公开(公告)号：US4924910A

公开(公告)日：1990-05-15

申请号：US335080

申请日：1989-04-07

申请人： Kazumasa Tabata ,  Hiroshi Ooishi ,  Manabu Takaoka

发明人： Kazumasa Tabata ,  Hiroshi Ooishi ,  Manabu Takaoka

IPC分类号： B62D5/083

CPC分类号： B62D5/0837 ,  Y10T137/86654

摘要： A hydraulic pressure control valve of the present invention applied in hydraulic power steering includes a cylindrical casing whose plural first grooves disposed on its circumferential surface at stated intervals are brought in communication with different destinations of pressure oil, and a valve body which is inserted rotatably into the casing and whose second grooves of the same number as the first grooves, disposed on its peripheral surface at stated intervals are brought in communication alternately with a high pressure source and a low pressure source, and a portion thereof is disconnected with the low pressure source. At corners on the casing opposing each other across the communicating portions on both sides of the disconnected portion of the valve body, notches are formed in such a shape that, until the relative angular displacement between the valve body and casing reaches the predetermined magnitude, variations of communicating areas produced between the first and second grooves by the relative angular displacement is substantially not produced. In the hydraulic pressure control valve, the first groove of the valve body interposed between the notches is not in communication with the low pressure source, and the pressurized oil which flows in through one communicating portion of this portion is introduced into the groove of the adjacent casing through the other communicating portion without flowing back to the low pressure source, so that flowing noises of pressured oil produced when the relative displacement is produced between the valve body and casing can be reduced sharply.

公开(公告)号：US07014009B2

公开(公告)日：2006-03-21

申请号：US10960006

申请日：2004-10-08

申请人： Tatsuhiro Yamamoto ,  Manabu Takaoka

发明人： Tatsuhiro Yamamoto ,  Manabu Takaoka

IPC分类号： B62D5/04

CPC分类号： B62D5/043 ,  F16D1/0835 ,  F16D7/021

摘要： A motor operated power steering device which transmits rotational force from a steering assistance motor to a steering shaft by way of a gear fitted around the outer circumference of the steering shaft. A torque limiter fitted in between the steering shaft and the gear comprises a torque setting member, which is subject to diametric deformation as a result of being fitted in between the outer circumference of the steering shaft and the inner circumference of the gear. Diametric force is applied to the steering shaft and the gear in accordance with the diametric deformation of the torque setting member. The limit torque value of the torque limiter corresponds to the diametric deformation of the torque setting member.

摘要翻译： 一种电动机动力转向装置，其通过安装在转向轴的外周上的齿轮将转向力从转向辅助电动机传递到转向轴。 安装在转向轴和齿轮之间的扭矩限制器包括扭矩设定构件，其由于安装在转向轴的外周和齿轮的内周之间而受到直径变形。 根据扭矩设定构件的直径变形，对转向轴和齿轮施加直径力。 扭矩限制器的极限扭矩值对应于扭矩设定构件的直径变形。

公开(公告)号：US06854556B1

公开(公告)日：2005-02-15

申请号：US08635614

申请日：1996-04-22

申请人： Tatsuhiro Yamamoto ,  Manabu Takaoka

发明人： Tatsuhiro Yamamoto ,  Manabu Takaoka

IPC分类号： B62D5/04 ,  F16D1/08 ,  F16D7/02 ,  B62D5/10

CPC分类号： B62D5/043 ,  F16D1/0835 ,  F16D7/021

摘要： A motor operated power steering device which transmits rotational force from a steering assistance motor to a steering shaft by way of a gear fitted around the outer circumference of the steering shaft. A torque limiter fitted in between the steering shaft and the gear comprises a torque setting member, which is subject to diametric deformation as a result of being fitted in between the outer circumference of the steering shaft and the inner circumference of the gear. Diametric force is applied to the steering shaft and the gear in accordance with the diametric deformation of the torque setting member. The limit torque value of the torque limiter corresponds to the diametric deformation of the torque setting member.

