133results about "Dynamo-electric gears" patented technology

The invention provides a wind generating set, a differential speed regulation device and a control method thereof, the wind generating set comprises the differential speed regulation device, a multi-port converter and an electro-magnetic synchronous generator, and the differential speed regulation device comprises a permanent magnet motor, a differential planetary gear train, a quasi planetary gear train and a speed regulation motor. A permanent magnet motor rotor is connected with a differential planetary gear train planet carrier, and a speed regulating motor rotor is connected with a quasi planetary gear train sun gear. The differential planetary gear train sun gear drives the electro-magnetic synchronous generator rotor to operate at a first preset rotating speed. One port of the multi-port converter is connected with the permanent magnet motor stator, one port is connected with the speed regulation motor stator, and the other port is connected with the electro-magnetic synchronous generator rotor through the slip ring. According to the differential speed regulation device, variable-speed input, self-energized speed regulation and constant-speed output are achieved, and the differential speed regulation device is compact in overall structure, small in size and light in weight; the black start can be realized without taking power from a power grid; and the electro-magnetic synchronous generator is directly connected to the grid, so that the power grid supporting capacity is high.

The invention provides a novel magnetic driving device. The novel magnetic driving device comprises a box body, a reduction gearbox is arranged in the box body, a flywheel is arranged on one side of the reduction gearbox, a first transmission part is arranged on the surface of the reduction gearbox, and a generator is arranged in the box body. According to the novel magnetic driving device provided by the invention, the flywheel is electrically driven to rotate towards one side through the external motor, the reduction gearbox is matched with the first transmission part to drive the anti-potential crystal magnetic plate to rotate towards one side, one half of the anti-potential crystal magnetic plate has magnetism, and the other half of the anti-potential crystal magnetic plate has magnetism, so that when the anti-potential crystal magnetic plate rotates towards one side, the anti-potential crystal magnetic plate is driven to rotate towards one side. When the half of the magnetic part rotates to the position between the first magnet and the second magnet of the first group, the first magnet and the second magnet attract each other, and the first magnet and the second magnet of the other group repel each other, so that the two pistons move in the cylinder body, and then the second transmission part drives the generator to rotate to generate power.

Hydrokinetic fluid turbines utilize a flowing body of liquid to translate the kinetic energy of the fluid into electric power or other useful energy. The available kinetic energy is proportional to the squared fluid velocity in an open channel with a fixed cross-sectional area. The proposed twin turbine system coupled with a cycloidal magnetic gear exploits the hydrokinetic energy existing in open-channels.

This power transmission device includes: an input shaft (20); a first output shaft (40); a second output shaft (50); and an output shaft switching unit (25). The input shaft is rotated by the input of a driving force. The first output shaft is rotated by the driving force transmitted from the input shaft. The second output shaft is disposed at a position differing from the position of the first output shaft, and is rotated by the driving force transmitted from the input shaft. The output shaft switching unit switches between a first output state and a second output state. In the first output state, the rotation of the second output shaft by the driving force is restricted, and the rotation of the first output shaft by the driving force is allowed. In the second output state, the rotation of the first output shaft by the driving force is restricted, and the rotation of the second output shaft by the driving force is allowed.

The utility model discloses a clean type magnetic transmission device with good sealing performance, which belongs to the technical field of magnetic transmission, and aims to solve the problems that lubricating grease in a bearing is easy to leak when a supporting system is exposed in a medium environment, and scraps generated after friction of a shaft sleeve and bearing bush assembly are easy to contaminate materials, the clean type magnetic transmission device comprises a rack, an outer magnetic assembly is arranged on the inner wall of the rack, and the outer magnetic assembly is arranged on the inner wall of the rack. The bottom end of the outer magnetic assembly is fixedly connected with an outer magnetic rotor with an annular appearance, and an inner magnetic assembly is mounted in the rack; according to the utility model, through the matching of the oil seal, the O-shaped ring and the polytetrafluoroethylene filling ring, the bearing supporting structure in the equipment realizes full sealing, materials in the reaction kettle are prevented from being polluted, the collecting tank is used for collecting abrasion chippings generated in the friction process of the shaft sleeve and the bearing bush, the abrasion chippings are prevented from falling into the reaction kettle to pollute the materials, and the service life of the reaction kettle is prolonged. The problems that the bearing system is exposed in a medium environment, so that lubricating grease in the bearing leaks easily, and chippings generated after friction of the shaft sleeve and bearing bush assembly pollute materials easily are effectively solved.

