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WO/2024/088509A1 |
A hollow core stepper motor (1) comprising a stator (2) and a rotor (3) configured to rotate relative said stator (2) around an axis (A). The rotor (3) comprises at least one circular array of permanent magnets (4) and the stator (2) com...
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WO/2024/048007A1 |
[Problem] To provide a stator unit and an electric valve by which it is possible to prevent electromagnetic waves emitted from a stator and to prevent a malfunction of an operation of an electronic component, and to provide a manufacturi...
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WO/2024/042242A1 |
The present invention relates to an actuator for positioning a pivoting member comprising a housing (100) provided with a base (105) closed by a cover (106) housing a single electric motor (110), the shaft (124) of the rotor (113) of whi...
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WO/2024/005287A1 |
The present invention relates to an orientation adjustment apparatus and method, which are an orientation adjustment apparatus and method for adjusting the orientation of an object through feedback control. An orientation adjustment appa...
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WO/2023/238645A1 |
[Problem] To provide an electric valve control device and an electric valve device which can relatively easily detect that the rotation of a magnet rotor has been regulated. [Solution] This electric valve control device controls an elect...
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WO/2023/223190A1 |
The invention concerns a two-phased stepper motor (100) comprising a central shaft (1), two electromagnetic coils (3), two ferromagnetic stators (2A, 2B), each accommodating an electromagnetic coil (3), a rotor (4) rotationally fixed on ...
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WO/2023/164883A1 |
A yoke-winding-based multi-pole and multi-speed direct-current stator, which is composed of a stator iron core and armature windings, and may constitute an electric motor with a rotor, an electrode, a bearing component, a shell, a contro...
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WO/2023/119006A1 |
The invention concerns a modular conveyor transport unit for components, comprising a conveyor frame (9), a transport wheel (4) arranged to engage with a conveyor belt, and a two-phase hybrid stepper motor (1) comprising a stepper rotor ...
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WO/2023/068932A1 |
The present invention relates to a motor system, a stepper motor and a rotor therefor. More in particular, the present invention relates to detecting, in a motor system, an angular position of a rotor of an electric stepper motor. The mo...
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WO/2023/062857A1 |
The present invention adds a sweep hand movement function to an analog electronic timepiece. The angular speed of a hand movement step motor, the rotor of which is provided with an inertia, is controlled. A step motor model calculates th...
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WO/2023/043940A1 |
A retention structure can be created using two or more different materials (e.g., one magnetic material, and one non-magnetic material) as a composite structure. The retention structure can include a cylindrical hoop comprising one or mo...
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WO/2023/025939A1 |
Miniaturized rotary actuator, comprising a stator layer (12) with electromagnetic actuation coils (3) spaced axially around a rotation axis of a rotor (8) comprising a permanent magnet; a stacked magnetic flux modulator layer (4) forming...
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WO/2023/019645A1 |
Disclosed in the present invention is a transmission mechanism for a stepper electric motor; and further disclosed are a stepper electric motor having the transmission mechanism for a stepper electric motor, and a drive mechanism having ...
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WO/2022/265519A1 |
A reluctance motor is presented. The reluctance motor comprises a rotor and a stator, where the stator comprises two end stators and at least one stator mid plate (4, 23) with stator mid plate teeth (13, 23A, 23B), and the rotor comprise...
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WO/2022/264615A1 |
[Problem] To provide a stator unit and an electric valve by which it is possible to mitigate the entry of moisture into the internal space of a yoke as well as mitigate disconnections in a coil, and to provide a manufacturing method for ...
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WO/2022/229957A1 |
A switched reluctance rotary electrical machine comprises a rotor extending along a rotary axis and one or more stators with yokes distributed around the rotary axis. The yokes are hollow and open at one end, the hollows and openings bei...
