409 results about "Motor unit" patented technology

The invention provides an axial magnetic flux motor driven RV speed reduction driving assembly which comprises an axial magnetic flux motor unit and an RV speed reducer unit which are connected, the axial magnetic flux motor unit and the RV speed reducer unit are integrated in a shell, the axial magnetic flux motor unit comprises a plurality of stators which are distributed in an annular mode, and the stators are connected with the axial magnetic flux motor unit. A stator is arranged on the rotor, a disc type rotor is arranged on each of the two sides of the stator, a plurality of torsion bars which are uniformly distributed in the circumferential direction are arranged on the rotor facing the side where the RV speed reducer unit is located, the torsion bars are connected with a sun gear of a planetary gear train of the RV speed reducer unit, and an output disc of the RV speed reducer unit is a power output end. The RV speed reduction driving assembly driven by the axial magnetic flux motor has the advantages of being large in starting torque, high in mechanical efficiency, compact in structure, high in overload capacity and the like.

A folding structure of a rearview mirror includes: a cover; a motor unit in the cover; and a shaft unit coupled to the motor unit. The shaft unit may receive a driving force from the motor unit and rotate the cover relative to the base. The shaft includes a check ring coupled to the cover, and the check ring supports a load generated when the cover moves up and down.

A construction system motor unit comprising a casing, an electrical motor mounted therein, a power outtake element having a connector, and being rotationally connected relative to said casing, a gearing mechanism provided between the electrical motor and the power outtake element, and a sensor to sense the position of the power outtake element relative to the casing, the sensor having a disc element and a sensor device, the disc element is connected to the power outtake element or to a gear of the gearing mechanism via a first rotation transfer part and a receptacle for receiving the first rotation transfer part, which receptacle is formed in the power outtake element or in said gear of the gear mechanism, and wherein the receptacle and the first rotation transfer part have cooperating shapes and sizes configured to allow a backlash between the power outtake element and the first rotation transfer part.

The invention discloses a heat dissipation system and method for a sealed motor, and belongs to the technical field of sealed motors and transmission devices. The system comprises a motor unit, a multistage gearbox unit, a liquid cooling unit, an air cooling unit, a plurality of groups of sensors and a controller. The liquid cooling unit is integrated in the motor outer cover, and the air cooling unit is installed on the motor radiating ribs. According to the method, the total heating power and the variable target temperature of the system are dynamically calculated by collecting the current, the temperature and the rotating speed of the motor and gear signals of the gear box in real time, the required heat dissipation power is calculated in real time through a nonlinear function based on the temperature difference, and then heat dissipation resources of the air cooling unit and the liquid cooling unit are cooperatively distributed with the optimal energy efficiency ratio. According to the invention, feedforward prediction temperature control of dynamic working conditions is realized, the problems of heat dissipation lag, low energy efficiency and overheating risk of the sealed motor under complex load and multi-gear operation are solved, and the reliability, adaptability and overall energy efficiency of the system are significantly improved.

The present invention provides a motor unit comprising: a motor; a plurality of gears that transmit the torque of the motor; a housing having a housing space for housing the motor and the plurality of gears; oil stored in an oil reservoir located in a region below the vertical direction of the housing space; and an oil passage that supplies oil from the oil reservoir to the motor and recycles it using the oil reservoir. The housing has a partition wall that divides the housing space into a motor chamber for housing the motor and a gear chamber for housing the plurality of gears. The partition wall has an opening that connects the gear chamber and the motor chamber. The bottom of the motor chamber is located above the bottom of the gear chamber. The oil reservoir is located in a region below the gear chamber. An electric pump is provided in the path of the oil passage, which connects the oil reservoir to the electric pump and the electric pump to the motor chamber.

The utility model belongs to the technical field of hydraulic transmission, and discloses a hydraulic power source, a hydraulic system and operating machinery, the hydraulic power source comprises a motor unit, a pump unit and a pressurizing unit, the pump unit and the pressurizing unit are coaxially arranged on an output shaft of the motor unit and are respectively in transmission connection with the output shaft, and the pump unit is provided with an oil suction port and an oil outlet. The pressurizing unit is provided with a pressurizing working cavity and a pressurizing inlet of the pressurizing working cavity, and the pressurizing working cavity is communicated with the oil suction port. According to the hydraulic power source, the pump unit and the pressurization unit are coaxially connected to the output shaft of the motor unit, and operation of the pump unit and pressurization at the oil suction opening can be achieved only through self power.

