2665results about "Windings" patented technology

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.

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.

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 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.

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 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 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.

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 rotor for an electrical machine is described, wherein the rotor comprises an axially extending rotor shaft and a rotor body with a plurality of rotor slots, each extending axially from the first end face to the opposite second end face of the rotor body. The rotor further comprises electrically conductive windings arranged in the rotor slots, each forming a winding head on the first and second end faces of the rotor body, and a first support ring covering the winding head arranged on the first end face of the rotor body in the axial direction and in the radial direction, wherein the first support ring is made at least partially of stainless steel.

The invention relates to a novel parallel pole-arc-changing hybrid excitation brushless synchronous generator, which comprises a first magnetic circuit, a second magnetic circuit and a third magnetic circuit, the first magnetic circuit is formed by an original stator permanent magnet rotor of the motor; corresponding hybrid excitation rotors are arranged on the left and right outer sides of the stator, and a second magnetic circuit is formed between the hybrid excitation rotors and the iron core of the stator; an excitation winding is further arranged on the outer side of the corresponding hybrid excitation rotor, and the excitation winding enables common teeth of the hybrid excitation rotor to be magnetized into different polarities, so that a third magnetic circuit for increasing or weakening magnetism is formed. The motor has the beneficial effects of wide rotating speed adjusting range, high power density and high efficiency.

An electric pump comprises a stator assembly, the stator assembly comprises a stator core and a winding, the winding comprises a main body section, a first section and a second section, the main body section connects the first section and the second section; the stator core comprises a core tooth part, a core yoke part and a core neck part, the core yoke part is located at the outer periphery of the winding; a first reference plane is defined, the first reference plane coincides with the axial center axis of the core tooth part and the axial center axis of the core neck part, a section of the stator assembly is made along the first reference plane, the upper end of the section of the main body section is flush with the upper end of the section of the core yoke part body part, the lower end of the section of the main body section is flush with the lower end of the section of the core yoke part body part; the electric pump further comprises a shielding piece, the material of the shielding piece is a conductive metal material, at least part of the shielding piece is located at the outer periphery of at least one of the first section and the second section; thus it is beneficial to reduce the electromagnetic waves radiated to the outside, thereby it is beneficial to reduce the interference of the electric pump to the outside.

Disclosed are an electric-motor stator cooling structure and an electric motor. The electric-motor stator cooling structure includes a first sealing oil cover and a second sealing oil cover. The first sealing oil cover is provided with an oil intake hole; the second sealing oil cover is provided with an oil output hole; the first sealing oil cover and the second sealing oil cover are respectively used for covering two opposite ends of a stator winding, such that the first sealing oil cover and one end face of a stator core enclose a first cavity structure, which is in communication with the oil intake hole, and the second sealing oil cover and the other end face of the stator core enclose a second cavity structure, which is in communication with the oil output hole; and a cooling-oil channel is provided inside the stator core.

A stator device for an electric machine includes a stator, having a stator core with a longitudinal axis, a first end face and a second end face which is situated axially opposite the first end face with respect to the longitudinal axis, and having a stator winding which forms a winding head on the first end face and has a plurality of connection portions extending beyond the winding head. The isolating body has a plurality of holding elements, which protrude from the base portion on the second side and are designed to hold the isolating body radially on the winding head.

The application provides a power assembly with reducer side wire outlet, a double-motor power assembly and an electric vehicle. The power assembly comprises an intermediate integrated shell, a resolver sensor, a motor and a reducer. The intermediate integrated shell comprises a partition plate and two circumferential shells. One circumferential shell is used for fixing a motor stator of the motor and accommodating a motor rotor of the motor, and comprises at least one through hole. The other circumferential shell is used for accommodating a gear set of the reducer. The partition plate is used for separating the inner cavities of the two circumferential shells. The partition plate comprises a shaft hole and at least one wire outlet hole. The shaft hole and the at least one wire outlet hole are used for connecting the inner cavities of the two circumferential shells. The shaft hole is coaxially arranged with an input shaft of the reducer or a motor shaft of the motor. The distance between the at least one wire outlet hole and the center point of the shaft hole is greater than the inner diameter of a resolver stator of the resolver sensor. The power assembly provided by the application has a smaller axial dimension.

