公开(公告)号：US08561643B2

公开(公告)日：2013-10-22

申请号：US13281739

申请日：2011-10-26

申请人： Niels Arbjerg

发明人： Niels Arbjerg

IPC分类号： B62D5/083

CPC分类号： B62D5/097 ,  B62D5/0837 ,  Y10T137/85978 ,  Y10T137/86662

摘要： A control device (1) for a hydrostatic steering motor comprises supply and return pump and tank connections (P, T), a slide valve arrangement in which inner and outer slide element sleeves are rotatable relative to each other to both sides of a neutral position through a limited small angle, said sleeves mutually forming controlled supply and return passages connected to said motor having supply and return throttles which are closed when said sleeves are in a neutral position, bypass throttle means (7) between said pump and tank connections (P, T) being open when said sleeves are in a neutral position, said bypass throttle means (7) having a set of at least two variable orifices connected in series. In such a device the noise should be reduced when a higher supply pressure of hydraulic fluid is used.

摘要翻译： 用于静液压转向电动机的控制装置（1）包括供给和返回泵和罐连接（P，T），滑阀装置，其中内滑动元件套筒和外滑动元件套筒可相对于彼此转动到中立位置的两侧 通过有限的小角度，所述套筒相互形成控制的供应和返回通道，其连接到所述电动机，其具有供应和返回节流阀，当所述套筒处于中间位置时，其具有关闭的旁通节流装置（7），所述泵和罐连接件 ，T）在所述套筒处于中立位置时打开，所述旁路节流装置（7）具有串联连接的一组至少两个可变孔。 在这种装置中，当使用更高的液压油供应​​压力时，应该减小噪音。

公开(公告)号：US20130220458A1

公开(公告)日：2013-08-29

申请号：US13779258

申请日：2013-02-27

申请人： OGNIBENE POWER S.P.A.

发明人： Claudio Ognibene

IPC分类号： F16K11/02

CPC分类号： F16K11/02 ,  B62D5/0837 ,  Y10T137/85986 ,  Y10T137/86654 ,  Y10T137/86662

摘要： A rotary distributor device for a hydraulic power steering, which receives oil from a pump and sends the oil selectively to a discharge or to an actuator of the steering in a desired direction, comprises a jacket, a slide, sealedly rotating in the jacket, a series of openings that cross the wall of the jacket, located in front of a series of corresponding openings which cross the wall of the slide, elastic member located between the jacket and the slide configured to maintain the openings of the jacket at the openings of the slide, in which each opening in the jacket includes, in succession starting from the outside, at least one radial hole, a slot lying in a radial plane, arranged symmetrically with respect to the axis of the hole, the width being smaller than the diameter of the hole, and the depth being such as to intersect the hole.

摘要翻译： 一种用于液压动力转向器的旋转分配器装置，其从泵接收油并且将油选择性地沿着期望的方向送到排出口或转向致动器，包括在护套中密封旋转的护套，滑动件， 一系列开口穿过护套的壁，位于穿过滑动件壁的一系列对应的开口的前面，位于护套和滑动件之间的弹性构件构造成将护套的开口保持在开口处 滑动件，其中夹套中的每个开口从外部连续地包括至少一个径向孔，位于径向平面中的狭槽，相对于孔的轴线对称地布置，宽度小于孔的直径 的孔，并且深度与孔相交。

公开(公告)号：US20080142292A1

公开(公告)日：2008-06-19

申请号：US11884156

申请日：2006-02-15

申请人： Ronald Bayer ,  Johann Jungbecker ,  Steffen Linkenbach ,  Norman Muth ,  Xiuxun Yin

发明人： Ronald Bayer ,  Johann Jungbecker ,  Steffen Linkenbach ,  Norman Muth ,  Xiuxun Yin

IPC分类号： B62D5/08

CPC分类号： B62D5/083 ,  B62D5/0837 ,  B62D5/087

摘要： A vehicle steering system for motor vehicles includes a steering handle, which is connected to steerable vehicle wheels in terms of effect in order to predefine a driving direction, as well as a hydraulic working cylinder including two cylinder chambers. Further, a hydraulic pressure source is provided, which applies hydraulic pressure to a steering valve designed as a slide valve. The steering valve controls the magnitude of the hydraulic pressure that is conveyed to the cylinder chambers of the working cylinder, and a differential pressure determines the effective direction and the magnitude of the steering aid. The steering valve is a slide valve and includes a control assembly comprising a control sleeve and a control slide. The control sleeve has at least one control window, and the differential pressure in a non-linear relationship depends on the free cross-sectional surface of the control window, which is variable due to displacement of the control slide. The edge of the control window is so configured that the free cross-sectional surface of the control window changes in such a fashion that the magnitude of the differential pressure depends substantially linearly on the displacement of the control slide.