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WO/2022/154945A1 |
A two-phase bipolar step motor comprises a rotor (41) having a plurality of pairs of rotor poles (43) of alternating (N and S) magnetic polarity, and a stator (45) having four primary energizable stator poles (46-49) with conductive wind...
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WO/2022/053688A2 |
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 rota...
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WO/2022/051065A1 |
A two-phase stepper motor (91) with a permanent magnet (PM) rotor (41, 93) and a modified hybrid-type stator (61, 92) is provided. The modified hybrid stator can be manufactured for smaller motor sizes because it employs shoeless, straig...
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WO/2022/034965A1 |
Disclosed is a filter replacement device which can replace a filter in a radioactivated structure. The filter replacement device comprises: a body; an articulated manipulator provided at one side of the body and having five degrees of fr...
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WO/2022/023159A1 |
The invention relates to a reluctance motor device, in particular a synchronous axial-flux reluctance motor device, comprising at least one rotor unit (16) and at least one stator unit (14), wherein the stator unit (14) is designed to ro...
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WO/2022/023158A2 |
The invention relates to an electric motor device (10a, 10a'), in particular an axial-flux reluctance motor device, comprising at least one rotor unit (12a, 12a'), which is designed to be at least partly rotated about a rotational axis (...
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WO/2022/023154A1 |
The invention relates to a rotor device (10) for an electric motor (50), in particular for an axial flux reluctance motor, comprising at least one rotor unit (12) which is provided to be made to move in a rotational movement about an axi...
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WO/2022/020226A1 |
A variable reluctance stepper motor comprises a stator (11) and a rotor (41) that is rotatable relative to the stator. The stator comprises an annular outer yoke (20) with a set of circumferentially spaced stator poles (13) at equal angu...
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WO/2022/018274A1 |
The invention relates to an actuator (1) comprising an electric motor (2) having a stator (20) and a rotor (21) that can be rotated relative to the stator (20) about an axis of rotation (D). The stator (20) comprises an inner stator part...
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WO/2021/260809A1 |
A stepping motor (1) is provided with a claw pole stator core (3), and the stator core (3) uses a punched core (31). The punched core (31) comprises: a belt-like portion (41) corresponding to the back yoke portion (24) of the stator core...
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WO/2021/247413A1 |
A miniature step motor (11) has a permanent magnet rotor (13, 81, 91) and a hybrid stator assembly (15). The rotor has one or more rotor sections or pieces (13, 85-86, 95-97) with a pair of magnetic poles on opposed circumferential surfa...
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WO/2021/243738A1 |
Disclosed is a stepping electric motor (100), comprising a rotor (1) and a plurality of stators (2) arranged around the rotor (1), wherein a cylindrical voice coil (21) and a coil (22) wound around the outer side of the voice coil (21) a...
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WO/2021/215117A1 |
This brushless motor comprises a stator, and a rotor that is arranged facing the stator and that can move in a prescribed movement direction. The stator has: a plurality of main poles; a winding for each main pole; a plurality of stator ...
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WO/2021/201301A1 |
A stator core of a motor includes a disk part, and a pole teeth yoke. The disk part has a disk shape surrounding a vertically extending central axis, and extending radially outward. The pole teeth yoke is disposed along a radially outer ...
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WO/2021/201302A1 |
This motor includes a stator, and a retaining member. The stator surrounds a central axis extending in a vertical direction. The retaining member extends axially, and retains the stator. The stator has a stator core that is a magnetic bo...
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WO/2021/202699A1 |
A fluid moving apparatus (12) includes an electric motor (24) having a rotor (42) and a stator (44) and a fluid displacement member (34). The rotor (42) rotates relative to the stator (44) on a common axis (CA) to generate a rotational o...
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WO/2021/201300A1 |
The present invention is a stator, in which a disk part has a first protruding section that protrudes outward in the radial direction. Viewed in the radial direction, the first protruding section is arranged between a first claw tooth an...
