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公开(公告)号：US08206131B2
公开(公告)日：2012-06-26
申请号：US12211128
申请日：2008-09-16
IPC分类号： F04B49/00
CPC分类号： F04B49/243 , F02M59/462 , F04B49/03 , Y10T137/7765 , Y10T137/7841
摘要： A housing has a compression chamber and a first passage, through which the compression chamber communicates with an accumulation chamber. A discharge valve is provided in the first passage and configured to open to supply fuel from the compression chamber to the accumulation chamber in response to increase in pressure in the compression chamber. A second passage is configured to communicate the accumulation chamber with the compression chamber via the discharge valve. A valve element allows fuel flow from the accumulation chamber to the compression chamber. A biasing unit biases the valve element to seat the valve element on a valve seat of the second passage. The sidewall of the valve element and the inner wall defining the second passage therebetween define a throttle midway through the second passage for restricting fuel flow from the accumulation chamber to the compression chamber.
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公开(公告)号：US08297941B2
公开(公告)日：2012-10-30
申请号：US12588831
申请日：2009-10-29
CPC分类号： F04B49/243 , F02M59/462 , F04B49/03 , Y10T137/7765 , Y10T137/7841
摘要： A housing has a compression chamber and a first passage, through which the compression chamber communicates with an accumulation chamber. A discharge valve is provided in the first passage and configured to open to supply fuel from the compression chamber to the accumulation chamber in response to increase in pressure in the compression chamber. A second passage is configured to communicate the accumulation chamber with the compression chamber via the discharge valve. A valve element allows fuel flow from the accumulation chamber to the compression chamber. A biasing unit biases the valve element to seat the valve element on a valve seat of the second passage. The sidewall of the valve element and the inner wall defining the second passage therebetween define a throttle midway through the second passage for restricting fuel flow from the accumulation chamber to the compression chamber.
摘要翻译： 壳体具有压缩室和第一通道，压缩室通过该第一通道与蓄积室连通。 排出阀设置在第一通道中并且构造成打开以响应于压缩室中的压力的增加而将燃料从压缩室供应到积聚室。 第二通道构造成经由排放阀将蓄积室与压缩室连通。 阀元件允许燃料从积聚室流到压缩室。 偏置单元偏压阀元件以将阀元件安置在第二通道的阀座上。 阀元件的侧壁和限定第二通道的内壁在通过第二通道的中间限定了节流阀，用于限制从积聚室到压缩室的燃料流。
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公开(公告)号：US20100047086A1
公开(公告)日：2010-02-25
申请号：US12588831
申请日：2009-10-29
IPC分类号： F04B49/22
CPC分类号： F04B49/243 , F02M59/462 , F04B49/03 , Y10T137/7765 , Y10T137/7841
摘要： A housing has a compression chamber and a first passage, through which the compression chamber communicates with an accumulation chamber. A discharge valve is provided in the first passage and configured to open to supply fuel from the compression chamber to the accumulation chamber in response to increase in pressure in the compression chamber. A second passage is configured to communicate the accumulation chamber with the compression chamber via the discharge valve. A valve element allows fuel flow from the accumulation chamber to the compression chamber. A biasing unit biases the valve element to seat the valve element on a valve seat of the second passage. The sidewall of the valve element and the inner wall defining the second passage therebetween define a throttle midway through the second passage for restricting fuel flow from the accumulation chamber to the compression chamber.
摘要翻译： 壳体具有压缩室和第一通道，压缩室通过该第一通道与蓄积室连通。 排出阀设置在第一通道中并且构造成打开以响应于压缩室中的压力的增加而将燃料从压缩室供应到积聚室。 第二通道构造成经由排放阀将蓄积室与压缩室连通。 阀元件允许燃料从积聚室流到压缩室。 偏置单元偏压阀元件以将阀元件安置在第二通道的阀座上。 阀元件的侧壁和限定第二通道的内壁在通过第二通道的中间限定了节流阀，用于限制从积聚室到压缩室的燃料流。
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公开(公告)号：US20090097997A1
公开(公告)日：2009-04-16
申请号：US12211128
申请日：2008-09-16
IPC分类号： F04B19/00
CPC分类号： F04B49/243 , F02M59/462 , F04B49/03 , Y10T137/7765 , Y10T137/7841
摘要： A housing has a compression chamber and a first passage, through which the compression chamber communicates with an accumulation chamber. A discharge valve is provided in the first passage and configured to open to supply fuel from the compression chamber to the accumulation chamber in response to increase in pressure in the compression chamber. A second passage is configured to communicate the accumulation chamber with the compression chamber via the discharge valve. A valve element allows fuel flow from the accumulation chamber to the compression chamber. A biasing unit biases the valve element to seat the valve element on a valve seat of the second passage. The sidewall of the valve element and the inner wall defining the second passage therebetween define a throttle midway through the second passage for restricting fuel flow from the accumulation chamber to the compression chamber.
