Abstract: A moving coil brushless motor including an actuator having a stator and a rotor. The stator includes a cylindrical array of permanent magnets. The rotor includes a coil assembly having a plurality of coils interposed between a stator back plate and the permanent magnet array. The coil assembly rotates relative to the array of permanent magnets. A center shaft is disposed to rotate about a longitudinal axis. A cylindrical transformer is disposed within an interior space circumscribed by the stator back plate and includes a primary side and a secondary side. The primary side includes a primary coil and the secondary side includes a secondary coil magnetically coupled to the primary coil. Primary electronics are in communication with secondary electronics attached to the center shaft. The secondary electronics are configured to receive power from the secondary coil and to provide current to the actuator.

Abstract: A frictionless safety brake actuator, for use in an elevator system, includes at least two stators; a magnet array positioned between the stators; a linkage attached to the magnet array; and a biasing arrangement. The linkage is actuatable to move a safety brake into frictional engagement with an elevator guide rail. The magnet array is moveable between a first position in which the linkage is actuated and a second position in which the linkage is not actuated. The biasing arrangement is arranged to bias the magnet array towards the first position. The magnet array includes a first magnet set and a second magnet set which comprise at least one magnet each and at least three magnets in total. The magnet(s) of the first magnet set is/are arranged alternately with the magnet(s) of the second magnet set in a stack.

Abstract: An electrically powered, self-propelled cart for safely delivering heavy loads, such as concrete, within job sites with unlevel, irregular, or sloped terrain. A cargo bucket is tiltable over front drive wheels for transporting and dumping cargo. Electric drive motors associated with a transaxle propel wheels at a selectable speed in response to an electric control module. A steering column rotates in response to manually operated handle bars and activates a sensor to generate signals delivered to the control module for throttle adjustments. The sensor may be a linear potentiometer, a rotary differential transformer or a rotary encoder or shaft encoder measuring angular displacement. Extreme steering displacements will electrically reduce cart speed notwithstanding the previous speed setting chosen by the operator through the steering column.

Abstract: The invention relates to a pile installation system for providing a pile in the ground, comprising; an elongate pile installation tool for forming a bore hole and having a distal end, an end member for coupling to the distal end of the pile installation tool, and an electromagnetic device for releasable magnetically coupling the end member to the pile installation tool.

Abstract: A welding gun for welding a welding stud to a substrate in a welding direction is provided, comprising a holding device for holding the welding stud during a welding operation, wherein the welding stud has a contact surface which is intended to contact the substrate before and/or during the welding operation, further comprising a stud lifting device for conveying the holding device against the welding direction to an immersing start position, further comprising a stud immersing device for conveying the holding device from the immersing start position in the welding direction, further comprising a bearing element having a bearing surface for supporting the welding gun on the substrate, and further comprising a device for automatically adapting the immersing start position relative to the bearing surface in the welding direction.

Abstract: Magnet assemblies for electromechanical assemblies of elevator systems are described. The magnet assemblies include a magnet and first and second block assemblies arranged on opposite sides of the magnet. In some configurations, the block assemblies each include a respective friction engagement surface and are formed of layers of sheet metal, with a portion of the layers having blade teeth that form a friction engagement surface for engagement with a guide rail. In some configurations, each of the block assemblies are formed from powder metal sintering and include a monolithic tooth configuration configured to form a friction engagement surface for engagement with a guide rail. In some configurations each of the block assemblies includes an abrasive coating configured to form a friction engagement surface for engagement with a guide rail.

Abstract: Aspects of the disclosure provide an electric actuator including a first driving source coupled to an output through a first pathway created by a transmission, a second driving source coupled to the output though a second pathway created by the transmission that, upon the electric actuator losses electrical power to the electric actuator, causes the output to be positioned at a fail-safe position, a differential coupled to the first driving source and the second driving source through a third pathway created by the transmission to store energy from the first driving source in the second driving source, and an eddy current brake coupled to the output through the transmission that reduces a speed at which the second driving source moves the output to the fail-safe position.

Abstract: Dual action magnetic brakes and related methods are provided. In one aspect, such a brake includes a housing, a rotatable shaft extending through the housing, and a braking assembly in the housing. The braking assembly includes a coil and a braking member. The coil can generate a magnetic field when energized with electrical current. The braking member, and one or more flexible members attached thereto, can move in response to the presence or absence of the magnetic field to facilitate rotation or non-rotation of the shaft.

