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JP3514426B2 |
To stabilize a torque value of a torque limiter while restraining the turbulence of the magnetic beam by forming a permanent magnet and a strip semi-rigid magnetic body into a cylindrical shape, and fixing a joint in the condition that a...
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JP3511761B2 |
To enhance lubrication environment for the seal member of an inner side moving body for the magnet type rodless cylinder. An inner side moving body 7 in the inside of a cylinder tube 2a includes slide guiding rings 8 at both sides of an ...
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JP2004096935A |
To provide an eddy current type reduction gear which can reduce in weight without decreasing a braking performance.In the eddy current type reduction gear 1, a support member 3 made of a nonmagnetic material is disposed oppositely to a r...
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JP3509822B2 |
PURPOSE: To provide a magnet type rodless cylinder having a satisfactory working property of a piston block and slider. CONSTITUTION: An inner ring 9 is fitted on the outer periphery of a piston 6. An inner wear ring body 12 is fitted on...
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JP3509824B2 |
PURPOSE: To provide a magnet type rodless cylinder having a satisfactory working property of a slider. CONSTITUTION: Silicone lubricating oil is applied to a sliding surface 8a of a slider of a cylinder tube 8 and a sliding surface 20b o...
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JP3509823B2 |
PURPOSE: To provide a magnet type rodless cylinder having a satisfactory working property of a piston block and slider. CONSTITUTION: A cylinder tube 50 is formed of plastic, while it contains carbon fibers as a reinforcing material 100 ...
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JP2004088935A |
To solve the various faults accompanying the heating of hysteresis material by enabling the hysteresis material of a hysteresis brake to be cooled surely and efficiently.An inner gap 42 between a hysteresis ring 26 and inner pole tooth 2...
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JP2004088934A |
To get the large braking torque by an eddy current without incurring the enlargement of the cylinder of hysteresis material.This hysteresis brake is provided with inner pole teeth 23 and outer pole teeth 24 at the peripheral opposed face...
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JP2004080988A |
To provide an eddy current reduction gear that is superior in a braking efficiency by enhancing the conductivity of a braking disk and increasing the magnetic flux density thereof.The eddy current reduction gear includes a braking disk m...
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JP2004072953A |
To control the excessive rise of the internal pressure of a stator case, and also to prevent the entrance of dust or moisture from outside.A vent hole for sealing a case which stores a permanent magnet is made, and a given length of vent...
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JP2004072851A |
To provide excellent magnetic efficiency capable of allowing miniaturization and light weight, and to reduce the leakage of magnetic flux even at non-braking with a minimum switching stroke.The eddy current reduction gear is a "magnet po...
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JP2004072952A |
To control the excessive rise of the internal pressure of a stator case in the so-called whirl retarder.A vent hole for sealing a case which stores a permanent magnet is made. Then, it is arranged so that air goes out or go in via the ve...
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JP2004072926A |
To provide a small-sized light-weight eddy current decelerating device which reduces a power required to switch to a non-braking time and compacts the device.The small-sized light-weight eddy current decelerating device includes a brakin...
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JP2004064987A |
To provide a motor assisted power machine which can improve low heat efficiency of each motor in current use.The motor assisted power machine is so constituted that among a plurality of rotary rollers having a rotary shaft in the center,...
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JP2004056875A |
To rationally constitute a noncontact transmission mechanism in which a pair of carrying rollers are synchronously driven.A noncontact transmission mechanism T is constituted by providing a rotary transmission body W to a spindle 13 that...
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JP3497901B2 |
PURPOSE: To prevent the rotation of a moving piece, following the movement of it, even a magnet coupling is used for a rodless cylinder, by providing a guide surface for guiding the movement of the moving piece to a linking plate for lin...
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JP2004504549A |
An eddy current brake system with dual use conductive fin includes a linear array of spaced apart permanent magnets and a non-magnetic electrically conductive fin. The magnets are mounted with respect to the fin for enabling passage past...
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JP2004048978A |
To provide an eddy-current reduction gear which is of simple structure and yet excellent in braking efficiency, and is small in switching stroke and capable of high-speed switching.The eddy-current reduction gear comprises a braking disk...
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JP2004048963A |
To provide an eddy-current speed reducer wherein the height of permanent magnets and the gap between the permanent magnets and a switch plate are defined and thereby magnetic flux which escapes from the switch plate to cases before and i...
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JP2004048943A |
To provide a magnetic torque induction converter that induction-converts a rotational torque efficiently by utilizing the magnetic force of magnetic field of a permanent magnet for appropriate rotational movement.An inductor 12 has a plu...
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JP2004040925A |
To provide an eddy current type reduction gear reduced in parts count and improved in an assembling workability.The eddy current type reduction gear comprises a brake drum 3 coupled to a rotary shaft 1, and an annular electromagnet body ...
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JP2004040971A |
To reduce a temperature difference in the width direction of a cylindrical part.This rotor 11 is mounted to a rotating shaft 1 of an eddy-current speed reducer. A plurality of cooling fins 11b are provided on the outside circumference of...