This magnetic drive comprises a magnetic drive element (5) in which each of a multipole mechanism (4), a less-pole mechanism (2), and a pole piece (3) shares the function of one of a stator, a first rotor, and a second rotor. The positional relation of the magnetic poles is such that at least one of the multipole mechanism (4), the less-pole mechanism (2), and the pole piece (3) exhibits a phase difference (θ) between adjacent sections (5a, 5b, 5c) among a plurality of sections divided along the axial direction. At least one of the greatest common divisors of the number of poles of the multipole mechanism (4) and the pole piece (3) and the greatest common divisor of the number of poles of the less-pole mechanism (2) and the pole piece (3) is 1 or 2.

The present disclosure relates to an electromechanical apparatus (100) and to a transmission unit comprising the electro-mechanical apparatus (100) for changing motion parameters and to a vehicle comprising the transmission unit, the electro-mechanical apparatus (100) comprising a first rotating electromechanical ma-chine (110) comprising a first stator (112) and a first rotor (120), a second rotating electromechanical machine (130) having a smaller radial extension than the first rotating electromechanical machine (110) and comprising a second stator (132) and a second rotor (140), wherein the second rotating electromechanical ma-chine (130) is arranged radially within the first rotating electromechanical ma-chine (110) thereby forming an interleaving region (176) of the electromechanical apparatus (100), and wherein the first stator (112) and the second stator (132) are ironless, and wherein the first rotor (120) and the second rotor (140) are per-manent-magnet rotors or rotors comprising a winding for electrical excitation.

A magnetic modulator includes: a magnetic pole piece; a support portion disposed in an axial direction of the magnetic pole piece to rotationally support the magnetic pole piece; and a resin portion that integrates the magnetic pole piece and the support portion, in which at least one of both end surfaces of the magnetic pole piece in the axial direction is exposed.

The present invention discloses a water-cooled, sealed permanent magnet coupler. The permanent magnet coupler includes a housing, an input-side partition plate and an output-side partition plate disposed therein. The housing is separated by the input-side partition plate and the output-side partition plate into an input-side oil chamber, a rotating assembly water chamber, and an output-side oil chamber. An input shaft and an output shaft are axially mounted within the housing, a rotating assembly and a speed regulating assembly are sequentially disposed at the front end of the output shaft. An input-side sealing structure is disposed between the input-side partition plate and the rotating assembly, and an output-side sealing structure is disposed between the rotating assembly and the output-side partition plate. Even after wear and aging of the sealing rings, the present invention prevents oil-water cross-cavity leakage due to the design of the two labyrinth seal structures, thereby extending the service life of each bearing. Lubricating oil loss is also reduced, preventing the lubricating oil from deteriorating due to water ingress, and extending the overhaul period of the permanent magnet coupler.

The utility model provides a generator and a vehicle, the generator comprises a generator body, the generator body comprises a generator shell and a rotor shaft, and the generator shell is provided with heat dissipation holes; the heat dissipation fan is used for realizing ventilation of the heat dissipation holes and is arranged on the rotor shaft; the cleaning structure can perform a cleaning action to clean the heat dissipation holes; and the cleaning fan can be driven by wind power of the cooling fan to rotate so as to drive the cleaning structure, and the cleaning fan is connected with the cleaning structure. The cleaning structure is independently driven by the cleaning fan outside the generator body, the rotor shaft and the cleaning structure do not need to be connected, the rotor shaft cannot be broken due to eccentricity of the rotor shaft and the cleaning structure, and the situation that the rotor shaft is broken is reduced; in addition, wind power generated by rotation of the cooling fan enables the rotating speed of the cleaning fan to be small, power input abrasion between the cleaning fan and the cleaning structure can be reduced, the possibility that the cleaning structure loses the self-cleaning function due to the fact that the cleaning structure cannot rotate along with the cleaning fan is avoided, and then the cooling effect of the generator is guaranteed.