A power tool includes a trigger module, a motor unit, and a controller electrically connected to the trigger module and the motor unit. The controller stores parameter data that define a common control curve that represents a corresponding relationship between a reference pressed depth and a reference rotation speed. The controller obtains a pressing value from the trigger module, and outputs a control signal at least based on the common control curve and the pressing value to the motor unit. The common control curve has a low-speed curve segment and a high-speed curve segment. In a low speed mode, the controller outputs the control signal based on the low-speed curve segment. In a high speed mode, the controller outputs the control signal based on a high-speed control curve composed at least of the low-speed curve segment and the high-speed curve segment.

The invention provides a magnetic suspension integrated energy-saving refrigeration compressor, and relates to the technical field of refrigeration equipment, the magnetic suspension integrated energy-saving refrigeration compressor comprises a main body assembly, and the two ends of the main body assembly are in threaded connection with volute assemblies; the two volute assemblies are connected through a gas-liquid circulation assembly, a magnetic suspension motor unit is installed in the main body assembly, an impeller assembly is in driving connection with the interior of the magnetic suspension motor unit, and a magnetic suspension control module and a motor monitoring module are installed on the two side walls of the main body assembly respectively. Full magnetic suspension supporting is adopted, mechanical friction is avoided, energy is saved, consumption is reduced, the service life of a unit is prolonged, and operation noise is reduced. The integrated structure is matched with the sealing piece, gas and liquid leakage is prevented, gas circuit and system circulation is optimized, and the refrigeration energy efficiency is improved. The stable and efficient operation of the compressor is guaranteed through the wear resistance of the impeller and real-time monitoring and regulation of the intelligent module.

The present application relates to the technical field of disc type motor, and aims to provide a low energy consumption torque variable motor, which comprises a plurality of disc type motor units arranged along the same line and connected in series on the same output shaft, and the output torque of the output shaft is driven by selecting one or more disc type motor units to drive the output shaft. The present application can reduce energy consumption, meet the demand of large torque output and seamless switching, and the disc type design of the motor unit can reduce the weight and save the cost. The gap between the disc type motor units is also conducive to ventilation and cooling, which is beneficial to maintaining a better temperature condition of the whole machine.

The application discloses a motor driving control system, an electric driving joint and a control method thereof. The control system comprises a first control module and a second control unit. The first control module comprises a first control unit, a signal gating control unit and a motor unit connected in sequence. The first control unit is configured to generate a first control signal according to the operation feedback signal of the motor unit through a vector control algorithm. The second control unit is electrically connected with the signal gating control unit. The second control unit is configured to generate a second control signal according to the operation feedback signal of the motor unit through a reinforcement learning algorithm. The signal gating control unit is configured to select the first control signal or the second control signal as a target control signal to control the operation of the motor unit according to the operation feedback signal of the motor unit and the second control signal. The application can solve the problem that the electric driving joint cannot quickly and safely and reliably adapt to different humanoid robots and has poor adaptability.

The present invention addresses the problem of providing a motor unit and an electric bicycle which achieve weight reduction and which make it easy to dissipate heat generated by a motor. A motor unit (2) comprises a case (3), a motor (4), a rotation shaft unit (5), and a transmission mechanism (6). The motor (4) is accommodated in the case (3). The rotation shaft unit (5) penetrates the case (3), is rotatably disposed, and has a pedal connected thereto via a crank arm. The transmission mechanism (6) transmits, to the rotation shaft unit (5), force from the motor (4). The case (3) has a first case part (3a) which has disposed therein a rotor (41) and a stator (42), and a second case part (3b). The first case part (3a) is formed from a material which has higher thermal conductivity than that of the second case part (3b). The second case part (3b) is formed from a material which has a lower specific gravity than that of the first case part (3a).

