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JP2021150972A |
To provide a stator by which a magnetic flux can be easily obtained from a rotor magnet and sufficient strength can be obtained.A stator includes: a magnetic plate material for the stator in which a through hole for a rotor is formed and...
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JP2021122171A |
To provide a stepping motor capable of simultaneously grinding outer peripheral surfaces of a rotor core and a sensor rotor.The present invention relates to a stepping motor comprising a stator 130 and a rotor 140 in a front flange 110 a...
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JP6916838B2 |
To provide a stepping motor and a wiring board for motor capable of downsizing in comparison with the conventional ones and reducing the risk of a short circuit in a wiring pattern.A stepping motor has a rotor 22, a stator 24 arranged ar...
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JP6917286B2 |
To rigidly attach a stator 21 to a can by reducing flexure in an axis line L direction of a bracket 1 for fixing the stator 21 to the can 40, according to a motor-operated valve for which the stator constituting a motor part is attached ...
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JP2021112040A |
To provide a PM type two-phase stepping motor that is made thinner and can be lower in vibration/noise.A stepping motor 10 includes in this order: a rotor 14 having a magnet magnetic pole 34 multipolar magnetized in a circumferential dir...
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JP6883008B2 |
To enable a stator body 1 to be attached to a valve body 3 having a case 31 for housing a magnet rotor 32 with a simple structure.A fixing member 2 comprises: a bracket plate 21 which contacts with a bottom part 1B of a stator body 1; an...
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JP2021083243A |
To provide a stepping motor capable of fixing a distance between a pole tooth of an A-phase stator part and a peripheral component in a radial direction of a rotor and a distance between a pole tooth of a B-phase stator part and the peri...
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JP6877190B2 |
Noise caused by a gap between a rotor and a plate can be suppressed even when there are dimensional variations in members or assembly states. In a configuration of a stepping motor including front side and end side stator assemblies (200...
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JP6877991B2 |
To provide a stepping motor in which vibration reduction in an axial direction of a motor rotary shaft is sufficiently enhanced.The stepping motor includes: a rotor having a rotary shaft and having north poles and south poles arranged al...
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JP2021078174A |
To prevent a press-fit load of a rotor from being reduced by a press-fit fixing part even in the case where an oil sneaks into an inner peripheral surface of an output shaft before inserting the rotor to the output shaft.An output shaft ...
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JP2021078216A |
To provide a stepping motor capable of suppressing damage in a terminal pin.A stepping motor 2 includes: a motor body 20 having a rotor 21 rotating about a central axis and a stator 22 surrounding the rotor from outside in a radial direc...
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JP6869738B2 |
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...
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JP6869666B2 |
To provide a stepping motor 100 that can efficiently induce a magnetic flux generated from a rotor 101 to a first coil 103a and a second coil 103b, and that has a high yield.A stepping motor comprises a stator 102. In the stator 102, at ...
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JP2021067536A |
To suppress oil from wrapping around to the inner circumference of an output shaft before a rotor is inserted into the output shaft.An output shaft 637 is of a cylindrical shape having an insertion hole 637a into which a rotor 4 is inser...
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JP2021058037A |
To provide a stator unit in which a yoke is properly positioned.There is provided a stator unit according to an embodiment of the present invention in which a plurality of stator coils 45 are assembled in the axial direction and coated w...
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JP2021045022A |
To achieve both the accuracy of detecting a placement angle by a magnetic sensor and the strength of a gear for a gear member used in a geared motor.A geared motor includes a gear member in which a metal portion and a resin portion are i...
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JP6843008B2 |
To provide a compact stepping motor which reduces an occupied area in a planar view by reducing expansion of a stator magnetic path part for guiding magnetism that is generated in coils, and a compact electronic apparatus using the stepp...
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JP2021029073A |
To provide a coil assembly capable of forming slack on a coil wire without increasing an assembly cost, and a stepping motor using the same.A coil assembly includes: a bobbin 232 having flange units 233 and 234 at both ends; a plurality ...
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JP6830343B2 |
To provide a rotor and a motor capable of providing an appropriate amount of adhesive between a bush for fixing a rotor magnet on a rotary shaft and an inner peripheral surface of the rotor magnet.In a motor 1, a rotor 10 includes: a cyl...
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JP2021019489A |
To make a circuit for excitation unnecessary and accurately determine the phase of a rotor to a stator by a simple method.In an end plate integrated with a rotor and a stator, a positioning unit is formed in a position with the same radi...
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JP2021016217A |
To provide a stepping motor capable of enlarging the degree of spatial freedom of a stator part with respect to the periphery.In a stepping motor 1, each of a plurality of stators 30 disposed while being overlapped in a motor axis direct...
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JP2021016219A |
To provide a stepping motor capable of suppressing the distortion of a rotary shaft between magnets even in the case where a permanent magnet of a rotor is constituted of a plurality of magnets.In a stator part 3 of a stepping motor 1, e...
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JP2021016216A |
To provide a stepping motor capable of properly projecting out a terminal block outward in a diametrical direction even if a diameter of a stator is reduced.In a stepping motor 1, each of a plurality of stators 30 disposed so as to overl...
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JP2021010287A |
To provide a step-out detection device capable of detecting step-out of a stepping motor with an optically simple and low-cost configuration.A step-out detection device includes a base, a stepping motor fixed to the base, a shaft member ...
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JP6817136B2 |
To provide a vehicular display device that allows a movable body to move to a desired position while suppressing vibrations.The vehicular display device comprises: a storage part; a movable body, arranged inside the storage part, which c...
