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公开(公告)号：US4862982A
公开(公告)日：1989-09-05
申请号：US142573
申请日：1988-01-11
申请人： Naoki Saito , Yasuaki Hata , Hajime Kozuka , Kazuo Mitarai
发明人： Naoki Saito , Yasuaki Hata , Hajime Kozuka , Kazuo Mitarai
CPC分类号： B62D6/10
摘要： A torque detector for a motor-driven power steering system wherein a drive lever that engages the outer circumference of a second ring gear and a detection lever on a potentiometer for detecting a linear displacement of the drive lever are connected via a spool, and a pin supported in the spool is coupled to the drive lever as if they were connected together by a universal joint.
摘要翻译： 一种用于电动机动力转向系统的转矩检测器，其中与第二齿圈的外圆周啮合的驱动杆和用于检测驱动杆的线性位移的电位计上的检测杆经由阀芯和销 支撑在卷轴中的驱动杆如同通过万向接头连接在一起的那样被联接到驱动杆上。
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公开(公告)号：US5072206A
公开(公告)日：1991-12-10
申请号：US433296
申请日：1989-11-08
申请人： Hajime Kozuka , Naoki Saito , Hiromasa Ozawa
发明人： Hajime Kozuka , Naoki Saito , Hiromasa Ozawa
摘要： A linear-movement potentiometer having an operating rod 25 projecting at both ends from a substantially hermetic casing and connectable at one end 26 to a drive member, and first and second bearings 33, 34 disposed between the casing and the operating rod for supporting the operating rod for a linear sliding motion relative to the casing. A sealing arrangement is provided between the casing and both ends of the operating rod. A sliding variable resistor assembly 38 including a resistor and a contact relatively slidable with each other is disposed within the casing, and one of the resistor and the contact is operatively connected to the operating rod for establishing a relative sliding movement between the resistor and the contact. A cover 54 may be sealingly secured to the casing for covering the end of the operating rod, and the operating rod may have an air passage 28 axially extending therethrough.
摘要翻译： 一种线性运动电位计，其具有在两端从基本上密封的壳体突出并且在一端26可连接到驱动构件的操作杆25，以及设置在壳体和操作杆之间以支撑操作的第一和第二轴承33,34 杆，用于相对于壳体的线性滑动运动。 在壳体和操作杆的两端之间设置密封装置。 包括电阻器和彼此相对可滑动的触点的滑动可变电阻器组件38设置在壳体内，并且电阻器和触头中的一个可操作地连接到操作杆，以在电阻器和触点之间建立相对滑动 。 盖54可以密封地固定到壳体以覆盖操作杆的端部，并且操作杆可以具有轴向延伸穿过其中的空气通道28。
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公开(公告)号：US4886136A
公开(公告)日：1989-12-12
申请号：US136757
申请日：1987-12-22
IPC分类号： B62D6/02 , B62D5/04 , B62D5/06 , B62D6/00 , B62D119/00
CPC分类号： B62D5/049
摘要： A motor-driven type power assisted steering control apparatus has a torque sensor which is provided with first and second displacement-electric signal converting units and a control unit which is adapted to break a motor current and to interrupt application of a voltage to an electromagnetic clutch as soon as abnormality in the torque sensor is detected on the basis of the electric signals of the first and second displacement-electric signal converting units.
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公开(公告)号：US4644846A
公开(公告)日：1987-02-24
申请号：US593247
申请日：1984-03-22
申请人： Hajime Kozuka
发明人： Hajime Kozuka
摘要： A known power steering system of the type in which movement of a steering wheel is transmitted via a torsion bar to an oil path switching valve to actuate a power cylinder in a desired steering direction by switching a high pressure oil pump to the oil path switching valve and a low pressure oil path extending from the oil path switching valve to an oil tank and a part of working oil flowing through the high pressure oil path is led to a reaction piston to restrain torsion of the torsion bar, is improved by providing a main orifice disposed in the high pressure oil path and a control oil path branched from the upstream side of the main orifice in the high pressure oil path and communicating with the reaction piston. A pressure control valve is interposed in the control oil path for controlling the oil pressure so as to be equal to or lower than a predetermined highest pressure, and a bypass is provided for bypassing the upstream side and the downstream side of the main orifice. A device for increasing the oil pressure is provided in the bypass for closing the bypass to increase the oil pressure in the overall control oil path only when the oil pressure on the downstream side of the pressure control valve is equal to or lower than a predetermined lowest value.