To provide a motor unit having high motor efficiency.SOLUTION: A motor unit 100 used for an electric vehicle includes a substrate 150, a motor 110 having a connector 111a, and a connector 250a directly attached to the substrate 150. The terminal 111a and the connector 250a are connected to each other by inserting one into the other in a direction parallel to the rotation axis of the motor 110.SELECTED DRAWING: Figure 4

Inverting mechanism for a glass forming machine comprising at least one preform, with two mouth-holding arms (2, 3) which are adjustable between a closed position holding an opening area of ​​a cup formed in the at least one preform and an open position releasing this opening area, a central shaft (7) to which the mouth-holding arms (2, 3) are rotationally fixed and about whose central axis the mouth-holding arms (2, 3) can be pivoted from a first pivot position associated with the at least one preform to a second pivot position associated with the finished mold, and a drive device (19) with a motor unit (20) by means of which drive energy for pivoting the mouth-holding arms (2, 3) between their first and second pivot positions can be generated, characterized in thatthat the motor unit of the drive device (19) is designed as a rotary motor (20) with a stator element (25) and a rotor element (21), and that the rotor element (21) of the rotary motor (20) is axially and rotationally fixed to the central shaft (7) of the drive device (19) and the rotary motor (20) is arranged coaxially with respect to the central shaft (7) of the drive device (19).

The objective is to obtain a vehicle body structure that suppresses the residual deformation of components positioned in front of the motor unit in the longitudinal direction of the vehicle during a frontal collision, and that reduces the constraints on the size of the battery that can be mounted. [Solution] The vehicle body structure S includes a motor unit 30 to which power is supplied and which outputs driving force for driving; a skeletal member 11 which is integrally molded by die casting and forms the frame of the vehicle, is disposed on the rear side of the vehicle of the motor unit 30 and includes a support portion 28 that supports a part of the motor unit 30; a protruding portion 36 provided on the motor unit 30 and projecting toward the skeletal member 11 side; and a recess provided on the support portion 28, which is open toward the motor unit 30 side and into which the protruding portion 36 is fitted.

A motor unit and a motor controller are disclosed. The motor unit has a power supply, a diode, a capacitor, and a motor controller. The motor controller has a switching circuit and a control unit. The switching circuit has a first upper switch, a first lower switch, a second upper switch, and a second lower switch. The control unit is configured to turn on the first upper switch and the second lower switch and not to turn on the first lower switch and the second upper switch. The control unit is configured to not to turn on the first upper switch and the second lower switch when an input voltage is less than a first reference voltage. The motor controller can be used to avoid an overvoltage problem.

1. Name of the design product: motor unit for electric mower. 2. Use of the design product: installed on electric mower to provide power for the mower. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

This invention provides a novel structure for fastening the first terminal of a motor busbar to the second terminal of a terminal block. [Solution] The motor unit may include a motor having a stator coil, a motor busbar connected to the stator coil, a first terminal located at the tip of the motor busbar, a first guide member fixed to the first terminal and having a first guide surface, a second terminal to which the first terminal is fastened using bolts and which has a contact surface that contacts the first terminal, a terminal block holding the second terminal, and a second guide member fixed to the second terminal and having a second guide surface. The first and second guide surfaces are configured to contact each other when the first terminal approaches the second terminal from a direction parallel to the contact surface, and each may have a first profile that prevents contact between the first terminal and the second terminal at least at the timing when the first terminal and the second terminal begin to face each other.

A four-motor hub motor device with a WW wheel train is disclosed, comprising four motor units, each including a motor drive unit and a motor body unit. The motor shaft of the motor body unit is connected to the input end of a reduction system via an input gear. The output end of the reduction system is connected to the wheel hub, and the wheel hub is connected to the tire, realizing power output and transmission. The reduction system includes an internal gear ring meshing with the input gear. The internal gear ring is connected to a double planetary gear shaft via a double planetary gear shaft. One side of the double planetary gear meshes with a fixed-end sun gear, which is connected to the wheel hub shaft. The other side of the double planetary gear meshes with an output-end sun gear, which is connected to the wheel hub and supported on the wheel hub shaft by a bearing system, transmitting the motor power to the wheel hub. This invention, through the four-motor hub motor device with a WW wheel train, achieves multi-motor power distribution, offering advantages such as safety, reliability, high energy utilization, convenient heat dissipation, and compact structure.

