The bottom surface of the housing positioning groove is provided with a rotor positioning shaft which protrudes and extends. The rear end part of the motor shell is embedded and positioned in the shell positioning groove of the fixed seat; the core part of the plastic part is provided with a shaft hole which extends along the axis direction of the plastic part and is opened backwards, the rotor positioning shaft of the fixed seat is embedded into the shaft hole of the plastic part, and the rotor positioning shaft is in clearance fit with the plastic part. By means of the structural design, the LED lamp has the advantages of being novel in design, simple in structure and convenient and fast to install.

A device may include a coil unit assembly that includes a first, second, and third coil unit annularly arranged. Further, may include a busbar provided on an outer peripheral surface of the coil unit assembly, wherein when a direction in which an axis of the stator extends is defined as an axial direction, a direction which is orthogonal to the axial direction and in which outer peripheral surface and inner peripheral surface of the stator face each other is a radial direction, and a direction along an outer periphery of the stator when viewed from the axial direction is a circumferential direction, wherein the coil units each include a split core that includes a tooth that extends in the radial direction, an insulator mounted to overlap at least the tooth of the split core, and a coil that includes a winding wound around the tooth of the split core with the insulator interposed therebetween.

A brushless motor includes: a rotor configured to rotate integrally with a shaft; a stator that is placed, facing the rotor in a radial direction, and includes a core around which a winding is wound; a board that is placed, spaced away in an axial direction from one end surface of the shaft, and extends in a direction intersecting with the axial direction; a holder that is fixed to the stator and configured to hold the board; and a connecting means configured to be electrically connected to the winding.

The invention discloses a stator structure with separated tooth and yoke parts and a processing method thereof, the stator structure comprises a stator core and a stator winding, the stator core comprises a stator outer core and a stator inner core, a stator tooth part is formed on the stator inner core, a stator yoke part is formed on the stator outer core, and the stator winding is arranged on the stator outer core. Therefore, the stator tooth part and the stator yoke part of the stator core are separated. The processing method comprises a stator outer iron core processing method, a stator inner iron core processing method and a stator winding assembling method. According to the invention, a special stator structure form with separated tooth and yoke parts is adopted, so that the problem of a W-pin winding wire embedding process is solved; magnetic field distribution can be optimized through different notch structure forms, and the vibration and noise problems caused by electromagnetic force generated in the operation process of the motor to the new energy automobile are reduced; the sectional area of a copper wire is increased through different groove type design, and the motor operation efficiency is improved; and through a rotary bonding mode, the material cost is reduced, and the loss caused by welding and riveting is reduced.

The invention provides a mining electric support with a linear motor driving push rod and a buffer top beam. The mining electric support comprises a base, the buffer top beam, a shield beam, a lifting linear motor and an electric push rod. The base is fixedly connected with the lifting linear motor, so that the stability of the motor during operation is ensured, and displacement caused by vibration is avoided; compared with a traditional hydraulic support, the lifting linear motor drives the electric push rod to achieve lifting work of the top beam, the lower end of the electric push rod is fixedly connected with a lifting linear motor shaft, the upper end of the electric push rod is connected with the lower end of the buffering top beam, and the lifting linear motor drives the electric push rod to move and further drives the buffering top beam to ascend and descend. A plurality of composite shock absorbers are installed on the buffering top beam, buffering tops of the composite shock absorbers are of a rubber-steel composite layer structure, the buffering tops of the composite shock absorbers are in direct contact with a top plate to deform during beam lifting, and impact loads are absorbed. A hydraulic system is directly driven by the lifting linear motor, the energy absorption structure design is combined, the top beam buffering performance, the support response speed and flexibility are remarkably improved, meanwhile, the maintenance cost is reduced, and the safety of underground operation can be effectively improved.

Notch bottom parts 152a, 152b are arranged side-by-side with terminal accommodation boxes 100a, 100b in a circumferential direction of an insulator 134, and a routing direction of a pair of coil ends 44a inside the terminal accommodation boxes 100a, 100b is directed to a direction intersecting with an insertion direction of flat-type male terminals T1, T2. Accordingly, at the time of inserting the flat-type male terminals T1, T2 into the terminal accommodation boxes 100a, 100b, an unreasonable force is suppressed from being applied to the pair of coil ends 44a, and, as a result, a defect such as disconnection of the pair of coil ends 44a can be prevented from occurring. In addition, it is possible to orderly route the pair of coil ends 44a on the insulator 43 via the notch bottom parts 152a, 152b, and, as a result, a short circuit with another coil 44 can be prevented.

