26results about "Movable winding electromagnets" patented technology

An optical system is provided. The optical system includes a holder and a first compensation assembly. The holder is connected to an optical module. The first compensation assembly compensates a light. The first compensation assembly includes a first optical element. The light enters the optical module through the first compensation assembly.

An emergency release device comprises: a release assembly configured to receive molten salt from a ship equipped with a reactor vessel in which the molten salt flows; and a valve assembly configured to, in an abnormal state where a temperature of the reactor vessel is not within a predetermined range, allow the molten salt to flow from the reactor vessel into the release assembly and to be connected to the release assembly while the molten salt flows from the reactor vessel into the release assembly.

The invention relates to a rotary actuator (1) having: a stator (10); -at least one stator coil (11) which is connected to the stator (10) such that a force acting on the stator coil (11) is transmitted to the stator (10); -an armature (20) which is rotatable relative to the stator (10) about an axis of rotation (2); -at least one armature coil (21) which is connected to the armature (20) such that a force acting on the armature coil (21) is transmitted to the armature (20); -a current line (3) which can be used to energize the at least one stator coil (11); -a cable (4) that can be used to energize the at least one armature coil (21); -a rotation angle limiting device (5) by means of which the rotation of the armature relative to the stator is limited to a rotation angle range of 0 to 359 degrees.

This application relates to the field of bendable circuit board technologies, and provides a magnetic attraction component and an assembly method thereof, a linear motor, a camera, and an electronic device, to resolve problems in a related technology that reliability of a connection between two magnets that repulse each other in the magnetic attraction component is low and assembly efficiency of the magnetic attraction component is low. The magnetic attraction component includes a magnet unit. The magnet unit includes a plurality of magnets. Two adjacent magnets, in the plurality of magnets, that repulse each other are welded. This application may be applied to an electronic device such as a mobile phone.

The invention relates to a rotary actuator (1), comprising: - a stator (10), - at least one stator coil (11) which is connected to the stator (10) in such a way that a force acting on the stator coil (11) is transmitted to the stator (10); - an armature (20) which is rotatable about an axis of rotation (2) relative to the stator (10), - at least one armature coil (21) which is connected to the armature (20) in such a way that a force acting on the armature coil (21) is transmitted to the armature (20); - power lines (3) which can be used to energize the at least one stator coil (11), - cables (4) which can be used to energize the at least one armature coil (21), - a rotational angle limiting device (5) which is used to limit a rotation of the armature relative to the stator to a rotational angle range of from 0 to 359 degrees.

An electromagnetic shaker apparatus includes a body, and a magnetic device housed within the body and configured to provide a static magnetic field. The apparatus further includes an armature, and a solenoid coil mounted on the armature and configured to receive current from a power supply. Interaction between the static magnetic field and the solenoid coil can generate a Lorentz force that causes movement of the armature relative to the body. The apparatus can withstand high temperatures and / or pressures and / or chemical conditions, and can be used in a fretting wear system in testing environments.

This disclosure relates to a permanent magnet assembly and non-commutated linear actuator. There is provided a permanent magnet assembly for a non-commutated linear actuator, the permanent magnet assembly comprising: a magnetic core structure, and a permanent magnet having a first pole and a second pole, wherein the magnetic core structure comprises a central core portion connected to the first pole of the permanent magnet, an outer hollow portion connected to the second pole of the permanent magnet, and a gap region positioned between the central core portion and the outer hollow portion, wherein the magnetic core structure is configured such that magnetic flux generated by the permanent magnet flows between the central core portion and the outer hollow portion via the gap region, and wherein the magnetic core structure comprises one or more protrusions extending into the gap region.

The present invention relates to a human body stimulation system that uses acoustic pressure to provide vibration and photoacoustic sound to provide bone conduction sound. More specifically, the present invention relates to a human body stimulation system that uses acoustic pressure to provide vibration and photoacoustic sound to provide bone conduction sound, the system includes a vibration device configured to provide vibration to a human body using acoustic pressure and a transducer that provides bone conduction sound using photoacoustic sound, and thus can provide vibration (tactile sensation) and bone conduction sound (auditory sensation) to a human body (particularly the brain). According to the present invention, bone conduction sound can be provided simultaneously with human body stimulation to vibration.

