| Patent Number |
Title Of Patent |
Date Issued |
| RE38936 |
Antifriction bearing and alternator incorporating same for use in vehicles |
January 17, 2006 |
| An antifriction bearing includes a fixed ring which comprises a steel containing up to about 10% of residual austenite. An alternator for vehicles includes a stator mounted on a frame, a rotor having its rotary shaft rotatably supported by a pair of bearings on the frame and a drive |
| RE37967 |
Antifriction bearing and alternator incorporating same for use in vehicles |
January 21, 2003 |
| An antifriction bearing includes a fixed ring which comprises a steel containing up to about 10% of residual austenite. An alternator for vehicles includes a stator mounted on a frame, a rotor having its rotary shaft rotatably supported by a pair of bearings on the frame and a drive |
| RE36804 |
Bearing sealing device and bearing sealing mechanism capable of preventing the leakage of grease |
August 1, 2000 |
| There is provided a bearing sealing device capable of substantially completely preventing a leak of grease. A taper end portion of an axial extension of the bearing sealing device has an opposite surface and a rake face that forms a specified rake angle with the opposite surface. The |
| D372254 |
Pivot bearing |
July 30, 1996 |
|
| D362256 |
Bearing |
September 12, 1995 |
|
| 7438740 |
Briquette for raw material for iron manufacture and briquette for introduction into slag generat |
October 21, 2008 |
| With the object of effective utilization of a fine powder generated during comminution of a crude material for iron manufacture, a briquette is provided which comprises a porous brittle molded body with a bulk specific gravity of 1.5 or more which is obtained by compression molding a |
| 7431511 |
Rolling bearing |
October 7, 2008 |
| A rolling bearing includes: outer and inner rings, at lease one of which is made of a ceramics; a plurality of rolling elements interposed between the outer and inner rings; a seal groove, a sectional shape in an axial direction of which is formed by substantially a partial circular arc, |
| 7402006 |
Manufacturing method of gear device |
July 22, 2008 |
| This method includes: a supporting process of supporting a worm wheel in a first supporting section of a supporting body; an engaging process of engaging a jig gear which corresponds to a worm with the worm wheel; a measuring process of measuring a distance between the centers of the wor |
| 7387034 |
Torque detecting apparatus |
June 17, 2008 |
| A torque detecting apparatus having a permanent magnet fixed to an input shaft, magnetic yokes fixed to an output shaft coaxially connected to the input shaft via a torsion bar and disposed within a magnetic field of the permanent magnet to form a magnetic circuit, and a Hall IC for dete |
| 7374013 |
Electric power steering apparatus |
May 20, 2008 |
| An electric power steering apparatus comprises a steering assisting electric motor having an output shaft and a speed reduction mechanism. The speed reduction mechanism includes conical first and second gears to be engaged with each other. The first and second gears include a plurali |
| 7363134 |
Power steering apparatus |
April 22, 2008 |
| A power steering apparatus according to the present invention is constructed to calculate a rate of change of steering speed detected by steering speed detecting means and judge whether the calculated rate of change is smaller than or equal to 0 or not, and reduce a gain of feedback |
| 7353727 |
Vehicular steering apparatus |
April 8, 2008 |
| A vehicular steering apparatus includes a column bracket secured to a steering column; and a fixing bracket secured to a vehicle body. The column bracket includes a top plate and a pair of side plates. The fixing bracket supports the column bracket via a support shaft. A support-shaft |
| 7328631 |
Vehicular steering apparatus |
February 12, 2008 |
| A vehicular steering apparatus includes a column bracket secured to a steering column; and a fixing bracket secured to a vehicle body. The column bracket includes a top plate and a pair of side plates. The fixing bracket supports the column bracket via a support shaft. A support-shaft |
| 7322256 |
Ball screw mechanism for electric power steering apparatus |
January 29, 2008 |
| A first ball circulating hole and a second ball circulating hole for connecting a circulator are bored midway at a screw groove formed on an inner circumference of a ball nut, an intermediate groove path between the first and second ball circulating holes becomes the range of a ball |
| 7311334 |
Shock absorbing type steering device for vehicles and method of producing the same |
December 25, 2007 |
| A shock absorbing type steering device decreases variations in press fitting loads corresponding to a friction force between two columns. A shock can be appropriately absorbed by relative movements of the two columns in an axial direction. At least one of a first column and a second |
| 7308833 |
Torque sensor, wire harness, electric power steering assembly and terminal holder |
December 18, 2007 |
| In a torque sensor having lead pins connected to a wire harness, the wire harness includes: a plurality of lead wires; a plurality of connection terminals each having a sleeve mounted around each of the lead pins and a connection portion extended from an outer periphery of the sleeve to |
| 7281855 |
Tapered roller bearing and final reduction gear |
October 16, 2007 |
| A tapered roller bearing includes: an outer race including an outer raceway surface; an inner race including an inner raceway surface and a larger collar surface which is a concave curved surface; and tapered rollers provided between the outer and inner races, each of the tapered rol |
| 7281604 |
Electric power steering apparatus |
October 16, 2007 |
