| Document |
Document Title |
|
JP2002136044A |
To provide a drive device for an adjustment member, which guarantees a short changeover time and has a small average energy consumption as well, over operating time of the adjustment member.An adjustment unit comprises an electric motor ...
|
|
JP2002125356A |
To provide a torque motor which can generate torque in both the forward direction and reverse direction, as uniformly as possible.This torque motor has a rotor 14, to which permanent magnets 12 and 13 are attached, a yoke 15 surrounding ...
|
|
JP2002089295A |
To provide a drive unit using a torque motor providing a prescribed torque relative to an appropriate rotation position.This drive unit is provided with a torque motor 10 to be a drive source, a gear train transmitting the rotation from ...
|
|
JP3263072B2 |
A device for providing angular displacement of an axis in a direction selected from the X or Y direction or rotational movement about the Z direction with respect to the axis. The device comprises a magnetic core element which produces a...
|
|
JP3250860B2 |
PURPOSE: To provide a single phase electromagnetic rotary driver capable of high speed angular motion especially employed for valve control. CONSTITUTION: The single phase electromagnetic rotary driver has an angular stoke of 70°/N-110Â...
|
|
JP2001303986A |
To provide a throttle valve assembly, a torque motor assembly and a manufacturing method for increasing a winding area of a thin plate laminated body relative to the predetermined dimensions of a motor. The motor-driven throttle valve as...
|
|
JP2001516859A |
The present invention discloses an electromechanically operable disc brake for automotive vehicles which is comprised of a floating caliper and an actuating unit arranged on the caliper. The actuating unit includes an electric motor whic...
|
|
JP3210668B2 |
A compact beam scanning information readout device and method for reading bar code or other information requires little or no orientation of the information to be scanned by virtue of its raster or omni directional scan capabilities. Onl...
|
|
JP3199813B2 |
PURPOSE: To obtain a rotor which can be accelerated quickly and has a small diameter and inertia by providing a cylindrical magnetic rotor and two coil sections so that a symmetrical surface can be formed through the shaft of the rotor b...
|
|
JP2001182561A |
To provide a throttle device capable of increasing durability of a bearing of a shaft turned with a throttle valve and increasing torque for turning the throttle valve without enlarging the diameter of a torque motor. Two rotors 40, 60 a...
|
|
JP2001178101A |
To provide a high magnetic device of a servo motor by eliminating a reduction gear of conventional gears and cams, generating high torque without friction, and improving the chucking performance.Sandwich structure of magnetic and nonmagn...
|
|
JP2001161056A |
To provide an improved biaxial type pointing motor.There is provided an improvement of a biaxial pointing motor 20 including a frame 21 and an armature 22. The armature 22 has the axis x-x passing the point P. The armature 22 is mounted ...
|
|
JP2001145322A |
To provide a small torque motor capable of reducing man-hours for manufacturing by producing four or more stator poles with a single coil. A rotor 41 consists of a rotor core disk 42 pressedly fixed to a throttle shaft, and rotor magnets...
|
|
JP2001112288A |
To provide a method of positively determining failure due to a peeled magnet in a motor whose magnet is attached onto the outer periphery of a rotor. By comparing the accumulated value of currents when the rotational angle of a rotor is ...
|
|
JP2001069695A |
To obtain high torque at fully-open and fully-closed times, when a torque motor actually requires torque. A rotatable rotor 5-1 and at least one magnetic force source are integrally built in with a magnetic path in-between. Magnets 6-3 a...
|
|
JP2001054272A |
To provide a torque motor for increasing generated torque without increasing a size. An outer stator core 50 surrounds outside in a vertical direction with respect to the peripheral direction of a rotor 41 with a nearly constant sectiona...
|
|
JP2000341927A |
To provide a torque motor that generates larger torque without mak ing it larger.A torque motor 40 includes a rotor 41, an outside circumferential stator core 50, an inside circumferential stator core 55 and a coil part 60. Groups 45, 46...