Abstract: An internal magnetic resistance system for use with a fitness device includes an axle, inertia wheel, transmission wheel, magnetic permeable ring and electromagnet. The inertia wheel is disposed at the axle and has a protruding ring portion. The transmission wheel connects to the inertia wheel and transfers an external force to the inertia wheel to cause the inertia wheel to rotate. An outer circumferential surface of the magnetic permeable ring is fixedly disposed on an inner circumferential surface of the protruding ring portion such that the magnetic permeable ring rotates together with the inertia wheel. The electromagnet is disposed in the protruding ring portion and surrounded by the magnetic permeable ring. The electromagnet has a support fixedly disposed at the axle and iron cores disposed at the support. Each said iron core is surrounded by a coil and separated from the magnetic permeable ring by a gap.

Abstract: A high torque reluctance brake device for fitness equipment, comprising: an external rotor including a flywheel and an outer ring body; at least two magnetic resistance mechanisms, each of them has a brake field core, a magnetic coil; a support frame for arranging magnetic resistance mechanisms to form an angle larger than 30 degree and to make between the outer periphery of the brake field core and the outer ring body has a gap; the control circuit unit transmits suitable current to the magnetic coil, then between the brake field core and the magnetic ring produced a eddy current magnetic resistance and forms a reverse resistance to the external rotor. By choosing different resistance setting can increase the variability of exercise and improve the comfort of exercise.

Abstract: A double brake structure includes a line reel rotatably provided, at least one set of centrifugal pin, a centrifugal brake ring movably provided in the centrifugal brake ring, a centrifugal assembly for making the centrifugal pin be close to an inner wall of the centrifugal brake ring and making the centrifugal pin rotate in the centrifugal brake ring when the line reel is rotating, and for automatically adjusting the kinetic friction force between the centrifugal pin and the inner wall of the centrifugal brake ring according to the speed of the line reel when the centrifugal pin contacts with the inner wall of the centrifugal brake ring, and a magnetic brake mechanism for adjusting the speed of the line reel. The present disclosure is easy to use with stable brake performance, and can achieve the function of automatic compensatory braking.

Abstract: A system for supporting a reel of stamping foil (2) that is mounted rotatably, includes: two flanges (9, 9?) connected to the shaft of the reel (2, 2?) that is positioned between the flanges, each flange having a rotary shaft extending outward of the reel; two end walls (7, 7?) mounted spaced apart on a guide surface (3?), each wall end having at least one upwardly oriented notch (10, 10?) arranged to receive the shaft of each flange (9, 9?); and a brake (13) which cooperates with and slows the rotation of the reel (2).

Abstract: The disclosed is a deceleration device including a cylindrical brake member fixed to a rotary shaft, a plurality of permanent magnets arrayed in a circumferential direction of a circle around the rotary shaft, a cylindrical magnet holder holding the permanent magnets, and a switching mechanism that switches between a braking state and a non-braking state. The plurality of permanent magnets include primary magnets and secondary magnets that are arrayed alternatively in the circumferential direction. When viewed on a surface facing the brake member, north poles of the primary magnets are circumferentially adjacent to and in contact with north poles of the secondary magnets, and south poles of the primary magnets are circumferentially adjacent to and in contact with south poles of the secondary magnets. The magnetic holder is ferromagnetic.

Abstract: A magnetic system for an automobile having a body portion and a base portion with a first and second set of electromagnets placed on the base station and the body portion respectively and wherein the body portion is adapted to raise off the base portion when sufficient electricity is supplied to the first and second set of electromagnets. A plurality of slider mechanisms operationally attached to the automobile, each having a groove portion running in the vertical direction, allow the body portion to be raised off the base station.

Abstract: Rotationally symmetric dampers (FIG. 3A) of a new type for eliminating and avoiding vibrations in machines and installations, particularly wind turbines. The damping occurs by magnetically generated eddy currents. In addition, vibration absorbers, particularly pendulum absorbers (7), are equipped with such magnetic dampers, and to installations, particularly wind turbines, that are exposed to vibratory forces and that comprise such vibration absorbers.

Abstract: The flywheel has the ability to vary its behaviour without having to resort to making adjustments when the unit is idle, due to which its inertia movement can be adjusted at the discretion of the technician based on the angular velocity of the system or the possible variations of the flywheel load. The flywheel has the ability to vary the distribution of its point masses due to the influence of at least one magnetic or electromagnetic field that can be modified when in operation. Aimed for the industrial sector dedicated to the construction of machinery.

