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1. 发明授权

EP0475742B1 Vehicle rear wheels steering apparatus 失效
标题翻译：后轮转向的车辆。
公开(公告)号：EP0475742B1
公开(公告)日：1995-11-15
申请号：EP91308297.0
申请日：1991-09-11
申请人： Mazda Motor Corporation , NSK LTD
发明人： Takehara, Shin , Ohmura, Hiroshi , Akita, Ryuya , Chikuma, Isamu , Ito, Hiroyuki , Eda, Hiroshi
IPC分类号： B62D7/15
CPC分类号： B62D7/1581

2. 发明公开

EP0666210A2 Electric power steering apparatus 失效
标题翻译：电动转向装置
公开(公告)号：EP0666210A2
公开(公告)日：1995-08-09
申请号：EP95300630.1
申请日：1995-02-01
申请人： NSK LTD
发明人： Chikuma, Isamu , Iwano, Toshiyuki
IPC分类号： B62D5/04 , F16H55/06 , F16H55/22
CPC分类号： F16H55/18 , B62D5/0409 , F16H57/12 , F16H2057/126
摘要： An electric power steering apparatus can maintain suitable backlash in a temperature changing atmosphere even if a gear consisting of a metallic cylindrical core portion (111a) and a toothed resin outer ring portion (111b). The thickness (t) of the resin outer ring portion (111b) is suitably determined by the coefficients of linear thermal expansion of a driving gear (130b), a driven gear (111), a housing (101), the addendum of the driven gear (111) and the center distance (CD) between the driving gear (130b) and the driven gear (111). Even if the temperature of the atmosphere changes, the positional relation between the gears is unchanged. Thus, the backlash is substantially unaltered.
摘要翻译：即使由金属圆筒形芯部（111a）和齿形树脂外环部（111b）构成的齿轮，电动助力转向装置也能够在温度变化的气氛中保持合适的齿隙。树脂外环部111b的厚度t由驱动齿轮130b，从动齿轮111，壳体101，被驱动齿顶的线性热膨胀系数齿轮（111）和驱动齿轮（130b）和从动齿轮（111）之间的中心距（CD）。即使大气温度变化，齿轮之间的位置关系也不会改变。因此，反冲基本上不变。

3. 发明公开

EP0659628A3 Power steering apparatus 失效
标题翻译：空值
公开(公告)号：EP0659628A3
公开(公告)日：1995-07-12
申请号：EP94309503.4
申请日：1994-12-19
申请人： NSK LTD
发明人： Eda, Hiroshi , Someya, Kenji , Chikuma, Isamu
IPC分类号： B62D5/04 , F16H55/20
CPC分类号： F16H55/24 , B62D5/0409 , B62D5/0421 , F16H57/023
摘要： An electric power steering apparatus having a compact and inexpensive backlash mechanism is provided by arranging its structure to easily adjust the backlash of the bevel gear mechanism, and at the same time, to pre-press the bearings (14,15) so that the movement of the shaft (3) in the axial direction can be regulated. The rotational shaft having a small gear (21) coupled thereto which constitutes a bevel gear mechanism on one side is rotatively supported by a housing (1), but disabled to shift in the axial direction. The large gear (13) which constitutes the bevel gear mechanism on the other side is coupled to the output shaft (3) of a steering system so that it can shift in the rotational direction and axial direction together with the shaft (3). The output shaft (3) is rotatively supported by bearings (14,15) with respect to the housing (1) with a movable sleeve (19) which abuts upon the outer ring (14a) of the bearing (14). The movable sleeve (19) can be driven in from the outside by means of an adjustment screw (16) so that the backlash between the small (21) and large gears (13) can be adjusted, while the inner ring (15b) of the bearing (15) can be driven in with respect to the output shaft by means of a lock nut (17) to tighten the bearing which abuts upon the outer ring of the output shaft (3). In this way, the inner rings of the bearings are pressed inwardly themselves, hence removing the play thereof.
摘要翻译：具有紧凑且廉价的间隙机构的电动助力转向装置通过布置其结构以容易地调节伞齿轮机构的齿隙而提供，同时预压轴承（14,15），使得运动可以调节轴（3）的轴向方向。具有联接到其上的小齿轮（21）的旋转轴在一侧构成锥齿轮机构，由壳体（1）旋转地支撑，但是不能沿轴向移动。构成另一侧的锥齿轮机构的大齿轮（13）与转向系统的输出轴（3）联接，使其能够与轴（3）一起沿旋转方向和轴向移动。输出轴（3）相对于壳体（1）由轴承（14,15）可旋转地支撑，其中可动套筒（19）抵靠在轴承（14）的外圈（14a）上。可移动套筒（19）可以通过调节螺钉（16）从外部驱动，从而可以调节小型（21）和大型齿轮（13）之间的间隙，而内圈（15b）轴承（15）可以通过锁紧螺母（17）相对于输出轴被驱动，以紧紧紧靠在输出轴（3）的外圈上的轴承。以这种方式，轴承的内圈自身被向内压，从而消除了其中的游隙。