The present disclosure relates to a double rotor machine (DRM) for selective mechanical power transmission and / or electrical power generation in a vehicle driveline, typically comprising an input drive shaft, an input rotor, and an output rotor coupled to an output drive shaft. In a preferred variant, the double rotor machine comprises an input drive shaft for mechanically coupling the double rotor machine to an internal combustion engine, the input drive shaft extending axially into a housing of the double rotor machine. Typically, the input rotor is mechanically interconnected to the input drive shaft and is rotatably disposed inside the housing about a common axis of rotation. The output rotor is mechanically interconnected to an output drive shaft, rotatably disposed about a common axis of rotation, passing through the housing for mechanically coupling the double rotor machine to a consumer of mechanical power.

The application discloses a kind of permanent magnet coupler induction current self-regulating method and device and permanent magnet coupler for realizing soft start and overload torque limiting protection of equipment, and its features are that resistance is connected in series in two lead terminals of induction winding, the centrifugal force that centrifugal slider is received when being installed radially on inner rotor is different at different rotational speed of inner rotor, the resistance value of resistance connected in series in conductive loop including induction winding is automatically regulated, so that the induction current in conductive loop of induction winding is little changed under different induction electromotive force generated by induction winding under different working conditions of permanent magnet coupler, so that the transmission torque of permanent magnet coupler is automatically regulated, and it is changed in a very small range and tends to be constant, realizing soft start and overload torque limiting protection of equipment;The principle of the application is reliable, simple in structure, easy to realize, and can be widely applied to equipment such as belt conveyor, elevator and other equipment that need soft start, and various large inertia equipment such as ball mill, mixer, crusher and other equipment that need to improve starting performance.

The invention relates to the field of power generation, in particular to a magnetic transmission power generation device which comprises a support, a machine shell is arranged on the support, a protective cover is arranged at the end of the machine shell, a wind power mechanism is arranged on the protective cover, a power generation mechanism is arranged at one end of the wind power mechanism, and the power generation mechanism is used for generating power. A transmission mechanism is arranged on the power generation mechanism and is matched with the wind power mechanism; the power generation mechanism and the wind power mechanism are connected through a locking mechanism. Wind energy is converted into kinetic energy through the arranged power generation mechanism, and when the wind power mechanism rotates to drive the generator mechanism to rotate, the power generation mechanism generates power; kinetic energy generated by the wind power mechanism is transmitted to the power generation mechanism through the arranged transmission mechanism; when the wind power mechanism rotates and the rotating speed of the wind power mechanism is too high, the transmission mechanism is connected to the power generation mechanism, at the moment, the power generation mechanism can utilize kinetic energy to the maximum extent, and waste in the kinetic energy transmission process is reduced.

To provide an electromagnetic rotary magnetic flux machine which enables a higher power density.SOLUTION: A magnetic flux machine 10 includes: a plurality of coil assemblies; and a plurality of magnet sets that are in mutual close proximity and circularly about a center shaft 5. Any one of each coil assembly and each magnet set is supported by at least one shaft to be positioned with the center shaft. Any one of each coil assembly and each magnet set performs a rotational motion about the center shaft in the case where a current exists in each coil assembly. A magnetic flux of each magnet set is conducted in a shaft direction and a semi-radial direction, and a rotation of a machine is orthogonal to a magnetic flux direction. A plurality of magnets in each magnet set is supported by one or another of a plurality of coaxially aligned shafts so that the magnetic flux machine can operate as an electric motor, a power generator, or both at the same time.SELECTED DRAWING: Figure 1

A magnetic geared electrical machine includes: a stator; a magnetic pole piece rotor including a plurality of magnetic pole pieces disposed radially inward of the stator; an inner rotor including a plurality of rotor magnets, disposed radially inward of the plurality of magnetic pole pieces, and configured to rotate at a higher speed than the magnetic pole piece rotor; and a fan for cooling at least one of the stator, the magnetic pole piece rotor, or the inner rotor. The magnetic pole piece rotor further includes a power transmission shaft disposed on one side in an axial direction relative to the plurality of magnetic pole pieces, and configured to transmit rotational power to and from an external device. The fan is attached to the inner rotor on an opposite side to the power transmission shaft with the rotor magnet therebetween in the axial direction.

