H02K26/00

Two-dimensional motor and servo valve

A two-dimensional motor and a servo valve are provided. The two-dimensional motor includes a stator and a rotator arranged coaxially. The stator is enclosed in the rotor. The stator and the rotor are spaced along a radial direction of the rotor. A size of the stator along an axial direction is greater than a size of the rotor along the axial direction. The rotor is, without bearing support, directly connected to an external mechanism. The rotor is swung at a predetermined angle, such that the external mechanism can drive the rotor to move along an axial direction of the rotor relative to the stator.

DUAL AXIS MOTOR
20190356206 · 2019-11-21 ·

A dual axis motor a first epicyclic gear, a second epicyclic gear, a rim gear, an inner rotor, an outer rotor, a brake and a stator assembly. The second epicyclic gear is operative to mesh with the first epicyclic gear and move in around the first epicyclic. The inner rotor is fixedly connected to the first epicyclic gear. The outer rotor fixedly is connected to the second epicyclic gear. The stator assembly spaced from the inner rotor by a first gap and spaced from the outer rotor by a second gap. The motor provides a resultant torque to driven device. The resultant torque is provided by the inner rotor, outer rotor, the brake, or by sudden deceleration of one or more elements within the dual axis motor. The gear ratio provided by the first and second epicyclic gear allow for an enhanced speed range while providing high starting torque.

DUAL AXIS MOTOR
20190356206 · 2019-11-21 ·

A dual axis motor a first epicyclic gear, a second epicyclic gear, a rim gear, an inner rotor, an outer rotor, a brake and a stator assembly. The second epicyclic gear is operative to mesh with the first epicyclic gear and move in around the first epicyclic. The inner rotor is fixedly connected to the first epicyclic gear. The outer rotor fixedly is connected to the second epicyclic gear. The stator assembly spaced from the inner rotor by a first gap and spaced from the outer rotor by a second gap. The motor provides a resultant torque to driven device. The resultant torque is provided by the inner rotor, outer rotor, the brake, or by sudden deceleration of one or more elements within the dual axis motor. The gear ratio provided by the first and second epicyclic gear allow for an enhanced speed range while providing high starting torque.

Galvanometer Drive with Multi-Layer Permanent Magnets
20190341834 · 2019-11-07 ·

The invention relates to a galvanometer drive comprising a rotor (3) which is rotatable about a rotational axis (2) and is formed, at least in one section, by a permanent magnet (4), and a stator (5) which surrounds the permanent magnet (4) and includes a coil. According to the invention, the permanent magnet (4) comprises at least two magnetic layers (10) and at least one electrically insulating intermediate layer (11) arranged between the two magnetic layers (10). Moreover, the invention relates to a manufacturing method for a rotor (3) of a galvanometer drive (1), which is designed as a permanent magnet (4). According to the invention, multiple magnetic layers (10) are connected to one another in an integrally joined manner to form a blank and/or the outer contour of the blank is subsequently reworked, in particular mechanically, in order to form the rotor. The invention also relates to a deflection unit for deflecting a laser beam, comprising an optical deflection element, in particular a mirror, and comprising a galvanometer drive (1) connected to the optical deflection element, with the aid of which the deflection element is bidirectionally rotatable through a limited rotation range.

Galvanometer Drive with Multi-Layer Permanent Magnets
20190341834 · 2019-11-07 ·

The invention relates to a galvanometer drive comprising a rotor (3) which is rotatable about a rotational axis (2) and is formed, at least in one section, by a permanent magnet (4), and a stator (5) which surrounds the permanent magnet (4) and includes a coil. According to the invention, the permanent magnet (4) comprises at least two magnetic layers (10) and at least one electrically insulating intermediate layer (11) arranged between the two magnetic layers (10). Moreover, the invention relates to a manufacturing method for a rotor (3) of a galvanometer drive (1), which is designed as a permanent magnet (4). According to the invention, multiple magnetic layers (10) are connected to one another in an integrally joined manner to form a blank and/or the outer contour of the blank is subsequently reworked, in particular mechanically, in order to form the rotor. The invention also relates to a deflection unit for deflecting a laser beam, comprising an optical deflection element, in particular a mirror, and comprising a galvanometer drive (1) connected to the optical deflection element, with the aid of which the deflection element is bidirectionally rotatable through a limited rotation range.