The utility model relates to a motor rotor voltage-sharing structure, which comprises a rotating shaft, the outer surface of the rotating shaft is sleeved with a commutator and a rotor core, the peripheral side, facing the rotor core, of the commutator is uniformly provided with a plurality of hooks and tail hooks at equal intervals, the hooks and the tail hooks are arranged in one-to-one correspondence, and the hooks and the corresponding tail hooks are arranged oppositely. Each group of the starting hooks and the tail hooks are connected through the voltage equalizing wires, and the starting hooks and the tail hooks which are oppositely arranged are connected and conducted through the voltage equalizing wires in a winding manner, so that the relative positions of the commutator are equipotential, the current is more uniformly distributed in each branch, and the voltage stability during the operation of the motor is kept. The method has the effect of improving the operation stability of the motor.

Provided a stepper motor, includes a shell, a stator assembly, and a stator assemblies. The rotor assembly includes a rotary shaft and a steel magnet. The stator assemblies are sleeved to the rotor assembly and arranged in an axial direction of the rotary shaft. Each stator assembly includes a housing, a fixation claw pole, and a winding. The housing includes a housing body fixed to the shell, and an inclined structure portion formed by localized depression of an outer periphery of the housing body toward the rotor assembly. A circuit board is affixed to the housing body, an orthographic projection of the circuit board toward the rotor assembly at least partially falls into a confine of the inclined structure portion, the inclined structure portion is provided with an avoidance hole, and a lead of the winding extends out via the avoidance hole and is electrically connected to the circuit board.

The invention discloses an axial magnetic flux motor which comprises a motor shaft, the motor shaft is fixedly sleeved with a rotor, the two axial sides of the rotor are provided with an upper stator and a lower stator respectively, and the motor shaft is sleeved with the upper stator and the lower stator; according to the axial magnetic flux motor, the upper stator and the lower stator are arranged on the two axial sides of the rotor respectively, the axial magnetic fields are generated through the two stators to drive the rotor to rotate, the power density of the motor is larger, the size is smaller, the weight is lighter, and the amount of used copper is smaller.

The utility model discloses a lead assembly and a motor using the same. The lead assembly comprises a terminal connecting piece, a terminal piece suitable for being fixed in the terminal connecting piece, and a plurality of leads suitable for being pressed in the terminal piece. The terminal connecting piece at least comprises a body piece and a plurality of accommodating cavities arranged in the body piece; the terminal piece comprises a main body part, and a pair of combination parts and at least one pair of puncture parts which are respectively connected with the main body part; each pair of puncturing parts comprises two puncturing plates which are distributed side by side at an interval, and the two puncturing plates form an open slot suitable for accommodating one lead; the inner wall of the containing cavity is provided with a guide groove matched with each puncturing plate. At least one anti-falling structure in concave-convex interference fit is formed between the side wall, back on to the open groove, of each puncture plate and the guide groove. Each anti-falling structure comprises a convex hook pre-arranged on the puncturing plate and a groove formed by the guide groove due to extrusion deformation of the convex hook; the convex hook comprises a press-in wall, a connecting wall and an anti-falling wall which are sequentially distributed in the direction from the groove bottom of the guide groove to the groove opening.