The utility model discloses a stable working active magnetic disk assembly, which comprises a disk body and a permanent magnet arranged on the disk body, and further comprises a bearing arranged at the rotation center of the disk body, the bearing comprises a first rotation part and a second rotation part which rotate relatively, the first rotation part is fixedly connected with the disk body, and the second rotation part is fixedly connected with the disk body. The second rotating part protrudes out of the disk body and forms the upper end face of the driving magnetic disk assembly. The driving magnetic disk assembly can bear relative rotation with the corresponding cup body or the driven magnetic disk through the bearing, and the distance between the driving magnetic disk assembly and the driven magnetic disk and the magnetic acting force are guaranteed. Correspondingly, the utility model further discloses a power assembly which comprises the motor and the driving magnetic disk assembly, and the driving magnetic disk assembly has the moving gap in the axial direction of the motor shaft. And the assembly error between the driving magnetic disk assembly and the driven magnetic disk is adjusted by utilizing the axial movement gap of the driving magnetic disk assembly, so that the distance and the magnetic acting force between the driving magnetic disk assembly and the driven magnetic disk are further ensured.

A space conveying system achieved through space coordinate point interchange is characterized in that two identical device systems are arranged at any two positions on the universe or the earth, a coordinate interchange area (1) is arranged in the center of each system, a plurality of magnetic conductive rings (2) are arranged outside the coordinate interchange area, the magnetic conductive rings are driven by a motor (3), and the motor (3) is driven by a motor (4). A magnetic field coil (4) is wound on the magnetic conducting ring, an electric brush (6) is arranged on a rotating shaft (5), connected with the motor, of the magnetic conducting ring, and high-frequency alternating current is introduced into the coil, so that the coil generates a variable magnetic field.

A magnetic drive device (100) comprises: a magnetic drive (20) having an inner magnet tube (23) which is a less-pole mechanism, an outer magnet tube (26) which is a multi-pole mechanism, and pole pieces (29) arranged circumferentially at equal intervals between them and positioned between the inner magnet tube (23) and the outer magnet tube (26), such that one of the inner magnet tube (23), the outer magnet tube (26) and one set of pole pieces (29) is used as a first rotor connected to an input region (21), another is used as a second rotor connected to an output region (22), and the remaining one is used as a stator, and a rotating electric machine (10) having a rotor (12) having permanent magnets (13) and a stator (15) having teeth (16).At least one of the following conditions is satisfied: a first value based on the least common multiple of the number of pole pieces (29) and the number of poles of one of the first and second rotors corresponds to the least common multiple of the number of poles of the rotor (12) and the number of teeth (16); and a second condition that the first value corresponds to a value obtained by multiplying the number of poles of the rotor (12) by a multiple of 3.

The disclosure relates to a double rotor machine (DRM) for selective transmission of mechanical power and / or generation of electrical power in a drive train of a vehicle typically comprises an input drive shaft, an input rotor and an output rotor coupled to an output drive shaft. In a preferred variation, the double rotor machine comprises the input drive shaft for mechanically coupling the double rotor machine to an internal combustion engine, said input drive shaft extending in an axial direction into a housing of the double rotor machine. Typically, the input rotor is me chanically interconnected to the input drive shaft and is arranged inside the housing rotatable about a common axis of rotation. The output rotor being arranged rotatable about the common axis of rotation and being mechanically interconnected to the output drive shaft passing through the housing for mechanically coupling the double rotor machine to a consumer of mechanical power.

The disclosure relates to a double rotor machine (DRM) for selective transmission of mechanical power and / or generation of electrical power in a drive train of a vehicle typically comprises an input drive shaft, an input rotor and an output rotor coupled to an output drive shaft. In a preferred variation, the double rotor machine comprises the input drive shaft for mechanically coupling the double rotor machine to an internal combustion engine, said input drive shaft extending in an axial direction into a housing of the double rotor machine. Typically, the input rotor is mechanically interconnected to the input drive shaft and is arranged inside the housing rotatable about a common axis of rotation. The output rotor being arranged rotatable about the common axis of rotation and being mechanically interconnected to the output drive shaft passing through the housing for mechanically coupling the double rotor machine to a consumer of mechanical power.