4. 发明授权

EP0666210B1 Electric power steering apparatus 失效
公开(公告)号：EP0666210B1
公开(公告)日：1998-09-09
申请号：EP95300630.1
申请日：1995-02-01
申请人： NSK LTD
发明人： Chikuma, Isamu , Iwano, Toshiyuki
IPC分类号： B62D5/04 , F16H55/06 , F16H55/22
CPC分类号： F16H55/18 , B62D5/0409 , F16H57/12 , F16H2057/126

5. 发明公开

EP0666210A3 Electric power steering apparatus 失效
标题翻译：电动助力转向。
公开(公告)号：EP0666210A3
公开(公告)日：1997-04-09
申请号：EP95300630.1
申请日：1995-02-01
申请人： NSK LTD
发明人： Chikuma, Isamu , Iwano, Toshiyuki
IPC分类号： B62D5/04 , F16H55/06 , F16H55/22
CPC分类号： F16H55/18 , B62D5/0409 , F16H57/12 , F16H2057/126
摘要： An electric power steering apparatus can maintain suitable backlash in a temperature changing atmosphere even if a gear consisting of a metallic cylindrical core portion (111a) and a toothed resin outer ring portion (111b). The thickness (t) of the resin outer ring portion (111b) is suitably determined by the coefficients of linear thermal expansion of a driving gear (130b), a driven gear (111), a housing (101), the addendum of the driven gear (111) and the center distance (CD) between the driving gear (130b) and the driven gear (111). Even if the temperature of the atmosphere changes, the positional relation between the gears is unchanged. Thus, the backlash is substantially unaltered.

6. 发明公开

EP0499027A3 Four-wheel steering apparatus 失效
标题翻译：四轮转向装置
公开(公告)号：EP0499027A3
公开(公告)日：1993-03-17
申请号：EP92100354.7
申请日：1992-01-10
申请人： NSK LTD
发明人： Chikuma, Isamu , Eda, Hiroshi , Kanou, Hiroyuki , Ando, Nobuyasu , Kiyono, Kaoru
IPC分类号： B62D7/15
CPC分类号： B62D7/159 , B62D7/1581
摘要： A four-wheel steering apparatus comprises a front wheel steering angle sensor, a vehicle speed sensor, a rear wheel output shaft for giving steering angles to the rear wheels by displacing it in the axial direction, a centering spring having the resiliency enabling the rear wheel output shaft to be returned to the neutral position, an electric motor for causing the rear wheel output shaft to be displaced in the axial direction against the resiliency of the centering spring, and a controller for controlling the energizing of the electric motor on the basis of the signals from the front wheel steering sensor and vehicle speed sensor, by open control, i.e. without feedback of the actual rear wheel steering angle.
摘要翻译：四轮转向装置包括前轮转向角传感器，车速传感器，用于通过沿轴向移位而向后轮提供转向角的后轮输出轴，具有使后轮能够弹性的定心弹簧输出轴返回到中立位置，用于使后轮输出轴相对于定心弹簧的弹力在轴向上移位的电动机，以及用于基于以下方式控制电动机的通电的控制器：来自前轮转向传感器和车速传感器的信号，通过开放控制，即没有实际后轮转向角的反馈。

