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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 ...
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JPH11146625A |
To provide a torque motor which does not allow torque ripples to be produced and is capable of generating stable torque. A plurality of plate magnets 43a, 44a of the same dimensions are placed on the circumference of a rotor core 42 in s...
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JPH11146624A |
To provide a motor which makes torque on the rotor roughly constant within the rotating range of the rotor. The rotor 30 is contained in a stator 40 so as to rotate freely, and consists of a rotor core 32, permanent magnets 33, 34 fixed ...
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JPH11505998A |
PCT No. PCT/FR96/00824 Sec. 371 Date May 15, 1998 Sec. 102(e) Date May 15, 1998 PCT Filed May 31, 1996 PCT Pub. No. WO96/38904 PCT Pub. Date Dec. 5, 1996An electromagnetic actuator has four positions which are stable in the absence of a ...
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JP2880280B2 |
An angular single-phased electromagnetic actuator including a stator structure constituted of a first magnetic stator part and a second magnetic stator part connected exclusively by a non-magnetic spacer. A movable member including a thi...
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JPH1169748A |
To provide a torque motor in which the torque generation angle can be enlarged without increasing the volume of a magnet. The torque motor 40 comprises a rotor 41, a stator core 45, and a pair of solenoid parts 50, 55. The rotor 41 compr...
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JPH1155907A |
To contrive weight and cost reduction by reducing the volume of a magnet. For this electromagnetic driver, all of the moving member are magnetized in the same direction in the case that the moving material 1 includes one or more magnetiz...
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JPH1132468A |
To provide a torque motor which can obtain desired peak torque at an arbitrary rotational position with a simple constitution by reducing the using amount of magnets in the motor. The using amount of magnets in a torque motor 40 is reduc...
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JPH118963A |
To impart high stability for the operating position of a rotor by providing a stator with means for urging the rotor electrically and controlling electromagnetic torque and magnetostatic torque according to different functions, depending...
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JPH10288054A |
To provide a throttle valve control device capable of manufacture easily and at low cost. Each of magnetic poles 46 and 47 is formed with a group of magnets each of which comprises four flat plate-shaped permanent magnets 46a and 47a, an...
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JP2814146B2 |
The motor provided includes a unique laminated stator core and a means for changing the continuity of the magnetic circuit. The stator core structure is split into two part-cylindrical elements which define spaces between their opposing ...
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JP2792970B2 |
The device comprises an electrical actuator (2), a current source (35), a actuating unit (37) having a limited operating range, and a control unit (41). The actuator comprises a first actuator body having two diametrially opposed magneti...
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JPH10508408A |
An actuator comprises a permanent magnet body (1) and coil means for cooperation with the magnet body. The magnet body is rotatable about an axis of rotation (7) between, for example two, stop positions. The coil means exclusively compri...
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JPH10178769A |
To enable a U-shaped stator having a small diameter and a light weight to generate a very high overload torque in a short period by constituting the stator in such a way that the first section of the stator forms the yoke of the stator a...
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JP2573859Y2 |
An electromagnetic motor of the finite rotational type has an improved rotor-returning mechanism for exerting a magnetic force to return its rotor to the initial angular position in a non-excited condition. The rotor-returning mechanism ...
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JPH10504876A |
PCT No. PCT/EP95/02764 Sec. 371 Date May 29, 1996 Sec. 102(e) Date May 29, 1996 PCT Filed Jul. 14, 1995 PCT Pub. No. WO96/03301 PCT Pub. Date Feb. 8, 1996An electromechanically actuated disc brake system for motor vehicles comprising a f...
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JPH1073178A |
To obtain a linear motion operation device for a control member which has a simple structure with a low cost, and improves resolution of linear motion of the control member. A linear motion operation device for a control member has a rot...
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JP2665313B2 |
A reaction force generating apparatus is provided which generates a reaction force for a rotationally operated member to be manually or mechanically operated. An alternating motor is provided that has a stator with three-phase coils; a r...
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JPH09191622A |
To effectively use the winding space by easily winding an excitation coil to a magnetic pole of the laminated core in an actuator. A rotor 4 having a magnet 8 is inserted into a rotating shaft 7, a shaft inserting hole 11 allowing rotata...
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JPH09504398A |
A high speed non-contact beam scanning device sized and shaped to provide the ergonomic benefits of a pen or wand, yet can scan a wide angle moving beam across an information-bearing target in one or two dimensional scan patterns such as...
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JPH09502857A |
PCT No. PCT/EP94/01785 Sec. 371 Date Dec. 4, 1995 Sec. 102(e) Date Dec. 4, 1995 PCT Filed Jun. 1, 1994 PCT Pub. No. WO94/29945 PCT Pub. Date Dec. 22, 1994Electromagnetic actuator with rotary core, comprising, housed in a casing: a magnet...
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JPH08285567A |
To ensure the linearity of a measurement signal and to reduce the chance for changing a device when exchanging a lot by virtually constantly retaining the contact force of a movable detection mechanism over the total measurement range of...
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JPH0826649A |
PURPOSE: To save installation works, prevent the safety fence from being moved and falling down, and thereby enhance safety. CONSTITUTION: The safety fence installation is provided with a trolley 20 having a front and a rear fixing mecha...