The present invention discloses a magnetic drive linear-rotary transmission mechanism, which includes a base, a linear moving member and a rotary member. The linear moving member includes a linear guide rod and a first permanent magnet mounting member arranged on the outer periphery of the linear guide rod, and a first permanent magnet arranged in a spiral pattern is provided on the first permanent magnet mounting member; the rotary member includes a second permanent magnet mounting member sleeved on the outer periphery of the linear guide rod, and a second permanent magnet arranged in a spiral pattern is provided on the second permanent magnet mounting member; at least one of the first permanent magnet mounting member and the second permanent magnet mounting member is set as a variable lift unit, and the lift of the spiral permanent magnet can be changed by adjusting the position of the permanent magnet mounting member, thereby changing the rotation speed of the rotary member, so that the magnetic drive linear-rotary transmission mechanism can adapt to the linear-rotary transmission under different external loads by adjusting the structural parameters (i.e., the spiral lift of the spiral-arranged permanent magnets), and solves the problem that the structural parameters of the existing linear-rotary conversion mechanism cannot be adjusted.

The application discloses a kind of adjustable blade vertical axis ocean current energy conversion module and ocean current energy generating device, adjustable blade vertical axis ocean current energy conversion module is symmetrically set with the array of double adjustable blade vertical axis water turbine of guide vane, can realize the improvement of ocean current energy conversion efficiency, adjustable blade vertical axis ocean current energy conversion module is connected with flow velocity self-adapting power generation module and is installed in floating intelligent regulating platform to form ocean current energy generating device, axial flux permanent magnet synchronous generator is matched with electronic unit control system to form flow velocity self-adapting power generation module, so that the device generates electricity stably, the direction adjusting mechanism loaded by floating intelligent regulating platform can meet the direction change demand of adjustable blade vertical axis ocean current energy conversion module.The application solves the problems of low energy conversion efficiency and unstable power generation of existing ocean current energy generating device, realizes the improvement of ocean current energy conversion efficiency and power generation quality, and enhances the survivability of device.

The present disclosure provides a direct drive electric variable speed turbofan comprising: a first magnetic gearbox assembly connected to a fan of a turbofan engine; a second magnetic gearbox assembly connected to a spool of the turbofan engine; and a speed controller configured to adjust a rotational speed of the fan based on a rotational speed of the spool by selectively coupling and decoupling the first magnetic gearbox assembly with the second magnetic gearbox assembly. In various aspects, the first magnetic gearbox assembly or the second magnetic gearbox assembly comprises a permanent magnet array, while a different one of the first magnetic gearbox assembly or the second magnetic gearbox assembly comprises a rotor winding separated from the permanent magnet array by an air gap; and the speed controller is configured to selectively couple and decouple the first magnetic gearbox assembly and the second magnetic gearbox assembly with each other via control of switches in a winding circuit having the rotor winding.

The disclosure relates to a double rotor machine (DRM) for selective transmission of mechanical power and / or generation of electrical power in a drive train of a vehicle typically comprises an input drive shaft, an input rotor and an output rotor coupled to an output drive shaft. In a preferred variation, the double rotor machine comprises the input drive shaft for mechanically coupling the double rotor machine to an internal combustion engine, said input drive shaft extending in an axial direction into a housing of the double rotor machine. Typically, the input rotor is me chanically interconnected to the input drive shaft and is arranged inside the housing rotatable about a common axis of rotation. The output rotor being arranged rotatable about the common axis of rotation and being mechanically interconnected to the output drive shaft passing through the housing for mechanically coupling the double rotor machine to a consumer of mechanical power.