SYSTEMS AND METHODS FOR PROVIDING WOBBLE REDUCTION IN GALVANOMETERS
20240128833 · 2024-04-18 ·

A limited rotation motor system is disclosed that includes a stator within a housing, a rotor rotatably coupled within the stator by a first bearing system at a proximal end and a second bearing system at a distal end, each of said first bearing system and said second bearing system being coupled at an inner side thereof to the rotor and being coupled at an outer side thereof to the housing, a compression system applying a compressive force between the first bearing system and the second bearing system in an axial direction, and a damping system adjacent any of the first bearing system and the second bearing system, said damping system providing that divergent forces resulting from the compressive force that diverge from the axial direction are absorbed by the damping system

Homing mechanism for automated footwear platform
10463109 · 2019-11-05 · ·

Systems, methods, and apparatus related to a homing mechanism within a drive mechanism of a lacing engine for an automated footwear platform are described. In an example, the homing apparatus can include an indexing wheel, a plurality of Geneva teeth and a stop tooth. The plurality of Geneva teeth can be distributed around a portion of a perimeter of the indexing wheel. Each Geneva tooth of the plurality of Geneva teeth can include side profiles conforming to a first side profile that generates a first force when engaged by an index tooth on a portion of the drive mechanism. The stop tooth can be located along the perimeter of the indexing wheel between two Geneva teeth. Additionally, the stop tooth can include side profiles conforming to a second side profile that generates a second force when engaged by the index tooth.

Rotary solenoid drive control method
10469008 · 2019-11-05 · ·

A movable body portion Sm is configured to reciprocate in a rotation angle range Zm between a first position Xa and a second position Xb according to energization control of a driving coil 6 and to be stopped at the first position Xa and the second position Xb by a pair of self-holding mechanisms 11a and 11b by restriction of a pair of restricting stopper mechanisms 10a and 10b and attraction of magnets 8a and 8b. when controlling switching from the second position Xb (or the first position Xa) to the first position Xa (or the second position Xb), after a driving voltage based on a driving pulse Ps is applied to the driving coil 6, if the movable body portion Sm has reached a predetermined intermediate position Xp in 10 to 50[%] of the rotation angle range Zm, control is performed so that application of the driving voltage is stopped.

Rotary solenoid drive control method
10469008 · 2019-11-05 · ·

A movable body portion Sm is configured to reciprocate in a rotation angle range Zm between a first position Xa and a second position Xb according to energization control of a driving coil 6 and to be stopped at the first position Xa and the second position Xb by a pair of self-holding mechanisms 11a and 11b by restriction of a pair of restricting stopper mechanisms 10a and 10b and attraction of magnets 8a and 8b. when controlling switching from the second position Xb (or the first position Xa) to the first position Xa (or the second position Xb), after a driving voltage based on a driving pulse Ps is applied to the driving coil 6, if the movable body portion Sm has reached a predetermined intermediate position Xp in 10 to 50[%] of the rotation angle range Zm, control is performed so that application of the driving voltage is stopped.

SERVOVALVE
20190331256 · 2019-10-31 ·

There is provided an apparatus comprising a torque motor comprising a spring, armature, flapper assembly (SAFA), a body, wherein the spring, armature, flapper assembly is mounted onto the body, and a cap enclosing the spring, armature, flapper assembly. One or more cooling passages are provided within the body and are configured to receive cooling air and direct the cooling air onto the spring, armature, flapper assembly of the torque motor.