| An electric power steering apparatus for converting rotation of a steering assist motor into movement of a steering shaft in the axial direction thereof in accordance with steering operation using a ball screw mechanism wherein a female thread groove formed around an inner circumfere |
| 7278938 |
Power transmission device |
October 9, 2007 |
| A power transmission device includes a first one-way clutch that transmits a rotational power of a pulley to a rotating shaft, and a second one-way clutch that transmits a rotational power of a rotor of a motor to the rotating shaft. The first one-way clutch is of inner cam type in which |
| 7275619 |
Electric power steering system |
October 2, 2007 |
| An electric power steering system includes: a first rotation detection section including a first sensor section and outputting a signal corresponding to a rotation of an input shaft; a second rotation detection section including second and third sensor sections and outputting signals |
| 7273141 |
One-way clutch integrated with a rolling bearing, and method of producing the same |
September 25, 2007 |
| In a one-way clutch integrated with a rolling bearing, rolling elements and sprags are arranged in an annular space between an inner race and an outer race in each of which a one-way clutch raceway surface is formed in one axial side of a rolling bearing raceway surface. The rolling elem |
| 7270484 |
Split outer race, split rolling bearing using same, and manufacturing method for split outer rac |
September 18, 2007 |
| The present invention provides a split outer race for use in a rolling bearing. The split outer race is formed by bending a strip-shaped metallic plate into a substantially semicircle shape. At least one end of the split outer race in a circumferential direction has a concave-and-con |
| 7270483 |
Rolling bearing unit |
September 18, 2007 |
| A rolling bearing unit has an inner shaft and an inner race that is fitted on an outer circumferential surface of the inner shaft at one end side thereof. The inner race is fixed to the inner shaft by a clamping portion resulting from an end portion of the inner shaft. An annular stepped |
| 7267626 |
Auto tensioner |
September 11, 2007 |
| The boss portion of an arm is oscillatably supported with respect to a support member. A tension pulley is rotatably engaged with a tip portion of the arm. A guide plate is fixed to the axial tip portion of the support member to face the boss portion. A friction plate is sandwiched b |
| 7258215 |
One-way clutch fixing structure |
August 21, 2007 |
| Holes of a predetermined depth are formed in an outer peripheral surface of an outer ring. The outer ring is integrally connected to a housing by insert molding, so that a resin, forming the housing, is received in the holes. Alternatively, pins are fixedly inserted respectively in the |
| 7249533 |
Ball screw device |
July 31, 2007 |
| A ball screw device comprises a nut having a thread groove in the inner peripheral surface thereof, a screw shaft having a thread groove in the outer peripheral surface thereof and a plurality of balls interposed between the respective thread grooves. In the screw shaft, the thread g |
| 7247111 |
Vehicle steering apparatus |
July 24, 2007 |
| A vehicle steering apparatus comprises a rotation transmission mechanism 4 which connects a first shaft 3 connected to an operating member 2 with a second shaft 5 connected to vehicle wheels 9 so as to enable the rotation to be transmitted. An actuator 61 rotatably drives one of a plural |
| 7240762 |
Electric power steering apparatus |
July 10, 2007 |
| A gearing radius of a worm wheel is set corresponding to a neighborhood region of a steering neutral position, in such a way as to be relatively large. Thus, backlash is made to be relatively small. This prevents noises from being produced when an automobile travels straight on a bad |
| 7240761 |
Electric power steering apparatus |
July 10, 2007 |
| In a current control system for a cylindrical permanent magnet synchronous motor as the drive source of an electric power steering apparatus, proportional gain Kdp and integral gain Kdi of a d-axis current PI control portion 126 are respectively set to K1Ld and K1Rd on the basis of d |
| 7237961 |
Rolling bearing |
July 3, 2007 |
| A rolling bearing includes: an inner race; an outer race; rolling elements provided between the inner and outer races; and a seal member provided between end portions of the inner and outer races, which includes a core metal and a rubber seal including a recess and a projection at an out |
| 7235905 |
Electric power steering assembly |
June 26, 2007 |
| An electric power steering assembly includes an electric motor, a reduction mechanism for reducing the speed of an output rotation of the electric motor, and a reduction-mechanism housing accommodating therein the reduction mechanism. The electric motor includes: an output shaft rota |
| 7233850 |
Vehicle steering apparatus |
June 19, 2007 |
| An object of the present invention is to provide a vehicle steering apparatus that detects the tire load, and based on the detected tire load, performs steering control which accurately reflects the road conditions. A vehicle steering apparatus of the present invention includes a con |
| 7229215 |
Double-split cage |
June 12, 2007 |
| A double-split cage includes a strip-shaped metallic sheet curved into a semi-cylindrical shape and having several pockets for accommodating a single row of rollers arranged in the circumferential direction. The strip-shaped metallic sheet has two arch portions separately arranged in |
| 7228933 |
Electric power steering device and joint |
June 12, 2007 |
| In order to solve a problem of an electric power steering device of an automobile that the steering feeling is deteriorated by dragging the inactive electric motor if a steering member is operated at a small angle to leave an electric motor inactive while the automobile is running st |