摘要翻译： 一种电动机动力转向装置，其通过安装在转向轴的外周上的齿轮将转向力从转向辅助电动机传递到转向轴。 安装在转向轴和齿轮之间的扭矩限制器包括扭矩设定构件，其由于安装在转向轴的外周和齿轮的内周之间而受到直径变形。 根据扭矩设定构件的直径变形，对转向轴和齿轮施加直径力。 扭矩限制器的极限扭矩值对应于扭矩设定构件的直径变形。

公开(公告)号：US5244012A

公开(公告)日：1993-09-14

申请号：US920055

申请日：1992-07-27

申请人： Kazumasa Tabata ,  Manabu Takaoka

发明人： Kazumasa Tabata ,  Manabu Takaoka

IPC分类号： B62D5/083

CPC分类号： B62D5/0837 ,  Y10T137/86654 ,  Y10T137/86662

摘要： A hydraulic pressure control valve, wherein a valve body having six oil grooves on its outer periphery at specified intervals is rotatably disposed in a cylindrical casing having six oil grooves on its inner periphery at specified intervals, and throttles are constructed on both sides of the respective oil grooves, thereby two throttling units each of which consisting of six throttles, are constructed and respective two throttles facing to each other in the radial direction among respective six throttles constructing respective throttling units have regions in which throttle areas do not substantially change until the relative angular displacement between the valve body and the casing reaches a predetermined magnitude.

摘要翻译： 一种液压控制阀，其特征在于，具有规定间隔的外周上具有六个油槽的阀体以规定的间隔可旋转地设置在其内周上具有六个油槽的圆筒形壳体中，并且在相应的两侧形成有节流阀 油槽，由此构成两个由六个节流阀构成的节流单元，并且在构成相应的节流单元的各个六个节流阀中，在径向上相应的两个节流阀彼此面对，具有节流区域基本上不会改变的区域，直到相对 阀体和壳体之间的角位移达到预定的大小。

公开(公告)号：US5133384A

公开(公告)日：1992-07-28

申请号：US739948

申请日：1991-08-02

申请人： Kazumasa Tabata ,  Manabu Takaoka

发明人： Kazumasa Tabata ,  Manabu Takaoka

IPC分类号： B62D5/083

CPC分类号： B62D5/0837 ,  Y10T137/86654

摘要： A hydraulic pressure control valve, wherein a valve body having six oil grooves on its outer periphery at specified intervals is rotatably disposed in a cylindrical casing having six oil grooves on its inner periphery at specified intervals, and throttles are constructed on both sides of the respective oil grooves, thereby two throttling units each of which consisting of six throttles, are constructed and respective two throttles facing to each other in the radial direction among respective six throttles constructing respective throttling units have regions in which throttle areas do not substantially change until the relative angular displacement between the valve body and the casing reaches a predetermined magnitude.

公开(公告)号：US20050077101A1

公开(公告)日：2005-04-14

申请号：US10960006

申请日：2004-10-08

申请人： Tatsuhiro Yamamoto ,  Manabu Takaoka

发明人： Tatsuhiro Yamamoto ,  Manabu Takaoka

IPC分类号： B62D5/04 ,  F16D1/08 ,  F16D7/02

CPC分类号： B62D5/043 ,  F16D1/0835 ,  F16D7/021

摘要： A motor operated power steering device which transmits rotational force from a steering assistance motor to a steering shaft by way of a gear fitted around the outer circumference of the steering shaft. A torque limiter fitted in between the steering shaft and the gear comprises a torque setting member, which is subject to diametric deformation as a result of being fitted in between the outer circumference of the steering shaft and the inner circumference of the gear. Diametric force is applied to the steering shaft and the gear in accordance with the diametric deformation of the torque setting member. The limit torque value of the torque limiter corresponds to the diametric deformation of the torque setting member.

公开(公告)号：US6129171A

公开(公告)日：2000-10-10

申请号：US056754

申请日：1998-04-08

申请人： Manabu Takaoka

发明人： Manabu Takaoka

IPC分类号： B62D5/04

CPC分类号： B62D5/0424 ,  Y10T74/1957

摘要： In an electric power steering device, a rotating member is screwed onto a rack, which meshes with a pinion rotated by steering manipulation, via a screw mechanism. The rotation of a motor for generating steering assistance force is transmitted to the rotating member via a gear mechanism. The vehicle is turned by longitudinal movement of the rack caused by rotation of the pinion. The steering assistance force is applied in the longitudinal direction of the rack by driving the rotating member by means of the motor. The gear ratio of the gear mechanism is set such that the speed of rotation of the rotating member is equal to or greater than the speed of rotation of the motor.

