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公开(公告)号：US07722342B2
公开(公告)日：2010-05-25
申请号：US11684085
申请日：2007-03-09
申请人： Isamu Tsubono , Mitsuo Sasaki , Toru Takahashi , Masaaki Busujima , Masakazu Kurata , Yasuhito Nakakuki
发明人： Isamu Tsubono , Mitsuo Sasaki , Toru Takahashi , Masaaki Busujima , Masakazu Kurata , Yasuhito Nakakuki
IPC分类号： F01C1/02
CPC分类号： F04C2/102 , F04C2/084 , F04C2/18 , F04C15/0019 , F04C15/0026 , F04C2230/91
摘要： In order to realize cost reduction in a gear pump apparatus by reducing form accuracy of a gear while securing pump performance, a running-in coating is provided on a tooth sliding contact portion when forming a confinement area in at least one of gears of the gear pump apparatus. By this feature, the running-in coating is gradually worn away and deformed according to rotary drive of the pump, and thus it is possible to obtain an optimal gear form in meshing combinations of the gears. Further, it is possible to reduce leakage inside the pump to secure the pump performance even if the form accuracy of the gear is reduced for the sake of the cost reduction.
摘要翻译： 为了通过在确保泵的性能的同时降低齿轮的形状精度来实现齿轮泵装置的成本降低，当在齿轮的齿轮中的至少一个齿轮中形成限制区域时，在齿滑动接触部分上设置进入涂层 泵装置。 通过该特征，随着泵的旋转驱动，流入式涂层逐渐磨损和变形，从而可以获得齿轮的啮合组合中的最佳齿轮形状。 此外，为了降低成本，即使齿轮的形状精度降低，也可以减小泵内部的泄漏以确保泵的性能。
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公开(公告)号：US20070253855A1
公开(公告)日：2007-11-01
申请号：US11684085
申请日：2007-03-09
申请人： Isamu TSUBONO , Mitsuo Sasaki , Toru Takahashi , Masaaki Busujima , Masakazu Kurata , Yasuhito Nakakuki
发明人： Isamu TSUBONO , Mitsuo Sasaki , Toru Takahashi , Masaaki Busujima , Masakazu Kurata , Yasuhito Nakakuki
IPC分类号： F04C2/10
CPC分类号： F04C2/102 , F04C2/084 , F04C2/18 , F04C15/0019 , F04C15/0026 , F04C2230/91
摘要： In order to realize cost reduction in a gear pump apparatus by reducing form accuracy of a gear while securing pump performance, a running-in coating is provided on a tooth sliding contact portion when forming a confinement area in at least one of gears of the gear pump apparatus. By this feature, the running-in coating is gradually worn away and deformed according to rotary drive of the pump, and thus it is possible to obtain an optimal gear form in meshing combinations of the gears. Further, it is possible to reduce leakage inside the pump to secure the pump performance even if the form accuracy of the gear is reduced for the sake of the cost reduction.
摘要翻译： 为了通过在确保泵的性能的同时降低齿轮的形状精度来实现齿轮泵装置的成本降低，当在齿轮的齿轮中的至少一个齿轮中形成限制区域时，在齿滑动接触部分上设置进入涂层 泵装置。 通过该特征，随着泵的旋转驱动，流入式涂层逐渐磨损和变形，从而可以获得齿轮啮合组合中的最佳齿轮形状。 此外，为了降低成本，即使齿轮的形状精度降低，也可以减小泵内部的泄漏以确保泵的性能。
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公开(公告)号：US07959422B2
公开(公告)日：2011-06-14
申请号：US11954910
申请日：2007-12-12
申请人： Yasuhito Nakakuki , Kaname Kidokoro , Tetsuo Abe , Toshimitsu Sakaki , Mitsuo Sasaki , Masakazu Kurata
发明人： Yasuhito Nakakuki , Kaname Kidokoro , Tetsuo Abe , Toshimitsu Sakaki , Mitsuo Sasaki , Masakazu Kurata
CPC分类号： F04C2/102 , F04C2/086 , F04C2230/60 , Y10T29/49236 , Y10T29/49895
摘要： An oil pump including a first housing having a rotation shaft insertion hole, a cam ring, a pump element, a rotation shaft rotatably extending through the rotation shaft insertion hole, a second housing disposed on the cam ring, wherein the cam ring is placed in a position relative to the rotation shaft insertion hole of the first housing by using a jig, and the cam ring includes a clamped portion that is clamped by a cam ring holding device, while the first housing and the second housing are fixed to each other after placing the cam ring in the position relative to the rotation shaft insertion hole by using the jig. Alternatively, the oil pump including a fixing means for fixing the cam ring to the pump body instead of the clamped portion.