The invention discloses a modular efficiently-assembled electromagnetic braking system which comprises a magnet yoke body, a rotor connecting assembly and a cover plate, an integrated electromagnetic coil is installed in the magnet yoke body, the integrated electromagnetic coil is provided with an integrated plug-in device extending out of the magnet yoke body, and a friction plate moving up and down is arranged between the magnet yoke body and the rotor connecting assembly. The magnet yoke body is provided with a plurality of springs matched with the friction plates, the rotor connecting assembly is provided with a brake seat plate matched with the friction plates, the rotor connecting assembly is sleeved with the cover plate in a limiting mode and connected with the magnet yoke body, and the integrated plug-in device is vertically provided with two terminal containing cavities side by side. And the end part of the enameled wire passes through the wire passing clamping groove and is electrically connected with the inner connecting terminal inserted into the terminal accommodating cavity. The electromagnetic coil, the friction plate, the rotor braking part, the power matching suite and the cover plate are integrated to form a modular unit, the purpose of modular and standardized assembly of the electromagnetic braking system is achieved, and the assembly quality and efficiency are improved.

An optical driving mechanism is provided. The optical driving mechanism includes a first movable part, a fixed part, and a first driving assembly. The first movable part is connected with an optical element. The first movable part is movable relative to the fixed part. The first driving assembly drives the first movable part to move relative to the fixed part. The fixing part has an opening.

In a linear motor that drives a drive unit of a hydraulic device so as to cause the drive unit to reciprocate, a permanent magnet is divided into two in a longitudinal direction and includes a first magnet on a proximal side of the hydraulic device and a second magnet on a distal side of the hydraulic device, a first coil and a second coil that are formed by winding coil wires in opposite directions are provided, an LVDT case member in which solenoid coils constituting an LVDT in a region in front of an end of the first magnet closer to the hydraulic device are built is projected at an end of an inner yoke on the hydraulic device side, a core of the LVDT that linearly moves together with the bobbin inside the solenoid coils is coupled to a protrusion extending in a substantially cone shape from an edge of a cylindrical body of the bobbin, and a magnetic ring made of a soft magnetic material and disposed in contact with the end of the first magnet closer to the hydraulic device is further provided.

The invention relates to an actuator assembly for a textile machine, wherein: the actuator assembly comprises a plurality, i.e. n, spools distributed along a depth; the actuator assembly comprises a plurality, i.e. n+1, magnetic plates distributed along the depth; the magnetic plates and the spools alternate along the depth, so that each spool is received between two adjacent magnetic plates; each magnetic plate comprises an upper permanent magnet and a lower permanent magnet having opposite orientations; the upper permanent magnets of all magnetic plates have the same orientation; the lower permanent magnets of all magnetic plates have the same orientation; each spool is movable along a height between an upper position and a lower position, and vice versa, wherein the upper position is comprised between the upper permanent magnets of two adjacent magnetic plates and the lower position is comprised between the lower permanent magnets of two adjacent magnetic plates; and each spool can be powered in two opposite ways. The invention also relates to a textile machine comprising such an actuator assembly.

The solenoid includes a stator having first stator teeth and second stator teeth, and an armature having first armature teeth and second armature teeth. The armature is movable relative to the stator within a predetermined stroke. A coil is associated with one of the stator and the armature for conducting current and generating magnetic flux guided by the stator and the armature. The stator or the armature acts as the ferromagnetic core of the coil. A first air gap of a first length is formed between the first stator teeth and the first armature teeth, and a second air gap of a second length is formed between the second stator teeth and the second armature teeth. The first and second lengths are constant within a predetermined margin within a predetermined formation when the first and second armature teeth overlap with the first and second stator teeth, respectively.

A system provides a work surface, a configuration space unit, and a magnetic movement system. The work surface has a configuration space associated therewith. In this regard, the configuration space unit is positionable within the associated configuration space of the work surface. The magnetic movement system has unit cells arranged in cooperation with the work surface, where each unit cell comprises an actuator, a magnet coupled to the actuator such that the actuator causes movement of the magnet defining an actuated magnet, and an electromagnetic coil. Moreover, the magnetic movement system is configured such that a magnetic field produced by at least one unit cell performs at least one operation that affects a position of the configuration space unit within the configuration space of the work surface.

The present invention relates to an electromagnetic actuator for positioning movements along a curved movement path, in particular a circular path. In order to be able to be used more in a more versatile way than known solutions, the actuator according to the invention comprises: a. at least one magnet module (2a, 2b) which has a magnetic gap; b. at least one coil module (3a, 3b) which has a solenoid coil; c. a magnet carrier (4) which has a plurality of magnet module couplings (4a, 4b) for being coupled to each magnet module (2a, 2b); and d. a coil carrier (5) which is movable, in particular rotatable, relative to the magnet carrier (4) and has a plurality of coil module couplings (5a, 5b) for being coupled to each coil module (3a, 3b). The modules (2a, 2b; 3a, 3b) can be coupled to the module couplings (4a, 4b) in such a way that the solenoid coil of a coil module (3a, 3b) coupled to a coil module coupling (5a, 5b) is arranged in the magnetic gap of a magnet module (2a, 2b) coupled to an associated magnet module coupling (4a, 4b), so that when an electric current is applied to this solenoid coil, the coil carrier (5) moves along the movement path (B) relative to the magnet carrier (4) due to a magnetic force acting between the magnet module (2a, 2b) and the coil module (3a, 3b).