Provided is a motor that is able to properly detect a temperature of a high-temperature position of a wire coil and can be assembled easily.A motor 1 includes: a stator 3; a rotor 2, rotatably installed; an insulator 11, installed to the stator 3, and having a cylindrical shape which exhibits an insulating property and in which wire winding parts 11d are arranged in a peripheral direction; wire coils 12, formed by winding wires 12a about the respective wire winding parts 11d of the insulator 11; and a temperature detection sensor 13, detecting a temperature of the wire coil 12. An opening part 15e for bringing the temperature detection sensor 13 into contact with the wire coil 12 is provided on an outer peripheral side of at least one wire winding part 11d. The opening part 15e is formed along a lamination direction of the wire coil 12.

To suppress noise generated from an electric work machine.SOLUTION: An electric work machine includes a motor including a stator including a stator core and a coil attached to the stator core, and a rotor including a rotor core and a rotor shaft fixed to the rotor core, an output portion that is placed in front of the motor and rotates by the rotational force of the motor, a first support member having a first contact surface that contacts the front end surface of the stator core, a second support member having a second contact surface that contacts the rear end surface of the stator core, and a screw connecting the first support member and the second support member such that the stator core is tightened from the front and rear directions by the first support member and the second support member.SELECTED DRAWING: Figure 8

The invention discloses a secondary wiring structure and wiring method of an industrial motor, and relates to the technical field of motor wiring, the secondary wiring structure comprises a base, a junction box, a wiring board, a transition copper bar, a first wiring terminal and a second wiring terminal; a stator iron core is fixedly arranged on the inner wall of the machine base, and winding coils are symmetrically arranged at the two ends of the stator iron core; an end cover is fixedly arranged at the side part of the base, the junction box is connected and fixed on the end cover, an opening is formed in the connecting position of the junction box and the end cover, the wiring board is fixedly arranged in the opening, and the inner end and the outer end of the wiring board are respectively arranged in the base and the junction box; according to the scheme, the short lead design is adopted, the situation that a long lead motor cannot be bent into the stator core after being assembled through high-temperature shrinkage fit is avoided, stator seam allowance turning can be smoothly completed, and deformation of an aluminum machine shell seam allowance is prevented; and meanwhile, the whole machine assembly positioning precision is guaranteed, rotor eccentricity is avoided, and therefore the risks of abnormal vibration, noise and chamber sweeping are reduced.

The invention relates to a rotor (10) for an electrical machine, in particular a traction machine of a motor vehicle, having a rotor base body (14), at least one star disk (18) arranged on the end face of the rotor base body (14) and around which a cable (22) is wound, whereby a winding head (24) is formed on the end face of the rotor base body (14), a support ring (28) which bears against the outside of the star disk (18), radially encloses the star disk (18) and the winding head (24) and is designed to radially outwardly support the winding head (24) and the star disk (18) with respect to centrifugal forces acting during operation, and a cover (30) which is formed separately from the support ring (28), which covers the winding head (24) outwardly in the axial direction (A) towards a side of the winding head (24) facing away from the rotor base body (14) and which comprises aluminum.

The utility model discloses a direct cooling oil cooling motor, which belongs to the technical field of motor cooling and comprises a base, a stator, two end covers, a rotor and a sealing element, the rotor is arranged in an inner cavity of the motor, and the stator is arranged in an outer cavity of the motor. The stator comprises a stator iron core and a plurality of windings, stator yoke oil passing holes penetrate through the portions, opposite to the windings, of the yoke portion of the stator iron core, stator tooth oil passing holes penetrate through the tooth portions of the stator iron core, and at least one stator groove oil passing hole penetrating through the windings is formed in a stator groove of the stator iron core. Cooling oil is in direct or indirect contact with a heat source (winding) through a plurality of oil passing holes distributed in the yoke part, the tooth part and the groove part on the stator iron core, so that the thermal resistance between the heat source and a cooling medium is remarkably reduced, the heat transfer efficiency is improved, the heat of the winding and the stator iron core can be taken away more quickly, and the temperature rise of the motor is effectively controlled.

