| Patent Number |
Title Of Patent |
Date Issued |
| D602411 |
Power steering actuator |
October 20, 2009 |
|
| D599263 |
Power steering actuator |
September 1, 2009 |
|
| D589858 |
Power steering actuator |
April 7, 2009 |
|
| D588325 |
Link for power transmitting chain |
March 10, 2009 |
|
| D581623 |
Link for power transmitting chain |
November 25, 2008 |
|
| D568573 |
Linking pin for power transmitting chain |
May 6, 2008 |
|
| 7624837 |
Hydraulic power steering apparatus |
December 1, 2009 |
| In a hydraulic power steering apparatus, hydraulic pressure for generating steering assist power is varied by varying opening of a variable throttle portion by movement of a spool. The spool is disposed in a provisional origin by driving a stepping motor in one direction according to a n |
| 7617668 |
Method of producing power transmission chain and press-fitting apparatus used in said method |
November 17, 2009 |
| A press-fitting apparatus includes a first retaining jig having a required number of pin insertion holes into which generally longitudinally half portions of pins and interpieces can be inserted, a second retaining jig having a required number of pin insertion holes into which one end |
| 7614795 |
Rolling bearing assembly |
November 10, 2009 |
| A rolling bearing assembly includes: an outer ring member; an inner ring member; a hub wheel formed with a flange at one axial end thereof; and a seal member for sealing a space between one axial end of the outer ring member and an inside surface of the flange, which axially opposes the |
| 7614794 |
Rolling bearing device |
November 10, 2009 |
| A rolling bearing device of the invention has inner rings, an outer ring, and a sealing unit having a seal case fixed to the outer ring. The seal case is internally fitted to an annular corner formed between a shoulder inner peripheral surface of the outer ring, and a seal groove in a st |
| 7613556 |
Vehicle steering system |
November 3, 2009 |
| In a steering-without-driving state, a larger current limit value, drive limit time and steering angle deviation threshold value are set than when a low-speed driving state occurs. An automatic parking mode is held until a time period over which a state where a motor current value of an |
| 7610134 |
Vehicle steering system |
October 27, 2009 |
| A brake application speed is compared with a speed threshold value so as to judge whether or not a braking operation being performed is an emergency braking operation. If not the emergency braking operation, an automatic parking mode is held. When the emergency braking operation is i |
| 7610133 |
Controller for electric power steering apparatus |
October 27, 2009 |
| In a controller for an electric power steering apparatus, a target value calculation element, which calculates target values of the drive currents of a motor on the basis of a detected value of the steering torque, is constituted by a first integrated circuit provided in a chip. A drive |
| 7607969 |
Grinding apparatus for a pin for use in power transmission chain and manufacture method of a pin |
October 27, 2009 |
| A disc-like grinding wheel 5 is formed with a circumferential groove 5a, the opposite walls of which define grinding surfaces 5b. A rotated carrier 3 brings a load pin 55 into rotary movement relative to the grinding wheel 5 rotated about an axis 5z, so as to pass the load pin 55 thr |
| 7604088 |
Electric power steering system |
October 20, 2009 |
| An electric power steering system is provided which is capable of providing a favorable steering feeling without using compensation logics such as of inertia compensation and friction compensation. The electric power steering system includes road-noise suppression control means (213) |
| 7604086 |
Vehicle steering apparatus |
October 20, 2009 |
| A vehicle steering apparatus includes a steering member; a steering shaft connected to the steering member; a torque sensor for detecting a steering torque inputted into the steering member; and an electric motor for generating power that is transmitted to the steering shaft based on |
| 7604085 |
Electric power steering apparatus |
October 20, 2009 |
| An electric power steering apparatus (1, 64) comprises a housing (10) for supporting a steer shaft (9) for axial slide movement, a speed reduction mechanism (23), and a motion converting mechanism (24, 76). The housing (10) includes a plurality of split housings (36, 37; 36, 37A, 70) |
| 7603250 |
Abnormality judging apparatus |
October 13, 2009 |
| An abnormality judging apparatus of a rotation angle detecting apparatus generating a sine wave signal and a cosine wave signal according to the rotation angle of a rotor is provided with an interface which receives the sine wave signal, an interface which receives the cosine wave signal |
| 7602594 |
Motor control apparatus and motor control method |
October 13, 2009 |
| To provide a motor control apparatus, including a rotational number detecting means for detecting the rotational number of a motor; a current detecting means for detecting a motor current; a voltage detecting means for detecting an impressed voltage to be supplied to a motor; a tempe |
| 7600762 |
Suspension control device |
October 13, 2009 |
| A suspension control device includes a wheel grip state estimation device for estimating grip state of vehicle wheels based on variations of aligning torque of wheels to be steered, a vehicle rolling control device for controlling vehicle rolling, and a control parameter setting device |
