542results about "Magnetically actuated clutches" patented technology

The utility model discloses an electromagnetic clutch, a transmission device and a vehicle, and the electromagnetic clutch comprises a transmission shaft which comprises a shaft body and a plurality of first splines arranged on the peripheral surface of the shaft body; the gear switching piece comprises a sliding sleeve and a plurality of second splines arranged on the inner circumferential surface of the sliding sleeve, the transmission shaft penetrates through the sliding sleeve, and the second splines are in sliding fit with the first splines in the axial direction; the excitation mechanism is used for driving the gear switching piece to move in the axial direction of the transmission shaft so as to be switched among different gears; the reset mechanism comprises two sets of reset assemblies arranged on the two opposite sides, in the axial direction of the transmission shaft, of the second spline, and the reset assemblies are used for driving the second spline to move in the direction of the other set of reset assemblies. According to the electromagnetic clutch, the overall structure is simple and compact.

A method of controlling an actuator for a drivetrain disconnect assembly includes actuating a solenoid to achieve multiple phases of movement, where the movement may be controlled differently in the different phases. The method includes actuating a solenoid of an actuator to drive a first clutch member along an axis and relative to a second clutch member between a first position, a second position, a third position and a fourth position. Movement of the first clutch member between the second position and the third position is at a faster rate than is the movement of the first clutch member: a) between the first position and the second position; and b) between the third position and the fourth position.

The utility model discloses an electromagnetic clutch, a transmission device and a vehicle. The gear switching piece is arranged on the transmission shaft in a sliding mode in the axial direction of the transmission shaft and rotates synchronously with the transmission shaft; the excitation mechanism comprises two excitation parts which are arranged at intervals in the axial direction of the transmission shaft, the gear switching part comprises an electromagnetic induction part located between the two excitation parts, and the excitation parts are used for driving the electromagnetic induction part to move in the axial direction of the transmission shaft so as to drive the gear switching part to be switched between different gears. According to the electromagnetic clutch, the two excitation pieces can share the same electromagnetic induction part to drive the gear switching piece to move in the two opposite directions in the axial direction of the transmission shaft, that is, only one electromagnetic induction part needs to be arranged on the gear switching piece, and the electromagnetic induction part is arranged on the gear switching piece. Therefore, the structure of the gear switching piece can be simplified, the cost of the gear switching piece is reduced, and the electromagnetic clutch is simple in structure and low in production cost.

The utility model discloses an electromagnetic double clutch type power mechanism, which comprises a motor and an electromagnetic transmission mechanism, the structure of the electromagnetic transmission mechanism comprises a fixing ring, two electromagnetic coils are arranged on the fixing ring in parallel, an armature is fixedly arranged on the outer side of each of two opposite ends in the axial direction of the fixing ring, and a clutch outer core is axially fixed with the fixing ring. A fast-gear clutch assembly and a slow-gear clutch assembly are arranged in the clutch outer core side by side in a circumferential transmission mode, and an inner shifting structure acting on the fast-gear clutch assembly and the slow-gear clutch assembly is arranged in the clutch outer core. A fast gear and slow gear transmission set in transmission connection with the transmission shaft is arranged in the clutch outer core and used for achieving fast gear and slow gear switching transmission. And the electromagnetic force of the two electromagnetic coils realizes the axial sliding of the clutch outer core, so that the fast-gear clutch assembly and the slow-gear clutch assembly are staggered for separation and reunion.

The invention provides an electromagnetic clutch combination control method, a power system and a medium. The electromagnetic clutch combination control method comprises the steps that the real-time current of an electromagnetic clutch, the accelerator opening degree change rate and the vehicle speed are obtained; under the condition that the vehicle meets the pre-combination condition of the electromagnetic clutch, a first target value is determined according to the number of combination failures of the electromagnetic clutch, and current with the magnitude being the first target value is applied to an electromagnetic valve of the electromagnetic clutch so as to drive the electromagnetic clutch to be combined; under the condition that the real-time current of the electromagnetic clutch is larger than or equal to the first target value, preloading torque is determined based on the accelerator opening degree change rate and the vehicle speed; and controlling the output torque of the engine according to the preloading torque. The pre-combination time is shortened while successful combination of the electromagnetic clutch is guaranteed, and the dynamic property of the whole vehicle is improved.