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JP3487318B2 |
To make it possible to make the distribution of heat in a brake drum uniform and to suppress the deformation of the drum. The eddy current deceleration device comprises a brake drum 7 coupled to a rotary shaft, an immovable guide cylinde...
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JP2004007973A |
To provide an eddy current reduction gear which is easy of weight reduction and compactification with simple structural design and exhibits excellent braking efficiency.This eddy current reduction gear is equipped with a braking disc whi...
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JP3484992B2 |
To provide an eddy-current reduction gear which can suppress dragging torque by suppressing the magnetic flux which leaks to the cylindrical section of a rotor from adjacent switch plates at the time of turning off braking without deteri...
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JP3474748B2 |
To secure the sufficient auxiliary force of a brake without increasing space, weight and costs, by providing a gear with a large diameter and an electromagnet that opposes via specific clearance in the axial direction in the case of a ge...
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JP3472611B2 |
PURPOSE: To reduce a driving loss of engine during the running by supporting a magnetic material disk having a cooling fin at the position opposed to an electromagnet holding a rotor so that the disk can be freely rotated with a shaft an...
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JP3473298B2 |
To provide a durable rotor in an eddy current-type speed reduction device. In a rotor in an eddy current-type speed reduction device, magnetic flux causes an eddy current at a cylindrical part 3. In this case, the cylindrical part 3 has ...
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JP2003339150A |
To provide an eddy current speed reducer which is superior in magnetic efficiency and is possible of size reduction and can suppress the temperature rise of a braking disc, even when it is used continuously over a long time.This is a 'ma...
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JP3470592B2 |
To provide an eddy current type speed reducer superior in durability, which can be used under severe use conditions in which the temperature of the rotor itself reaches about 650°C. A first layer of a nickel alloy layer 21, a second lay...
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JP3468445B2 |
To provide a brake device for trailer which generates much stronger braking force. A gear 29 installed to the boss of a pinion gear 27 which is engaged with the ring gear 27 of a differential gear device provided between the axles of the...
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JP3466429B2 |
To obtain a torque limiter with an excellent radiation characteristic, by forming one of its coupling subjects out of a permanent magnet and the other out of a hysteresis material, by making the clearance between its coupling subjects co...
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JP3463700B2 |
PURPOSE: To make it possible to assemble together a drive shaft and a driven shaft always at one position without generating dislocation by dividing both of permanent magnets fixed to two shafts in circumferential direction and by formin...
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JP2003301941A |
To provide a control device for an automatic transmission for a vehicle which can obtain appropriate decelerating force when automatically performing a down-shift before corner running of a lane.In a vehicle provided with the automatic t...
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JP3451773B2 |
PURPOSE: To provide a magnet type rodless cylinder having the satisfactory working property of a piston block and slider. CONSTITUTION: The inner peripheral surface 10a of an inner ring 10 constituting an inner wear ring 9 fitted on the ...
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JP2003274634A |
To provide eddy current deceleration equipment wherein a space for attaching a control valve on a side surface of a vehicle frame is unnecessary and controllability becomes superior.In this eddy current deceleration equipment, a fixed re...
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JP2003269485A |
To provide a torque limiter having excellent durability even in a using environment of high speed rotation.This torque limiter 1 comprises a first rotor 2 to which a permanent magnet 4 is fixed, and a second rotor 3 to which a semi-rigid...
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JP2003264975A |
To provide an electromagnetic retarder equipped with cooling fins having high cooling performance, and capable of manufacturing the cooling fins with the manufacturing cost restrained.In this electromagnetic retarder 10 equipped with the...
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JP3446546B2 |
To provide a retarder with smaller installation space and reduced in weight. This multiple eddy current retarder is provided with a second cylindrical portion 5a and a second stator Sa.It is desirable that, in the retarder one end of the...
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JP3446580B2 |
To improve a temperature detection precision and improve braking characteristics and life of a retarder. A hood 17 is attached to a side surface 10-1 of a frame 10 of a stator in which permanent magnets 7 are housed so as to be close to ...
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JP3443825B2 |
To eliminate the peeling off of a coating layer from the cylindrical section of a rotor caused by the thermal expansion of the cylindrical section having the coating layer. A rotor for an eddy-current speed reducer is constituted in such...
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JP3444167B2 |
To provide an eddy current reduction gear, which eliminates a need for a space used to attach and install a control valve to and at the side face of a car-body frame, and whose controllability is made good. In an eddy current reduction g...
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JP3444325B2 |
To increase the brake capacity by providing a guide frame with an inner tube part for applying a magnet supporting ring and a magnetic outer tube part not facing the inner circumferential surface of a brake drum and covering the outer su...
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JP3444173B2 |
To magnetize non-magnetized magnet materials while they are fixed to a support ring. A magnetizing device of a magnet for an eddy current generated retarder has a magnetizing coil 13 having a plurality of cores 13a protruding from the in...
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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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