Abstract: The spool brake device is equipped with a brake unit, a detector, and a controller. The controller controls the braking force by the brake unit based on the variation of the rotational speed of the spool detected by the detection unit. When the rotational speed is increasing, the controller controls the braking force by the brake unit in the regular braking mode. In the regular braking mode, the controller changes the braking force by the brake unit according to the rotational speed of the spool. In addition to it, when the rotational speed of the spool stops, the controller is to control the braking force by the brake unit in the first braking mode, during a period of predetermined time. In the first braking mode, the controller makes a braking force by the brake unit that is less than the braking force in the regular braking mode.

Abstract: A conveyor chute is suitable for use as a store for goods, such as packages and pieces of luggage. The conveyor chute has at least one sliding section with an inclined sliding surface with a direction of fall along the sliding surface as well as a sliding width. The sliding section has a width adjusting mechanism which allows the goods to be distributed across at least part of the sliding width and which thus allows the conveyor chute to be used in an improved manner for storing the goods.

Abstract: A fan includes a metal plate (100), multiple cylindrical coils (300), a frame (130) and an impeller (400). Multiple teeth (110) annularly arranged and connected with each other are formed on the metal plate (100). Each cylindrical coil (300) is arranged between adjacent teeth (110), and each end of the cylindrical coil (300) is arranged toward corresponding tooth (110). The frame (130) is arranged on a surface of the metal plate (100) and extended along an edge of the metal plate (100). A flow channel (131) and an air outlet (132) connected to the flow channel (131) are formed by the frame (130). The impeller (400) is arranged in the flow channel (131). A stator structure of the fan is simplified by forming the teeth (11) on the metal plate (100).

Abstract: Described herein is a device comprising members in a kinematic relationship. The kinematic relationship is at least partially governed by at least one magnetically induced force that introduces a force threshold that, in effect, provides a threshold to part movement and confers a degree of hysteresis, preventing movement until a sufficiently large energizing force is applied. The effect may be further altered by use of an additional magnetically induced force interaction with at least one further member to urge or slow movement once started and/or to prevent movement once a new position is reached.

Abstract: Disclosed herein are instruments and methods for performing both sample homogenization and sample clarification by centrifugation with a single instrument without transferring the sample to a new sample container and without removing or repositioning the sample container within the instrument. In some embodiments, the instrument may automatically perform centrifugation after homogenization. In other embodiments, the instrument may perform both homogenization and centrifugation simultaneously.

Abstract: The present disclosure provides a stator assembly comprising a high damping core, a low damping core coaxially aligned with the high damping core, a plurality of slots defined in at least one of the high damping core and the low damping core and extending between a first axial end face and a second axial end face of the at least one of the high damping core and the low damping core, and a control winding being integrally continuous and successively wound through the plurality of slots, such that the control winding enters the plurality of slots from at least one of the first axial end face and the second axial end face. In various embodiments, the control winding is configured to receive a current.

Abstract: An electric drum brake comprises a back plate. Shoes are operatively mounted to the backplate and displaceable to a deployed condition against a wheel drum from a retracted condition. An electrically powered actuation mechanism is adapted to convert electric power to a movement of the shoes to the deployed condition. A safety actuation mechanism comprises a lever having a first end adapted to receive a mechanical force. A joint configuration connects the lever to at least one of the shoes to convert movements of the lever to movements of at least one of the shoes between the deployed condition and the retracted condition without said electric power. A biasing member produces a biasing action against at least one of the lever and the joint configuration to maintain the shoes in the deployed condition, the mechanical force being against the biasing action to maintain the shoes in the retracted condition.

Abstract: An electromagnetic clutch includes a rotation transmission member supported by an input shaft portion via a bearing. The rotation transmission member includes a movement regulating portion having abutment portions that abut against the bearing. The clutch further includes first and second spring members that bias an armature toward a braking member, and a connecting member overlaid on the movement regulating portion. The connecting member has first holes at portions facing the abutment portions, and second holes at portions facing regions between the abutment portions. One-end portions of the first and second spring members are attached to the armature. First fixing members inserted into the first holes fix the other-end portions of the first spring members to the connecting member. Second fixing members inserted into the second holes fix the other-end portions of the second spring members to the connecting member and fix the connecting member to the movement regulating portion.

Abstract: Device and apparatus for controlling the operating mode of a coupling assembly, coupling and control assembly and electric motor disconnect and pass through assemblies are provided. The device is a switchable linear actuator device to control the operating mode of a coupling assembly. A plurality of magnetic sources produce corresponding magnetic fields to create a net translational force. A stator structure includes at least one electromagnetic source and a translator structure includes a permanent magnet source magnetically coupled to the stator structure across a radial air gap. The translator structure is supported for translational movement relative to the stator structure along an axis between first and second stable axial end positions which correspond to first and second operating modes of the coupling assembly and an unstable axial equilibrium position between the end positions.