|
|
JP2000262030A |
To provide a torque motor which is easy to assemble and has smooth and flat torque characteristic. A rotor core 41 is made elliptic in the cross section which is orthogonal to the rotation axis of the case 41. A permanent magnet 43 is fo...
|
|
JP2000253637A |
To provide a torque motor which increases torque without increasing a supply current. Protrusion and recess formed on the inner peripheral wall of a stator core 20 are formed by protrusions 21a, 21b protruding toward the rotor 40 side an...
|
|
JP2000240474A |
To prevent runaway of an engine due to circuit trouble by regulating the driving range of a throttle valve driven by a first driving means consisting of an electrode actuator to a prescribed low opening range by a second driving means fo...
|
|
JP2000232742A |
To provide a torque motor which can be assembled easily and has a smooth flat torque characteristic. Outer peripheral circular arcs 42b and 43b of permanent magnets 42 and 43 are made off-centered from a rotor core 41 by a distance (d) a...
|
|
JP3075580B2 |
A fluorine-containing cation exchange membrane for electrolysis, which comprises a first layer of a fluorine-containing polymer having cation exchange groups and reinforced with a porous base material and a second layer of a fluorine-con...
|
|
JP2000161086A |
To make a motor-driven throttle assembly compact and lightweight, to improve responsiveness and to dispense with calibration after installation.A throttle valve assembly 110 is provided with a throttle shaft 18 with a part extended outwa...
|
|
JP2000152590A |
To manufacture a high performance rotary electromagnetic actuator having a finite stroke at low cost by coupling a fixed part comprising a stator magnetic circuit having 2N poles (N is an integer) and an exciting coil with a movable part...
|
|
JP2000152533A |
To provide a torque motor having a flat torque characteristic. A rotor 41 comprises a rotor core 42 and magnet group 44 and 45 provided on the outer periphery of opposite side of the radial direction of a rotor core 42. Recesses 43 axial...
|
|
JP2000152697A |
To provide a torque motor for obtaining smooth torque characteristics, without generating torque ripples. If a current is attempted to be controlled to develop a nearly constant torque within the specific rotary angle range of a rotors a...
|
|
JP2000152587A |
To provide a torque motor with flat torque characteristics. Magnet groups 43 and 44 are respectively composed of a plurality of flat plate magnets 43a and 44a which have identical dimensions and are bonded to the outer circumference of a...
|
|
JP2000139067A |
To provide a torque motor capable of decreasing the length of a conductor to the cross section of the core member of a coil part. A torque motor 20 is provided with a rotor 30, a stator core 40, and a coil. The cross section of the iron ...
|
|
JP3041675B2 |
To provide an oscillatory motor in which the rotational angle of the rotor can be detected accurately. A rotor 1 is a two pole magnet in the radial direction and comprises a semitubular magnet. Drive coils 5a, 5b are wound uniformly arou...
|
|
JP2000116095A |
To provide throttle equipment which can cause a vehicle to run at a specified speed for evacuation, when the vehicle has failures.A coil section of a torque motor is made by winding a primary coil 52 and a sub-coil 53 around an iron core...
|
|
JP2000504496A |
An electrical actuator for a throttle device has a stator and a rotor, the rotor being coupled to the throttle device and comprising a permanent main magnet. The stator includes in axially extending slots therein auxiliary permanent magn...
|
|
JP2000092808A |
To provide a torque motor which can surely stop at a prescribed rotational angle when the motor is not energized. The edges of the magnetic poles of a second stator 60 are formed at positions where the edges are shifted from the edges of...
|
|
JP2000078822A |
To provide a torque motor which has flat torque property. For the teeth parts42 and 43 of a stator core 40, ramps 45 and 44 are made at the stator core 40 so that the length may be gradually increasing in axial direction of the rotor fro...