A modular passive-to-active exoskeleton system utilizes motor unit modules, an electromagnetic-clutch power transmission system, and biometric control. The passive exoskeleton has a stamina-increasing “chairless chair” function and optional use of magnetic ball-and-socket joints and knee torsion springs. To convert the exoskeleton system into an active robotic wearable device, modular attachments allow for motor units to be securely connected to the exoskeletal frame. An exoskeleton system may contain a knee motor unit that has a transmission system with an electromagnetic clutch that enables a passive mode, active mode, and / or hybrid mode. The motor units are controlled using wireless biometric motion sensors that measure limb joint angle and muscle activity. These motor units also communicate via wireless transmission with a central processing unit of the exoskeleton. This central processing unit serves as a gateway for user feedback from an Internet-of-Things (IoT) device, such as a smartphone, tablet, computer, etc.

A passenger car multi-system integration system includes at least an air compressor and a liquid tank. The air compressor and the liquid tank have exterior walls that at least partially contact. During operation of the air compressor, heat as a byproduct is transferred from the air compressor to the liquid tank by conduction, and is then transferred to the contents of the liquid tank by convection. The passenger car multi-system may also include at least one electromagnetic clutch in communication with the motor and the air compressor or the motor and a water pump, such that power can be optionally directed to the air compressor or the water pump during operation of the motor.

The utility model discloses a clutch, a transmission device, box equipment and a refrigerator. The clutch comprises a driving piece, a driven piece and a transmission assembly. The transmission assembly comprises a matching part, a clutch part and an electromagnetic coil, the matching part is in transmission connection with one of the driving part and the driven part, the clutch part is in transmission connection with the other one of the driving part and the driven part, and the clutch part can stretch out and draw back in the rotation axis direction of the driving part; the clutch piece has a transmission state in transmission fit with the matching piece and a separation state separated from the matching piece, and the clutch piece can be reset to the separation state. The electromagnetic coil is arranged on the outer side of the matching piece in a sleeving mode and can generate magnetic attraction force for driving the clutch piece to be in transmission fit with the matching piece after being powered on. According to the clutch, the transmission device can be applied to meet the intelligent opening and closing requirements of the refrigerator, manual opening and closing operation of a user is not interfered, meanwhile, the structure is simple, and the production cost can be reduced.

A disconnect system for selectively coupling or disconnecting a drive member and a driven member. The disconnect system includes a clutch ring rotationally coupled to a drive member, a solenoid actuator, and a shift fork coupled to the clutch ring and configured to be pivotally moved by the solenoid actuator. The shift fork configured to be selectively moved by the solenoid actuator to transition the clutch ring between an engaged position where the clutch ring is rotationally coupled to a driven member and a disengaged position where the clutch ring is disconnected from the driven member.

An electromagnetically shiftable positive engagement clutch is shown, having a shifting sleeve which is arranged on a shaft for joint rotation therewith and is linearly displaceable along the shaft between a clutch engagement position and a clutch disengagement position, a clutch body which is aligned coaxially with the shaft, and a stator having at least one energizable drive coil for adjustment of the shifting sleeve along the shaft, wherein in the clutch engagement position there is a positive engagement between the shifting sleeve and the clutch body and thus a rotary connection between the shaft and the clutch body. Moreover, the positive engagement clutch has a stationary sensor device which is arranged adjacent to the shifting sleeve and includes at least one Hall sensor and at least two magnets that magnetically enclose the at least one Hall sensor and are permanently stationary relative to the at least one Hall sensor, with the magnets pointing toward the shifting sleeve and having opposite polarities relative to each other. The sensor device is adjacent to the shifting sleeve in a radial direction so as to be spaced apart therefrom by a radial gap, so that an axial movement of the shifting sleeve is detected by the Hall sensor through a reduction in the radial gap.

An electronic automatically decoupling hub assembly. The decoupling hub assembly has an axle and a hub shell rotationally positioned about the axle. A controller provides automatic activation / deactivation signals to an inductor. The decoupling hub assembly has a bearing rotationally positioned about the axle and a cassette body assembly, having a plurality of teeth, rotationally positioned about the bearing. One or more pawls are provided to engage with at least some of the teeth of the cassette body assembly and a seal is used to contain the pawls within the decoupling hub assembly. A cassette body assembly is coupled with the ratchet ring and an end cap is used to prevent a contaminant from entering into the decoupling hub assembly.