摘要翻译： 一种油泵，包括具有旋转轴插入孔的第一壳体，凸轮环，泵元件，可旋转地延伸穿过旋转轴插入孔的旋转轴，设置在凸轮环上的第二壳体，其中， 通过使用夹具相对于第一壳体的旋转轴插入孔的位置，并且凸轮环包括被凸轮环保持装置夹紧的夹持部，同时第一壳体和第二壳体彼此固定，之后，第一壳体和第二壳体彼此固定， 通过使用夹具将凸轮环相对于旋转轴插入孔放置在相对位置。 或者，油泵包括用于将凸轮环固定到泵体而不是夹紧部分的固定装置。
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公开(公告)号：US20080145259A1
公开(公告)日：2008-06-19
申请号：US11954910
申请日：2007-12-12
申请人： Yasuhito NAKAKUKI , Kaname Kidokoro , Tetsuo Abe , Toshimitsu Sakaki , Mitsuo Sasaki , Masakazu Kurata
发明人： Yasuhito NAKAKUKI , Kaname Kidokoro , Tetsuo Abe , Toshimitsu Sakaki , Mitsuo Sasaki , Masakazu Kurata
IPC分类号： F01C19/00
CPC分类号： F04C2/102 , F04C2/086 , F04C2230/60 , Y10T29/49236 , Y10T29/49895
摘要： An oil pump including a first housing having a rotation shaft insertion hole, a cam ring, a pump element, a rotation shaft rotatably extending through the rotation shaft insertion hole, a second housing disposed on the cam ring, wherein the cam ring is placed in a position relative to the rotation shaft insertion hole of the first housing by using a jig, and the cam ring includes a clamped portion that is clamped by a cam ring holding device, while the first housing and the second housing are fixed to each other after placing the cam ring in the position relative to the rotation shaft insertion hole by using the jig. Alternatively, the oil pump including a fixing means for fixing the cam ring to the pump body instead of the clamped portion.
摘要翻译： 一种油泵，包括具有旋转轴插入孔的第一壳体，凸轮环，泵元件，可旋转地延伸穿过旋转轴插入孔的旋转轴，设置在凸轮环上的第二壳体，其中， 通过使用夹具相对于第一壳体的旋转轴插入孔的位置，并且凸轮环包括被凸轮环保持装置夹紧的夹持部，同时第一壳体和第二壳体彼此固定，之后，第一壳体和第二壳体彼此固定， 通过使用夹具将凸轮环相对于旋转轴插入孔放置在相对位置。 或者，油泵包括用于将凸轮环固定到泵体而不是夹紧部分的固定装置。
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公开(公告)号：US20070028606A1
公开(公告)日：2007-02-08
申请号：US11493895
申请日：2006-07-27
IPC分类号： F16D31/02
摘要： In a power-cylinder equipped power steering device, under a first condition where a first directional control valve disposed in a first pressure line receives fluid pressure supplied into a second pressure line by a reversible pump, the first directional control valve intercommunicates a reservoir and a first-pressure-line downstream passage section, and blocks fluid communication of the first-pressure-line upstream and downstream passage sections. Under a second condition where a second directional control valve receives fluid pressure supplied into the first pressure line by the pump, the first directional control valve intercommunicates the first-pressure-line upstream and downstream passage sections. Under the second condition, the second directional control valve intercommunicates the reservoir and the second-pressure-line downstream passage section, and blocks fluid communication of the second-pressure-line upstream and downstream passage sections. Under the first condition, the second directional control valve intercommunicates the second-pressure-line upstream and downstream passage sections.
摘要翻译： 在配备动力缸的动力转向装置中，在设置在第一压力管路中的第一方向控制阀通过可逆泵接收供给到第二压力管路的流体压力的第一状态下，第一方向控制阀将储存器和 第一压力下游通路部，阻止第一压力上游侧流路部和下游侧流路部的流体连通。 在第二方式控制阀通过泵接收供给第一压力管线的流体压力的第二状态下，第一方向控制阀将第一压力上游和下游通道部分相互连通。 在第二条件下，第二方向控制阀将储存器和第二压力下游通道部分相互连通，并且阻止第二压力线上游和下游通道部分的流体连通。 在第一条件下，第二方向控制阀使第二压力线上游和下游通道部分相互连通。
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公开(公告)号：US08020660B2
公开(公告)日：2011-09-20
申请号：US11453969
申请日：2006-06-16
IPC分类号： F16D31/00
CPC分类号： B62D5/065 , B62D5/062 , F04C11/00 , F04C14/12 , F15B1/26 , F15B2211/20515 , F15B2211/20561 , F15B2211/40515 , F15B2211/428 , F15B2211/6346 , F15B2211/7053
摘要： In a pump device applicable to a power steering apparatus, a pump element is housed within a pump housing and is configured to drain a working oil, an electric motor is configured to drive the pump element, a reservoir tank is installed on the housing and is configured to reserve the working oil supplied to the oil element, a passage is formed within the pump housing and is connected to the pump element, and a control valve is installed in the pump housing, is configured to communicate with the passage, and is configured to control a flow of the working oil caused to flow through the passage.
