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JP4269422B2 |
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JP4265243B2 |
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JP2009097655A |
To provide a bearing support structure for a transmission capable of reducing a difference of thermal expansion between a shaft and a housing of the transmission, in the transmission wherein a plurality of tapered roller bearings are use...
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JP2009100573A |
To provide a brushless motor capable of reducing the cost.In this brushless motor 10, an outer ring 40B of a second ball bearing 40 is inserted into the inside of a cylindrical portion 42, held by an axial hole portion 36 for fitting and...
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JP2009518596A |
An electric motor (1) having a mount system (2) is used in particular as a motor for power-assisted steering. The mount system (2) has a roller bearing (8) in the form of a movable bearing, wherein a rolling-surface body (25; 26) of the ...
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JP2009092155A |
To easily assemble a shaft support device by preventing smearing damage under wide service conditions such as high speed rotation and a light load.This shaft support device is provided for incorporating a cylindrical roller bearing betwe...
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JP4258665B2 |
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JP4258470B2 |
A telescopic shaft for steering of a vehicle is assembled in a steering shaft and includes a male shaft and a female shaft that are so fitted as not to be rotatable but to be slidable. Rolling members are fitted through an elastic body f...
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JP4261339B2 |
The emergency bearing for a rotary machine having magnetic bearings comprises an emergency landing device including an intermediate element ( 9 ) having a large contact area with a stator element ( 10 ), the intermediate element ( 9 ) be...
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JP2009079696A |
To provide a mechanism for applying a preload to a rolling bearing suppressing the lowering of the preload or the release of the preload during a temperature rise.Thermal expansion members 12 and first pressure receiving members 11 or se...
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JP4255864B2 |
To provide a method for adjusting the thrust of a motor shaft, in which a thrust load and thrust quantity can be kept constant even where the motor shaft has irregularity in length. In this method for adjusting the thrust of the motor sh...
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JP4245723B2 |
To minimize the permanent deformation of a shaft owing to a thermal expansion effect. A casting roll 1 in a twin roll type casting apparatus has end shaft forming parts fitted in bearings 41, 42. The bearing 41 is a self-matching bearing...
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JP2009063129A |
To provide a rolling bearing possible to control a preload to be applied to an outer ring as a unit.This rolling bearing comprises an inner ring 30 having an inner ring raceway in the outer peripheral surface, an outer ring 32 having an ...
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JP2009063128A |
To match the starting friction torque of electric motors to each other.When driving a vacuum transportation frog-leg-arm by using two electric motors 14 respectively comprising a motor rotor 18, a motor stator 20 and a bearing 22 fixed t...
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JP2009063160A |
To enable prevention of wear of the inner diameter surface of an aluminum alloy housing without degrading the strength of the outer ring or assemblability thereof to the housing.Copper plating 7 is applied on the outer diameter surface o...
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JP4245249B2 |
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JP4243776B2 |
To provide a swivel bearing device capable of prolonging its service life by a simple configuration. This swivel bearing device provided between a lower part running body and an upper part swivel body in construction machinery is provide...
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JP4239514B2 |
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JP2009052615A |
To provide a deep groove ball bearing, preventing abrasion of an elastic body to apply pre-load, continuously applying fixed pre-load to a bearing, and preventing deformation of a cage due to centrifugal force during high speed rotation ...
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JP2009052606A |
To provide a means for suppressing oscillation during operation of a piezoelectric element in a pre-load variable mechanism.A pre-load variable mechanism is provided with oppositely-arranged angular ball bearings 2, a housing 12 having a...
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JP4235850B2 |
A gerotor motor (11) of the type having a spool valve (51) which is formed integrally with the output shaft (49), wherein the spool valve includes forward (67) and rearward (69) journal surfaces. Disposed radially between the output shaf...
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JP4233860B2 |
A bearing assembly is disclosed for rotatably supporting a quill in the housing of a rolling mill laying head. The bearing assembly includes first and second axially spaced roller bearing sets interposed between the quill and the housing...
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JP2009508093A |
The invention relates to a sensor arrangement for monitoring a spindle bearing state, in particular a rapidly rotating high-accuracy spindle provided with prestressed bearings comprising two concentrically arranged sensor rings (11,13), ...
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JP2009040388A |
To provide an electric power steering device having simple structure and excellent easiness of assembly.A cover 101B is formed by bending plate material and is deformed so as to expand when fitted into inner circumference of a body 101A....
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JP2009038887A |
To provide a slide bearing which sufficiently satisfies a bearing function and suppresses noise without deteriorating motor efficiency and to provide an electric motor.Outer peripheral faces of bearing main bodies 35 are covered with res...