摘要翻译： 壳体具有压缩室和第一通道，压缩室通过该第一通道与蓄积室连通。 排出阀设置在第一通道中并且构造成打开以响应于压缩室中的压力的增加而将燃料从压缩室供应到积聚室。 第二通道构造成经由排放阀将蓄积室与压缩室连通。 阀元件允许燃料从积聚室流到压缩室。 偏置单元偏压阀元件以将阀元件安置在第二通道的阀座上。 阀元件的侧壁和限定第二通道的内壁在通过第二通道的中间限定了节流阀，用于限制从积聚室到压缩室的燃料流。
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公开(公告)号：US20100166584A1
公开(公告)日：2010-07-01
申请号：US12647297
申请日：2009-12-24
IPC分类号： F04B39/08
CPC分类号： F04B13/00 , F02M59/366 , F02M63/007 , F02M2200/50 , F04B39/08
摘要： A volume chamber is formed by a valve member, an inner peripheral wall of a tubular portion and a bottom portion of a stopper when the valve member is engaged with tubular portion. A communication passage communicates between the volume chamber and one of an intermediate passage of a valve body and a tertiary passage of the stopper. The communication passage is formed at a location, which is spaced from a contact surface between the tubular portion and the valve member by a first predetermined distance and is also spaced from a contact surface between the bottom portion and the first urging member by a second predetermined distance.
摘要翻译： 当阀构件与管状部分接合时，容积室由阀构件，管状部分的内周壁和止动件的底部部分形成。 连通通道在容积室与阀体的中间通道和止动件的第三通道中的一个之间连通。 连通通道形成在与管状部分和阀构件之间的接触表面间隔第一预定距离的位置处，并且还与底部和第一推动构件之间的接触表面间隔开第二预定的 距离。
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公开(公告)号：US20080237518A1
公开(公告)日：2008-10-02
申请号：US12057847
申请日：2008-03-28
申请人： Katsunori FURUTA , Kaoru Oda , Yoshihito Suzuki , Moriyasu Gotoh , Hiroshi Inoue
发明人： Katsunori FURUTA , Kaoru Oda , Yoshihito Suzuki , Moriyasu Gotoh , Hiroshi Inoue
IPC分类号： F16K31/02
CPC分类号： F04B49/243
摘要： A hydraulic pump includes a housing, a seat portion, and a valve element. The housing has a compression chamber and a fluid passage. The seat portion is provided midway through the fluid passage. The valve element is located between the compression chamber and the fluid passage. The valve element is a closed-end cylindrical member having a bottom portion, a cylindrical portion, and an opening end arranged in this order. The cylindrical portion is located farther away from the seat portion than the bottom portion. The valve element is seated to the seat portion at the bottom portion. A stopper substantially closes the opening end when making contact with the opening end to regulate movement of the valve element.
摘要翻译： 液压泵包括壳体，座部分和阀元件。 壳体具有压缩室和流体通道。 座部分设置在通过流体通道的中途。 阀元件位于压缩室和流体通道之间。 阀元件是具有底部，圆筒部分和依次布置的开口端的封闭端圆筒形构件。 圆柱形部分位于比底部更远离座椅部分。 阀元件位于底部的座部。 当与开口端接触时，止动件基本上封闭开口端，以调节阀元件的运动。
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公开(公告)号：US08257067B2
公开(公告)日：2012-09-04
申请号：US12647297
申请日：2009-12-24
CPC分类号： F04B13/00 , F02M59/366 , F02M63/007 , F02M2200/50 , F04B39/08
摘要： A volume chamber is formed by a valve member, an inner peripheral wall of a tubular portion and a bottom portion of a stopper when the valve member is engaged with tubular portion. A communication passage communicates between the volume chamber and one of an intermediate passage of a valve body and a tertiary passage of the stopper. The communication passage is formed at a location, which is spaced from a contact surface between the tubular portion and the valve member by a first predetermined distance and is also spaced from a contact surface between the bottom portion and the first urging member by a second predetermined distance.