摘要翻译： 一种已知的动力转向系统，其中方向盘的运动通过扭杆传递到油路切换阀，以通过将高压油泵切换到油路切换阀来在期望的转向方向上致动动力缸 并且从油路切换阀向油箱延伸的低压油路和流过高压油路的工作油的一部分被引导到反作用活塞以抑制扭杆的扭转，通过提供主体 设置在高压油路中的孔，以及从高压油路中的主孔的上游侧分支并与反应活塞连通的控制油路。 在控制油路中插入压力控制阀，以将油压控制在等于或低于预定最高压力，并且设置旁路以绕过主孔的上游侧和下游侧。 用于增加油压的装置设置在用于关闭旁路的旁路中，以便仅当压力控制阀的下游侧的油压等于或低于预定最低值时才增加整个控制油路中的油压 值。
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公开(公告)号：US5018757A
公开(公告)日：1991-05-28
申请号：US530616
申请日：1990-05-30
申请人： Hajime Kozuka
发明人： Hajime Kozuka
CPC分类号： B62D17/00 , B60G3/26 , B62D7/06 , B60G2200/462 , B60G2204/414 , B60G2204/422 , B60G2204/62 , B60G2206/50
摘要： A steering control apparatus for a vehicle includes a rockable auxiliary link for connecting an knuckle arm of a knuckle and the outer end of a tie rod of a steering unit to each other so that the relative position therebetween is variable. A rotor is rotatably mounted on the knuckle. A vehicle height detection link is connected between the rotor and a lower arm of a suspension of the vehicle so as to rotate the rotor in accordance with changes in the vertical stroke of the suspension. A control link is connected between the rotor and the auxiliary link so as to rock the auxiliary link in response to the rotation of the rotor, thereby changing the distance between the outer end of the tie rod and the steering axis of the knuckle.
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公开(公告)号：US4621704A
公开(公告)日：1986-11-11
申请号：US599673
申请日：1984-04-12
申请人： Hajime Kozuka
发明人： Hajime Kozuka
IPC分类号： B62D5/06
CPC分类号： B62D5/06
摘要： The known power steering system of the type that movement of a steering wheel is transmitted via a torsion bar to an oil path switching valve to actuate a power cylinder in a desired steering direction by switching a high pressure oil path extending from an oil pump to the oil path switching valve and a low pressure oil path extending from the oil path switching valve to an oil tank and a part of working oil flowing through the high pressure oil path is led to a reaction piston to restrain torsion of the torsion bar, is improved in that the power steering system comprises a control oil path branched from the high pressure oil path and communicating with the reaction piston, a pressure control valve interposed in the control oil path for controlling an oil pressure to be equal to or lower than a predetermined highest pressure, a flow rate control valve provided on the downstream side of the pressure control valve for controlling a flow rate depending upon a car speed, a first orifice for communicating the downstream side of the flow rate control valve to the low pressure oil path, and a pilot oil path for transmitting a pilot pressure generated on the upstream of the first orifice to the pressure control valve.
摘要翻译： 已知的动力转向系统是这样一种类型的动力转向系统：其中转向盘的运动通过扭力杆传递到油路切换阀，以通过将从油泵延伸到油泵的高压油路切换到期望的转向方向来驱动动力缸 油路切换阀和从油路切换阀向油箱延伸的低压油路和流经高压油路的一部分工作油被引导到反作用活塞以抑制扭杆的扭转，改善 动力转向系统包括从高压油路分支并与反应活塞连通的控制油路，设置在控制油路中的压力控制阀，用于将油压控制在等于或低于预定最高点 设置在压力控制阀下游侧的流量控制阀，用于根据轿厢速度控制流量;第一开口fo r将流量控制阀的下游侧连通到低压油路，以及用于将在第一孔的上游产生的先导压力传递到压力控制阀的先导油路。
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公开(公告)号：US4787469A
公开(公告)日：1988-11-29
申请号：US888436
申请日：1986-07-23
申请人： Hiroshi Yoshida , Hajime Kozuka , Masao Murai
发明人： Hiroshi Yoshida , Hajime Kozuka , Masao Murai
CPC分类号： B62D6/02
摘要： A power steering system including an input shaft coupled to a steering wheel, a torsion bar for transmitting rotation of the input shaft to an output shaft, a power cylinder coupled to the output shaft, an oil path switching valve for switching oil paths to the power cylinder in accordance with the difference of turning angle between the input shaft and the output shaft, a high pressure oil path for supplying working oil delivered from an oil pump to the power cylinder via the oil path switching valve, a low pressure oil path for returning the working oil from the power cylinder to an oil tank via the oil path switching valve, a reaction piston for exerting a restraining force between the input shaft and the output shaft to limit the difference of turning angle therebetween, a control oil path extending from the midway of the high pressure oil path to the reaction piston, a pressure control valve for controlling oil pressure in the control oil path extending to the reaction piston to a level not higher than a predetermined highest pressure, a return side orifice for communicating the control oil path between the pressure control valve and the reaction piston with the low pressure oil path, and a solenoid for actuating the pressure control valve by means of its plunger for generating an axial force which varies in accordance with a car speed and takes substantially a certain strength at every given car speed.