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JP2009036312A |
To provide a bearing device capable of detecting a state before occurrence of a bearing abnormality at appropriate timing and of accurately and promptly detecting the bearing abnormality.In an outer ring spacer 5, a detection means for d...
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JP2009036313A |
To provide a bearing device reducing frictional force of a distorted body and a portion applied with a load to reduce a hysteresis and enabling easy processing of a member for applying a load to the distorted body.A distortion sensor 11 ...
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JP2009036322A |
To provide a supporting structure of a driving force transmitting device capable of preventing the occurrence of swing due to play by a simple configuration.This driving force transmitting device 6 is supported in a differential carrier ...
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JP2009030811A |
To actualize the arrangement of bearings for further improving service life and allowing relatively easy and safe adjustment.This invention relates to a bearing assembly for a shaft and an industrial gear unit 30 having the bearing assem...
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JP4223209B2 |
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JP2009019728A |
To perfectly optionally separate a sliding function of a plain bearing and a rolling function of the rolling bearing on a rotary shaft, reduce friction of the plain bearing, and greatly extend a rolling fatigue longevity of the rolling b...
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JP2009014098A |
To provide a rocking bearing capable of closely contacting with a housing with an appropriate pre-load.The rocking bearing is provided with a rocking bearing outer ring 12 comprising a track member in an arcuate shape having a track face...
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JP2009014121A |
To provide a dynamic pressure bearing device and its manufacturing method capable of setting a clearance width of a thrust bearing clearance at low cost without lowering a loading capacity in a thrust direction.A housing 7 and a sleeve p...
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JP2009014101A |
To provide a bearing device, individually adjusting a preload applied to a rolling bearing to suppress generation of resonance, and to provide a machine tool having the same.The bearing device 1 comprises: a rolling bearing 20 including ...
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JP2009008169A |
To provide a rotation transmitting device which can suppress an air gap variation between opposite faces of a rotor and an armature, and surely make the armature stick to the rotor by energizing an electromagnetic coil of an electromagne...
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JP2009008170A |
To provide a retainer made of resin which can improve bearing performance during high-speed rotation, and is suitable for improving the high-speed rotation by reducing resistance or heat generation by sliding friction between a retainer ...
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JP2009008615A |
To provide a resonance frequency measuring method of a bearing device allowing a dummy mass to be fixed on the bearing device by using an adhesive in the same way as an actual use condition and removed from the bearing device after measu...
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JP4205752B2 |
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JP2008546965A |
Disclosed is a static bearing conveying apparatus having magnetically preloading and motional error correcting functions. The apparatus comprises a guide having a guide surface formed on one side of the guide facing a table, magnetic pre...
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JP2008309254A |
To provide an assembling method of a toroidal continuously variable transmission for performing: a press-in process of pressing inner races of bearings in a power transmission member; and an inserting process of inserting outer races of ...
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JP4202761B2 |
A drive device of a motor vehicle axle steering module including an electronic rotary drive for displacing a steering rod, wherein the steering rod is assisted drivingly by a transmission device, wherein the displacement of the steering ...
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JP4200377B2 |
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JP2008303892A |
To provide a wheel bearing with a sensor capable of accurately detecting a load on a wheel by preventing slippage from occurring between the contact surfaces of the flange and knuckle of an outer member for mounting on a vehicle body.In ...
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JP4196831B2 |
Provided is an electric power steering apparatus comprising a housing, a motor attached to this housing and transmitting an auxiliary steering force to a rotary shaft through a motor shaft, a worm formed on or fitted on the rotary shaft ...
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JP2008298252A |
To provide a bearing device capable of finding a preload applied to a bearing without making an electrode into contact with a rotor, reducing manufacturing costs, and elongating a life of device parts.When thickness of a lubricating oil ...
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JP2008298251A |
To provide a bearing device capable of preventing deterioration of radial rigidity of a housing and reducing manufacturing costs by heightening detection accuracy.An outer ring spacer 5 interposed between outer rings 3g, 3g has a plurali...
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JP2008298250A |
To prevent breaking of a bearing, to stabilize a service life, and to improving processing accuracy by stabilizing axial rigidity, in a feed driving device having the heat compensating function.Angular bearings 6 and 16 supporting the ot...
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JP2008298284A |
To provide a bearing device for a turbocharger capable of achieving stable rotation in a range from a low temperature to a high temperature by suppressing damage to a ball.In each of angular ball bearings 10, 20, a distance Wo between ou...
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JP4193455B2 |
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JP2008295230A |
To provide a means for easily adjusting cores of a piezoelectric actuator and a piston at assembling a positioning apparatus and for suppressing abrasion of an outer surface of the piezoelectric actuator at fine movement driving.The oute...
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