| 7600602 |
Motor-driven power steering apparatus |
October 13, 2009 |
| The invention provides a motor-driven power steering apparatus which can achieve a predetermined speed reduction ratio even in the case that the motor-driven power steering apparatus is constituted by a pair of spur gears or helical gears, and can secure a sufficient gear strength on the |
| 7597482 |
Skew contact double row ball bearing and bearing device for supporting pinion shaft |
October 6, 2009 |
| A skew contact double row ball bearing and a bearing device for supporting a pinion shaft. The skew contact double row ball bearing enabling the simultaneous contact of a ball row in each row on raceways at a specified contact angle when installed even if a clearance amount is reduced by |
| 7595577 |
Brushless motor and electric power steering apparatus incorporating the same |
September 29, 2009 |
| A brushless motor includes an annular stator and a rotor which has a plurality of permanent magnets alternately arranged in circumferential direction on the rotor to form poles and which is disposed within the stator to be rotatable with respect to the stator. The stator includes a c |
| 7594759 |
Oblique contact double row ball bearing and method of imparting preload in the ball bearing |
September 29, 2009 |
| To provide a oblique contact double ball bearing and a pre-load adding method for the ball bearing capable of easily adding the pre-load by performing adjustment for adding the pre-load in a wide adjustment range. In this oblique contact double ball bearing, clearances between balls and |
| 7594758 |
Rolling bearing unit |
September 29, 2009 |
| A rolling bearing unit includes a resin-made cover attached at the opening of the vehicle inward side edge section of an outer ring. The cover includes a cylindrical portion which is fitted into the inner peripheral surface of the opening of the vehicle inward side edge section of the |
| 7591877 |
Manufacturing method of briquette for use as metal stock |
September 22, 2009 |
| A manufacturing method of briquette for use as metal stock is provided which is adapted for effective reduction of a drying time of a porous mass such that the quantity of energy required for the drying process may be reduced. A porous mass is formed by compressing cotton-like aggregates |
| 7591354 |
Shock absorbing steering device for vehicle |
September 22, 2009 |
| A shock absorbing steering device for vehicle includes an intermediate shaft that couples a steering shaft and a steering gear. The intermediate shaft includes a hollow accordion portion allowed to undergo plastic deformation. The accordion portion has plural pairs of crest portions and |
| 7591341 |
Noise reduction electric power steering apparatus |
September 22, 2009 |
| An electric power steering apparatus is provided with a worm which is a driving gear interlocked with an electric motor for assisting steering, and a worm wheel which is a driven gear having an annular teeth body made of synthetic resin meshing with the worm and a metallic core body |
| 7590502 |
Testing apparatus for steering apparatus |
September 15, 2009 |
| The testing apparatus tests a steering apparatus including a torque sensor which detects a steering torque, a steering actuator which applies a steering force to a steering mechanism, and a controller which controls the steering actuator based on an output of the torque sensor. The a |
| 7588258 |
Steering apparatus |
September 15, 2009 |
| A steering apparatus includes an attaching bracket connecting end portions of a pair of tie rods to a rack shaft. The attaching bracket includes a base which is fixed to the rack shaft and includes at least one fixing member inserting hole through which a fixing member fixing the attachi |
| 7583069 |
Booster |
September 1, 2009 |
| A booster includes a booster circuit and a microcomputer. The booster circuit outputs an output voltage. The output voltage is obtained by boosting a power supply voltage. The microcomputer controls the output voltage through a feedback control based on the deviation of the output vo |
| 7581618 |
Transmission ratio variable steering device |
September 1, 2009 |
| A transmission ratio variable mechanism in prior art provided on a steering column needs a spiral cable and hence, not only needs an extra space but is also accompanied by a risk of having a drawback such as the breakage of the cable or the like. A steering wheel shaft 11 and an outp |
| 7581612 |
Drive force distribution device and method for distributing drive force |
September 1, 2009 |
| An IG-off-timer measures the time t_off from when an engine is stopped, or an ignition is turned off. An ECU sequentially memorizes an estimated temperature of each of heat generating portions as a memorized temperature. Immediately after the engine is re-started, the ECU sets an ini |
| 7581466 |
Vehicle steering apparatus |
September 1, 2009 |
| A vehicle steering apparatus includes a jacket for rotatably supporting a steering shaft, and an electric motor. The electric motor includes an annular rotor arranged coaxially with the steering shaft and rotating together with the steering shaft. The jacket includes a tubular upper |
| 7577505 |
Electric power steering apparatus |
August 18, 2009 |
| A first restrict value calculating unit obtains a first restrict value Im1 on the basis of the integration value (Id.sup.2+Iq.sup.2) of a d-axis current detection value and a q-axis current detection value. A second restrict value calculator 50 calculates a second restrict value Im2 on |