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JP2021005911A |
To provide a compact driving device which can stably transfer a force from a motor to a movable member.A driving device 1 comprises a flame 10 which has a pair of hook parts 14, 15 engaged with a guide shaft 60, a leadscrew 30 rotatably ...
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JP6814169B2 |
To provide a 5-phase hybrid type stepping motor capable of taking effective noise countermeasure for a wide range of stator structures.A 5-phase hybrid type stepping motor includes a rotor having a pair of rotor cores each having a presc...
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JP2020195183A |
To provide a motor in which a structure for suppressing interference between the magnetic flux of an A-phase stator set and the magnetic flux of a B-phase stator set.In a motor 1, a non-magnetic layer 70 is disposed between an annular pl...
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JP2020191750A |
To provide a motor that can suppress the protrusion of a bearing from an end plate to the outside in the axial direction of the motor.In a motor 1, an end plate 8 is fixed to the end on the opposite output side La of a stator 4, and a be...
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JP2020191751A |
To provide a motor capable of expanding a winding space of a coil wire between pole teeth of a stator core and a tubular part.In a motor 1, an outer stator core 44B has pole teeth 45 and a tubular portion 442 projecting in the same direc...
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JP2020191723A |
To enable verification of operation of a motor unit used for a valve device for adjusting a flow rate of a fluid even when a valve is not mounted.A motor unit comprises: a motor as a driving source; a shaft body that makes forward and ba...
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JP2020191749A |
To provide a motor in which a bearing can be appropriately disposed at an end of a stator.In a motor 1, an end plate 8 is fixed to an end of a non-output side La of a stator 4, and a bearing 9 is fixed to the end plate 8. When a radially...
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JP6790131B2 |
A stepper motor driver for mechanical engineering mechanical engineering includes a bottom plate, and a placing slot formed on the upper surface of the bottom plate. Both sides of the inner wall of the placing slot inner wall are fixed b...
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JP6774681B2 |
Provided are a coil device that considerably reduces the man-hours and the cost for manufacturing, and a motor-driven valve and a solenoid valve including such a coil device. The terminal end of the magnet wire 20 is fixed to a conductin...
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JP6767350B2 |
The invention provides a stator for an electric valve and the electric valve. In an electric valve in which a stator constituting a motor section is attached to a valve device in which a housing section (40) that houses a magnetic rotor ...
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JP2020167922A |
To provide a hybrid stepping motor using an axial direction coil, which can be communicated in order to correct a magnetic field generated by a rotor in an operation.A bipolar hybrid stepping motor 12 includes a stator 16 having a primar...
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JP2020162233A |
To provide a stepping motor which has excellent antimagnetic properties and which can be downsized.A stepping motor includes a movement part 6 including a rotor 2 and a stator 3, an antimagnetic part 7 that magnetically shields at least ...
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JP6758467B2 |
To provide a stepping motor, a manufacturing method of a stepping motor, a timepiece movement, and a timepiece, in which power consumption can be reduced (power saving) and which can improve the stability of a rotor rotatably driven by u...
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JP6733593B2 |
A step motor that drives a rotary body to rotate includes: an output shaft that outputs a rotational driving force to the rotary body, the output shaft having an insertion hole in which the rotary body is arranged so as to be integrally ...
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JP6732392B2 |
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 ...
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JP2020114166A |
To provide a stator capable of reducing holding torque that acts on a rotor.A stator 21 includes: a magnetic body 30 having a through hole 31; a magnetic resistance portion 33, provided around the through hole 31, for generating a magnet...
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JP6721725B2 |
An automotive single-phase electrical motor of a claw pole type includes a rotating motor rotor which rotates around a rotating axis, a stator defined by a pair of annular stator bodies, and a stator coil arrangement which magnetizes the...
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JP2020099169A |
To provide a motor drive device allowing a motor to detect a rotation phase of a rotor with a magnetic sensor to stably output a torque.In a motor drive device for outputting a combined output of a first motor 101 and a second motor 102,...
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JP6706483B2 |
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...
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JP2020089101A |
To provide a motor which suppresses the generation of an over current in a magnetic circuit.A motor 20 comprises: a rotor 21 having a magnet 21a in which an outer peripheral surface is alternately magnetized to a S pole and an N pole; a ...
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JP2020072556A |
To provide a motor capable of increasing an external diameter size of a coil provided in a second coil bobbin, even when a wall portion projecting in a second coil bobbin side from a first coil bobbin is provided.In a motor, when a first...
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JP2020061828A |
To provide a motor having no possibility of generating an abnormal noise caused by an outer stator core being fixed to a motor case and not moving anymore.In a stepping motor 1, end plate portions 8a1, 8b1 of outer stator cores 8a, 8b ar...
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JP2020054060A |
To provide a motor in which supporting a rotary shaft end that can be rotated by an anti-output-side bearing mechanism is inhibited by an adhesive agent.In an outer circumferential surface of a rotary shaft 2, a spiral groove 2a is forme...
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JP2020054029A |
To provide a hybrid type stepping motor 1 that can reduce inertia without reducing torque.A first rotor core 11 comprises: one end wall 11a extending from a revolving shaft 4 in the radial direction at the end of the front side in a Z-ax...
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JP2020054127A |
To provide a motor in which a winding wire can be routed stably, and interference between the winding wire and another member can be avoided.Provided is a motor including a coil bobbin having a cylindrical trunk and flange portions on bo...
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