Abstract: A bump shock absorbing device may include: a stopper member provided on a vehicle body and contacted and compressed against a chassis according to a bump of the vehicle body; and a magnetic force generation member including a pair of magnetic force generation members provided to face the chassis and the vehicle body, respectively, and generating a magnetic force to absorb shock caused by the bump of the vehicle body.

Abstract: Drive devices for coupling a drive mechanism to an input shaft and methods of providing coupling control through an electromagnet are described herein. The drive devices include a driven member operatively coupled to a clutch assembly engageable with an input shaft. The clutch assembly includes an electromagnet, an actuator activated by the electromagnet, and a clutch pack that is biased into increased frictional engagement by the actuator to transfer the torque from the driven member to the input shaft. The methods include providing such a drive device and activating the electromagnet.

Abstract: An exemplary elevator brake device includes a permanent magnet. A core supports the permanent magnet. A first plate is positioned near one side of the core with a first gap between the first plate and the core. A second plate is positioned near another side of the core with a second gap between the second plate and the core. The first and second plates remain fixed relative to each other and are arranged such that relative movement is possible between the core and the plates. An electromagnet selectively influences an amount of magnetic flux across the first and second gaps, respectively, to control a braking force of the brake.

Abstract: A power tool braking device, in particular a hand-held power tool braking device, of a portable power tool has at least one magnetic field braking unit. The power tool braking device comprises at least one mechanical activation unit.

Abstract: A motor and brake assembly includes a mounting member. A stator winding assembly, a brake assembly, a hub, and a rotor magnet assembly. The stator winding assembly is mounted to the mounting member. The brake assembly is operably connected to the mounting member. The hub is rotatably coupled to the mounting member. The rotor magnet assembly is mounted to an inside of a radially outer wall of the hub. The brake assembly is operable to move a component of the brake assembly between an engaged position where the component engages the inside of the radially outer hub wall and a disengaged position where the component is spaced apart from the inside of the radially outer hub wall.

Abstract: A brake device with built-in power generation mechanism and permanent magnetism eddy current comprises: an external rotator including a flywheel and a permanent magnet fixed at an inner periphery of the flywheel; an internal stator including a fixing bracket and a tile-shaped armature mounted at an outer periphery of the fixing bracket; a brake mechanism including a magnetic-conductive plate; when the external rotator is rotated the tile-shaped armature generates a three-phase alternating current, and the arc-shaped metal plate generates eddy current and braking torque of magnetic resistant; a cooling fan mounted on the flywheel to produce a cooling effect; an adjustment mechanism provided for adjusting a gap between the arc-shaped metal plate and the permanent magnet to adjust magnetic flux, and thus change the braking resistant load; a controller transferring the three-phase alternating current into direct current for required power of the control panel and server.

Abstract: A yoke core of an electromagnetic brake system includes a rotation shaft hole portion through which a rotation shaft is penetrated, and additionally includes an inner yoke portion and an outer yoke portion which are arranged on both inner and outer sides, by pinching a concave groove. A coil is accommodated in the concave groove and a magnetic flux is generated by applying electricity to attract an armature. The armature has a penetrating hole portion in the center, and a protruded shaft portion formed on the inner yoke portion is inserted to the penetrating hole portion. The rotation shaft has one side thereof rotatably supported by a support portion of a housing, and the other side thereof rotatably supported by the protruded shaft portion via the armature and a planetary gear mechanism. Accordingly, it is not necessary to provide bearings or the like.

Abstract: A braking system for safely collecting brake dust produced by operation of a braking mechanism. The braking system comprises a collector apparatus coupled with a braking mechanism. The collector apparatus is able to include a shroud that surrounds the braking mechanism and a catch element coupled with the shroud for collecting brake dust exiting the shroud. As a result, when coupled with the braking mechanism, the collector apparatus is able to ensure that most or all brake dust, such as copper or other particles from the braking mechanism that break off from the breaking mechanism during operation of the braking mechanism, are removed from the braking mechanism and collected by the filter/catch of the collector mechanism.

Abstract: The invention is an incrementally actuated eddy current braking system. The system comprises first and second primary members, which further comprise arrays of permanent magnets arranged in alternating polarity. The respective magnets of the arrays face one another. A means for incremental displacement is drivingly connected to at least one of the primary members enabling the movement of said members relative to one another.