| 7576463 |
Magnetic bearing device and magnetic bearing spindle device |
August 18, 2009 |
| A control device includes a differential amplifying circuit for obtaining a difference between values of exciting currents (exciting voltage values) supplied to a pair of axial electromagnets and a pair of radial electromagnets, multiplying the obtained difference by coefficient times, |
| 7575378 |
Offset thrust bearing |
August 18, 2009 |
| The invention provides an eccentric thrust bearing assembly capable of bearing axial loads in opposite directions.A first aspect of the invention relates to a thrust bearing assembly a1 wherein a first radially outside member and a second radially inside member oppose each other at f |
| 7575091 |
Electric power steering apparatus |
August 18, 2009 |
| An electric power steering apparatus comprises a transmission mechanism for transmitting driving force of a steering assisting electric motor to a steering mechanism. A driven gear of the transmission mechanism is rotatably supported by first and second bearings. One of the first and |
| 7575090 |
Electric power steering device |
August 18, 2009 |
| An electric power steering device provided with two belleville springs for suppressing the axial movement of a worm rotated by a steering-assisting electric motor and having shaft portions at its both end portions, and limiting members for limiting the deflection amounts of the two b |
| 7574860 |
Damper valve and hydraulic power steering apparatus |
August 18, 2009 |
| A damper valve includes first and second chambers separated by a partition wall, hydraulic oil flowing from the first chamber to the second chamber via a supply path, and returning to the first chamber from the second chamber via a return path. A valve plate that is elastically deformabl |
| 7572175 |
Coolant supply apparatus for grinding machine |
August 11, 2009 |
| In a coolant supply apparatus for a grinding machine, a wheel imbalance prevention device is operated within the period from the switching to the closed state of a shut-off valve which is provided on a conduit connecting a coolant supply to a coolant nozzle, until the stop of rotatio |
| 7572174 |
Abrasive grain and grindstone |
August 11, 2009 |
| An abrasive grain 1 includes a crystal defect CD in its crystal structure CS. The crystal defect CD is formed by a laser irradiation. |
| 7568989 |
Rotation transmitting apparatus and vehicle steering apparatus |
August 4, 2009 |
| A rotation transmitting apparatus according to the present invention includes a first sun gear, a second sun gear, first planetary gears and second planetary gears. A carrier for supporting the respective planetary gears is integrally provided with a rotor of a speed change motor for |
| 7568550 |
Worm support device and power assist unit having the same |
August 4, 2009 |
| Deep groove ball bearings are used as bearings supporting both side portions of a worm. In the first bearing on the side of a motor, the curvature radius of a raceway groove in an inner ring or the curvature radius of a raceway groove in an outer ring are set to a specific numerical |
| 7568400 |
Torque detecting apparatus |
August 4, 2009 |
| A torque detecting apparatus is provided which is capable of easily positioning a magnetic sensor in relation to a corresponding pair of magnetism collecting projections and thus improving the detection accuracy of the magnetic sensor without increasing the number of assembling and p |
| 7567055 |
Controller for brushless motor |
July 28, 2009 |
| A controller for a brushless motor determines difference between target currents and detected currents in a dq coordinate system and determines a target voltage applied to an armature winding based on a feedback calculation, such as PI (Proportional Integral) calculation, P (Proporti |
| 7562601 |
Worm wheel and electric power steering system |
July 21, 2009 |
| A worm wheel includes an annular metallic core portion and a resin rim portion which is fitted on an outer circumference of the core portion. The rim portion includes an annular main body portion which covers the outer circumference of the core portion and in which a toothed portion is |
| 7562590 |
Torque detecting device and manufacturing method of yoke assembly |
July 21, 2009 |
| A yoke assembly is constructed by retaining integrally a yoke ring having positioning holes aligned with pole claws arranged equally on the inner circumference and a yoke ring having positioning holes aligned with the space between pole claws arranged equally on the inner circumference b |
| 7556435 |
Roller bearing apparatus, method of producing roller bearing apparatus and cover attached to rol |
July 7, 2009 |
| A roller bearing apparatus provided with a roller bearing having an outer ring with a cylindrical opening that opens at one end and a cover fitted in the opening against the inner periphery thereof to close it. The cover is provided with an inscribing surface that inscribes the. inner |
| 7555680 |
Distributed control apparatus |
June 30, 2009 |
| A distributed control system includes a plurality of PLCs which are connected together via active and backup transmission lines which are opposite in transmission direction. Each of the PLCs includes a diagnosis command sending program for sending a diagnosis command, via a diagnosis |
