96results about "Dynamo-electric gears" patented technology

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.

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.

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 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 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.

A position of a magnetic pole piece (54a) in an axial direction is easily managed. A magnetic modulator (50) includes the magnetic pole piece (54a), an output shaft portion (51) and a bearing support ring (55) which are disposed in the axial direction of the magnetic pole piece (54a) to rotationally support the magnetic pole piece (54a), and a resin portion (56) that integrates the magnetic pole piece (54a), the output shaft portion (51), and the bearing support ring (55). At least one of both end surfaces (54c) in the axial direction of the magnetic pole piece (54a) is exposed. In this manner, an axial position of an end surface (54c) of the exposed magnetic pole piece (54a) can be directly measured.

A power transmission device is provided with 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 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 different position from the first output shaft and rotates by the driving force transmitted from the input shaft. The output shaft switching part is switched between a first output state and a second output state. The first output state restricts rotation of the second output shaft based on the driving force and allows rotation of the first output shaft based on the driving force. The second output state restricts rotation of the first output shaft based on the driving force and allows rotation of the second output shaft based on the driving force.

The present description relates to an electrical machine (21) comprising: a stator (19c) having an internal surface (190c) delimiting a cavity centered on an axis of rotation (X'') of the electrical machine; a plurality of first electromagnets (57) configured to generate a first magnetic field, the plurality of first electromagnets (57) being fixed to the stator (19c); a magnetic generation device (50) configured to generate a second magnetic field, the magnetic generation device (50) being fixed to the stator (19c); a magnetic excitation device (51); and a first shaft (19a) extending within the cavity along the axis of rotation (X''); and a second shaft (19b) extending within the cavity, along the axis of rotation (X''), being concentric with the first shaft (19a);in which one of the first and second shafts (19a, 19b) is configured to generate a third magnetic field, following excitation by the magnetic excitation device (51), the third magnetic field being synchronized with: the first magnetic field so as to implement an electromechanical conversion between a mechanical power from one of the first shafts (19a) and the second shaft (19b), and an electrical power from the plurality of first electromagnets (57); and the second magnetic field so as to transmit a torque between the first shaft (19a) and the second shaft (19b). Figure for the abstract: Figure 11b;

To provide turbofan engines configured to convert mechanical rotational energy from turbine-driven spool shafts into mechanical rotational energy in a fan via electromagnet forces.SOLUTION: The present disclosure provides a direct drive electrically-geared turbofan comprising: a first magnetic gearbox assembly 210A connected to a fan 150; a second magnetic gearbox assembly 210B connected to a spool shaft 160A of a turbofan engine; and a speed controller configured to adjust a rotational speed of the fan by selectively coupling and decoupling the magnetic gearbox assembly. The magnetic gearbox assemblies include a permanent magnet array, while including a rotor winding separated from the permanent magnet array by an air gap 230. The speed controller is configured to selectively couple and decouple the magnetic gearbox assemblies mutually by controlling a switch in a winding circuit with the rotor winding.SELECTED DRAWING: Figure 2C

The invention discloses a design and implementation method of a high-performance modular magnetic lead screw and the magnetic lead screw, and belongs to the technical field of magnetic transmission. The method comprises the following steps: discretizing a target spiral magnetic circuit, establishing a three-dimensional finite element model, and iteratively optimizing the number of blocks of an arc-shaped permanent magnet; prefabricated mounting holes are formed in the arc-shaped permanent magnet blocks, the rotor base body and the rotor base body respectively; a fine model containing fastener details is established, and the mechanical strength and electromagnetic performance of the fine model are simulated and verified; whether the internal operation space of the assembly meets the tool accessibility and maintenance requirements or not is evaluated, and different assembly processes are adopted for assembly and installation. The full-process closed-loop optimization and decision-making of the magnetic lead screw from design, simulation to assembly are realized, and the performance, the reliability and the maintainability of the product are remarkably improved.

The invention discloses a bidirectional magnetoelectric coupling transmission power axle which comprises a middle power input device and two magnetoelectric coupling transmission power devices which are symmetrically arranged on the two sides of the middle power input device and are of the same structure. The middle power input device comprises an axle main shell and a center power transmission gear rotationally installed in the axle main shell. The magnetoelectric coupling power transmission device comprises a transmission half shaft, the transmission half shaft is coaxially and fixedly connected to a wheel shaft of the central power transmission gear, and a conductive slip ring and a coupling coil inner rotor are coaxially fixed on the transmission half shaft at an interval and are in circuit connection; the outer side of the conductive slip ring is provided with an electric contact carbon brush, the outer side of the coupling coil inner rotor is sleeved with a coupling magnetic cylinder outer rotor, the coupling magnetic cylinder outer rotor is coaxially fixed with a coupling magnetic cylinder rotor shaft, and the output end of the coupling magnetic cylinder rotor shaft is connected with a planetary reducer. The structure is simple, a mechanical differential mechanism in an existing axle is replaced with the magnetoelectric coupling power transmission device, the rotating speed of the output shaft is controlled by controlling coupling current output, and low-resistance-consumption flexible turning of the vehicle is achieved.