The invention provides a power assembly and a vehicle with the power assembly, the power assembly comprises an integrated shell and a stator rotating mechanism, the integrated shell is internally provided with a containing cavity, the containing cavity is internally provided with a motor shaft, a first motor unit and a second motor unit, the first motor unit and the second motor unit are both arranged on the motor shaft, and the stator rotating mechanism is arranged in the containing cavity. The first motor unit and the second motor unit are arranged in the axial direction of the motor shaft in a spaced mode. The stator rotating mechanism is connected with a stator of the second motor unit, and the stator rotating mechanism is rotatably arranged relative to the side wall of the containing cavity so as to adjust the stator angle of the second motor unit. By designing the stator rotating mechanism, the circumferential angle of the stator of the second motor unit is adjusted, and noise and resonance of the motor are reduced.

An improved intravascular blood pump. Intravascular blood pumps using the present technology may be powered by an onboard motor unit configured to be located inside the patient's body, but which is separated from the pump unit by a flexible intermediate section housing a flexible drive shaft.

This disclosure relates to a centrifugal fan device (100), characterized in that the centrifugal fan device (100) includes: a housing module (1), which includes an air inlet channel defined by a housing circumferential wall (10) and an air outlet channel (12) perpendicular to the air inlet channel; and a fan module (2), which includes a bracket (20), a fan blade unit (21) arranged on the bracket (20) and a motor unit (22), wherein the fan module (2) is installed in the air inlet channel by a locking device.

The invention relates to the technical field of gear motors, in particular to an efficient heat dissipation worm gear and worm helical gear gear motor for light-load machinery, which comprises a box body, and the box body is provided with stepped holes for mounting a bearing and an end cover and outer surface reinforcing ribs for external heat dissipation; the motor unit is fixedly connected with the box body; and the composite transmission mechanism at least comprises a parallel shaft gear stage and a staggered shaft transmission pair. Compared with the prior art, the composite transmission of one-stage bevel gear and one-stage worm gear and worm is arranged, and the conical roller bearing, the output shaft deep groove ball bearing and the distance ring / elastic check ring which are arranged at the two ends of the worm shaft in a back-to-back mode are used for axial limiting; and a first metal adjusting pad and a second metal adjusting pad are matched to perform decoupling quantitative adjustment on the meshing backlash and the bearing pre-tightening amount, so that the effects of obtaining a large transmission ratio and smooth output in a compact volume, and giving consideration to both high axial rigidity and low noise are achieved.

An electrically powered vehicle (10), in particular an electric bicycle (12), with a frame (18) in which an electronic unit (32) and at least one drive wheel (20) spaced apart from the electronic unit (32) are accommodated, wherein a motor unit (30) with an electric motor (38) is provided in a hub (28) of the at least one drive wheel (20), which is electrically supplied with energy and / or controllable or regulated by the electronic unit (32) via a cable connection (40) for the purpose of driving the vehicle (10), characterized in that a tubular cable channel (78) is provided on the frame (18) between the motor unit (30) and the electronic unit (32) for the purpose of suppressing electromagnetic, in particular high-frequency, interference, which at least partially encloses the cable connection (40) and which galvanically connects a housing (80) of the electric motor (38) with a housing (82) of the electronic unit (32).

A motor control device, a motor control method, and a motor unit control a brushless motor including a rotor and three-phase armature coils, the motor control device including: a position detection section that detects a rotational position of the rotor; a control section (54) that outputs first or second drive signals to an inverter (52) in a first or second control mode with a current application timing corresponding to the rotational position of the rotor; and the inverter (52) that outputs first or second current application signals to the three-phase armature coils when the first or second drive signals are input, in the second control mode, a value of a duty cycle at which a voltage is applied simultaneously to any two phases of the three phases is greater than in the first control mode.