The invention discloses a thermostatic water mixing valve based on thermal sterilization, and relates to the technical field of water mixing valves, the water mixing valve comprises an anti-convection mechanism, an anti-layering mechanism, a filtering mechanism, a valve body mechanism and a detection mechanism, the anti-convection mechanism is fixedly connected with the valve body mechanism, the anti-layering mechanism is fixedly connected with a valve body, the filtering mechanism is communicated with the valve body mechanism, and the detection mechanism is fixedly connected with the valve body mechanism. The detection mechanism is fixedly connected with the valve body mechanism, the anti-convection mechanism is fixedly connected with the valve body mechanism, cold and hot water convection interference is restrained through a mechanical structure, and it is ensured that the water temperature levels are balanced. The anti-layering mechanism is fixedly connected with the valve body and is structurally provided with a layer uniformizing component used for weakening the density difference of cold water and hot water to cause layering, the uniformity of the outlet water temperature is further guaranteed, the filtering mechanism is used for effectively removing impurity particles in water and preventing blockage and pollution, and the detection mechanism is used for collecting system operation state data. The problems of confused convection, large temperature difference, impurity accumulation, thermal sterilization temperature and the like are effectively solved.

A passenger car multi-system integration system includes at least an air compressor and a liquid tank. The air compressor and the liquid tank have exterior walls that at least partially contact. During operation of the air compressor, heat as a byproduct is transferred from the air compressor to the liquid tank by conduction, and is then transferred to the contents of the liquid tank by convection. The passenger car multi-system may also include at least one electromagnetic clutch in communication with the motor and the air compressor or the motor and a water pump, such that power can be optionally directed to the air compressor or the water pump during operation of the motor.

A filtering pulley has a hub configured to be fixed to a shaft for rotation thereabout, a crown mounted coaxial and rotationally free on the hub, and a plurality of elastic groups arranged circumferentially with respect to the hub and to the crown and interposed, each, between a pair of first elements integral with the hub and between a pair of second elements integral with the crown. The first elements have at least two spokes, carried by an actuator that is made of two portions that can be selectively coupled based on angular position data between the crown and the hub and / or based on data of torque transmitted between the different elements of the system comprising this pulley.

The utility model provides a transmission mechanism, a range extending device and a range extending system for an electric vehicle and the electric vehicle. The transmission mechanism comprises: a first input shaft (10); a second input shaft (12); a first clutch (2) having first and second rotating members; a first clutch actuator (A1) having a first actuating element for actuating the first clutch when energized; the differential mechanism (7) is provided with an input gear capable of being in power connection with the second rotating component; one end part of each output shaft is in power connection with the differential mechanism; a second clutch (6) provided on a power transmission path from the second rotating member to the other end of each output shaft; a second clutch actuator (A2) having a second actuating element for actuating the second clutch when energized; and a clutch interlock device configured such that when one clutch is engaged, the other clutch is automatically disengaged.

The passenger car integrated system comprises an air compressor and a cleaning system, the air compressor is connected with a first pressurization air storage tank and a second pressurization air storage tank, and the air compressor, the first pressurization air storage tank and / or the second pressurization air storage tank are / is connected with a pneumatic damping system; the cleaning system comprises a water tank, a water pump and at least one nozzle which are sequentially connected, the nozzle is in pneumatic communication with the air compressor, the first pressurized air storage tank and / or the second pressurized air storage tank and in hydraulic communication with the water tank, and gas or liquid sprayed out of the nozzle makes contact with the electronic sensor so that the surface of the electronic sensor can be cleaned. Parts such as the air compressor and the pressurizing air storage tank sharing the pneumatic damping system are matched with the cleaning system and other air supply and / or water supply systems, the integration degree is improved, and the service life of the air compressor is prolonged; and thermal communication is established between the air compressor and the water tank, so that the operation efficiency and the energy utilization rate of the whole passenger car integrated system can be improved.

A method for power transmission method includes providing first and second shafts, a gear assembly having first and second gear ratios, and first and second coupling assemblies. The first coupling assembly enabling torque transfer from the first shaft to the second shaft, and the second coupling assembly enabling torque transfer from the first shaft to the second shaft. The speed of the first shaft varies, wherein the deployment of a locking element of the second coupling assembly is based on the speed of the first shaft.

The invention belongs to the technical field of integrated circuits, and particularly relates to a circuit for controlling actuation of a clutch, the circuit comprises a control signal conversion circuit and a delay signal switching circuit, the control signal conversion circuit comprises a first DC / DC power conversion module U1 and a second DC / DC power conversion module U2 which are respectively used for providing a 28V control signal and a 12V control signal; the delay signal switching circuit comprises a delay relay U3 and is used for enabling the two output control signals to control the working state of the normally-closed clutch at different stages. The circuit provided by the invention is used for controlling the closing of the normally-closed clutch and decomposing an original working signal into a working signal and a holding signal, so that the long-time power consumption of the circuit is reduced, the electrified working time of the clutch is prolonged, the service life of the clutch is prolonged, and the environment temperature adaptability is improved while the electrified normal separation of the clutch is ensured; the circuit is simple in structure and high in sensitivity, and long-time control over the normally-closed clutch in the follow-up process can be guaranteed.