|
|
JP2000069734A |
To provide a method of detecting a coating film and an ion implantation device used for the method. A DC torque motor 10 has a stator 24 which is attached to a base 12 in a cantilever manner and a cup-shape rotor 56 coupled with the stat...
|
|
JP2000060176A |
To generate flat state in the torque characteristic of a brushless motor. When the number of poles (number of slots) of a stator is 6 and a number of poles (number of permanent magnets) of a rotor is 8 in a three-phase brushless motor, t...
|
|
JP2000032731A |
To provide a torque motor and a fluid pressure controller, capable of attaining size reduction, sufficient torque characteristics, and easy assembly. This torque motor 12 includes a yoke 24 having lower yokes 18, 20 and an upper yoke 22,...
|
|
JP2000014063A |
To provide a torque motor which can surely fix and protect the permanent magnet of a rotor with a simple structure. This torque motor is provided with a cover 35 made of a metal of magnetic material such as iron, around a rotor. The cove...
|
|
JP2000014062A |
To provide a torque motor which can fix and protect the permanent magnet of a rotor with simple structure. This torque motor is provided with a cylindrical cover 35 such that it covers the permanent magnets consisting of permanent magnet...
|
|
JPH11356029A |
To make it possible to detect the present position of a driven member with accuracy, by calculating the position of the moving member from a magnetic flux density detected by a magnetic flux density detecting means and a magnitude of cur...
|
|
JPH11341774A |
To provide a minimum mass of electric torque motor which is capable of giving adequate torque for application to the throttling of an engine, and the manufacture cost of which is reduced. A torque motor 10 has a rotor 15, which has a plu...
|
|
JPH11341873A |
To provide a method for amplifying an output torque by an electric torque motor of a system, such as vehicle electronic throttle control system or the like. When a throttle plate T of an electronic throttle system and its periphery are f...
|
|
JPH11313472A |
To provide a torque motor which prevents the detachment of a permanent magnet, without increasing the number of item parts. A rotor 40 is provided with a rotor core 41 and permanent magnets 47a, 48a arranged on the rotor core 41, The rot...
|
|
JPH11299208A |
To provide a torque motor with a flat torque characteristic. Of the permanent magnets 43a and 44a, arranged on the outer periphery of a rotor core 42, the three magnets 43a and 44a in the first half of rotating section in which the opene...
|
|
JPH11299209A |
To reduce the number of parts used in a torque motor and to surely stop the rotor of the motor at an intermediate position, when the conduction to the coil section of the motor is turned off. A rotor 41 is constituted of a rotor core 42 ...
|
|
JPH11285221A |
To provide a torque motor which is capable of staining smooth torque characteristics without generating torque ripples. One of the poles of a rotor 41 is formed by a group of magnets 43, 46, which consists of a plurality of flat plate ma...
|
|
JPH11266575A |
To provide a torque motor for preventing a permanent magnet from dropping as well as for reducing its manufacturing cost. A rotor 30 has a rotor core 31 and two permanent magnet groups fixed to an outer periphery of the core 31 with an a...
|
|
JPH11252848A |
To improve reliability of a positioner by disposing walls covering the outside of an armature which passes through a coil case or a coil case cover, at the coil case and coil case cover, respectively. In this torque motor, partition wall...
|
|
JPH11252888A |
To prevent the stress of a horseshoe-shaped magnet from being exerted on laminated yokes, by forming projected bodies on a coil case and a coil case cover, bring the projected bodies into contact with the bent portion inside the magnet, ...
|
|
JPH11206093A |
To increase a torque developed in the later period of rotation. A stator core 45 is formed of tooth parts 46 and 47 which surrounds the outer circumference of a rotor 41 and used as a pair of poles, and an arm unit 51. If an angle betwee...
|
|
JPH11206092A |
To widen an angle range in which a torque is developed, while not generating torque ripples. A rotor 41 consists of a core 42 and permanent magnet groups 43 and 44 which consist of 6 flat plate permanent magnets 43a and 44a respectively ...
|