Abstract: A flywheel assembly for exercise devices includes a flywheel. A first disc and a second disc sequentially received in the flywheel and securely attached to each other. A control plate is rotatably sandwiched between the first disc and the second disc. Multiple magnetic devices are respectively and radially connected to the control plate. A shaft centrally extends through the first disc, the second disc and the flywheel, and laterally mounted onto the second disc, wherein the flywheel is rotatable relative to the first disc, the control plate with the magnetic devices and the second disc. A drive device is laterally mounted onto the second disc for driving the control plate and adjusting the damping to the flywheel when the control plate is rotated relative to the first disc and the second disc due to the operation from the drive device.

Abstract: Vehicle wheels may be equipped with a stator and rotor to induce current to generate electricity as the vehicle wheels rotate or to slow down the vehicle wheels in response to the application of a brake of the vehicle. Air may be sucked through the vehicle wheels through mesh screens to create air flow that passes through ductwork to reach a turbine generator, which generates electricity in response to blade rotation from air flow. A roof mounted solar energy conversion system may generate electricity. A vehicle power supply boosts its energy from all the electricity generated.

Abstract: A braking system for an aircraft provided with undercarriage, wherein an axial-flux reversible electrical machine is associated to at least one wheel of the undercarriage and is set in rotation by the rotation of the wheel. Current-dissipator is provided, which can be connected to the windings of the axial-flux reversible electrical machine during rotation of the wheel in the landing phase for dissipating in the current-dissipator the induced currents generated by the machine, which behaves as current generator, and producing a braking effect that slows down the movement of the wheel. An epicyclic reducer is provided between the wheel of the undercarriage and the rotor of the reversible electrical machine. The epicyclic reducer provides a transmission ratio T in such a way that the rotor will turn at a velocity T? with respect to the velocity of rotation ? of the wheel.

Abstract: A magneto-rheological fluid brake includes a housing, a non-magnetically permeable separating ring, a plurality of magnetically permeable blocks, a plurality of magnetically permeable bars, an axle, an upper magnetically permeable block, a lower magnetically permeable block, and a magneto-rheological fluid. The magneto-rheological fluid is surrounded by a plurality of coils and a plurality of pole coils for increasing the area of magnetic permeability of the magneto-rheological fluid subjected to an applied magnetic field. Accordingly, the magneto-rheological fluid brake demonstrates an enhanced braking force and is free from a complete failure of the braking force.

Abstract: An electromagnetic inertia brake for a vehicle transmission in a vehicle powertrain has a non-rotatable armature and a brake reaction plate in which a friction brake retarding force is developed on both sides of the brake reaction plate, the brake reaction plate being secured to a transmission torque input shaft, whereby rotary elements of transmission gearing are braked during a transmission shift interval to improve shift quality.

Abstract: An electric drive system for a vehicle; said drive system including an electric motor at at least one wheel of said vehicle; said electric motor comprising an electric field source adapted to induce rotational torque in the brake disc associated with said wheel of said vehicle. In an alternative form there is provided a method of imparting a torque to a wheel of a vehicle; said wheel having a brake disc rotor mechanically associated with it; said method comprising utilizing said rotor as a motor rotor whereby said rotor performs a dual function of a disc brake and a motor rotor.

Abstract: A vehicle for a rail-borne transportation system includes an eddy current brake that contains a large number of magnetic poles and a mechanism for activating the magnetic poles for braking. The magnetic poles are formed by movably supported permanent magnets, and the activation mechanism switches the permanent magnets from an inactive position into an active position.

Abstract: An electromagnetic brake (20), in particular for an electric drive is provided, having a brake body (3), which is provided with a sleeve-shaped permanent magnet (4), an electromagnet (5) with an exciting coil (6), an external ring in the form of an external pole and an internal ring (8) in the form of an internal pole, wherein an armature disc (12) rotatably connected to a shaft is attractable against the brake body (3) or the external or internal ring surfaces by the permanent magnet (4) force acting against a return spring force. When the exciting coil is powered, the permanent magnet (4) magnetic field is compensated in such a way that the armature disc (12) is lifted up from the brake body (3) by the spring force, thereby allowing the brake to be released.