This invention discloses a multi-stage adjustable speed power shunt motor system and its control method, relating to the field of motor technology. The system includes at least two stages of motor units arranged sequentially along the axial or radial direction; the rotor of the first-stage motor unit serves as the total power output end; the rotor of the second-stage motor unit is driven by the stator of the previous-stage motor unit, driving the stator to rotate; except for the last stage, all other stators are rotatable structures. By controlling the rotation direction and speed of the rotors of the second-stage and subsequent motor units, the relative speed between the stator and rotor of the previous-stage motor unit is adjusted, achieving electromagnetic coupling and power shunt, thus changing the system's total output torque, speed, and back electromotive force. This invention has a compact structure, achieves optimized efficiency under all operating conditions, balances low-speed high torque and high-speed constant power operation, and optimizes both drive and power generation performance, making it suitable for electric vehicles, wind power generation, industrial transmission, and other fields.

A motor unit facilitates grounding of a circuit board outside a housing with a simple structure. The utility model relates to a motor unit, which is provided with a shell made of metal; the stator and the rotor are arranged in the shell; and a circuit board provided outside the housing and provided with a first terminal and an electronic component electrically connected to the first terminal, in which the first terminal is in contact with and electrically connected to the housing.

To suppress heat generation of a motor of an electromechanical brake booster mainly in a vehicle stop state.SOLUTION: An electromechanical brake booster 1 mounted on a vehicle includes: an input rod 20 coupled to a brake pedal BP; a control rod 30; a rod position sensor 40; a motor part 50; a rotation position sensor 60; a current sensor 70; and a control board 80 driving the motor part 50 by using information obtained from the respective sensors 40, 60, 70. Basic control controlling a rotary position of the motor part 50 as the control rod 30 is displaced, and current control controlling supply current for the motor part 50 on the basis of information of the current sensor 70 are performed simultaneously.SELECTED DRAWING: Figure 1

An electric compressor in which a through hole through which a terminal pin electrically connecting an inverter unit to a motor unit passes is formed in a partition wall, and the terminal pin is integrally injection-molded into the through hole together with a fixing unit, thereby sealing a gap between the terminal pin and a housing without a separate sealing member and an assembly member, and enabling modularization of the housing and the terminal pin.

This invention discloses a server liquid cooling pump, a liquid cooling system, and its usage method, relating to the field of liquid cooling pump technology. The invention includes a motor unit, a motor heat dissipation unit, a hydraulic coupling transmission unit, and a coolant pumping unit. The motor unit includes a motor housing, a housing cover, and three motor modules. The motor heat dissipation unit includes a heat-conducting capillary tube, a converging tube, and a return main pipe. The housing cover has a hydraulic coupling chamber, in which the hydraulic coupling transmission unit is installed. The coolant pumping unit includes a pumping assembly and a pumping cylinder, the pumping cylinder being installed on the front end of the housing cover. The liquid cooling system includes coolant piping and a server liquid cooling pump, which is used for server liquid cooling. This invention achieves heat transfer oil circulation and heat dissipation through different oil pressures within the chamber via the hydraulic coupling transmission unit, and ensures motor stability by switching motors. This solves the problems of existing liquid cooling pumps, such as motor malfunctions during prolonged operation and the inability to promptly cut off coolant supply lines in case of malfunctions.

The utility model relates to the technical field of stirring, disclose a kind of mixed stirrers for organic fertilizer raw materials, including silo, the lower side of silo is equipped with gate valve, speed reducer motor unit and base, the inside fixed mounting of silo is equipped with support cylinder, the output shaft rotation of speed reducer motor unit is installed in support cylinder, the output shaft upper end of speed reducer motor unit is fixedly installed with lower disc body, the circumferential side of lower disc body is fixedly installed with lower cantilever, the upper side of silo is fixedly installed with portal frame, the upper side of portal frame is fixedly installed with electric cylinder, the lower end of electric cylinder is rotatably installed with upper disc body by bearing seat, the circumferential side of upper disc body is fixedly installed with upper cantilever in alignment lower cantilever, transmission assembly is installed between the upper cantilever in alignment lower cantilever and upper cantilever, the lower side of transmission assembly is all equipped with material shifting plate.The utility model can promote the disturbance area of organic fertilizer raw materials by the reverse disturbance of material shifting plate and multi-track coverage, in addition, the swing amplitude of material shifting plate can be flexibly adjusted, so that raw material mixing is more uniform, and stirring efficiency is higher.