摘要翻译： 用于机动车辆的车辆转向系统包括转向手柄，该转向手柄在效果上连接到可转向车轮以便预先确定行驶方向，以及包括两个汽缸室的液压工作缸。 此外，提供了液压源，其将液压施加到被设计为滑阀的转向阀。 转向阀控制输送到工作缸的气缸室的液压的大小，并且差压确定转向助力器的有效方向和大小。 转向阀是滑阀，并且包括控制组件，其包括控制套筒和控制滑块。 控制套筒具有至少一个控制窗口，并且非线性关系的压差取决于由于控制滑块的位移而变化的控制窗口的自由横截面。 控制窗口的边缘被配置成使得控制窗口的自由横截面表面以使得压差的大小基本上线性地对应于控制滑块的位移的方式改变。

公开(公告)号：US20070012172A1

公开(公告)日：2007-01-18

申请号：US11532122

申请日：2006-09-15

申请人： David Danley ,  Kenneth Giurlando ,  Jeffrey Tippton

发明人： David Danley ,  Kenneth Giurlando ,  Jeffrey Tippton

IPC分类号： F15B9/10

CPC分类号： B62D5/0837 ,  Y10T137/86638 ,  Y10T137/86654 ,  Y10T137/86662

摘要： A control valve for a hydraulic power steering system includes a pair of flow circuits arranged in parallel. Each flow circuit includes an upstream and downstream flow orifices arranged in series. Each set of orifices defines between the orifices an intermediate pressure zone of the valve. Both orifices close together from a centered condition of the valve and fully close substantially together at a fully closed condition of the valve. The downstream orifice is larger than the upstream orifice when open to minimize the likelihood of cavitation and noise. An equalization passage fluidly connects both intermediate pressure zones to equalize pressure despite variations in orifice size due to manufacturing tolerances. The control valve includes a bypass passage in parallel with the flow circuits. A pressure relief valve in the control valve has a normally closed valving member in the bypass passage that opens the valve in the event of overpressure.

摘要翻译： 一种用于液压动力转向系统的控制阀，包括一对平行布置的流动回路。 每个流动回路包括串联布置的上游和下游流动孔。 每组孔口在孔之间形成阀的中间压力区。 两个孔从阀的中心状态靠近在一起，并且在阀的完全关闭状态下基本上完全关闭。 下游孔口开放时大于上游孔口，以最小化气蚀和噪音的可能性。 平衡通道流体连接两个中间压力区域，以均衡压力，尽管由于制造公差而孔尺寸的变化。 控制阀包括与流动回路平行的旁通通道。 控制阀中的压力释放阀具有旁通通道中的常闭阀构件，其在超压的情况下打开阀。

公开(公告)号：US20010032750A1

公开(公告)日：2001-10-25

申请号：US09793287

申请日：2001-02-26

发明人： Akihiko Serizawa ,  Masaru Ishiwata

IPC分类号： B62D005/06

CPC分类号： B62D5/062 ,  B62D5/083 ,  B62D5/0837 ,  Y10T137/86654

摘要： A hydraulic power steering apparatus for a vehicle is provided with a main control valve in which a valve opening degree is controlled on the basis of a relative movement between an input shaft interlocking with a steering wheel and an output shaft interlocking with a steering mechanism for turning a steered wheel, a power cylinder mechanism generating a steering assist force, a pump apparatus discharging a fixed flow amount of working oil, a first flow passage including a supply passage communicated with the main control valve, and a control unit controlling an assist control valve. The main control valve controls a supply amount of the working oil in the first flow passage to the power steering apparatus, and the assist control valve controlling a flow amount of a part of the working oil discharged from the pump apparatus 1 is controlled to a set valve opening degree set on the basis of a vehicle speed and an oil pressure of the working oil in the first flow passage, by the control unit.