The invention relates to a rotary actuator (1) comprising: - a stator (10), - at least one stator coil (11) connected to the stator (10) in such a way that a force acting on the stator coil (11) is transferred to the stator (10), wherein the stator (10) is divided into at least two stator partial shells (10', 10") each with a stator coil (11', 11"); - an armature (20) rotatable about an axis of rotation (2) relative to the stator (10), wherein the armature (20) is divided into at least two armature sub-shells (20', 20") each with an armature coil (21', 21"), - at least one armature coil (21) which is connected to the armature (20) in such a way that a force acting on the armature coil (21) is transferred to the armature (20); - Power lines (3) through which at least one stator coil (11) can be energized, - Cable (4) through which at least one armature coil (21) can be energized.

The invention relates to a rotary actuator (1) comprising: - a stator (10); - at least one stator coil (11) which is connected to the stator (10) such that a force acting on the stator coil (11) is transmitted to the stator (10), wherein the stator (10) is divided into at least two stator partial shells (10', 10'') each having a stator coil (11', 11''); - an armature (20) which is rotatable relative to the stator (10) about an axis of rotation (2), wherein the armature (20) is divided into at least two armature partial shells (20', 20'') each having an armature coil (21', 21''); - at least one armature coil (21) which is connected to the armature (20) such that a force acting on the armature coil (21) is transmitted to the armature (20); - power lines (3) which can be used to energize at least one stator coil (11); and - cables (4) which can be used to energize the at least one armature coil (21).

To provide an optical module that can improve reliability.SOLUTION: An optical module 1 comprises: a mirror unit 2; a magnet part 3; and a package 4 that has a recess 40. The magnet part 3 includes a first magnet 31 and a second magnet 32. The recess 40 has: a base wall part 41 that is fixed with a top face 3a of the magnet part 3; and a side wall part 42 that faces a side face 3s of the magnet part 3. The recess 40 has an opening 40a that is defined by the side wall part 42 and opens downward. The mirror unit 2 is arranged on a second surface 41b on the opposite side of a first surface 41a to which the magnet part 3 is fixed in the base wall part 41. A second top face 32a of the second magnet 32 is located lower than a first top face 31a of the first magnet 31. The magnet part 3 is fixed to the base wall part 41 by an adhesive 53 arranged at least between the first surface 41a of the base wall part 41 and the second top face 32a of the second magnet 32.SELECTED DRAWING: Figure 3

The invention relates to an electromagnetic actuator for a positioning movement along a curved movement path, in particular a circular path. In order to be able to use the actuator in a more general way than known solutions, the actuator according to the invention comprises: a. At least one magnet module (2a, 2b) having a magnetic gap; b. At least one coil module (3a, 3b) having a solenoid coil; c. A magnet carrier (4) having a plurality of magnet module couplings (4a, 4b) for coupling to each magnet module (2a, 2b); and d. A coil carrier (5) movable, in particular rotatable, relative to the magnet carrier (4) and having a plurality of coil module couplings (5a, 5b) for coupling to each coil module (3a, 3b). The modules (2a, 2b; the coil modules (3a, 3b) can be coupled to the module couplings (4a, 4b) such that the solenoid coils of the coil modules (3a, 3b) coupled to the coil module couplings (5a, 5b) are arranged in the magnetic gap of the magnet modules (2a, 2b) coupled to the associated magnet module couplings (4a, 4b) such that when an electrical current is applied to the solenoid coils, the coil modules (3a, 3b) are coupled to the coil module couplings (5a, 5b). The coil carrier (5) is moved relative to the magnet carrier (4) along a movement path (B) due to a magnetic force acting between the magnet modules (2a, 2b) and the coil modules (3a, 3b).

