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JP3444324B2 |
To achieve the downsizing and light weight of a reducer and to increase its braking capability by fabricating a pipe part facing the inner circumference of a braking drum in a guide frame with a thin plate made of a non- magnetic materia...
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JP3439287B2 |
To provide power without producing hazardous substances like exhaust gas. A frame 1 rotatably supports a driving shaft 2 extending in up-and-down directions of the frame and fixes a central rotating disk 3 thereof. Fixed permanent magnet...
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JP3436271B2 |
PURPOSE: To reduce dragging torque by effectively suppressing the magnetic field leaking to a braking drum through the gap between ferromagnetic plates from a magnet at nonbraking. CONSTITUTION: A guide tube 10 box-shaped in cross sectio...
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JP3434602B2 |
PURPOSE: To obtain in economical change gear having capacity larger than that of a mechanical coupling, the convenience of electric system, and performance corresponding to that of a variable speed drive system. CONSTITUTION: The change ...
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JP2003220844A |
To change a gear shifting step of a shifting transmission in a vehicle having an electrodynamic drive system.The electrodynamic drive system 2 provided between a drive machine 4 and the shifting transmission 16 in the vehicle comprises a...
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JP2003209965A |
To provide an eddy current speed reducer which has a mechanism for automatically returning a magnet support cylinder to a non-braking position, prevents the occurrence of drag torque at the time of non-braking, and possesses a simple dev...
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JP2003209966A |
To provide an eddy current speed reducer which achieves small rotating force in rotating a magnet support cylinder or a magnet support ring from a non- braking position to a braking position and prevents the occurrence of drag torque at ...
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JP2003521863A |
The invention comprises a retarder system for use with road vehicles. The retarder system discloses an improved vehicular retarder which incorporates the use of a PMG Gear ratio which permits use of a permanent magnet generator on a seco...
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JP2003199283A |
To provide a magnetically coupled motor capable of improving motor efficiency and a pump using the same.In a stator 10, a motor rotor 20 is arranged which comprises a cylindrical motor drive magnet 27 rotatable by a magnetic force genera...
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JP3422122B2 |
PURPOSE: To provide a torque transmission mechanism whose maximum transmission torque is large and inertia mass is small under a low speed rotation state in order to realize a rotation drive mechanism with a low vibration and a quick sta...
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JP2003518897A |
An eddy current retarder having a rotor part of the retarder with symmetry of revolution about the axis of the engine shaft so that it has a peripheral face facing a peripheral face of the stator part, the inductor of the retarder having...
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JP3412640B2 |
PURPOSE: To automatically reset an eddy current type reduction gear to a non- brake position before a vehicle is stopped. CONSTITUTION: A magnet supporting ring 27 comprising a large number of magnets 26 arranged peripherally at a consta...
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JP3411608B2 |
PURPOSE: To allow highly accurate eddy current brake by fixing a plurality of inductors, arranged at a same interval on a circle, rotatably through a mirror plate and disposing an exciting coil through a gap on a drum at yoke part betwee...
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JP3395793B2 |
PURPOSE: To shorten size in the axial direction, to eliminate the need '' a return spring and to hold a support cylinder even at W position of partial braking in the intermediate section of the position of braking and the position of non...
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JP3386559B2 |
PURPOSE: To accurately realize the control of auxiliary drive and the connection switching control of both shafts by a simple structure in a turbocharger provided with an auxiliary driving means wherein a turbo rotary shaft is divided in...
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JP3377007B2 |
PURPOSE:To return a magnet supporting wheel to a nonbraking position by releasing the engagement between a small gear and the partial gear of the magnet supporting wheel at trouble of a motor, etc. CONSTITUTION:Many ferromagnetic plates ...
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JP2003047232A |
To provide an eddy current decelerator whose magnet support cylinder can be made at a low cost and which can use a limited space efficiently for the arrangement of magnets. A guide cylinder 6, made of nonmagnetic material and having a ho...
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JP2003502214A |
A heat generator for reducing emissions includes a permanently magnetized, disc-shaped rotor; a stator axially separated from the rotor and in which the rotor induces electric currents as it rotates to generate heat in the stator; and an...
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JP3366899B2 |
A lightweight regenerative brake having a large braking force is provided. A regenerative brake 1 comprises a brake disc (10) and a pair of stators (20) to perform regenerative braking. This regenerative brake (1) reduces the heat genera...
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JP2003009505A |
To provide a deceleration device capable of attaining high braking power and simplification and downsizing.This device comprises a first rotor 12 which is integrally installed on a rotating shaft 11 and has a plurality of through holes 2...
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JP2003009504A |
To provide a power transmission device capable of reducing manufacturing cost and improving power transmission precision.Permanent magnets 14a, 14b are formed at the outer periphery of an input shaft 12 to magnetize the input shaft 12. A...
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JP2002374666A |
To provide an induction ring for generating a strong magnetic induction force by using a magnet made of a general-purpose material. A clutch operating means comprises a magnetic induction magnet 17, which has a smaller diameter than the ...
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JP3360704B2 |
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JP2002369493A |
To provide an induced current type speed decreasing gear that tolerates the thermal expansion of the column sections of a rotor caused by the heat generated at braking time and can prevent the breakage of the column sections. This induce...