摘要翻译： 当阀构件与管状部分接合时，容积室由阀构件，管状部分的内周壁和止动件的底部部分形成。 连通通道在容积室与阀体的中间通道和止动件的第三通道中的一个之间连通。 连通通道形成在与管状部分和阀构件之间的接触表面间隔第一预定距离的位置处，并且还与底部和第一推动构件之间的接触表面间隔开第二预定的 距离。
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公开(公告)号：US08251627B2
公开(公告)日：2012-08-28
申请号：US12483695
申请日：2009-06-12
IPC分类号： F16B21/18
CPC分类号： F02M59/44 , F16B21/18 , Y10T403/60
摘要： A holder device has an elastic member and contact members. The elastic member is curved to extend approximately along a major arc of curvature and is elastically deformable to change a radius of curvature thereof. The contact members are circularly arranged along an inner circumferential side or an outer circumferential side of the elastic member so that each of the contact members is opposed to the elastic member in a radial direction of the elastic member. Each of the contact members has a sidewall that is opposed to the elastic member in the radial direction and is curved along an arc of curvature. A radius of curvature of the sidewall is shorter than the radius of curvature of the elastic member in its natural state.
摘要翻译： 保持装置具有弹性构件和接触构件。 弹性构件弯曲成大致沿着大的曲率弧延伸并且可弹性变形以改变其曲率半径。 接触构件沿着弹性构件的内周侧或外周侧圆周设置，使得每个接触构件在弹性构件的径向方向上与弹性构件相对。 每个接触构件具有在径向方向上与弹性构件相对并且沿着曲率弧弯曲的侧壁。 侧壁的曲率半径比其自然状态下的弹性构件的曲率半径短。
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公开(公告)号：US08226379B2
公开(公告)日：2012-07-24
申请号：US12057847
申请日：2008-03-28
申请人： Katsunori Furuta , Kaoru Oda , Yoshihito Suzuki , Moriyasu Gotoh , Hiroshi Inoue
发明人： Katsunori Furuta , Kaoru Oda , Yoshihito Suzuki , Moriyasu Gotoh , Hiroshi Inoue
IPC分类号： F04B49/00
CPC分类号： F04B49/243
摘要： A hydraulic pump includes a housing, a seat portion, and a valve element. The housing has a compression chamber and a fluid passage. The seat portion is provided midway through the fluid passage. The valve element is located between the compression chamber and the fluid passage. The valve element is a closed-end cylindrical member having a bottom portion, a cylindrical portion, and an opening end arranged in this order. The cylindrical portion is located farther away from the seat portion than the bottom portion. The valve element is seated to the seat portion at the bottom portion. A stopper substantially closes the opening end when making contact with the opening end to regulate movement of the valve element.
摘要翻译： 液压泵包括壳体，座部分和阀元件。 壳体具有压缩室和流体通道。 座部分设置在通过流体通道的中途。 阀元件位于压缩室和流体通道之间。 阀元件是具有底部，圆筒部分和依次布置的开口端的封闭端圆筒形构件。 圆柱形部分位于比底部更远离座椅部分。 阀元件位于底部的座部。 当与开口端接触时，止动件基本上封闭开口端，以调节阀元件的运动。
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公开(公告)号：US20110125387A1
公开(公告)日：2011-05-26
申请号：US12907228
申请日：2010-10-19
CPC分类号： F02M37/0023 , F02D41/126 , F02D41/3863 , F02D2041/224 , F02D2250/04 , F02M59/366 , F02M59/46 , F02M59/466 , F02M63/005 , F02M63/0052 , F02M63/0056 , F02M63/0077 , F02M63/0245 , F02M63/028 , F02M2200/08 , F02M2200/315
摘要： A pressure control valve is provided in a fuel return pipe connected between a high pressure fuel pipe and a fuel pressurizing chamber of a high pressure pump. A pressure relief valve is opened when fuel pressure in a fuel delivery pipe is higher than a first pressure. A first valve body of the pressure relief valve is brought into contact with a stopper so that a movement of the first valve body is limited. A pressure holding valve, which is provided in an inside of the first valve body, is opened when the fuel pressure in the fuel delivery pipe is larger than a second pressure. When the pressure relief valve is opened and the first valve body crashes into the stopper, a lifting amount of a second valve body of the pressure holding valve is increased by inertia of the second valve body, so that extraneous material attached to the second valve body can be removed.
摘要翻译： 压力控制阀设置在连接在高压燃料管和高压泵的燃料加压室之间的燃料回流管中。 当燃料输送管中的燃料压力高于第一压力时，打开压力释放阀。 减压阀的第一阀体与止动件接触，使得第一阀体的运动受到限制。 当燃料输送管中的燃料压力大于第二压力时，设置在第一阀体内部的压力保持阀打开。 当压力释放阀打开并且第一阀体碰撞到止动器中时，压力保持阀的第二阀体的提升量由于第二阀体的惯性而增加，从而附着到第二阀体上的外来材料 可以删除
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