1045results about "Magnetically actuated clutches" patented technology

A disconnectable differential assembly has a reduced axial length and a side gear disconnectable from an axle shaft via a clutch unit. Various components of the disconnect mechanism are axially aligned and concentric to reduce the axial length. An output hub splined on the axle shaft and is actuatable, via an axially shiftable armature, into toothed engagement with the side gear via respective axially extending teeth. The output hub and armature include radially extending flanges that are axially adjacent and radially aligned with the teeth so that force is transmitted to the teeth at the same diameter. A thrust bearing is disposed between the flanges so that the output hub rotates relative to the armature. The side gear is supported for rotation on the axle shaft, and a bearing is disposed radially therebetween to improve radial alignment of the second side gear with the output hub.

An electronic differential disconnect clutch includes a differential unit, a first flange, a hub, a second flange, a hub sleeve and a solenoid. The differential unit has a pair of splines arranged for receiving a pair of axle shafts. The first flange has a first face spline and is fixed to the differential unit. The hub is rotatable relative to the differential unit and arranged to receive an input torque. The second flange is rotationally fixed and axially displaceable on the hub and has a second face spline arranged for engaging the first face spline. The hub sleeve is arranged to axially displace the second flange to engage the second face spline with the first face spline. The solenoid is arranged to axially displace the hub sleeve.

An inductive position sensor, comprising: a movable part (1) which is a magnetic conductor; and an induction coil assembly (100) adjacent to the movable part (1), wherein the induction coil assembly (100) and the movable part (1) form a magnetic circuit, the induction coil assembly (100) has an input end for inputting a current and an output end for outputting a feedback current; the inductive position sensor is used to detect a position of the movable part (1) based on a relationship between the feedback current and the input current. The inductive position sensor of the present disclosure has flexible and compact structural design, and can be adjusted and arranged according to different applications and structural spaces, so it is applicable to a wide range of environments. An electromagnetic clutch is also proposed.

A method for power transmission method includes providing first and second shafts, first and second gear assemblies between the first and second shafts, and first and second coupling assemblies. The first coupling assembly coupling the first shaft to the first gear assembly, and the second coupling assembly coupling the first shaft to the second gear assembly. 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 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.

An actuator for externally manipulating a clutch within a machine rotatable about an axis is provided with a driving unit including a plurality of magnetic coils arranged around the axis, each of the coils being arranged to generate a magnetic flux in a direction parallel to the axis; an armature disposed coaxially with the axis and opposed axially to the driving unit, the armature being movable axially; and a plunger coupled with the armature to transmit axial motion to the clutch.

The invention provides an electromagnetic clutch, an electromagnetic clutch assembly, a power device and a vehicle, the electromagnetic clutch comprises a connecting piece, a sliding sleeve and an excitation piece, the sliding sleeve is in sliding connection with the connecting piece, and the excitation piece is arranged on the outer side of the sliding sleeve; the excitation part can generate electromagnetic induction with the sliding sleeve and drive the sliding sleeve to move, so that the sliding sleeve can be connected with the first transmission part or the second transmission part, then different gears are formed, the structure is simple, and then the vehicle can output a larger vehicle speed range.

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 a control method and device of an electromagnetic clutch, electronic equipment and a readable storage medium, the method is applied to a series-parallel hybrid power system, when the electromagnetic clutch is in a parallel mode, if a clutch separation instruction request is received, the output torque of a generator is adjusted based on the output torque of an engine, and the output torque of the generator is adjusted. The torque of the input shaft of the electromagnetic clutch is eliminated; if the input shaft torque is smaller than the input shaft torque threshold value, it is determined that twist clearing is completed, and an electromagnetic coil of the electromagnetic clutch is controlled to be powered off; after the electromagnetic coil is powered off, if the driven end and the driving end of the electromagnetic clutch are still not separated, the parameter range of the shaking torque is determined based on the rotating speed change rate of the driven end of the electromagnetic clutch; and based on the parameter range, generating a target jitter torque to adjust the output torque of the generator until the driven end and the driving end of the electromagnetic clutch are separated. Therefore, the direction, the upper limit value and the lower limit value of the shaking torque are determined through the rotating speed change rate of the driven end, and the electromagnetic clutch can be stably separated.

A viscous clutch assembly includes a rotationally fixed center shaft, a rotor rotatably supported on the center shaft, a housing rotatably supported on the center shaft, a working chamber, a reservoir carried by the rotor, an electromagnetic coil located at or near a front end of the center shaft, a valve subassembly magnetically operable to control flow of a shear fluid between the reservoir and the working chamber, a flux guide extending axially across a cover of the housing, and a magnetic flux insulating material positioned adjacent to and radially inward from the flux guide. A flux circuit located forward of the rotor connects the electromagnetic coil and the valve subassembly and passes through the flux guide and the center shaft, with the magnetic flux insulating material at least partially surrounded by the flux circuit.

An actuator for a wheel end disconnect system includes a housing and a solenoid mounted to the housing, the solenoid is actuatable to move a plunger in a fore and aft direction. A rocker is pivotally mounted to the housing and is connected to the plunger. A shift fork slidably mounted on a translation pin extending from the housing, the shift fork including a channel for receiving an end of the rocker, wherein activation of the solenoid causes pivotal movement of the rocker to cause the shift fork to translate along the translation pin.