摘要翻译： 一种动力转向系统，包括联接到方向盘的输入轴，用于将输入轴的旋转传递到输出轴的扭杆，联接到输出轴的动力缸，用于将油路切换到动力的油路切换阀 根据输入轴和输出轴之间的转动角度差异的气缸，用于将通过油路切换阀从油泵输送到动力油缸的工作油供给的高压油路，用于返回的低压油路 通过油路切换阀从动力缸到油箱的工作油，用于在输入轴和输出轴之间施加约束力的反作用活塞，以限制它们之间的转向角差;控制油路，从 通向反作用活塞的高压油路的中途的压力控制阀，用于控制延伸到反应活塞的控制油路中的油压到 水平不高于预定的最高压力;返回侧孔口，用于使压力控制阀和反作用活塞之间的控制油路与低压油路连通;以及螺线管，用于通过其柱塞致动压力控制阀 产生根据车速而变化的轴向力，并且在每个给定的车速下基本上具有一定的强度。
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公开(公告)号：US4040502A
公开(公告)日：1977-08-09
申请号：US598402
申请日：1975-07-23
CPC分类号： B62D5/06
摘要： In a hydraulic power steering system which transmits a steering force from a steering shaft through a gear train to a drag link, an actuator is disposed in a position spaced from a detector of the steering input so as to transmit an auxiliary steering force to the drag link.
摘要翻译： 在将来自转向轴通过齿轮系的转向力传递到牵引连杆的液压动力转向系统中，致动器设置在与转向输入的检测器间隔开的位置，以将辅助转向力传递到拖曳 链接。
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公开(公告)号：US5344196A
公开(公告)日：1994-09-06
申请号：US91737
申请日：1993-07-14
IPC分类号： F16L33/207 , F16L33/02
CPC分类号： F16L33/2076
摘要： The present invention incorporates a nipple to be inserted inside a hose and a sleeve formed concentrically with the nipple. An annular groove is formed on the outer periphery of the nipple to receive the expanded portion of the rubber toward the tip end of the nipple when the sleeve is caulked and to prevent the rubber from bulging at the tip end of the nipple. The annular groove is configured so that it can receive a portion of the inner rubber wall of hose when the hose is inserted between the nipple and the sleeve when the latter is caulked. The annular groove may be located on the outer periphery of the nipple, such as at a position offset from being in-line with where the sleeve is caulked and nearer to the tip end of the nipple. The number of annular grooves is not limited to one, and may be plural. When plural grooves are formed, they may be arranged adjacent to each other or spaced at a given interval.
摘要翻译： PCT No.PCT / JP91 / 00005 Sec。 371日期：1991年11月4日 102（e）1991年11月4日，1991年1月9日PCT PCT。 出版物WO91 / 10860 日期1991年7月25日。本发明包括插入软管内的乳头和与乳头同心地形成的套筒。 在套管的外周上形成环形槽，当套筒被铆接时，将橡胶的膨胀部分朝向奶嘴的前端接收，并防止橡胶在奶嘴的顶端膨胀。 环形槽被构造成使得当软管被插入乳头和套筒之间时，当软管被填塞时，其可以容纳软管的内部橡胶壁的一部分。 环形槽可以位于乳头的外周上，例如在与套筒铆接的位置偏离的位置处，并且更接近乳头的末端。 环形槽的数量不限于一个，并且可以是多个。 当形成多个凹槽时，它们可以彼此相邻布置或以给定的间隔隔开。
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公开(公告)号：US5020616A
公开(公告)日：1991-06-04
申请号：US360912
申请日：1989-03-10
CPC分类号： B62D6/10 , B62D1/16 , B62D5/0409 , B62D5/0469
摘要： A power steering apparatus for power steering the steerable wheels of a vehicle is disclosed which includes a steering column having one end connected with a steering wheel and the other end operatively connected with the steerable wheels; a cylindrical housing surrounding the steering column and providing a space therebetween; a torque sensor disposed in the housing for detecting a steering torque exerted on the steering wheel by a driver; a conductor or lead line wound around the steering column and accommodated in the housing, the lead line having one end electrically connected to the torque sensor and the other end to terminals which are disposed outside the steering column; and a motor installed on the housing and operatively connected with the steering column for power assisting the steering effort exerted on the steering wheel by the driver, the motor being driven to run in accordance with the steering torque detected by the torque sensor. A rotation limiting mechanism is provided between the steering column and the housing for limiting the rotation of the steering column within a predetermined range.
摘要翻译： PCT No.PCT / JP88 / 00915 Sec。 371日期：1989年3月10日 102（e）日期1989年3月10日PCT提交1988年9月9日PCT公布。 出版物WO89 / 02387 公开了一种用于动力转向车辆的转向轮的动力转向装置，其包括转向柱，转向柱的一端与方向盘连接，另一端与转向轮可操作地连接; 围绕转向柱的圆柱形壳体并在其间提供一个空间; 设置在壳体中的扭矩传感器，用于检测由驾驶员施加在方向盘上的转向扭矩; 引导线缠绕在转向柱上并容纳在壳体中，引线的一端电连接到转矩传感器，另一端连接到设置在转向柱外部的端子; 以及安装在壳体上并与转向柱可操作地连接的电动机的电动机，用于辅助由驾驶员施加在方向盘上的转向力，电动机根据由转矩传感器检测到的转向转矩被驱动运行。 在转向柱和壳体之间提供旋转限制机构，用于将转向柱的旋转限制在预定范围内。
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