To eliminate the need for a torque sensor.SOLUTION: A magnetic modulation gear device 30 includes an input shaft 23, an output shaft 32b that is shifted and output with respect to the input shaft 23 through a reduction gear unit, an input shaft-side sensor 35 that measures a rotation angle on the input shaft 23 side, and an output shaft-side sensor 36 that measures a rotation angle on the output shaft 32b side. For example, a drive device 1 includes the magnetic modulation gear device 30, a drive source 20 that inputs torque to the input shaft, and a control device 40 that controls the amount of operation of the drive source to achieve a target torque on the basis of the measured rotation angle of the input shaft side and the measured rotation angle of the output shaft side. The drive device 1 controls the torque on the output shaft side without using a torque sensor.SELECTED DRAWING: Figure 1

The utility model discloses a power assembly and a speed change device thereof, the speed change device comprises a gearbox and a speed change mechanism, and the speed change mechanism is at least partially located in the gearbox; the speed change mechanism comprises a driving magnetic wheel assembly and a driven magnetic wheel assembly which are located in the gearbox, the driving magnetic wheel assembly can be connected with the crankshaft and synchronously rotate along with the crankshaft, and the driving magnetic wheel assembly and the driven magnetic wheel assembly are distributed in the preset linear direction and have a gap. The driven magnetic wheel assembly is coupled with the driving magnetic wheel assembly and can rotate along with the driving magnetic wheel assembly. Through the arrangement, the driving magnetic wheel assembly and the driven magnetic wheel assembly can be in non-contact transmission, so that the service life of the speed change device is prolonged.

A modular drive unit (A1, A2, A3, A4, A5, A6, A7) for adjusting a rotary joint of a robot arm (100) has: a servo motor with a motor housing (1, 1.1, 1.2, 1.3) and a drive shaft (2); a strain wave gear (4.1, 4.2) coupled to the drive shaft; a holding brake (3) coupled to the drive shaft; a drive encoder (5.1) for detecting a position of the drive shaft; an output encoder (5.2) for detecting a position of an output (4) of the strain wave gear; a servo controller (6) signal-connected to the drive encoder and the output encoder; a load sensor (7); and a hollow shaft (8) for passing the cable axially through the drive unit. The invention also relates to a robot arm having the drive unit.

A drive device (2, 2') for adjusting a vehicle assembly comprises a drive motor (20) having a stator (201) and a rotor (203) rotatable relative to the stator (210) about a rotational axis (D), wherein the stator (201) has an arrangement of stator teeth (202) with coil windings (206) arranged thereon for generating a magnetic stator field and the rotor (203) has an arrangement of first magnetic elements (204), and a gearbox for transmitting a torque to an output element (270) for adjusting the vehicle assembly. A magnetic drive (29) for driving the transmission has a magnetic wheel (291) coaxial to the axis of rotation (D) with an arrangement of second magnetic elements (292), wherein the rotor (203) forms a drive wheel of the magnetic drive (29) such that a transmission ratio of the magnetic drive (29) is determined by the arrangement of first magnetic elements (204) and the arrangement of second magnetic elements (292).

A pole piece unit includes an annular unit, an inner cover disposed an inner circumferential surface of the annular unit, an inner plate disposed on an inner circumferential surface of the inner cover and disposed overlapping at least a coupling portion in an axial direction, an outer cover disposed on an outer circumferential surface of the annular unit, an outer plate disposed on an outer circumferential surface of the outer cover and disposed at least partially overlapping the inner plate in the axial direction, and a fastening member including a shaft portion disposed penetrating the outer plate, the outer cover, the coupling portion of the annular unit, the inner cover, and the inner plate in a radial direction of the annular unit.

The utility model relates to the technical field of hydraulic pump testing and energy recovery, in particular to a power recovery type hydraulic pump durability test board which comprises a base station. The testing mechanism comprises a first motor fixed on the base station, a first transmission shaft connected with the first motor, and a testing hydraulic pump connected with the other end; the energy recovery mechanism comprises a second motor fixed on the base station, a second transmission shaft connected with the second motor, and an energy recovery hydraulic pump connected with the other end of the second transmission shaft; a hydraulic pipeline is connected between the energy recovery hydraulic pump and the test hydraulic pump; the hydraulic station is respectively connected with the energy recovery hydraulic pump and the test hydraulic pump to circulate hydraulic oil; the electric energy recovery mechanism inputs electric energy to the first motor and recovers electric energy in the second motor. According to the utility model, the test hydraulic pump is tested through the test mechanism, and the electric energy input demand of the first motor is reduced through electric energy recovery in the test process of the energy recovery mechanism and the electric energy recovery mechanism, so that the energy consumption is effectively reduced.

The invention discloses a shaftless pump pushing device based on a swash plate type plunger pump, and relates to the technical field of piston pumps. A shaftless pump pushing device based on a swash plate type plunger pump comprises the swash plate type piston pump, a power module and a supercritical carbon dioxide power generation module, a water suction opening is formed in the lower portion of the swash plate type piston pump, a water drainage opening is formed in the rear portion of the swash plate type piston pump, and the supercritical carbon dioxide power generation module is connected to the front portion of the swash plate type piston pump. Through the unique structural design, the swash plate type piston pump and the supercritical carbon dioxide power generation module are organically combined, and efficient and stable energy conversion and transmission are achieved. According to the device, the hydrodynamic performance is effectively improved through the water absorption and drainage functions of the swash plate type piston pump, meanwhile, the energy utilization efficiency of the device is further improved through introduction of the supercritical carbon dioxide power generation module, and a new thought and direction are provided for technical development of related fields.