H02K33/10

Linear vibration motor

A linear vibration motor includes a fixed portion, a movable portion, and a suspension portion; the fixed portion further includes an outer frame, a coil set, a conductive sheet set, a connecting circuit and a terminal; the movable portion includes a bracket, a primary magnet set, at least a secondary magnet set; the suspension portion includes a pair of elastic members connected to the fixed portion and the movable portion, and provides a restoring force when the movable portion is displaced; the coil set and the primary magnet set provide a driving force to drive the movable portion to generate vibration; the conductive sheet set and the secondary magnet set provide damping when the movable portion moves.

Spring oscillation electromagnetic cradle
10820720 · 2020-11-03 ·

An electromagnetic cradle includes a support frame, a fixed unit mounted on the support frame, a movable unit mounted on the fixed unit, and an electromagnetic device secured on the support frame. The fixed unit includes two fixed rods secured on the support frame. Each of the fixed rods is provided with two mounting sleeves each of which is provided with a fixed tube. The movable unit includes a bed and two movable blocks. Each of the movable blocks is provided with two tracks, and the fixed rods extend through the tracks of each of the movable blocks. At least one spring is biased between each of the tracks and the respective fixed tube. At least one magnet is mounted is mounted on one of the movable blocks.

Spring oscillation electromagnetic cradle
10820720 · 2020-11-03 ·

An electromagnetic cradle includes a support frame, a fixed unit mounted on the support frame, a movable unit mounted on the fixed unit, and an electromagnetic device secured on the support frame. The fixed unit includes two fixed rods secured on the support frame. Each of the fixed rods is provided with two mounting sleeves each of which is provided with a fixed tube. The movable unit includes a bed and two movable blocks. Each of the movable blocks is provided with two tracks, and the fixed rods extend through the tracks of each of the movable blocks. At least one spring is biased between each of the tracks and the respective fixed tube. At least one magnet is mounted is mounted on one of the movable blocks.

LINEAR VIBRATION MOTOR
20200313531 · 2020-10-01 ·

The disclosure provides a linear vibration motor, comprising: a fixed portion, a movable portion, and a suspension portion; the fixed portion further comprises an outer frame, a coil set, a conductive sheet set, a connecting circuit and a terminal; the movable portion comprises a bracket, a primary magnet set, at least a secondary magnet set; the suspension portion comprises a pair of elastic members connected to the fixed portion and the movable portion, and provides a restoring force when the movable portion is displaced; the coil set and the primary magnet set provide a driving force to drive the movable portion to generate vibration; the conductive sheet set and the secondary magnet set provide damping when the movable portion moves.

LINEAR VIBRATION MOTOR
20200313531 · 2020-10-01 ·

The disclosure provides a linear vibration motor, comprising: a fixed portion, a movable portion, and a suspension portion; the fixed portion further comprises an outer frame, a coil set, a conductive sheet set, a connecting circuit and a terminal; the movable portion comprises a bracket, a primary magnet set, at least a secondary magnet set; the suspension portion comprises a pair of elastic members connected to the fixed portion and the movable portion, and provides a restoring force when the movable portion is displaced; the coil set and the primary magnet set provide a driving force to drive the movable portion to generate vibration; the conductive sheet set and the secondary magnet set provide damping when the movable portion moves.

Linear Vibration Motor
20200212775 · 2020-07-02 ·

The present invention provides a linear vibration motor, including a base with an accommodating space, and a vibration unit located in the accommodating space. The vibration unit includes a weight, a containing groove, and a number of coil assemblies in the containing groove. The motor further includes a magnet at least partially accommodated in the containing groove and disposed opposite to the coil assembly, and an elastic piece for suspending the vibration unit. The coil assembly includes an iron core and a coil wound around the iron core. The magnet is magnetized along the vibrating direction, the coil assembly is magnetized along a direction perpendicular to the vibration direction, and the magnetic poles of the coil assembly adjacent to the magnet are the same and are disposed opposite to each other. By virtue of the configuration disclosed by the present invention, the vibration performance is improved.

Linear Vibration Motor
20200212775 · 2020-07-02 ·

The present invention provides a linear vibration motor, including a base with an accommodating space, and a vibration unit located in the accommodating space. The vibration unit includes a weight, a containing groove, and a number of coil assemblies in the containing groove. The motor further includes a magnet at least partially accommodated in the containing groove and disposed opposite to the coil assembly, and an elastic piece for suspending the vibration unit. The coil assembly includes an iron core and a coil wound around the iron core. The magnet is magnetized along the vibrating direction, the coil assembly is magnetized along a direction perpendicular to the vibration direction, and the magnetic poles of the coil assembly adjacent to the magnet are the same and are disposed opposite to each other. By virtue of the configuration disclosed by the present invention, the vibration performance is improved.

Magnetic propulsion engine
10615678 · 2020-04-07 ·

An assembly configured to generate a propulsive force through a plurality of magnets. The assembly includes a rod having a center disk comprised of non-magnetic materials and configured to receive an electromagnet and a plurality of coaxial magnetic disks configured for selective movement about the rod when a magnetic field is generated by the electromagnet.

Magnetic propulsion engine
10615678 · 2020-04-07 ·

An assembly configured to generate a propulsive force through a plurality of magnets. The assembly includes a rod having a center disk comprised of non-magnetic materials and configured to receive an electromagnet and a plurality of coaxial magnetic disks configured for selective movement about the rod when a magnetic field is generated by the electromagnet.

ACTUATOR

An actuator is provided. In order to reduce the planar area of an actuator, a first magnetic drive circuit and a third magnetic drive circuit that vibrate a movable body in an X direction with respect to a support are provided respectively on both sides, in a Z direction, of a second magnetic drive circuit that vibrates the movable body in a Y direction with respect to the support. The movable ranges, in the X direction and the Y direction, of the movable body with respect to the support are regulated by a stopper mechanism constituted between a first magnet and a first coil holder holding a first coil, a stopper mechanism constituted between a second magnet and a second coil holder holding a second coil, and a stopper mechanism constituted between a third magnet and a third coil holder holding a third coil.