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JP6429985B2 |
To provide a motor-operated valve that can stop a rotor relative to a stopper by a simple configuration, in other word, can accurately and reliably conduct positioning of a base point of the rotor.A motor-operated valve includes: a valve...
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JP2018182914A |
To hold a pointer of a meter at the initial position even after a current supplied to a stepping motor is interrupted and reduce the uneven rotation of the stepping motor.A stepping motor according to an embodiment includes a stopper, a ...
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JP2018182959A |
To provide a motor capable of using a permanent magnet having thin wall thickness even if an outer diameter of a part projecting out from a stator of a rotary shaft is made to be smaller, and capable of suppressing an increase of surface...
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JP2018182808A |
To reduce the uneven rotation of a stepping motor.A stepping motor according to an embodiment includes a rotor having a magnet, a first stator having a coil and forming an excitation vector in a first phase, a second stator having a coil...
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JP2018182793A |
To reduce the uneven rotation of a stepping motor.A stepping motor according to an embodiment includes a rotor having permanent magnets multipolar magnetized in a circumferential direction, a first stator having a coil in a first phase a...
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JP2018182792A |
To maintain the contact state between a stopper and a contact part of a rotor and hold a pointer of a meter at the initial position even after a current supplied to a stepping motor is interrupted.A stepping motor according to an embodim...
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JP2018532367A |
This device includes a rotor casing (1), a rotor shaft (2) with male threads mounted inside the rotor casing (1), and a magnet (3) mounted outside the rotor casing (1). The telescopic shaft (4) comprises a telescopic shaft (4) and relate...
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JP6414115B2 |
A stepping motor includes a rotor, a stator and three coils. The rotor is two-pole magnetized in a radius direction. The stator is provided with a rotor receiving section for receiving the rotor. The three coils are magnetically connecte...
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JP2018527880A |
This device is a stator composed of a plurality of pole pieces formed by injection molding by overmolding, and a columnar connecting portion protruding outward is provided on the edge of one of these pole pieces. With the stator being; w...
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JP2018148646A |
To increase the change of mutual inductance.A permanent-magnet motor includes: a rotator having a rotating shaft and a rotor magnet to which a plurality of N poles and S poles are alternately magnetized in an outer periphery; first and s...
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JP6390099B2 |
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JP2018137890A |
To easily ensure a space for housing a member required for the rotation.A rotary driving body 1 comprises: a cylindrical case 2; a plurality of coils 3; an annular magnet 6; a cylindrical rotational body 7; and an annular rid part (stato...
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JP2018117407A |
To provide a coil bobbin capable of suppressing occurrence of peeling as well as disconnection of an insulation coating of a coil wire; and provide a stepping motor using the coil bobbin, and a pointer type display device using the stepp...
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JP6355384B2 |
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JP6349516B2 |
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JP6349662B2 |
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JP2018098976A |
To provide a motor in which durability to a high load is increased, and a manufacturing method of the motor.A motor comprises: a metal gear; an axial body rotatably supporting the metal gear while being penetrated to an axial hole of the...
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JP2018516061A |
A switched reluctance machine (SRM) assembly is provided. The assembly comprises a stator having a plurality of stator poles around which a coil is wound around each stator pole. Each of the plurality of stator poles comprises a pluralit...
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JP6343331B2 |
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JP2018085818A |
To provide a stepping motor capable of suppressing vibration of a case in the vicinity of an opening provided in a case in order to project a terminal block radially outward.A stepping motor 1 has a case 3 covering a stator radially outs...
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JP6328948B2 |
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JP6324455B2 |
Disclosed is a step actuator. The step actuator includes a housing; a stator installed in the housing; a rotor positioned radially inward from the stator, the rotor rotating and protruding from one side of the housing; a bearing installe...
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JP6317096B2 |
The double rotor stepping motor (30) has stator (31) having stator contacts, first rotor (32) having first set of teeth distributed at first pitch, and second set of teeth distributed at second pitch, and second rotor (33) having rotor c...
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JP6316714B2 |
A stepper motor includes: a rotor (2) including a rotor core (21,22) and a permanent magnet (23), the rotor core (21,22) including a plurality of teeth (21A,22A); and a stator (3) arranged around the rotor (2) while being spaced apart fr...
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JP6312078B2 |
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JP2018057088A |
To achieve both two kinds of clockwise and anticlockwise meters with high accuracy by one kind of stepping motor.A stepping motor according to an embodiment comprises: a stopper; a rotor that has a contact part contacting with the stoppe...
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JP6301521B1 |
To provide a stator core, a stepping motor and a linear actuator which can be miniaturized while maintaining a rotor diameter. A stepping motor 1 has a rotor 20 and a stator 30, and the stator 30 is arranged so as to face the outer perip...
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JP2018042385A |
To provide a two-phase PM type stepping motor having a high noise reducing effect.A two-phase PM type stepping motor comprises: a rotor; and a stator that surrounds the circumference of the rotor. The rotor is formed by a rotor magnet in...
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JP6284830B2 |
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JP6285623B2 |
There is provided a hybrid stepping motor including a rotor including a plurality of rotor small teeth arranged at an equal pitch on an outer circumferential surface thereof, and a stator including a plurality of salient poles, each incl...
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JP6282891B2 |
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JP2018019561A |
To provide a two-phase hybrid type stepping motor which can be rotated at high speed and is capable of reducing vibration and noise.The present invention relates to a two-phase hybrid type stepping motor comprising: a stator core 2 inclu...
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JP6271784B2 |
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JP6271857B2 |
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JP6265879B2 |
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JP6266412B2 |
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JP6266924B2 |
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JP6256515B2 |
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JP6251666B2 |
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JP6251209B2 |
A hybrid stepping motor has a connector housing formed integrally with an insulator having an upper insulator and a lower insulator. The hybrid stepping motor includes a stator core and output terminals concentrically disposed outside th...
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JP6234702B2 |
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JP2017204927A |
To provide a geared motor capable of suppressing assembly in a state where a gear cannot rotate, even if a stopper mechanism is provided between the gear and a support member, and to provide a pointer type display device.In a geared moto...
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JP6215559B2 |
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JP6208985B2 |
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JP2017163725A |
To provide a motor drive device ensuring high accuracy in the turning angle of an output member, and high resolution in the stop position of the output member.A motor device 100 has a stepping motor 1a, a speed reduction mechanism 3, and...
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JP6195309B2 |
The invention provides a brushless motor. A stator 16 of the brushless motor has a stator core 17 provided with a plurality of salient poles 18 arranged in its a circumferential direction, and a winding wire 20 wound around the plurality...
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JP6192788B2 |
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JP2017153278A |
To achieve an improvement in torque without changing an external dimension of a casing of a hybrid stepping motor.A hybrid stepping motor according to the present invention includes: a rotor receiver (5) rotatably provided between a pair...
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JP6188385B2 |
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JP6190712B2 |
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