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JP2002354781A |
To obtain an eddy current speed reducing apparatus which effectively utilizes an inner cavity of a guiding cylinder, installs the maximum number of magnets and magnetic pole pieces, lowers the manufacturing cost of a magnet supporting me...
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JP3353107B2 |
To rationally reduce manufacturing costs for very expensive driving magnetic carriages in a conveyer comprising a driving mechanism configured by utilizing the driving magnetic carriages and driven magnetic carriages. This conveyer compr...
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JP2002345232A |
To miniaturize a retarder by adjusting its brake force without moving a stator shaft.This retarder comprises a stator in which stator outer and inner rings each having a plurality of permanent magnets are arranged concentrically and a ro...
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JP2002335667A |
To provide an eddy-current speed reducer wherein the movement thereof is controlled with reliability and ease even if a permanent magnet is located on the rotation side, and in which cylindrical portions of a stator are cooled efficientl...
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JP2002325424A |
To provide an inexpensive reducer where the increase in temperature is small in a rotor, and at the same time, damping force is high.The reducer has a rotor 12 mounted to a rotary shaft 11 integrally, a plurality of through-holes 20 form...
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JP2002325423A |
To provide a magnetic torque induction conversion apparatus that utilizes magnetic field magnetic force in a permanent magnet for rotating a rotor by utilizing the rotation of an inductor, properly and making it continuously carry out ro...
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JP2002315300A |
To suppress drag torque generated during braking off without degradation of a braking force during braking on as much as possible.This single-line revolving eddy current type reduction gear has a structure so that the entire external sur...
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JP2002315298A |
To provide an apparatus of compact size and expand its versatility by integrating a drive unit and a control unit without being influenced by noise.In this internally-mounted structure of a retarder controller of an auxiliary braking sys...
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JP2002315299A |
To prevent the generation of drag torque due to a magnetic leakage during non-braking.One of the peripheral side faces of ferromagnetic plates 7, 36 is made to have recessed faces 25, 43, and the other is made to have protruding faces 26...
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JP2002535562A |
The electric motor drive has at least one freely rotatable fan impeller (2) driven by an electric motor (1). An electromagnetic slip clutch is arranged between the motor shaft (3) and the impeller, and an electromagnetic rpm limiting and...
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JP2002291223A |
To provide a small, economic, simply constituted eddy current speed reducer having a high braking power.The eddy current speed reducer comprises a brake disk 2 coupled to a rotating shaft 1, inner and outer magnet support cylinders 5, 14...
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JP2002291224A |
To obtain a brake torque larger than the one conventionally obtainable without increasing the radial dimension by using magnets having a volume and material equivalent to that of a conventional one.An eddy current speed reducer comprises...
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JP2002291222A |
To provide a light, compact eddy current speed reducer by multi- polarizing the electromagnets.A brake disk 2 is linked to a rotating shaft 1 and a static magnet support ring 6 made of nonmagnetic material is opposed to the brake disk 2....
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JP2002291226A |
To provide an eddy current speed reducer having no drop in performance, in which dragging torque is not be generated when applying no brake.The eddy current speed reducer is provided with a brake drum 112 connected to a rotating axis 111...
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JP2002291227A |
To automatically return a magnet support cylinder to a non braking position by a return spring even if the fluid pressure system of an actuator fails when driving at a high-speed.A guide cylinder 10 consists of a non-magnetic substance a...
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JP2002282277A |
To provide an instrument which meets the requirements for the instrument concerning the operational form and torque by improving the instrument for a dentist including a driven tool and a transmission device having a magnetic connecting ...
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JP2002281733A |
To provide a pole piece which does not produce a drag torque in a non-braking state and to provide its manufacturing method.This pole piece 10 is used in an eddy-current-type decelerator 20 and has ferromagnetic parts 24 and nonmagnetic ...
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JP2002278362A |
To provide an image forming device capable of stably rotating an image carrier and reducing its size.A copying machine provided with a photoreceptor 1, a charging device 3 for uniformly charging the surface of the photoreceptor 1, an exp...
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JP3327592B2 |
PURPOSE:To effectively utilize an exciter which becomes the driving power source of a retarder. CONSTITUTION:In a retarder device provided with an electromagnetic retarder which obtains a braking force by generating an eddy current and a...
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JP2002272193A |
To selectively supply magnetic flux of a permanent magnet, flowing in a short-circuit magnetic circuit to a magnetic circuit and by amplifying it.These change-over mechanism of the magnetic circuit and eddy- current speed-reducing device...
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JP2002256342A |
To provide a method for manufacturing a composite magnetic material having excellent product yield and productivity and a method for manufacturing a pole piece.In the method for manufacturing the composite magnetic material 14 having a f...
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JP2002247832A |
To provide an eddy current type decelerator which does not generate magnetic short-circuit.The angled portion of the internal circumferential surface and the bottom surface of ring type ferromagnetic material plates 50 to 53 are chamfere...
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JP2002247833A |
To provide a planetary geared transmission, in which a plurality of planetary wheels (3), (3) which rotate while revolving the external circumference of a center shaft (6) disposed in parallel to the center of an external cylinder (1) an...
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JP3316794B2 |
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JP3316795B2 |
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JP3316793B2 |
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