An insulator includes a teeth cover portion and a crossover-wire guide portion. The crossover-wire guide portion guides a crossover-wire portion of a coil and an introduction crossover-wire portion of an introduction coil into a terminal connection portion. The crossover-wire guide portion has a guide groove that guides the crossover-wire portion and the introduction crossover-wire portion substantially in a core circumferential direction that is a circumferential direction of the stator core. In a state in which the plurality of the split cores are assembled in a ring shape, the guide groove is formed in a shape that does not coincide with a circular arc of a circle having a center corresponding to a ring center of the assembled split cores.

The invention relates to the technical field of motors, and discloses a frameless torque motor which comprises a stator used for generating a rotating magnetic field, a plurality of stator grooves are formed in the inner wall of the stator at equal intervals, a stator winding is arranged between every two adjacent stator grooves, and a rotor used for generating rotating motion under the rotating magnetic field of the stator. The rotor is arranged in the stator and is concentric with the stator, and an air gap is formed between the rotor and the stator. When the rotor rotates clockwise or anticlockwise, through cooperation of the heat dissipation assembly and the air supply assembly, the fan blades rotate left and right by a certain angle, air flow is driven to enter a cavity formed by the mounting disc, the lower cover plate, the heat dissipation box and the air gaps, and therefore the air flow conducts heat dissipation and cooling on the stator and the rotor; the frameless torque motor is prevented from being damaged due to overheating during long-time operation, and normal operation of the frameless torque motor is guaranteed.

The invention discloses a double-stator permanent magnet motor structure, and relates to the technical field of motors. One end of the inner stator shaft is fixed on the motor rear end cover, the other end of the inner stator shaft is suspended, and the motor rear end cover is connected with the casing; the inner stator bracket is fixed on the inner stator shaft; the inner rotor iron core and the outer rotor iron core are respectively fixed on the inner ring and the outer ring of the magnetism isolating ring, and the two ends of the magnetism isolating ring are supported and fixed through the rotor front end cover and the rotor rear end cover; the double-row cylindrical roller bearing is radially arranged between the rotor rear end cover and the inner stator shaft; the cylindrical roller bearing is radially arranged between the rotor front end cover and the motor front end cover, and the motor front end cover is connected with the shell; the deep groove ball bearing is axially arranged between the rotor front end cover and the inner stator shaft; the outer stator iron core is pressed into the heated and expanded casing; and the inner stator iron core is thermally sleeved on the inner stator bracket. Through configuration and arrangement of the three bearings, oil injection and discharge positions are all located outside the motor, the working temperature of the bearings is effectively reduced, and the service life is prolonged.

A motor according to an aspect of the present invention includes a rotor rotatable around a center axis and a stator located on one side of the rotor in an axial direction. The stator includes a plurality of magnetic poles facing an end surface of the rotor on the one side in the axial direction. The rotor includes a rotor body having an annular shape and including at least one magnet, a rotor frame including a plurality of arms extending in a radial direction, and a first cover fixed to the rotor frame. The at least one magnet has, at least in part or in whole, a magnetization direction in the axial direction. The plurality of arms are located on the other side of the rotor body in the axial direction. The first cover is configured to cover at least part of a surface of the at least one magnet, the surface facing the one side in the axial direction.

The invention discloses a motor, a water pump and a vehicle, a stator assembly comprises a stator iron core, an insulation framework and a coil winding, the insulation framework is arranged on the stator iron core, and the coil winding is wound on the insulation framework; the plurality of connector terminals are arranged on the end face of the insulating framework in the axial direction of the stator core, each connector terminal is provided with an external connecting end, at least part of the connector terminals are wiring terminals, and the wiring terminals are electrically connected with the coil winding; the casing comprises a first part and a second part which are integrally formed, the first part wraps the stator assembly, the second part wraps the plurality of connector terminals and defines a plug-in groove, and the external connecting end is located in the plug-in groove. According to the motor provided by the invention, the coil winding can be directly and electrically connected with the external application end through the wiring terminal, so that the structure of the motor is simpler, the shell of the stator assembly and the shell of the connector are integrally formed, the assembly procedures of the motor are reduced, the assembly cost is reduced, and the production efficiency is improved.

