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Patent Searching and Data


Matches 1,301 - 1,350 out of 16,090

Document Document Title
WO/1985/002069A1
The commutator electric motor comprises a stator winding (7), a tacho-generator winding (9) and an annular permanent magnet (6) of a rotor. The permanent magnet (6) is so magnetized in an axial direction that it has two sets of alternati...  
WO/1985/001130A1
The interlocking device for stepping motor comprises a position detector comprised of an electret (4) which is integral with the rotor (1) of the stepping motor, of a fixed electrode (5) and of a detection circuit (6) responsive to the i...  
WO/1985/001158A1
In the electric machine, particularly an electric switch brushless direct current motor or tacho generator, preferably with permanent magnetic excitation and cold air-gap, the coils of the air-gap are divided into at least two partial co...  
WO/1984/003400A1
Electromotive machine of the type having a stator (14) and a rotor (15). The stator is provided with multiple sets of windings (quadrants 1:4, Fig. 1), each independently electrically coupled to an electrical means to establish separate ...  
WO/1984/003007A1
Improved brushless direct current (DC) motor for use in various applications, including disk drives in data processing applications. The improved motor includes a rotor portion (12), containing a ring magnet (22) with alternately radiall...  
WO/1984/002810A1
A three-phase brushless motor having magnetoelectric transducers for detecting the rotational position of a rotor (2) having a plurality of magnetizable regions, two of the magnetoelectric transducers being disposed in such a positional ...  
WO/1984/001863A1
A brushless direct current motor with the rotating magnet cup (43) permanently attached to the spindle hub (11). After attachment, the combination spindle hub and magnet cup are affixed to a shaft (10) and the resulting subassembly is dy...  
WO/1984/001477A1
A tachometer assembly for use with electrical rotary magnetic motors. The assembly includes a conventional brushless DC motor (12) having a radially polarized main field ring magnet (24) forming the rotor (16) about a stator (18). The ta...  
WO/1984/001062A1
The electric machine (1) comprises for the obtention of an excitation field at least one pair of permanent magnetic poles and at least one conductor track (7) which may be circulated by an electric current. The pair of magnetic poles is ...  
WO/1983/004146A1
Arrangement of a DC drive motor and a DC generator in an annular, flat DC motor generator. A conventional motor generator has drawbacks such as the requirement of a large installation space, an overall complicated apparatus, and a low ge...  
WO/1982/002803A1
A brushless, preferably coreless, DC motor or generator characterized by a positive, unidirectional, nearly constant torque. The machine in a preferred form comprises a rotor disc (16, 18) mounted for rotation with a shaft (2) and a stat...  
WO/1982/002619A1
An electric motor, for instance of limited angle type for driving a servo-actuator, has two or more motor units each including a wound stator within each of which is a respective rotor carrying spaced permanent magnets, the rotors being ...  
WO/1982/001252A1
In a D. C. generator type non-contact speed sensing device comprising a cylindrical rotor (1) with the magnetic N and S poles (N, S) alternating around the periphery and a stator (2) disposed confronting the rotor (1), the magnetic poles...  
WO/1982/001074A1
In a D.C. generator type non-contact speed sensing device including a cylindrical permanent magnet rotor (1) with N and S poles alternating around its periphery, a stator (2) with output windings (4) wound thereon confronting the rotor (...  
WO/1982/000548A1
A rotor position sensor comprises an armature (1) with signal sectors (5) and magnetic shunts (6) following one another and a stationary unit (7) provided with permanent magnets (8), each of them adjoining a magnetic circuit (9) with a p...  
WO/1981/001633A1
A motor system provides from a primary power source mechanical energy to an output shaft. The system has a plurality of electromagnetic devices (67A, 69A) mounted around a rotor for magnetically rotating it. A magnetic clutch (70, 72, 82...  
WO/1980/001898A1
The motor (72) includes a stator affixed to a motor housing (14).The stator has two sets of series connected coils (39a, 39b) (39c, 39d) wound in quadrature. Each set of coils is disposed in an annular configuration about a spin referenc...  
WO/1980/001525A1
In a direct current motor without collector provided with a permanent magnet rotor (11), a magnetisation of the rotoric poles (N, S) is used which differs considerably from the sinusoidal form. In addition to the main winding (35-47) use...  
JP2021052455A
【課題】磁気センサの磁束検出面を正確に位 置決めすることができ、出力の低下や、振動 、騒音の発生を抑制することができるブラシ レスモータを提供する。【解決手段】本...  
JP2021048741A
【課題】回転軸の動作を検出可能な歪みセン サを備えるモータを提供する。【解決手段】 モータ1は、回転軸11を回転させるモータ 本体10と、回転軸11の回転を検出す...  
JP2021048743A
【課題】回転軸の位置を検出可能なセンサを 備えるモータを提供する。【解決手段】モー タ1は、回転軸11を回転させるモータ本体 10と、回転軸11の回転を検出するセ...  
JP2021048742A
【課題】回転軸の動作を検出可能な歪みセン サを備えるモータを提供する。【解決手段】 モータ1は、回転軸11を回転させるモータ 本体10と、回転軸11の回転を検出す...  
JP6848705B2
To provide a motor which enables improvement of detection accuracy of a rotation angle, and to provide a motor manufacturing method and a processing device.A motor includes: a motor part having a stator and a rotor which can rotate relat...  
JP2021045015A
【課題】軸方向への大型化及びコストアップ を抑制できるブラシレスモータを提供する。 【解決手段】複数の巻線28に形成される渡 り線52−1〜9が、いずれも円環部3...  
JP6843983B2
An electric motor is provided. The motor includes a first body, a second body, a magnetic ring disposed in the first body, a position sensing assembly disposed in the second body, and a mechanical limit mechanism disposed between the fir...  
JP6841189B2
To provide a brushless motor in which rotation of a rotor can be controlled while the rotation direction of the rotor is accurately detected.The brushless motor includes three magnetism detection units 70 for detecting magnetism generate...  
JP6838840B2