摘要翻译： 在电动助力转向装置中，旋转构件通过螺丝机构旋拧到与通过转向操作旋转的小齿轮啮合的齿条上。 用于产生转向辅助力的电动机的旋转通过齿轮机构传递到旋转构件。 车辆由于小齿轮的旋转引起的齿条的纵向移动而转动。 通过利用马达驱动旋转部件，转向辅助力沿齿条的纵向施加。 齿轮机构的齿轮比被设定为使得旋转构件的旋转速度等于或大于马达的旋转速度。

公开(公告)号：US5819871A

公开(公告)日：1998-10-13

申请号：US787911

申请日：1997-01-23

申请人： Manabu Takaoka

发明人： Manabu Takaoka

IPC分类号： B62D5/04 ,  B62D6/10 ,  F16D7/02 ,  F16D9/06

CPC分类号： F16D9/06 ,  B62D5/043 ,  B62D6/10 ,  F16D7/021 ,  Y10T74/19847

摘要： A torque is transmitted from a steering assistance motor to a steering shaft via a gear. The first rotation restraining element, which is radially deformed by being sandwiched between the outer circumference of the steering shaft and the inner circumference of the gear, exerts a radial force corresponding to the radial deformation on the steering shaft and the gear, to generate a torque based on friction for restraining the relative rotation between the shaft and gear. The restraining torque generated based on the deformation of the first rotation restraining element is smaller than the breaking torque of the second rotation restraining element, which is fitted to the steering shaft and the gear via clearances so as to restrain the relative rotation between the shaft and gear.

摘要翻译： 扭矩通过齿轮从转向辅助马达传递到转向轴。 通过夹在转向轴的外周和齿轮的内周之间径向变形的第一旋转抑制元件在转向轴和齿轮上施加与径向变形相对应的径向力，以产生转矩 基于用于限制轴和齿轮之间的相对旋转的摩擦。 基于第一旋转抑制元件的变形而产生的约束扭矩小于通过间隙配合到转向轴和齿轮的第二旋转抑制元件的断开转矩，以便抑制轴与轴之间的相对旋转 齿轮。

公开(公告)号：US5482128A

公开(公告)日：1996-01-09

申请号：US350947

申请日：1994-12-07

申请人： Manabu Takaoka ,  Masayuki Watanabe

发明人： Manabu Takaoka ,  Masayuki Watanabe

IPC分类号： B62D5/04 ,  F16D7/02

CPC分类号： B62D5/043 ,  F16D7/028

摘要： A lock nut having a tapered portion at one end thereof is screwed halfway through an output shaft that transfers motion to a steering mechanism. A tapered fitting hole formed through an axis of a worm wheel is fitted onto an outer circumference of the tapered portion with a slip plate interposed therebetween. By tightening the lock nut, the worm wheel is pressed and fixed to a support portion formed on a portion of the output shaft, and a worm directly connected to an output side of a steering assisting electric motor is made to engage with a gear formed on the outer circumference of the worm wheel. In normal operation, the torque of the electric motor is transmitted to the worm wheel via the worm, and further on to the output shaft via friction on the slip plate. Upon application of an excessive rotational torque in the event of a motor lock, slippage occurs on the slip plate to allow free rotation of the output shaft.

摘要翻译： 在其一端具有锥形部分的锁紧螺母通过将运动转移到转向机构的输出轴中途旋入。 通过蜗轮的轴线形成的锥形嵌合孔嵌入到锥形部分的外圆周上，其间夹有滑板。 通过拧紧锁紧螺母，将蜗轮按压并固定到形成在输出轴的一部分上的支撑部分上，并且将直接连接到转向辅助电动机的输出侧的蜗杆与形成在其上的齿轮啮合 蜗轮的外周。 在正常运行中，电动机的扭矩通过蜗杆传递到蜗轮，并通过滑板上的摩擦进一步传递到输出轴上。 在马达锁定的情况下施加过大的旋转扭矩时，滑板上发生滑动以允许输出轴自由旋转。

公开(公告)号：US06523637B1

公开(公告)日：2003-02-25

申请号：US09020132

申请日：1998-02-06

申请人： Shiro Nakano ,  Hideki Higashira ,  Manabu Takaoka ,  Hiroshi Kawaguchi

发明人： Shiro Nakano ,  Hideki Higashira ,  Manabu Takaoka ,  Hiroshi Kawaguchi

IPC分类号： B62D504

CPC分类号： B62D5/046 ,  B62D5/003 ,  B62D5/0484

摘要： A steering apparatus for automobiles having steering operating means which is not mechanically connected to a steering mechanism, a pair of steering motors provided to different positions in the steering mechanism, and a steering control unit for distributing a necessary steering force which is obtained on the basis of a deviation between an operating position of the steering operating means and an actual operating position of the steering mechanism in a prescribed ratio so as to determine target values of the outputs of the steering motors.

摘要翻译： 一种用于汽车的转向装置，其具有转向操作装置，其不与转向机构机械连接，设置在转向机构中的不同位置的一对转向电动机以及用于分配所需转向力的转向控制单元， 在转向操作装置的操作位置和转向机构的实际操作位置之间以规定的比例偏离，以便确定转向电动机的输出的目标值。