The invention relates to a transverse magnetic circuit module complementary magnetic flux reverse motor, comprising: a stator assembly comprising a plurality of U-shaped stator cores arranged circumferentially, a front module permanent magnet, a rear module permanent magnet, a front module armature winding and a rear module armature winding; and the rotor assembly comprises a front rotor module and a rear rotor module which are axially distributed and have the same structure, rotor salient pole teeth are respectively arranged on the inner side surfaces of the front rotor module and the rear rotor module along the circumferential direction, and the rotor salient pole teeth on the front rotor module and the rotor salient pole teeth on the rear rotor module are arranged in a staggered manner along the circumferential angle. The electromagnetic torque density is remarkably improved through magnetic circuit topology optimization, more excellent power output characteristics are achieved, meanwhile, armature winding turn chain magnetic flux directions of the front module and the rear module are opposite, the phase difference is 180 deg electrical angle, magnetic linkages of the two modules are complementary, even harmonics of the magnetic linkages are counteracted after synthesis, in addition, the unique stator structure improves the air gap magnetic density of the motor, and the motor efficiency is improved. And the motor power density is improved, and the application and popularization value is extremely high.

The present disclosure relates to the field of generator manufacturing, and disclosed are a stator annular lead fixing structure and method for a large generator. The structure comprises a conical ring, stator annular leads, insulating pressing plates, and a hooping device; the outer circle surface of the conical ring is provided with arc-shaped grooves used for embedding the stator annular leads; the insulating pressing plates are pressed on the outer surfaces of the stator annular leads protruding out of the arc-shaped grooves; the hooping device comprises tightening strips and a tightener; the tightening strips are tied on the outer sides of the insulating pressing plates, and are tightened by means of the tightener to fix the stator annular leads. The method comprises: placing in a large conical ring groove a shape-adaptive material which is thick enough, impregnating the shape-adaptive material in medium-temperature curing epoxy glue, then mounting all annular leads in the large conical ring groove, and screwing steel tool screws into two ends of each of insulating pressing plates and tool holes of a large conical ring to temporarily fix the annular leads and the insulating pressing plates; and mounting a hooping device. The lead fixing structure of the present invention has large overall rigidity, high strength and good insulating properties, and effectively improves the reliability of fixing of annular leads.

A stator for an electric machine is disclosed. The state includes a stator body having a plurality of stator teeth arranged distributed circumferentially and stator grooves formed between the stator teeth and extending through the stator body in the axial direction, wherein electrical conductors of a stator winding are arranged in the stator grooves, the electrical conductors emerging from the end of the stator body at least so as to form an end winding and being able to be energized by means of an electrical contact-making element, wherein the stator body is formed from a plurality of layered stator sheets, and the stator body has a plurality of fluid channels through which a cooling fluid can flow and which extend through the stator body in the axial direction.

A sealed stator for an electric machine is disclosed herein. In at least one embodiment, the sealed stator includes a stator core, stator windings positioned on the stator core, and an end ring coupled to the stator core. The stator core includes a plurality of slots. The windings include a plurality of interconnected conductors extending through the plurality of slots in the stator core. The end ring includes a plurality of segments arranged circumferentially around the end ring, each of the plurality of segments comprising a pocket compartment defined between two radial ribs. Each pocket compartment includes a radially outward pocket floor and a radially inward opening through the end ring. The plurality of interconnected conductors further extend through the openings in the end ring.

An actuator for an air outlet of a motor vehicle, comprising a housing including an upper housing, a lower housing, and a cavity; a motor arranged vertically in the cavity, the motor comprising a stator assembly and a rotor assembly separable from the stator assembly, the rotor assembly including a rotary shaft, two mounting grooves being arranged at a position of the upper housing and the lower housing respectively corresponding to the upper and lower ends of the rotary shaft, the two ends of the rotary shaft and the two mounting grooves cooperating to support the rotary shaft.

An automotive electronic flow pump includes a rotating pump wheel, a pump housing, an axial-flux motor, a static separation wall, and a motor electronics. The pump wheel has an axial fluid inlet at a wheel upstream front side and a radial fluid outlet. The pump housing defines a pumping chamber and an electronics chamber. The axial-flux motor directly drives the pump wheel and is arranged within the pumping chamber. The axial-flux motor includes a motor stator having at least one stator coil, and a motor rotor arranged at a front side of the pump wheel which co-rotates with the pump wheel. The static separation wall is arranged at a backside of the pump wheel. The static separation wall fluidically separates the pumping chamber from the electronics chamber. The motor electronics is arranged in the electronics chamber and is directly electrically connected to the at least one stator coil.