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JPH082168B2 |
PURPOSE:To apply exciting coils to a laminated core stator easily to utilize winding spaces efficiently and, further, hold a permanent magnet at a constant position and reduce the size. CONSTITUTION:A rotor 4 having a magnet 8 is attache...
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JPH0744817B2 |
Limited angle torque motor (1) includes a motor power section (2) comprising a rotor assembly (3) having one or more permanent rotor magnets (5) which are magnetized in a diametrical direction and a stator assembly (10) surrounding the r...
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JPH0759328A |
PURPOSE: To expand the adjustment region of a stepping motor by a method, wherein 1st windings are applied to control phases and the other windings are applied to separate phases which have predetermined rotation angles from the control ...
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JPH0624417B2 |
A sector shaped support (2a1, 2a2; 2b1, 2b2) is provided to a housing (3) to fixedly support a disc shaped stationary core (1; 12a, 12b; 17) which is provided within the housing (3), and a coil (4a, 4b; 15) is fixed to a shaft (5; 14a, 1...
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JPH0614772B2 |
A 2-pole limited angle torque motor (1) including a rotor assembly (2) having one or more permanent magnets (5) which are magnetized in the diametrical direction and a stator assembly (3) having a pair of stator magentic pole blades (22,...
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JPH0565749B2 |
A combined torque motor and rotary flow control valve unit (10) incorporating a torque motor (12) and a rotary flow control valve (14). The unit (10) includes an enclosure member (70) surrounding a rotor (38) of the torque motor (12) and...
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JPH0564543B2 |
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JPH0550224B2 |
An electromagnetic rotary driving device including a rotor of a permanent magnet arranged in a hole formed in a bored stator core block of a stator core, made from magnetic material. The air gap formed between the bored block of the stat...
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JPH0543756U |
[Purpose] In order to improve the performance of the torque motor, for example, it is necessary to make the magnetic gap between the annular iron core and the magnet rotor as narrow as possible. For that purpose, it is necessary to elimi...
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JPH05133706A |
PURPOSE:To provide a high precision phase sensing actuator with high reliability from a smaller number of component parts. CONSTITUTION:When a steering shaft 23 is turned from a steering wheel 24, the torque is transmitted to a pinion sh...
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JPH0511641B2 |
PCT No. PCT/US87/00730 Sec. 371 Date Oct. 20, 1987 Sec. 102(e) Date Oct. 20, 1987 PCT Filed Mar. 25, 1987 PCT Pub. No. WO87/06051 PCT Pub. Date Oct. 8, 1987.A two-axis force motor (10) has an armature (12) mounted within a body (11) for ...
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JPH04355645A |
PURPOSE: To facilitate the stoppage of a rotor at a position where a starting torque can be generated while the aggravation of vibration in an axial direction created at the time of rotation is avoided. CONSTITUTION: An erected part 26 e...
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JPH04275053A |
PURPOSE: To provide a motor fitted with standstill retaining torque mechanism free of maintenance, which has retaining torque with noncontact without energy input from outside at the standstill of the motor. CONSTITUTION: It is so consti...
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JPH0498879U |
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JPH04234539A |
PURPOSE: To eliminate wear, to achieve a long service life of a servomotor, and to set the accurate position of a throttle valve for a long period of time by using an asynchronous motor with a short-circuit rotor as the servomotor in a t...
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JPH04229059A |
PURPOSE: To obtain a large torque by fitting magnetic pole members formed of a ferromagnetic material to both polarities of a permanent magnet, to contribute to the generation of a force for generating movement of the permanent magnet to...
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JPH04500449A |
A compact torque motor providing bi-directional, limited angle reactionless torque to opposed structures. A motor (10, 150) includes an X-shaped core (12), and first and second pole pieces (14 and 16), which are disposed at opposite side...
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JPH0394075U |
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JPH0311183B2 |
The invention relates to an electric motor (1) and specially a motor arrangement comprising four such motors. It is an object of the invention to provide a motor and a motor arrangement, respectively, which in an optimal way as regares t...
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JPH0242046Y2 |
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JPH02122567U |
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JPH02502782A |
PCT No. PCT/FR88/00635 Sec. 371 Date Aug. 23, 1989 Sec. 102(e) Date Aug. 23, 1989 PCT Filed Dec. 22, 1988 PCT Pub. No. WO89/06063 PCT Pub. Date Jun. 29, 1989.An electric motor comprises a stator element made of magnetic material, a movin...
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JPH02188155A |
PURPOSE: To minimize generation of reverse torque by winding an exciter coil around two out of three stator teeth having identical dimensions. CONSTITUTION: A first actuator body 1 comprises a permanent magnet rotor 5 having N and S pole...
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JPH02142344A |
PURPOSE: To prevent abrasion of both pole teeth by exciting only such poles as corresponding to pole teeth having phase shift. CONSTITUTION: An output shaft is directly coupled with a rotor 5 and many pole teeth 6 are made in the outer c...
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JPH0217854A |
PURPOSE: To obtain smooth operation characteristics, by a method wherein, together with a spring device which applies a bias pressure to a rotor toward a nonoperating state, the limiter of the spring device and a device for generating an...
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JPH022376B2 |
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JPH0119533B2 |
An electric motor arrangement designed for use in an apparatus for measuring the consistency of a material comprises first and second rotary electric motors (12, 14) interconnected with their axes of rotation coaxial such that the stator...
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