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WO/2021/174592A1 |
Provided in the present application is a stepper motor, the motor comprising: a housing and a stator and a rotor that are accommodated within the housing; the stator is disposed surrounding the rotor; the rotor comprises a magnetically c...
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WO/2021/152559A1 |
The present invention provides a stepper motor based linear actuator with cooling feature, comprising of a housing (1); a stator assembly (2); a rotor assembly (3); a sealing jacket (4) for separating stator assembly from rotor assembly;...
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WO/2021/152560A1 |
The present invention relates to a stepper motor based linear actuator with no step loss and position feedback of rotor assembly. The present invention provides an electrically controlled linear actuator to adjust engine idle air control...
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WO/2021/092644A1 |
AC motor rotates independent from power frequency gives advantages in size and controllability. Oscillating and rotating magnetic field is created across airgap by using Amplitude Modulated input. Higher frequency (Carrier) is the power ...
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WO/2021/068993A1 |
A composite motor having high-precision positioning, comprising: a housing (1), a rough positioning assembly, a hollow output shaft (2), a fine positioning assembly, a power switching apparatus and a controller (6). A stepper motor (3) i...
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WO/2021/015621A1 |
An optical element exchange unit, has a rotatable wheel e.g. with different filters. The wheel has first soft magnetic teeth protruding from a soft magnetic part of the wheel at even angular offset along at least part of a ring around a ...
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WO/2020/226859A1 |
An electric motor comprises a stator and a rotor having a specified number of rotor poles that magnetically interact with the stator so as to rotate in relation to the stator, The stator is a slotted stator with a specified number of sta...
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WO/2020/221784A1 |
The invention relates to an expansion valve (1), - having a housing (4), a sensor (29), a stepping motor (6) or a BLDC motor, a valve seat (7) and a valve body (8) interacting therewith, - wherein the stepping motor (6) or the BLDC motor...
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WO/2020/158327A1 |
Provided is a motor in which the occurrence of looseness occurring between a bobbin and a stator can be reliably suppressed regardless of the gap in which variation occurs. Specifically, projection portions 7b2 provided at two places in ...
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WO/2020/094844A1 |
An actuator for connecting and disconnecting a dog clutch having an axially moveable sleeve (3), the actuator (4) comprising an electric motor (6), wherein a rotor (61) of the motor is connected to a rotatable actuator rod (7), which is ...
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WO/2020/090249A1 |
This motor according to an embodiment is provided with a shaft that serves as a rotating axis, a rotor, bearings, and a spring member. The rotor is fixed to the shaft. The bearings are arranged facing the rotor in the rotating axis direc...
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WO/2020/074947A1 |
The technical result consists in utilizing direct, short interactions between a static field and a dynamically changing field. A method for converting magnetic and electrostatic field energy into mechanical energy consists in using one o...
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WO/2019/246575A1 |
A motor and a method of operating the motor uses an encoder disk attached to the rotor of the motor and an encoder reader positioned to optically obtain rotational information of the rotor. The encoder disk and the encoder reader are loc...
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WO/2019/204356A1 |
A switched reluctance machine exhibiting reduced noise and vibration, the machine comprising at least one rotor arranged to rotate about a central axis, the at least one rotor comprising a set of rotor poles arranged about the central ax...
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WO/2019/198565A1 |
Provided is a motor unit equipped with a structure in which the position of a substrate is specified with respect to a case member in which a motor and the substrate are housed. Specifically, the motor unit is provided with: a motor body...
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WO/2019/198564A1 |
Provided is a substrate unit in which a reduction in the positional accuracy of a connection terminal mounted on a substrate can be suppressed. This substrate unit is provided with a substrate, and at least one connection terminal which ...
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WO/2019/185712A1 |
The invention relates to a reluctance motor (16) comprising a rotor (18) rotating about a longitudinal axis (100) and an individual stator, the rotor (18) comprising a toothing on a surface close to the stator, and the stator comprising ...
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