7. 发明公开

EP0475742A2 Vehicle rear wheels steering apparatus 失效
标题翻译： Fahrzeughinterräderlenkungsapparat。
公开(公告)号：EP0475742A2
公开(公告)日：1992-03-18
申请号：EP91308297.0
申请日：1991-09-11
申请人： Mazda Motor Corporation , NSK LTD
发明人： Takehara, Shin , Ohmura, Hiroshi , Akita, Ryuya , Chikuma, Isamu , Ito, Hiroyuki , Eda, Hiroshi
IPC分类号： B62D7/15
CPC分类号： B62D7/1581
摘要： A vehicle rear wheels steering apparatus is provided with a guide member (110) having a guideway capable of freely tilting toward the axis of the rod member. Therefore, when the rod member (103) rotates around the axis, an operating member provided outside the rod member rotates around the rod member along the guideway to steer the rear wheels by an amount corresponding to an amount of rotation of the rod member and an amount of tilting of the guideway.
摘要翻译：车辆后轮转向装置设置有具有能够朝向杆构件的轴线自由倾斜的导轨的引导构件。因此，当杆构件围绕轴线旋转时，设置在杆构件外侧的操作构件沿着导轨围绕杆构件旋转，以使后轮转动相当于杆构件的旋转量和倾斜量的导轨。

8. 发明公开

EP0673827A1 Electrically-operated power steering apparatus 失效
标题翻译：电动动力转向装置
公开(公告)号：EP0673827A1
公开(公告)日：1995-09-27
申请号：EP95301651.6
申请日：1995-03-14
申请人： NSK LTD
发明人： Chikuma, Isamu , Someya, Kenji , Eda, Hiroshi
IPC分类号： B62D5/04 , F16H25/22
CPC分类号： F16C33/3713 , B62D5/0448 , Y10T74/1872 , Y10T74/19781
摘要： An electrically-operated power steering apparatus comprising a steering shaft, a rack shaft (7) capable of linear movement for turning a steering running wheel, rack-pinion gear for coupling the steering shaft with the rack shaft (7), a ball screw mechanism including a screw groove (7b) formed on the rack shaft (7), a rotary ball screw nut (44) fitted thereon and plural balls (47) positioned in a rolling path. The plural balls (47) are comprised of those of a standard diameter and those of a smaller diameter, which are alternately arranged and the smaller diameter is within a defined range.
摘要翻译：本发明提供一种电动式动力转向装置，其具备转向轴，能够使转向用行驶轮转动的直线运动的齿条轴（7），将该转向轴与齿条轴（7）连结的齿条小齿轮，滚珠丝杠机构包括形成在齿条轴（7）上的螺纹槽（7b），安装在其上的旋转滚珠丝杠螺母（44）和位于滚动路径中的多个滚珠（47）。多个球（47）由标准直径和较小直径的那些交替布置，并且较小直径在限定范围内。

