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Matches 1 - 50 out of 9,313

Document Document Title
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...  
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 ...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
WO/2019/171369A1
A stepper motor comprising: a stator and a rotor; a plurality of N greater than two electromagnets mounted to the stator or to the rotor, each of the electromagnets comprising a core having at least one contact surface, wherein the at le...  
WO/2019/053329A1
Method for transmitting electric energy, the method comprising on the primary side (1) at least one charging energy source and at least one converter (4), and also on the secondary side (2) more than one electric energy storage (8) for t...  
WO/2019/055937A1
An electromagnetic actuator for non-continuous rotation (cogging-torque actuator (CTA)) (100) comprises a support structure (116), an output shaft (104) rotatable about and defining an axis of rotation (X), a permanent magnet rotor (106)...  
WO/2019/043643A1
The present disclosure discloses a micromotor (100) for a timepiece. The micromotor (100) comprising: a base plate (106) configured to support components of the timepiece. A stator assembly (103) comprising a stator (103a) mounted on a b...  
WO/2018/201854A1
Provided is a stepping motor, comprising a stator core (1), a rotor core (4), and a magnetic steel (6). The stator core (1) is evenly provided with a plurality of stator main poles (2) in a circumferential direction, and an inner end of ...  
WO/2018/190028A1
A step motor that rotationally drives a rotating body (4) comprises: an output shaft (637) that outputs rotational drive force to the rotating body and has an insertion hole section (81) having the rotating body inserted thereto so as to...  
WO/2018/190027A1
A step motor (6) comprising a motor main body (63) that applies rotational drive force to a rotating body (4); a motor casing (60) housing the motor main body; and a motor base plate (64) holding the motor casing. The motor base plate ha...  
WO/2018/176294A1
A hollow motor (10) comprises a rotor assembly (11), a stator assembly (13), and a positioning assembly (15). The rotor assembly (11) rotates around a rotating shaft (111) and comprises an inner wall (112) surrounding the rotating shaft ...  
WO/2018/173378A1
Provided are: a coil device in which it is possible to greatly reduce the number of manufacturing steps, the manufacturing cost, etc.; and a motorized valve and a solenoid valve in which the coil device is used. The terminal end of a mag...  
WO/2018/159807A1
The purpose of the present invention is to suppress noise due to a gap between a rotor and a plate even when there are dimensional variations in members or assembly states. In a configuration provided with: front-side and end-side stator...  
WO/2018/147311A1
The purpose of the present invention is to provide a technology of having a stator and a front housing in a stable positional relationship without causing a cost increase. A linear actuator (100) is provided with: a stator yoke (115) hav...  
WO/2018/122702A1
A brushless stepper motor is described comprising a first and a second stator (11, 12); and a rotor disc (1) that is rotatable about a rotation axis (Y). The rotor comprises two faces; and is interposed between the first and second stato...  
WO/2018/105626A1
One embodiment of the motor of the present invention comprises: a rotor having a shaft disposed along a center axis extending in one direction; and a stator disposed radially outside the rotor. The stator has: a stator core having an ann...  
WO/2018/046585A1
The invention relates to a motor vehicle lock with a pawl (2), with a lock mechanism (4) and with an electric setting arrangement (5) for setting different lock states of the lock mechanism (4), wherein the setting arrangement (5) has a ...  
WO/2018/033025A1
Provided are an electronic expansion valve (100), a control system, and a control method, comprising: a step motor (10) and a Hall sensor (3); the step motor comprises a rotor (1) and a stator (2); the rotor comprises a permanent magnet;...  
WO/2018/031936A1
An externally programmable shunt valve assembly that includes a motor having a rotor that is operable in response to an externally applied magnetic field and configured to increase or decrease the working pressure of the shunt valve asse...  
WO/2018/026437A1
A stepper motor driven actuator system is provided. The system includes a stepper motor, a cam, and a gearbox system. The gearbox system operatively connects the stepper motor to the cam. The cam rotates in response to stepping of the st...  
WO/2018/019831A1
The invention relates to an optical device (1) (e.g. for enhancing the resolution of an image), comprising: a transparent plate member (55) configured for refracting a light beam (L) passing through the plate member (55), which light bea...  
WO/2018/005822A1
Embodiments of the subject invention are directed to a homopolar motor and its mechanical coupling with a flywheel rotor. The homopolar motor includes a rotor and no additional bearings, shafts, gears, pulleys, etc., are required to coup...  