A brushless motor 1 used as a power source for an electric power steering system, the brushless motor 1 having a stator 2 and a rotor 3. The stator 2 is provided with twelve teeth 8 and two systems of windings 6 wound around the teeth 8,...  
JP6838411B2
A brushless motor (10) includes; a stator (12); a rotor (14) having a rotor magnet (22) arranged radially outward of the stator (12); a metal center piece (18) that has a plate-like portion (38) disposed opposing the stator (12) at one s...  
JP6837561B2
An embodiment relates to a sensing magnet assembly and a motor including the same, the sensing magnet assembly comprising: a sensing plate; a sensing magnet disposed on the plate; and an adhesive tape disposed between the sensing plate a...  
JP6831637B2
A structure of a motor which is capable of enhancing a sensing efficiency and a structural reliability is provided. Particularly, a sensing unit for a motor and a motor including the sensing unit which has a rotating shaft, a sensing pla...  
JPWO2020026408A1
The motor (1) has a rotor (2), a stator (3), and a magnetic pole position detecting element (4) for detecting the position of a magnetic pole of the rotor (2). The rotor (2) has a resin magnet (21) having a first orientation (R1) and a s...  
JP2021016228A
To secure the roundness of an insulator mounted on a stator core, accurately position the circumferential position and axial height of the stator magnetic pole of the stator core and a Hall element of a circuit board, and to perform wiri...  
JP6828996B2
A motor has a stator, a rotor, an end cover assembly installed on an axial end of the stator and the rotor. The rotor includes a shaft. The end cap assembly includes an end cap, a cover, and a circuit board arranged between the cover and...  
JP2021013252A
To provide a motor capable of keeping a manufacturing cost low. A motor 1 includes a stator 3, a rotor 2, and a sensor substrate 41. The stator 3 includes a plurality of coils 31 and an iron core 34. The iron core 34 includes a plurality...  
JP2021013250A
To provide a motor in which dust does not easily enter into a gap between a rotor and a stator. A motor 1 includes a stator 3, a rotor 2, and a cover 51. The rotor 2 is arranged inside the stator 3 via a gap 6 with the stator 3. The roto...  
JP6814866B2
The present invention concerns a DC motor (1) comprising: a continuous rotation rotor (3); a first inductor (A) characterised by first parameters; a second inductor (B) characterised by second parameters; a voltage supply unit (9); a mea...  
JP2021501550A
The present invention relates to an automotive electric fluid pump having an electronically rectified brushless electric drive motor (12), wherein the drive motor (12) has a motor shaft (32) and at least two rotor poles (36).1、363), An...  
JPWO2019244243A1
The motor (10) includes a rotary shaft (20), a rotor (30) that rotates integrally with the rotary shaft (20), a stator (40) located on the outer peripheral side of the rotor (30), and a rotary shaft (20). A bearing (51) for supporting th...  
JP6791013B2
To provide a biaxial-integrated type motor which easily improves detection accuracy of a detection part that detects a rotational angle of a rotor.A biaxial-integrated type motor comprises: a detection part that includes a first detectio...  
JP6783635B2
A drive device for motor-actuated displacement of a movable component part of a motor vehicle includes: a housing tube in which is arranged a rotary electric motor having a rotor with a radially magnetized permanent magnet; a supporting ...  
JP6780855B2
To provide a servo actuator that can detect a rotation position of a rotator as an absolute value while achieving high torque characteristics and can be downsized to save wiring.The servo actuator comprises: a rotator comprising a perman...  
JPWO2019167152A1
The motor is a single-phase motor having a rotor having a plurality of magnetic poles and a stator surrounding the rotor. The stator has a yoke extending so as to surround the rotation axis of the rotor, a plurality of teeth extending in...  
JP2020162386A
To provide a brushless motor or the like capable of preventing a sensor magnet from coming off a yoke.The brushless motor includes: a magnetic sensor 51 provided on a stator side; a rotary shaft with a main magnet fixed to the outer peri...  
JP2020162399A
To provide a brushless motor capable of being made thinner while being equipped with a magnetic rotary encoder.The brushless motor has: a rotary shaft; a rotor including a rotor yoke located around the rotary shaft and a magnet holder fo...  
JP2020162367A
To provide a motor having a structure capable of suppressing an adhesion of a foreign matter to a sensor magnet.A motor comprises: a rotor 20 that can be rotated around a center axis J; a stator 30 that is positioned at a radial directio...  
JP2020162366A
To provide a motor having a structure capable of suppressing the deterioration of detection accuracy of a magnet sensor.A motor comprises a stator 30 having a plurality of coils 33 mounted onto a stator core 31, and positioned at a radia...  
JP2020162388A
To provide a positioning device or the like capable of easily adjusting a mutual positional relationship between a sensor magnet and detection means for detecting a magnetic field generated by the sensor magnet.A positioning device 500 i...  
JP2020156263A
To reduce a manufacturing time and costs of a resolver stator by making a seal surface of a seal plate of the resolver stator a molded surface without a parting line.A resolver stator includes: a stator body portion 1A that has a stator ...  
JP6740975B2
This hydraulic pressure control device is provided with: a housing having a motor mounted to a surface on one side thereof and which has an oil passage formed thereinside; a case which is mounted to a surface on the other side of the hou...  
JP6740865B2
To provide a brushless motor that can improve redundancy.A motor 14 comprises: a first magnet 32 on one end face in the axial direction; a rotor 21 having a second magnet 33 on the other end face in the axial direction; a first stator 22...  

Matches 1,301 - 1,350 out of 16,090