The application relates to a double-side coupling axial nutational magnetic speed reducer and a working method thereof. The speed reducer comprises a box, an input shaft is arranged at the left end of the box, a rotating disc is arranged at the right side in the box, a nutational disc is arranged in the box and rotates with the input shaft, first and second nutational magnetic gears are arranged at the left and right end faces of the nutational disc respectively, a fixed magnetic gear is arranged at the left end of the box and is magnetically coupled with the first nutational magnetic gear, and a movable magnetic gear is arranged at the left end face of the rotating disc and is magnetically coupled with the second nutational magnetic gear. The double-side coupling axial nutational magnetic speed reducer can realize few-pole difference, has simple structure, large transmission ratio and high transmission efficiency, the axial forces generated by the axial magnetic gears on the two sides can be effectively offset, the service life of bearings is prolonged, the axial force is small, and transmission is stable.

The present application relates to the technical field of punch forming equipment, and discloses an automobile air conditioner clutch coil shell, a stamping device and a stamping process thereof, which comprise a punch main body, a punch head fixedly connected to the top of the inner wall of the punch main body, a slide fixedly connected to the bottom of the inner wall of the punch main body, a fixing mechanism slidingly connected to the top of the slide, a shell arranged in the fixing mechanism, and a limiting mechanism fixedly connected to the middle shaft at the bottom of the inner wall of the punch main body, wherein the outer wall of the shell is clamped with the inner wall of the fixing mechanism, the outer wall of the punch main body is fixedly connected with a collecting groove, and the outer wall of the punch main body close to one end of the collecting groove is fixedly connected with a feeding mechanism. The device can fix the workpiece, avoid the movement of the workpiece during stamping, prevent the stamping position from deviating, and affect the use of the workpiece. The clamping assembly can not only fix the workpiece, but also assist in feeding the workpiece, avoid the workpiece from being processed again due to the delay in feeding, and automatically separate the round piece from the workpiece, thereby reducing the labor of workers.

A lock plate for an electronically actuated locking differential is provided. In one example embodiment, the lock plate includes a base portion having a first side and an opposite second side, a plurality of radially spaced teeth extending outwardly from the first side, and a plurality of standoffs extending outwardly from the second side.

An electromagnetic clutch is provided which includes—a selector sleeve arranged in a rotationally fixed manner on a first shaft and is adapted to be shifted linearly along the first shaft between an engaged and a disengaged state, a coupling body which is aligned coaxially to the first shaft, a stator which has a coil which serves to shift an armature ring linearly along the first shaft, the armature ring being mounted radially in an axial guide separately from the first shaft and the coupling body, wherein a shifting of the armature ring by the coil is also accompanied by a shifting of the selector sleeve. A method of closing and opening an electromagnetic clutch is also included herein.

Transmission system for a motor vehicle includes a differential drive device configured to distribute a torque to two wheel shafts of an axle, and which includes a coupling device having a coupled position in which the transmission of the torque via the differential drive device is provided and a decoupled position in which the transmission of the torque via the differential drive device is interrupted. The coupling device includes an actuator including a piston guided in axial translation between a retracted position and an extended position; and a thrust bearing which is inserted between the piston and a first coupling part of the coupling device so as to transmit an actuating force of the piston to the first coupling portion and to move the first coupling portion from the uncoupled position to the coupled position during the movement of the piston from the retracted position to the extended position.

The utility model discloses a fixed-point clutch, which relates to the technical field of clutches and comprises a wire seat, a force input rotor, a clutch positioning plate and a force output flange, the wire seat and the force input rotor form a driving structure connected with a motor, and the clutch positioning plate and the force output flange form a driven structure connected with equipment. A clutch structure is arranged between the driven structure and the driving structure and comprises a force input rotor and a clutch positioning plate which are attached to each other. According to the fixed-point clutch, the clutch function is achieved through mutual alignment of the grooves and the protrusions between the main meshing ring and the auxiliary meshing ring, the rotating shafts and the positioning holes are irregularly distributed, each rotating shaft can only be aligned with the only corresponding positioning hole, the rotating shafts provide the supporting effect in the attaching process of the input rotor and the clutch positioning plate, and the rotating shafts are not prone to falling off. And friction caused by premature contact of the two parts is effectively prevented, so that abrasion is reduced, and the service life of the whole equipment is prolonged.