| 7226344 |
Method of processing antifriction bearing unit for wheel |
June 5, 2007 |
| A method of processing an antifriction bearing unit for a wheel, the antifriction bearing unit including an outer race, an inner race, a plurality of rolling elements and a flange portion for directly or indirectly mounting a brake disk provided to one of the outer and inner races, t |
| 7226069 |
Power-assisted steering system and difference compensating method for current detector |
June 5, 2007 |
| A power-assisted steering system includes: two or more current detectors that detects current flowing to two or more phases of a motor and outputs detected current values; a correcting unit that corrects the detected current values output from the current detectors to compensate a di |
| 7222693 |
Hydraulic control valve and power steering apparatus using the same |
May 29, 2007 |
| The present invention provides a hydraulic control valve and a power steering apparatus using the same in which chamfer portions are provided only on throttle portions between oil supply chambers and first oil feed chambers and between the oil supply chambers and second oil feed cham |
| 7222599 |
Rocker arm made of sheet metal and method of manufacturing the same |
May 29, 2007 |
| A rocker arm includes: a body that is made of sheet metal and includes a pair of side walls; and a pair of axial holes that are respectively formed through the pair of side walls and have a first diameter and through which an axis is inserted. The pair of axial holes include thickene |
| 7215110 |
Seal ring, sealing apparatus and bearing apparatus |
May 8, 2007 |
| A seal ring has an annular body which is constituted so that a disc section extended to a radially inward direction is overlapped with one end of a cylindrical section, and a sensor member for detecting rotation of an inner ring is provided to an outer periphery of the cylindrical se |
| 7213677 |
Motor-driven type power steering apparatus |
May 8, 2007 |
| A motor-driven type power steering apparatus includes: a drive gear connected to an output shaft of a motor; a driven gear in mesh with the drive gear, which is connected to a steering unit; a bearing for supporting one end of the drive gear; a support portion in which the bearing is |
| 7207933 |
Carburized roller member made of high carbon chromium steel |
April 24, 2007 |
| A roller member comprising high carbon chromium bearing steel having a carburization treatment. The bearing steel comprising a surface portion defined as a range between a surface of a rolling face of the roller member to a depth where a maximum shearing stress acts thereon, the surf |
| 7201685 |
Pulley unit |
April 10, 2007 |
| The present invention comprises a pulley, a shaft body which is rotatable relative to the pulley and is concentrically disposed radially inside of the pulley, a one-way clutch which is interposed at an annular space between the pulley and the shaft body, a rolling bearing which is di |
| 7201075 |
Electric power steering apparatus |
April 10, 2007 |
| An electric power steering apparatus having a displacing mechanism in which a fitting hole potion is provided to a gear housing for fitting with and holding a bearing to which a worm shaft for transmitting rotating force of a steering assisting motor to a steering shaft provided with |
| 7201070 |
Rotational angle detecting apparatus and torque detecting apparatus |
April 10, 2007 |
| A rotational angle detecting apparatus, in which first targets and second targets, the number thereof is coprime with each other, are provided at the rotors rotating coaxially with each other. Rotational angle of the rotor is detected based on the detection signals from each of two senso |
| 7199536 |
Power steering device |
April 3, 2007 |
| An electric power steering apparatus provides stable steering assist force by positively precluding actuation of an electric motor while it is rotating in a reverse direction, so as to prevent demagnetization of the electric motor. A motor reverse rotation detecting means detects whether |
| 7197944 |
Hub unit with sensor |
April 3, 2007 |
| A sensor device including a resolver having a rotor provided on a rotation-side raceway member of a hub unit and a stator provided on a stationary-side raceway member of the unit, and a processing circuit for processing a signal to be output in accordance with an air gap between the |
| 7197387 |
Vehicle control system |
March 27, 2007 |
| Sensor-equipped hub units 34a attached to respective drive wheels 34 each have a sensor device comprising a sensor 36 for detecting the ground contact load on the wheel 34. A control unit 31 has a traction controller 32, whereby when the ground contact load value output from one of the |
| 7195110 |
One-way clutch unit |
March 27, 2007 |
| There is provided a one-way clutch unit that is simple in structure and compact. An annular recess 67 is provided in an inner periphery of a side of a deep groove ball bearing portion 55 of a first inner ring 7 of a first one-way clutch 1, and an end portion on the side of a deep groove |
| 7192356 |
Cross shaft joint |
March 20, 2007 |
| A cross shaft joint tiltably coupling two shaft members each other includes: a cross shaft which includes four shaft portions and is arranged between the two shaft members; outer ring cups rotatably provided to the four shaft portions, respectively, the outer ring cups being adapted |
| 7191866 |
Electric power steering apparatus |
March 20, 2007 |
| An electric power steering apparatus includes a speed reducing mechanism for decelerating the rotation of a rotatable shaft in an electric motor and a converting mechanism for converting the output rotation of the speed reducing mechanism into the axial movement of a steering shaft e |