9. 发明公开

EP0659628A2 Power steering apparatus 失效
标题翻译：动力转向装置
公开(公告)号：EP0659628A2
公开(公告)日：1995-06-28
申请号：EP94309503.4
申请日：1994-12-19
申请人： NSK LTD
发明人： Eda, Hiroshi , Someya, Kenji , Chikuma, Isamu
IPC分类号： B62D5/04 , F16H55/20
CPC分类号： F16H55/24 , B62D5/0409 , B62D5/0421 , F16H57/023
摘要： An electric power steering apparatus having a compact and inexpensive backlash mechanism is provided by arranging its structure to easily adjust the backlash of the bevel gear mechanism, and at the same time, to pre-press the bearings (14,15) so that the movement of the shaft (3) in the axial direction can be regulated. The rotational shaft having a small gear (21) coupled thereto which constitutes a bevel gear mechanism on one side is rotatively supported by a housing (1), but disabled to shift in the axial direction. The large gear (13) which constitutes the bevel gear mechanism on the other side is coupled to the output shaft (3) of a steering system so that it can shift in the rotational direction and axial direction together with the shaft (3). The output shaft (3) is rotatively supported by bearings (14,15) with respect to the housing (1) with a movable sleeve (19) which abuts upon the outer ring (14a) of the bearing (14). The movable sleeve (19) can be driven in from the outside by means of an adjustment screw (16) so that the backlash between the small (21) and large gears (13) can be adjusted, while the inner ring (15b) of the bearing (15) can be driven in with respect to the output shaft by means of a lock nut (17) to tighten the bearing which abuts upon the outer ring of the output shaft (3). In this way, the inner rings of the bearings are pressed inwardly themselves, hence removing the play thereof.
摘要翻译：提供一种具有紧凑且便宜的齿隙机构的电动转向设备，其结构设置成可容易地调整锥齿轮机构的齿隙，同时预压轴承（14,15）可以调节轴（3）在轴向上的位置。具有构成一侧锥齿轮机构的小齿轮（21）的转轴由壳体（1）可转动地支承，但不能沿轴向移动。构成另一侧伞形齿轮机构的大齿轮（13）与转向系统的输出轴（3）连接，以便能够与轴（3）一起沿转动方向和轴向移动。输出轴（3）通过轴承（14,15）相对于壳体（1）以可移动的套筒（19）旋转地支撑，该套筒抵靠轴承（14）的外圈（14a）。可动套筒19可以通过调节螺钉16从外部被驱动，从而可以调节小齿轮21和大齿轮13之间的间隙，而内圈15b 通过锁紧螺母17可以将轴承15相对于输出轴驱动，以便紧固与输出轴3的外环邻接的轴承。这样，轴承的内圈本身被向内压，从而消除了其间隙。

10. 发明公开

EP0521450A2 Electric four-wheel steering system 失效
标题翻译： Elektrisches Vierradlenksystem。
公开(公告)号：EP0521450A2
公开(公告)日：1993-01-07
申请号：EP92111035.9
申请日：1992-06-30
申请人： NSK LTD
发明人： Chikuma, Isamu , Eda, Hiroshi , Kanou, Hiroyuki , Ando, Nobuyashu , Kiyono, Kaoru
IPC分类号： B62D7/15
CPC分类号： B62D7/1581 , B62D7/159
摘要： An electric four-wheel steering system according to the present invention comprises a rear wheel output shaft (11) for applying a steering angle associated with a quantity of displacement in the axial direction to rear wheels, a first electric motor (37a), a first speed reducer (46a) placed between the first electric motor and the rear wheel output shaft to displace the rear wheel output shaft in the axial direction when the first electric motor conducts, a second electric motor (37b), a second speed reducer (46b) placed between the second electric motor and rear wheel output shaft to displace the rear wheel output shaft in the axial direction when the second electric motor conducts, and a control for controlling the first and second electric motors and allowing the electric motors to displace the rear wheel output shaft in the axial direction. In the first and second speed reducers, reverse transmission efficiency or efficiency in transmitting the movement of the rear wheel output shaft to the first and second electric motors is lower than forward transmission efficiency or efficiency in transmitting the rotations of the first and second electric motors to the rear wheel output shaft.
摘要翻译：根据本发明的电动四轮转向系统包括：后轮输出轴（11），用于将与轴向方向上的位移量相关联的转向角度施加到后轮;第一电动机（37a），第一设置在第一电动机和后轮输出轴之间的减速器（46a），以在第一电动机导通时使后轮输出轴在轴向上移位，第二电动机（37b），第二减速器（46b）放置在第二电动机和后轮输出轴之间，以在第二电动机传导时使后轮输出轴在轴向方向上移动，以及用于控制第一和第二电动机并允许电动机使后轮输出轴在轴向上。在第一和第二减速机中，将后轮输出轴向第一和第二电动机的运动传递的反向传动效率或效率低于正向传动效率或将第一和第二电动机的转速传递到后轮输出轴。

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