The invention discloses an integrated skid-mounted structure permanent magnet flexible non-contact energy-saving speed regulation water pump system, and relates to the technical field of speed regulation equipment. A high-power motor with a driving function is fixedly mounted on a left side plate body of the fixing frame through bolts; by means of deep integration of embedded control, magnetic field coupling and mechanical transmission, efficient, intelligent and reliable non-contact power transmission and speed regulation are achieved, the output torque and the rotating speed are flexibly adjusted through a star wheel piece, an air gap is accurately controlled through a linear execution mechanism, and the power transmission efficiency is improved. The magnetic field coupling effect between the permanent magnet rotor and the conductor rotor is optimized, torque is transmitted in a non-contact mode, the output speed is adjusted, the integrated water pump flow, the water pump pressure and the slip monitoring system feed back the operation state in real time, closed-loop control over an air gap is achieved through a PID algorithm, the transmission efficiency and the system stability are guaranteed, and the reliability of the system is improved. And intelligent online diagnosis of potential faults can be realized.

The present disclosure relates to a double rotor machine (DRM) for selective mechanical power transmission and / or electrical power generation in a vehicle driveline, typically comprising an input drive shaft, an input rotor, and an output rotor coupled to an output drive shaft. In a preferred variant, the double rotor machine comprises an input drive shaft for mechanically coupling the double rotor machine to an internal combustion engine, the input drive shaft extending axially into a housing of the double rotor machine. Typically, the input rotor is mechanically interconnected to the input drive shaft and is rotatably disposed inside the housing about a common axis of rotation. The output rotor is mechanically interconnected to an output drive shaft, rotatably disposed about a common axis of rotation, passing through the housing for mechanically coupling the double rotor machine to a consumer of mechanical power.

The invention discloses a transmission mechanism, a power generation device and application thereof. The invention relates to the technical field of electric power engineering. According to the design of the transmission mechanism, a self-rotating assembly and a starting assembly are integrated, and unique energy conversion and self-continuous rotating functions are achieved. The machine frame 201 serves as a supporting structure of the whole spinning assembly and stably bears the rotating counter-potential crystal magnetic separation disc 203. The counter-potential crystal magnetic separation disc 203 is a core part of the mechanism, and the counter-potential crystal magnetic separation disc 203 can start to rotate after receiving external rotating force (provided by the starting assembly 3) due to the special design of the counter-potential crystal magnetic separation disc 203; efficient conversion and transmission of mechanical energy can be achieved through a transmission mechanism (such as a synchronous belt assembly and a crank connecting rod assembly). The transmission mechanisms not only reduce energy loss, but also improve the stability and reliability of the system. The generator is tightly connected with the transmission mechanism, so that mechanical energy can be converted into electric energy to the maximum extent, and the power generation efficiency is improved.

The application relates to a transmission device which comprises a motor and a speed reducer and further comprises a magnetic coupler connecting the motor and the speed reducer; the magnetic coupler comprises a driving cylinder and a driven cylinder; the driving cylinder comprises a bearing cylinder, a heat dissipation assembly and a first magnet; the heat dissipation assembly comprises a mounting hole, a heat dissipation piece and a driving ring; the inner wall of the bearing cylinder is provided with the mounting hole; the mounting hole is provided with the heat dissipation piece; the heat dissipation piece comprises a fixed plate, a movable plate, a first screw rod and a gas guide pipe; the right side of the bearing cylinder is fixedly connected with a first connecting ring; the bearing cylinder is provided with the first magnet which is opposite to the mounting hole and is connected with the inner ring of the first connecting ring at the right end; the first magnet is in contact with the bearing cylinder through a convex ridge; the left part of the driven cylinder extends into the bearing cylinder and is connected with a second magnet which is opposite to the first magnet inside and outside. The application solves the problem that the high temperature generated by the coupler on the belt conveyor transmission device can affect the magnetism of the magnet.

The present disclosure relates to electromagnetically-controlled magnetic cycloidal gear assemblies configured to achieve enhanced torque capacity, and methods of operating same. In one example embodiment, a method includes sensing a position of a cycloid relative to a stator, where the stator includes a plurality of electromagnets, and the cycloid includes a plurality of permanent magnets. Also, the method includes determining respective torque characteristics concerning the respective electromagnets based upon the sensed position, where the respective torque characteristic that is determined concerning each respective one of the electromagnets is indicative of a respective relative position of the respective electromagnet in relation to a respective closest one of the permanent magnets. The method additionally includes outputting from a controller, for receipt respectively at least indirectly by the respective electromagnets or respective control devices coupled thereto, a plurality of output signals respectively based at least in part upon the respective torque characteristics.