Abstract: A brake assembly (18) includes a permanent magnet (36) that generates a first magnetic field (52) in a direction that causes application of a clamping force on a brake disk (22). An electromagnet (38) is energized with current of a proper polarity to generate a second magnetic field (54) opposite the first magnetic field (52). The rate and magnitude at which current is applied produces a controlled repulsive force between the two magnetic fields (52, 54) to disengage the brake disk (22). As a distance between the permanent magnet (36) and the electromagnet (38) increases, the difference in field strength decreases until an equilibrium position is obtained. The brake is applied and released in a controlled manner by varying the strength of the second magnetic field (54) relative to the first magnetic field generated by the permanent magnet (36).

Abstract: An electric motor (102) with passive integral brake (104) includes a stator (204) with one or more magnetic field controllable coils (206) and a rotor (208) with a rotor shaft (210) positioned within an inner diameter (212) of the stator (204). The rotor (208) is operable to rotate about a longitudinal axis (214) of the rotor shaft (210). The electric motor (102) with passive integral brake (104) also includes a brake shoe (302) positioned within the inner diameter (212) of the stator (204) along the longitudinal axis (214) of the rotor shaft (210). The brake shoe (302) is operable to apply a braking force to the rotor shaft (210) and remove the braking force from the rotor shaft (210) responsive to a magnetic field strength produced by the one or more magnetic field controllable coils (206). One or more springs (220) passively apply the braking force.

Abstract: An eddy current magnetic braking system that is based on drag created when a conductor moves through a stationary magnetic field. As the magnetic field increases the drag value also increases. The invention provides a magnetic braking system for use on zip line/cable rides and trolleys. Alternate designs of the present invention include a magnetic braking system having a trolley that moves on a zip line/cable to a brake block which is connected to a pulley cable, as the trolley pushes the brake block, the pulley moves the conductor into a magnetic field creating an eddy current brake that slows the trolley to a stop.

Abstract: A permanently excited magnetic hysteresis brake (1) comprises a support roller (7) rotatable about a fixed axle (9), a magnetic element (3), a hysteresis element (2) and an adjusting device for adjusting the position of the magnetic element (3) and hysteresis element (2) relative to one another and for adjusting the braking torque acting via the support roller (7) on the yarn (5). The magnetic hysteresis brake (1) has only one single mechanically acting actuator (18) for adjusting the braking torque. Both the adjustment of the braking torque to the desired value for the operation of the brake (1) and the adjustment of the braking torque when calibrating the brake (1) are carried out by actuation of this one actuator (18). The structure and handling of the magnetic hysteresis brake (1) can be simplified thereby. The magnetic hysteresis brake (1) can be used to maintain a uniform thread tension on textile machines.

Abstract: A brake mechanism for an injection device for generating a braking action on a moving, e.g. rotating, part or component of the injection device.

Abstract: The present invention provides a controller for a magnetic wheel, which is added with an alternated adjusting seat within the external rotary disk of the magnetic wheel controller. A flexible locker of alternated adjusting seat can be flexibly locked into second latch groove of external rotary disk. When a cam shaft of a tester has not reached a signal locating point, but the cable of magnetic component has been fixed during initial assembly of the magnetic wheel and controller, the flexible lock is flexibly locked with a second latch groove, such that the external rotary disk and alternated adjusting seat will continue to rotate until the tester senses the locating signal. Thus, no manual adjustment of cable is required in order to shorten assembly time and improve manufacturing efficiency for a higher practicability.

Abstract: The invention concerns an adjustable hysteresis driver, with a rotor component (5) on the input side that can be driven and/or a stator component (7?, 7?), with an armature component (8) on the output side in fixed connection with a shaft (4), with a hysteresis component (9) connected to the armature component (8), the stator component (7?, 7?) comprising an electromagnet (7a) or permanent magnet (18) by means of which a magnetic flux can be induced in the rotor component (5) and/or the stator component (7?, 7?), and in which the torque that can be transmitted can be adjusted by electromagnetic or electro-mechanical means. The purpose of the invention is to propose a hysteresis driver with improved adjustability.

Abstract: A wheel-type resistance device includes a flywheel rotatably mounted on a shaft, a mount secured to the shaft and having a slot, left and right mounting strips anchored to the mount and having pulled ends adjacent to the slot, left and right pulling cords respectively connected to the pulled ends and respectively having left and right lugged ends, a guiding block operable to move along the slot such that a hauling force is transmitted for lugging the lugged ends to thereby move the mounting strips, and a force apportioning member coupling the lugged ends with the guiding block such that during movement of the guiding block, a main amount of the hauling force is initially diverted to the left pulling cord to move the left mounting strip, and the hauling force transmitted to the left and right lugged ends is subsequently equalized to move the left and right mounting strips.