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.

The crystal ingot carrier with the lifting function comprises a bottom plate and a top plate arranged over the bottom plate, the top plate and the bottom plate are fixed through a plurality of guide columns, moving wheels and an electromagnetic clutch assembly are installed at the bottom of the bottom plate, a manual assembly is installed on the top plate, and a lead screw pair assembly is installed between the top plate and the bottom plate. A sliding block is connected to the lead screw pair assembly in a sliding mode, the sliding block is connected with the guide columns through linear bearings, the top end of the lead screw pair assembly penetrates through the top plate and then is in transmission connection with the manual assembly, the bottom end of the lead screw pair assembly penetrates through the bottom plate and then is connected with the electromagnetic clutch assembly, and a motorized assembly is installed at the bottom of the sliding block and connected with the lead screw pair assembly. The motorized assembly, the manual assembly and the electromagnetic clutch assembly are jointly and electrically connected with a controller. The sliding block is fixedly connected with a plurality of crystal ingot seats, through holes are formed in the positions, corresponding to the crystal ingot seats, of the top plate, descending and carrying of single crystal ingots are integrated, and the single crystal ingot descending and carrying device has the advantages of simplifying operation and reducing cost.

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.

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.

A resistive and locking system for locking rotation of a shaft. The system includes a housing defining an axis AX therethrough. The housing includes a drive shaft mounted in the housing and extending axially from a bottom end of the housing and a first stage comprising a resistive mechanism provided in the housing. The housing also includes a second stage comprising a locking mechanism arranged in the housing above the first stage. The locking mechanism is biased axially to frictionally engage with and lock the first stage mechanism to prevent rotation of the drive shaft, the locking mechanism including a magnetic unlocking mechanism configured to remove the frictional engagement with the first stage on application of power to the locking mechanism.

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.

The invention discloses a shaft sleeve type transmission mechanism and an electromagnetic clutch, and the shaft sleeve type transmission mechanism comprises a middle shaft, a shaft sleeve and a gear shaft; the gear shaft rotationally sleeves the middle shaft, and a first tooth row structure is arranged on the peripheral surface of the gear shaft; the shaft sleeve is movably sleeved on the middle shaft along the axial direction of the shaft sleeve, and part of the sleeve section is sleeved on the gear shaft; a second tooth row structure capable of being meshed with the first tooth row structure is arranged on the inner circumferential face of the shaft sleeve. A reset elastic piece is connected between the shaft sleeve and the middle shaft; the reset elastic piece is used for providing elastic acting force for resetting movement of the shaft sleeve in the axial direction of the shaft sleeve. A first stop part is arranged on the peripheral surface of the gear shaft and can be in contact with and abut against the shaft sleeve; when the shaft sleeve abuts against the first stop part in a contact mode, the first tooth row structure and the second tooth row structure are completely meshed. And meshing is carried out in a tooth row structure form, so that the combining and separating path is shortened, the meshing time is shortened, and the response time is shortened under the condition that enough torque transmission capacity is achieved.

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 relates to an automatic separation hand wheel clutch device which comprises a handle, a hand wheel, a gland, a wheel shaft, a base and a wheel shaft clutch, the gland is arranged at the upper end of the wheel shaft, the lower end of the wheel shaft penetrates through the base to be fixedly connected with the wheel shaft clutch, a pressing disc is arranged on the wheel shaft, and a first spring is arranged between the pressing disc and a positioning shaft sleeve. A trapezoidal baffle plate is arranged on the wheel shaft part above the pressure plate; limiting blocks are installed on the base on the two sides of the positioning shaft sleeve, and power-off switches are fixedly installed on the limiting blocks. An electromagnetic generator is arranged on the upper plane of the base on one side of the wheel shaft, the electromagnetic generator comprises a main shell, a shell support and an electromagnetic coil, the electromagnetic generator is fixed on the base through the shell support, the main shell is of a barrel-shaped structure, an opening faces the wheel shaft, the electromagnetic coil is installed in the main shell, and a spring seat is fixedly installed at the left end of an inner cavity of the main shell; the spring seat is fixedly connected with a second spring, the other end of the second spring is connected with a columnar iron core, and the columnar iron core is matched with the opening channel of the main shell in size.

An electromagnetic switchable clutch includes a dog clutch, a one-way clutch and a coil assembly. The dog clutch includes a dog clutch hub with a first outer spline and first pockets, a dog clutch disc with a second outer spline and a dog clutch sleeve with an inner spline, complementary to the first outer spline and the second outer spline. The inner spline is drivingly engaged with the first outer spline and axially displaceable to engage the second outer spline. The one-way clutch includes a cam ring and pawls. The cam ring includes second pockets. The pawls are disposed the first pockets or the second pockets and arranged to engage the other of the first pockets or the second pockets to rotationally lock the cam ring to the dog clutch hub in a single rotational direction. The coil assembly is arranged to axially displace the dog clutch sleeve.

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.