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公开(公告)号：US5632258A
公开(公告)日：1997-05-27
申请号：US605669
申请日：1996-02-22
摘要： According to the present invention, the exhaust gas recirculation control apparatus includes a first switching valve for controlling communication between the positive pressure supplying source and the control valve. The first switching valve opens only when the control means increases and maintains the predetermined pressure supplied to the EGR valve, and under other conditions, the first switching valve closes, so that the positive pressure of the positive pressure supplying source can be utilized only when needed and the positive pressure accumulated inside the positive pressure supplying source can be prevented from leaking from the control valve. When an air compressor, which is mounted for a braking in a vehicle, is commonly used for the EGR valve as the positive pressure supplying source, air pressure of the brake system in the air compressor can be effectively used, a small-sized EGR apparatus being thereby manufactured.
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公开(公告)号：US20060243938A1
公开(公告)日：2006-11-02
申请号：US11413019
申请日：2006-04-28
申请人： Ryo Ishibashi , Hiroo Tsujimoto , Motoyoshi Ando
发明人： Ryo Ishibashi , Hiroo Tsujimoto , Motoyoshi Ando
IPC分类号： F16K31/02
CPC分类号： F16K31/0613
摘要： A solenoid includes a stator core, a plunger, a ring core, and a magnetic circuit component. The stator core has a fixed axial end and a free axial end. The free axial end is unfixed. The stator core is formed of a magnetic material. The plunger is slidable along an inner surface of the stator core. The plunger is formed of a magnetic material. The ring core surrounds an outer surface of the free axial end of the stator core. The ring core is formed of a magnetic material. The magnetic circuit component is adjacent to the stator core. The magnetic circuit component conducts magnetic flux with the stator core. The ring core radially conducts radial magnetic flux with the stator core. The ring core axially conducts axial magnetic flux with the magnetic circuit component.
摘要翻译： 螺线管包括定子芯，柱塞，环形磁芯和磁路组件。 定子铁芯具有固定的轴向端和自由的轴向端。 自由轴向端部不固定。 定子芯由磁性材料形成。 柱塞可沿着定子芯的内表面滑动。 柱塞由磁性材料形成。 环形芯围绕定子芯的自由轴向端部的外表面。 环芯由磁性材料形成。 磁路部件与定子铁芯相邻。 磁路部件与定子芯导通磁通。 环芯径向地与定子芯导通径向磁通。 环芯通过磁路部件轴向地传导轴向磁通。
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公开(公告)号：US20070075283A1
公开(公告)日：2007-04-05
申请号：US11540686
申请日：2006-10-02
申请人： Akinori Hirano , Hiroo Tsujimoto
发明人： Akinori Hirano , Hiroo Tsujimoto
IPC分类号： F16K31/00
CPC分类号： F16K31/061
摘要： A valve apparatus includes a valve body, a seat member, an oil supply port, a movable valve, and a pilot communicating member. The seat member is fixed to the valve body and defines a bleed chamber. The oil supply port supplies oil to the bleed chamber. The movable valve is slidably received in the valve body, wherein the movable valve is displaceable based on a pressure in the bleed chamber, and the movable valve blockades the oil supply port in a state, where the movable valve contacts the seat member. The pilot communicating member provides communication between the oil supply port and the bleed chamber in the state, where the movable valve contacts the seat member. The pilot communicating member includes a slight clearance changing member that increases a degree of the communication when a temperature decreases, and decreases the degree of the communication when the temperature increases.
摘要翻译： 阀装置包括阀体，座构件，供油口，可动阀和导流连通构件。 座椅构件固定在阀体上并限定出气室。 供油口向排气室供油。 可移动阀可滑动地容纳在阀体中，其中可移动阀基于泄放室中的压力可移动，并且可移动阀在可移动阀接触座椅构件的状态下封闭供油口。 导向连通构件在可动阀接触座椅构件的状态下提供供油口和排气室之间的连通。 导向连通构件包括轻微的间隙改变构件，其在温度降低时增加通信程度，并且当温度升高时降低通信程度。
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公开(公告)号：US20090057594A1
公开(公告)日：2009-03-05
申请号：US12193293
申请日：2008-08-18
申请人： Hiroo Tsujimoto
发明人： Hiroo Tsujimoto
IPC分类号： F16K1/00
CPC分类号： F16K31/0613
摘要： A valve body has an annular bottom face and an inner circumferential periphery both defining a seat fitting hole, which is coaxial with a sliding hole. A spool is axially movable in the sliding hole. A seat member has an axial end surface and an outer circumferential periphery, which are respectively axially and radially press-fitted to the annular bottom face and the inner circumferential periphery to respectively define an annular seal portion and a cylindrical seal portion therebetween. The seat member has a bleed port for draining fluid from a bleed chamber. The spool has an end surface, which defines a small clearance between the end surface and the seat member when the spool is seated to the seat member for communicating a supply port with the bleed chamber.
摘要翻译： 阀体具有环形底面和内周面，两者限定与滑动孔同轴的座安装孔。 滑阀可在滑动孔中轴向移动。 座构件具有轴向端面和外周周缘，分别轴向和径向地压配合到环形底面和内周周边，以分别在其间限定环形密封部分和圆柱形密封部分。 座椅构件具有用于从放气室排出流体的排出口。 阀芯具有端面，当阀芯位于座构件上时，该端面在端表面和阀座构件之间限定了一个小的间隙，用于使供给口与泄放室连通。
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公开(公告)号：US07468647B2
公开(公告)日：2008-12-23
申请号：US11413019
申请日：2006-04-28
申请人： Ryo Ishibashi , Hiroo Tsujimoto , Motoyoshi Ando
发明人： Ryo Ishibashi , Hiroo Tsujimoto , Motoyoshi Ando
CPC分类号： F16K31/0613
摘要： A solenoid includes a stator core, a plunger, a ring core, and a magnetic circuit component. The stator core has a fixed axial end and a free axial end. The free axial end is unfixed. The stator core is formed of a magnetic material. The plunger is slidable along an inner surface of the stator core. The plunger is formed of a magnetic material. The ring core surrounds an outer surface of the free axial end of the stator core. The ring core is formed of a magnetic material. The magnetic circuit component is adjacent to the stator core. The magnetic circuit component conducts magnetic flux with the stator core. The ring core radially conducts radial magnetic flux with the stator core. The ring core axially conducts axial magnetic flux with the magnetic circuit component.
摘要翻译： 螺线管包括定子芯，柱塞，环形磁芯和磁路组件。 定子铁芯具有固定的轴向端和自由的轴向端。 自由轴向端部不固定。 定子芯由磁性材料形成。 柱塞可沿着定子芯的内表面滑动。 柱塞由磁性材料形成。 环形芯围绕定子芯的自由轴向端部的外表面。 环芯由磁性材料形成。 磁路部件与定子铁芯相邻。 磁路部件与定子芯导通磁通。 环芯径向地与定子芯导通径向磁通。 环芯通过磁路部件轴向地传导轴向磁通。
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