The invention relates to an electromagnetic clutch with a shift sleeve (16) having a first toothed section (18) which is rotationally fixed on a first shaft (12) and is linearly adjustable along the first shaft (12) between an engaged and disengaged state, and a first clutch body (20) having a second toothed section (22) which is aligned coaxially with the first shaft (12), wherein the first and / or second toothed section (18, 22) has undercuts (23, 25) in the direction of the engaged state, which are configured such that a torque transmission between the first shaft (12) and the first clutch body (20) generates a force on the shift sleeve (16) in the direction of the engaged state. The invention also relates to a method for closing and opening an electromagnetic clutch (10).

This application discloses a monostable electromagnetic clutch, including a movable part, a magnetic assembly, a fixed disk, and several iron cores. The magnetic assembly is connected to the fixed disk, and the iron cores pass through the magnetic assembly and are connected to the fixed disk. An elastic component is provided on the movable part. Under the action of the electromagnetic force of the magnetic assembly and the elastic force of the elastic component, the movable part can reciprocate on one side of the magnetic assembly, keeping the movable part engaged or disengaged from the iron cores. This application features a flexible and compact structural design, allowing for different combinations depending on the application and available space. It can be used individually or in combination of several basic electromagnetic clutch units. After combination, it can be freely arranged in various installation positions and spaces according to requirements, fully optimizing the use of space.

An electromagnetically switchable positive-lock coupling is shown, with a movable part that is fixedly mounted on a shaft and is linearly displaceable along the shaft between an engagement position and a disengagement position. The positive-lock coupling has at least one stationary part that is aligned coaxially with the shaft and a stator with at least one energizable drive coil (30) for adjusting the movable part along the shaft, wherein in the engagement position there is a positive connection between the movable part and the stationary part, and thus a rotary connection between the shaft and the stationary part. Furthermore, a stationary sensor device (42) is arranged adjacent to the movable part, which comprises at least one Hall sensor (44) and at least one magnet (46) that magnetically encloses the at least one Hall sensor (44).The sensor device (42) is arranged in an axial or radial direction spaced apart from the moving part by a gap and is configured to detect an axial movement of the moving part by means of a change in the field line angle of a magnetic field generated by the magnet (46). Furthermore, a method for determining the position of the moving part is disclosed.

The utility model provides a composite tooth type electromagnetic clutch with a braking function, which comprises a driven fluted disc which is fixedly connected with a power output end and is provided with first meshing teeth, an inner ring which is fixedly connected with a load input end, and a magnet yoke which is fixedly connected with a rack and is provided with second meshing teeth, the movable disc is arranged between the magnet yoke and the driven fluted disc and is provided with third meshing teeth and fourth meshing teeth; a coil is arranged on the magnet yoke; the movable disc and the inner ring are connected through a spring piece, and an elastic piece is arranged between the movable disc and the inner ring. The clutch has dual functions of a clutch and braking. Compared with an existing friction mode, through the meshing mode of the meshing teeth, abrasion is greatly reduced, the service life is prolonged, the torque is large, the transmission torque is large, the structure is simple, installation is convenient, and later maintenance is also convenient.

A moving core has a moving core main member made of soft magnetic materials and a permanent magnet member made of hard magnetic materials. A direction of the magnetic pole of the permanent magnet member matches that of a coil when the coil is positively energized with the forward current, and a stator core is non-existent in a range of movement of the permanent magnet member. Since there is the non-existent portion of the stator core in the range of movement of the permanent magnet member, it is possible to prevent generation of a magnetic flux loop of the magnetic field of the permanent magnet and it is possible to prevent a reduction of the attractive force.

The utility model discloses a miniature clutch device based on magnetic circuit control, which comprises an input end coil, an output end coil, a rotating piece, a hard magnetic clutch sliding block, a clutch connector and a self-locking piece, the clutch connector is provided with a joint groove, and the self-locking piece comprises a permanent magnet piece and a locking piece used for magnetic isolation. A mounting groove communicated with the joint groove is formed in the circumferential groove wall in the joint groove, the locking piece is movably assembled in the mounting groove, and the output end coil is sequentially electrified to form two magnetic fields in opposite directions to be respectively applied to the permanent magnet piece; the hard magnetic clutch sliding block is driven to be switched between a separation position where the hard magnetic clutch sliding block is prevented from being connected with the connecting groove and a connecting position where the hard magnetic clutch sliding block is allowed to be connected with the connecting groove, and at least a magnetic field formed by electrifying the input end coil is applied to the hard magnetic clutch sliding block, so that the hard magnetic clutch sliding block extends out when the locking piece is switched to the connecting position; in this way, the clutch function is achieved through electromagnetic interaction, the working current is small, and the electromagnetic clutch is applied to the harsh environment.