摘要翻译： 一种用于车辆的液压动力转向装置设置有主控制阀，其中基于与方向盘联动的输入轴与与转向转向机构联动的输出轴之间的相对运动来控制阀开度 转向轮，产生转向辅助力的动力缸机构，排出固定流量的工作油的泵装置，与主控制阀连通的供给通路的第一流路，以及控制辅助控制阀 。 主控制阀控制到动力转向装置的第一流路中的工作油的供给量，控制从泵装置1排出的一部分工作油的流量的辅助控制阀被控制为一组 通过控制单元基于车速和第一流路中的工作油的油压设定的阀开度。

公开(公告)号：US5562124A

公开(公告)日：1996-10-08

申请号：US391236

申请日：1995-02-21

申请人： Hermann W. Behrens ,  George M. Harpole ,  Jane M.-C. Lin ,  Michael F. Wolff ,  Wendell L. Gilbert

发明人： Hermann W. Behrens ,  George M. Harpole ,  Jane M.-C. Lin ,  Michael F. Wolff ,  Wendell L. Gilbert

IPC分类号： B62D5/083 ,  F15B13/04 ,  F15B9/10

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

摘要： A valve (10) for controlling flow of hydraulic fluid. The valve (10) has first and second valve members (80, 82) which have a plurality of lands and grooves. The valve members (80, 82) are relatively movable from a neutral position to a displaced position in which surface segments (202, 226, 208, 218) of respective pairs of lands overlap to form flow gaps (232, 234) for restricting flow of fluid between respective pairs of grooves. At least one (234) of the flow gaps is divergent by having a cross-sectional flow area which increases along a direction of fluid flow and at least one (232) of the flow gaps is convergent by having a cross-sectional flow area which decreases along a direction of fluid flow. The flow gaps (232, 234) have minimum cross-sectional flow areas (A, B) defined by the surface segments. The flow gaps (232, 234) are sized such that the minimum cross-sectional flow area (A) of the convergent flow gap (232) is larger than the minimum cross-sectional flow area (B) of the divergent flow gap (234) for suppressing valve noise.

摘要翻译： 一种用于控制液压流体流动的阀门（10）。 阀（10）具有第一和第二阀构件（80,82），其具有多个平台和凹槽。 阀构件（80,82）可从中性位置相对移动到其中相应对的脊的表面段（202,226,208,218）重叠以形成用于限制流动的流动间隙（232,234）的位移位置 的各对槽之间的流体。 至少一个（234）的流动间隙通过具有沿流体流动方向增加的横截面流动面积而发散，并且至少一个（232）的流动间隙通过具有横截面流动面积而会聚， 沿着流体流动的方向减小。 流动间隙（232,234）具有由表面段限定的最小横截面流动面积（A，B）。 流动间隙（232,234）的尺寸使得会聚流动间隙（232）的最小横截面流动面积（A）大于发散流动间隙（234）的最小横截面积面积（B） ）用于抑制阀门噪音。

公开(公告)号：US5263512A

公开(公告)日：1993-11-23

申请号：US989774

申请日：1992-12-14

申请人： Yasuyoshi Emori ,  Yukimitsu Minamibata

发明人： Yasuyoshi Emori ,  Yukimitsu Minamibata

IPC分类号： B62D5/083 ,  F15B9/10

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

摘要： In each of both ends of a land portion provided between channels which are formed in a slidable contact surface of a rotor assembled in a sleeve so as to be rotationally displaceable relative to the sleeve and thus control connection and disconnection of fluid paths, a chamfer is formed from an edge to a throttling action end portion of the land portion of the rotor so as to have at least one flat acting surface and a curved acting surface continuously connected to the flat acting surface. The curved acting surface of the chamfer is formed to have a smooth, continuously curved surface with a radius of curvature which decreases gradually from a connection portion with respect to the flat acting surface to a point at which it is connected to an outer diameter portion of the rotor. When a throttling action is performed by rotationally displacing the rotor with respect to the sleeve, an angle defined between the flat and curved acting surfaces at a connection point between them and an angle defined between the curved acting surface and a tangent at a point at which the curved acting surface is connected to the outer diameter portion of the rotor are maintained small, which reduces fluid noise caused by cavitation.