摘要翻译： 在可应用于动力转向装置的泵装置中，泵元件被容纳在泵壳体内并被构造成排出工作油，电动机构造成驱动泵元件，储油箱安装在壳体上，并且 被配置为保留供给到所述油元件的工作油，在所述泵壳体内形成有与所述泵元件连接的通路，在所述泵壳体内安装有控制阀，与所述通路连通， 以控制工作油流过通道的流动。
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公开(公告)号：US20060029509A1
公开(公告)日：2006-02-09
申请号：US11189830
申请日：2005-07-27
CPC分类号： F04C2/102 , F04C15/0042
摘要： A trochoid pump for supplying hydraulic fluid to a power cylinder in a power steering system. The trochoid pump includes a housing formed therein with an annular operating chamber. Outer rotor having internal teeth and inner rotor having external teeth are rotatably accommodated in the operating chamber in such a manner that the internal and external teeth are engageable with each other. A driving shaft is provided for rotationally driving the inner rotor. A low pressure passage is opened to a clearance between an outer peripheral surface of the outer rotor and an inner peripheral surface of the operating chamber within a discharge region at side of an engaging section at which the volume of the pump chamber is the minimum so as to release a high pressure applied to the outer peripheral surface of the outer rotor, to a low pressure side.
摘要翻译： 用于将液压流体供应到动力转向系统中的动力缸的次摆线泵。 次摆线泵包括其中形成有环形操作室的壳体。 具有内齿的外转子和具有外齿的内转子以能够彼此接合的方式可旋转地容纳在操作室中。 提供用于旋转地驱动内转子的驱动轴。 低压通道打开到外转子的外周表面与操作室的内周表面之间的间隙，在泵室的体积最小的接合部分的排出区域内，以便 以释放施加到外转子的外周面的高压到低压侧。
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公开(公告)号：US20070062183A1
公开(公告)日：2007-03-22
申请号：US11453969
申请日：2006-06-16
IPC分类号： F16D31/00
CPC分类号： B62D5/065 , B62D5/062 , F04C11/00 , F04C14/12 , F15B1/26 , F15B2211/20515 , F15B2211/20561 , F15B2211/40515 , F15B2211/428 , F15B2211/6346 , F15B2211/7053
摘要： In a pump device applicable to a power steering apparatus, a pump element is housed within a pump housing and is configured to drain a working oil, an electric motor is configured to drive the pump element, a reservoir tank is installed on the housing and is configured to reserve the working oil supplied to the oil element, a passage is formed within the pump housing and is connected to the pump element, and a control valve is installed in the pump housing, is configured to communicate with the passage, and is configured to control a flow of the working oil caused to flow through the passage.
摘要翻译： 在可应用于动力转向装置的泵装置中，泵元件被容纳在泵壳体内并被构造成排出工作油，电动机构造成驱动泵元件，储油箱安装在壳体上，并且 被配置为保留供给到所述油元件的工作油，在所述泵壳体内形成有与所述泵元件连接的通路，在所述泵壳体内安装有控制阀，与所述通路连通， 以控制工作油流过通道的流动。
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公开(公告)号：US06568499B2
公开(公告)日：2003-05-27
申请号：US09986038
申请日：2001-11-07
IPC分类号： B62D508
CPC分类号： B62D5/065 , B62D5/06 , B62D5/30 , F15B2211/20561 , F15B2211/3051
摘要： A power steering system is provided which comprises a bypass conduit connecting between first and second communication conduits and having bypass conduit ports. A pair of valves disposed in the bypass conduit for selectively opening and closing the bypass conduit ports in response to the pressure fluid from the pressure source. The valves are adapted to provide communication between the first and second communication conduits when the hydraulic pressure source is inoperative.
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公开(公告)号：US07665569B2
公开(公告)日：2010-02-23
申请号：US11430085
申请日：2006-05-09
IPC分类号： B62D5/06
摘要： A power steering system includes a hydraulic power cylinder having a first and a second hydraulic chambers, for assisting a steering force of a steering mechanism, a first and a second oil passages respectively connected to the first and second hydraulic chambers, a reversible pump discharging operating oil and providing oil pressure to the hydraulic power cylinder through the first and second oil passages, and a motor connected to the reversible pump and rotating the reversible pump in normal and reverse directions. A steering load detection unit detects a steering load of a steering wheel for steering of the steered road wheels, and a motor control unit outputs a control signal to the motor to bring an actual oil pressure generated by the reversible pump closer to a desired oil pressure determined based on the detected steering load. A discharge amount per rotation of the reversible pump is smaller than or equal to 5 cc.
摘要翻译： 动力转向系统包括具有第一和第二液压室的液压动力缸，用于辅助转向机构的转向力，分别连接到第一和第二液压室的第一和第二油路， 并通过第一和第二油路向液压动力缸提供油压，以及连接到可逆泵并且沿正向和反向旋转可逆泵的马达。 转向负载检测单元检测用于转向车轮的转向的方向盘的转向负载，电动机控制单元向电动机输出控制信号，以使由可逆泵产生的实际油压更接近期望的油压 基于检测到的转向负载确定。 可逆泵的每旋转的排出量小于或等于5cc。
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