WO/2017/215235A1
Provided is a two-phase disc type stepping motor, comprising a housing (5), an end cap, a disc type magnet rotor (4), a toroidal winding (3) and a stator core. The stator core comprises an H-shaped stator core (1) and an I-shaped stator ...  
WO/2017/205502A1
One embodiment is a unique Vernier machine comprising a rotor and a stator. The rotor comprises a back portion and a plurality of permanent magnets. The stator comprises a plurality of ferromagnetic arm structures, a plurality of ferroma...  
WO/2017/013571A3
Electrical actuator (2) comprising a housing (4), a signal processing circuit (6), an encoder disk (26), and a motor (8) comprising a stator (20) with electric coils (38) and a rotor (22) comprising a rotor body (42) and shaft (40) rotat...  
WO/2017/110642A1
Proposed are a motor device in which vibrations in a stator core can be suppressed , and a pointer-type display device. In the case of this motor device, tip parts 230 of first protrusion sections 23, which hold a stator core 60 from ins...  
WO/2017/098203A1
An electric motor comprising: a frame; a rotor assembly comprising a magnet, a bearing assembly, an impeller, and a shaft; and a stator assembly comprising a stator core and a bobbin. The frame has an inner wall and an outer wall, the ou...  
WO/2017/098201A1
An electric motor comprising: a frame; and a stator assembly; the stator assembly comprising a bobbin assembly and at least one c-shaped stator core. The frame comprises at least one lug, the bobbin assembly comprises at least one recess...  
WO/2017/098202A1
A four-pole stator assembly comprising: a bobbin assembly; and two c-shaped stator cores, each c-shaped stator core comprising a back and first and second pole arms extending from the back. The bobbin assembly comprises first and second ...  
WO/2017/088574A1
Disclosed is a stepping motor (71) capable of reducing vibration, having a stator winding assembly (60) with an annular permanent magnet (67). The annular permanent magnet (67) is radially positioned outside a solenoid coil (64) of a sta...  
WO/2017/083956A1
An energy converting device comprising a plate, a shaft coupled to the plate at a rotation point such that a geometric center of the plate is offset from the rotation point, a plurality of actuators arranged about an first actuator surfa...  
WO/2017/082096A1
The purpose of the invention is to provide a motor in which it is possible to efficiently construct a structure wherein a terminal part of a motor body is covered by a terminal cover. This terminal cover (7) is a resin molded article int...  
WO/2017/082097A1
Provided is a geared motor with which a large torque can be obtained without an increase in size. In this geared motor (1), an output member (8) having a helical groove (83) formed in an outer circumferential section is provided between ...  
WO/2017/082099A1
Provided are: a geared motor with which a large torque can be obtained without an increase in size; and a method for producing said geared motor. In this geared motor (1), an output member (8) having a helical groove (83) formed in an ou...  
WO/2017/082098A1
Provided is a motor in which the positional misalignment of a terminal cover provided to a motor body can be suppressed. In a terminal cover (7) fixed to a motor body (40), an engagement plate part (75) extends from a cover part (71), wh...  
WO/2017/072228A1
The present device relates to a rotor assembly, which comprises: a rotor casing (1); a rotor shaft (2) with an external thread, the rotor shaft (2) being installed inside said rotor casing (1); a magnet (3), the magnet (3) being installe...  
WO/2017/050876A1
Stator assembly and stepper drive motor including same The present device relates to a stator assembly, comprising: a stator formed by a plurality of pole pieces by means of injection overmolding, a columnar connection portion protruding...  
WO/2017/033347A1
Provided is a method for fabricating a stepping motor. The stepping motor comprises a rotor comprising a permanent magnet having two poles, an integrated and plate-shaped stator having a rotor hole into which the rotor is inserted and ma...  
WO/2016/113227A9
The invention relates to an electric motor comprising a shaft and at least two plates secured to the shaft. An even number of pairs of solenoids is arranged around the shaft. On either side of the solenoids, one magnet per pair of soleno...  
WO/2017/027009A1
A modular rotary magnetic coupling includes a drive and a driven element each having a plurality of magnets about a circumference thereof. The drive element and the driven element are substantially coaxial with and are rotatably supporte...  

Matches 1 - 50 out of 9,313