摘要翻译： 在设置在通道之间的接地部分的两端中的每一个中，所述接地部分形成在组装在套筒中的转子的可滑动接触表面中，以便相对于套筒可旋转移位，从而控制流体路径的连接和断开， 从转子的陆部的边缘到节流动作端部形成为具有连续地连接到平坦作用面的至少一个平坦作用面和弯曲作用面。 倒角的弯曲作用表面形成为具有光滑的，连续弯曲的表面，其曲率半径从连接部分相对于平坦作用表面逐渐减小到其连接到外部直径部分的点 转子。 当通过相对于套筒旋转地移动转子来执行节流动作时，在平坦和弯曲作用表面之间的角度处限定在它们之间的连接点处，并且在弯曲作用表面和在其之间的切线 连接到转子的外径部分的弯曲作用表面保持较小，这降低了由气蚀引起的流体噪声。

公开(公告)号：US09637157B2

公开(公告)日：2017-05-02

申请号：US13384964

申请日：2010-06-23

申请人： Werner M. Bless

发明人： Werner M. Bless

IPC分类号： B62D1/18 ,  B21D51/16 ,  B62D1/16 ,  B62D5/083 ,  B62D6/10 ,  G01L5/22

CPC分类号： B62D1/16 ,  B62D5/0837 ,  B62D6/10 ,  G01L5/221 ,  Y10T29/49622

摘要： A steering shaft component (10) comprises a first and a second steering shaft section (12, 14) and at least a first bending section (28x) extending between the first and the second steering shaft sections (12, 14). The first bending section (28x) is formed integrally with at least one of the steering shaft sections (12, 14), but has a different cross section from this steering shaft section (12, 14). Furthermore, a mechanical stop for limiting the maximum angle of rotation of the two steering shaft sections relative to each other is provided.

公开(公告)号：US20120118099A1

公开(公告)日：2012-05-17

申请号：US13384964

申请日：2010-06-23

申请人： Werner M. Bless

发明人： Werner M. Bless

IPC分类号： B62D1/18 ,  B21D51/16

CPC分类号： B62D1/16 ,  B62D5/0837 ,  B62D6/10 ,  G01L5/221 ,  Y10T29/49622

摘要： A steering shaft component (10) comprises a first and a second steering shaft section (12, 14) and at least a first bending section (28x) extending between the first and the second steering shaft sections (12, 14). The first bending section (28x) is formed integrally with at least one of the steering shaft sections (12, 14), but has a different cross section from this steering shaft section (12, 14). Furthermore, a mechanical stop for limiting the maximum angle of rotation of the two steering shaft sections relative to each other is provided.

摘要翻译： 转向轴部件（10）包括第一和第二转向轴部分（12,14）和至少第一和第二转向轴部分（12,14）之间延伸的第一弯曲部分（28x）。 第一弯曲部（28x）与至少一个转向轴部（12,14）一体地形成，但是与该转向轴部（12,14）的截面不同。 此外，提供了用于限制两个转向轴部分相对于彼此的最大旋转角度的机械止动件。

公开(公告)号：US20110214756A1

公开(公告)日：2011-09-08

申请号：US13061607

申请日：2009-09-03

申请人： Markus Lingemann

发明人： Markus Lingemann

IPC分类号： F16K31/00

CPC分类号： B62D5/0837 ,  Y10T137/7758

摘要： The invention relates to a servo valve for a hydraulic vehicle steering system, having a valve sleeve and an input shaft which is arranged within the valve sleeve and can be rotated relative to the valve sleeve about a common axis, the valve sleeve and the input shaft each having axially oriented control grooves positioned at least partially opposite each other, each control groove of the valve sleeve and of the input shaft being connected with two adjacent control grooves of the input shaft and of the valve sleeve, respectively, via a respective control gap, a first control gap being formed between a pressure port and a working port of the servo valve associated with the pressure port, and a second control gap being formed between a return port associated with the pressure port and the working port of the servo valve, the second control gap having a smaller flow cross-section than the first control gap in a center position of the valve.

摘要翻译： 本发明涉及一种用于液压车辆转向系统的伺服阀，其具有阀套和输入轴，所述阀套和输入轴布置在阀套内，并且可相对于阀套绕公共轴线旋转，阀套和输入轴 每个具有至少部分地彼此相对定位的轴向定向的控制槽，所述阀套和所述输入轴的每个控制槽分别经由相应的控制间隙连接到所述输入轴和所述阀套的两个相邻控制槽 形成在与所述压力口相关联的所述伺服阀的压力口和工作端口之间的第一控制间隙，以及形成在与所述压力口相关联的返回口与所述伺服阀的工作端口之间的第二控制间隙， 所述第二控制间隙在所述阀的中心位置具有比所述第一控制间隙小的流动横截面。