The invention relates to a coreless motor for an electric tool and a manufacturing method. According to the coreless motor for the electric tool and the manufacturing method, the split type stator iron core is adopted, so that the assembling process can be greatly simplified, the power performance of the motor is remarkably improved by shaping and stacking the coils, pressing the coils into the stator and filling and sealing the coils, the winding thickness and the coil density are greatly increased, and the power performance of the motor is improved. Therefore, higher torque output and power density are obtained, and meanwhile, the inherent high rotating speed characteristic of the coreless motor is kept; and secondly, the split type structure breaks through the limitation of a traditional overlapping winding process, the original complex winding and shaping process becomes simple and controllable through a modular assembly mode, and the production efficiency and the product consistency are greatly improved.

The present disclosure provides an electromagnetic coil, comprising a stator assembly, a wire connecting part, and a wire assembly. The stator assembly comprises a winding, a contact pin, a stator housing, and an encapsulation structure, the winding is arranged in the stator housing, and at least part of the winding and at least part of the contact pin are wrapped by the encapsulation structure; the wire connecting part is connected to the stator assembly and is suitable for accommodating the contact pin, and a mounting slot is formed in the wire connecting part; and the wire assembly comprises a wire and a sealing rubber sleeve, the wire has a connecting end part, the connecting end part is mounted in the mounting slot and is connected to the stator assembly by means of the contact pin, the sealing rubber sleeve sleeves the periphery of the connecting end part and is in sealing fit with the mounting slot, a through hole for the wire to pass through is formed in the sealing rubber sleeve, and the wire is in sealing fit with the through hole. The present disclosure further provides an electronic valve, which comprises the electromagnetic coil.

A sealing arrangement for passing electrical connections through a wall of a casing of a device for driving a compressor, formed as an electric motor with a stator and a rotor. The sealing arrangement has a connection arrangement with a holding element and at least one electrically conductive connecting element, which protrudes through a feedthrough hole of the casing from a volume enclosed by the casing. The connection arrangement has a sealing element in each case with a sealing sleeve for a connecting element, which, in an area of the feedthrough hole of the casing and a through hole of the holding element, full-circumferentially enclosing the connecting element, abuts in each case on the connecting element and on the casing and on the holding element in a fluid-tight and electrically insulating manner between the connecting element and the casing, and between the connecting element and the holding element.

The utility model discloses a rotor assembly, a motor and a household electrical appliance, the rotor assembly comprises an inner iron core, an outer iron core, a plurality of magnetic shoes and a plastic-coated body, the outer iron core is provided with at least one first through hole, and at least one end of the outer iron core protrudes out of the end portion of the inner iron core; the plurality of magnetic shoes are mounted on the outer peripheral wall of the outer iron core; the plastic-coated body comprises a first wall body, a second wall body and a third wall body, the first wall body covers the end face of the outer iron core and is provided with a second through hole, the inner peripheral wall of the second through hole is arranged along the periphery of the first through hole, and the second wall body covers the end face of the inner iron core; the third wall body covers the inner peripheral wall of the structure, protruding out of the inner iron core, in the outer iron core and is connected with the first wall body and the second wall body, at least one groove is formed in the connecting position of the first wall body and the third wall body, and the groove is located in the side, close to the inner iron core in the radial direction of the rotor assembly, of the first through hole. The rotor assembly of the utility model can reduce the weld lines of the plastic-coated body, enhance the structural strength of the plastic-coated body, and reduce the occurrence of cracking phenomena.

A motor includes a stator core, a coil portion, and a circuit board in a lidded cylindrical cover and covered with a covering portion that fills an inside of the cover. A guide portion of the cover is at an end portion of a board accommodation portion that surrounds and accommodates the circuit board. The guide portion accommodates and guides a lead wire to an outside in a radial direction. An end portion on an inside in the radial direction of a side wall portion is connected to the end portion on the one side in the axial direction of the board accommodation portion. An end portion on the one side in the axial direction of the side wall portion is farther to the one side in the axial direction than the end portion on the one side in the axial direction of the board accommodation portion.