The invention relates to an adjustment device comprising: a base component (B1), an adjustment body (10), at least one flexure bearing (21) by means of which the adjustment body (10) is mounted on the base component (B1) so as to be rotatable about an axis of rotation (D1) of the flexure bearing, and at least one drive device (C) which is coupled to the base component (B1) and to an adjustment body connection device (AV), in order to move these relative to one another. The drive device (C) has an actuator (60) comprising an electrical coil (71), the coil axis (AS) of which extends along the axis of rotation (D1) of the flexure bearing, and a compensation component (80) made of a magnetisable or magnetised material, as well as at least one permanent magnet segment (MS), which is located adjacent to the actuator (60) and is movable relative thereto, and of which the magnetic field lines extend along the coil axis (AS) in the interior of the permanent magnet segment (MS). The invention also relates to an adjustment system and to a computer program product.

The present invention relates to a magnetic device with a coil arrangement that is placed over the outside of a silicon single-crystal growth device and is movable along an axis of the silicon single-crystal growth device. The coil arrangement comprises several primary coils arranged circumferentially around the silicon single-crystal growth device. The strength of the components of a magnetic field generated by the primary coil in radial directions of the silicon single-crystal growth device is higher than that of its components along the axis of the silicon single-crystal growth device.With this arrangement, the strength of the components of the magnetic field generated by the primary coils along the radial directions of the silicon single-crystal growth device is stronger than that of its components along the axis of the silicon single-crystal growth device. This increases the strength of the magnetic field components, effectively suppressing natural convection along the melt periphery and allowing for flexible control of the content and radial uniformity of oxygen, carbon, and other impurities in the resulting crystal. Furthermore, the mobility of the coil arrangement along the axis of the silicon single-crystal growth device enhances the utility and flexibility of the magnetic device.

An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, a driving assembly and a stopping assembly. The fixed assembly has a main axis. The movable assembly is configured to connect an optical element, and the movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The stopping assembly is configured to limit the movement of the movable assembly relative to the fixed assembly within a range of motion.

A setting tool, comprising: at least a housing and an electrodynamic drive, wherein the electrodynamic drive comprises at least: a first excitation coil; a movable electrical conductor, for example a squirrel-cage rotor or a second coil, which is arranged movably in the setting tool; a driving-in element; a cable; a tensioning device for the at least one cable, comprising at least one spring element and a means for deflecting the force, wherein the at least one means for deflecting the force is preferably designed as a movable roller which furthermore preferably has a groove for receiving the cable; and a stop; characterized in that the cable is fastened at one end directly or indirectly to the movable electrical conductor and at the other end directly or indirectly to the housing of the setting tool, and in that, in the inoperative state of the setting tool, the cable is tensioned by the tensioning device, by pretensioning of the spring element, so as to keep the movable electrical conductor pulled into an inoperative position defined by the stop, and wherein, during a setting operation, the movement of the movable electrical conductor further tensions the spring element via the cable, after which the spring element rebounds again to a pretensioned state and pulls the movable electrical conductor back into its inoperative position.

A setting tool, comprising: at least one housing and an electrodynamic drive, wherein the electrodynamic drive comprises at least: a first excitation coil; a movable electrical conductor, for example a squirrel-cage rotor or a second coil, which is arranged movably in the setting tool; a driving-in element; a cable; a tensioning device for the at least one cable, comprising at least one spring element and a means for deflecting the force, wherein the at least one means for deflecting the force is preferably designed as a movable roller which furthermore preferably has a groove for receiving the cable; and a stop; characterized in that the cable is fastened at one end directly or indirectly to the movable electrical conductor and at the other end directly or indirectly to the housing of the setting tool, and in that, in the inoperative state of the setting tool, the cable is tensioned by the tensioning device, by pretensioning of the spring element, so as to keep the movable electrical conductor pulled into an inoperative position defined by the stop, and wherein, during a setting operation, the movement of the movable electrical conductor further tensions the spring element via the cable, after which the spring element rebounds again to a pretensioned state and pulls the movable electrical conductor back into its inoperative position.

To solve the problem that distances between camera modules are narrow and mutual magnetic field interference occurs in a conventional dual camera module.SOLUTION: The lens driving device comprises: a housing; a bobbin disposed in the housing; a magnet and a dummy member arranged at the housing; a first coil disposed on the bobbin; and a board including a second coil facing the magnet. The housing includes a first side portion and a second side portion facing each other, and a third side portion and a fourth side portion facing each other. The magnet includes a first magnet unit disposed at the first side portion, a second magnet unit disposed at the third side portion, and a third magnet unit disposed at the fourth side portion. The dummy member is disposed at the second side portion.SELECTED DRAWING: Figure 3

The invention relates to an active vibration isolation system having a magnetic actuator. The magnetic actuator comprises a coil carrier having at least one coil, which coil carrier extends contactlessly into a magnet carrier, so that the latter is designed as a linear motor. The magnetic actuator is provided with a magnetic shielding which has an opening through which the coil carrier projects into the magnet carrier.