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公开(公告)号：US5494220A
公开(公告)日：1996-02-27
申请号：US287097
申请日：1994-08-08
IPC分类号： F02M51/06 , F02M57/02 , F02M59/36 , F02M59/46 , F02M61/08 , F02M61/10 , F02M61/14 , F02M61/16 , F02M47/00
CPC分类号： F02M57/02 , F02M59/366 , F02M59/466 , F02M61/14 , F02B2275/14 , Y02T10/123
摘要： A fuel injector assembly having a valve with a valve seat and at least one pressure-equalizing fuel cavity to reduce pressure variations at the valve seat when the valve is in a closed position. The fuel injector assembly has a fuel injector body and a fuel inlet formed in the fuel injector body. A nozzle with a nozzle fuel cavity is formed in the fuel injector body, and a nozzle check is disposed for reciprocating movement in the nozzle. A valve having a valve element and a valve seat is disposed in the fuel injector body. The valve element has a first position relative to the valve seat in which the fuel inlet is fluidly isolated from the nozzle fuel cavity and a second position relative to the valve seat in which the fuel inlet is fluidly coupled to the nozzle fuel cavity. A fuel supply bore supplies pressurized fuel to a valve fuel cavity formed in the valve, and an annular pressure-equalizing fuel cavity is disposed adjacent the valve fuel cavity and adjacent a periphery of the valve element to reduce fluid pressure variations in the valve fuel cavity so that the fluid seal at the valve seat is not weakened.
摘要翻译： 一种燃料喷射器组件，其具有带阀座的阀和至少一个均压燃料腔，以当阀处于关闭位置时减小阀座处的压力变化。 燃料喷射器组件具有燃料喷射器主体和形成在燃料喷射器主体中的燃料入口。 在燃料喷射器主体中形成具有喷嘴燃料腔的喷嘴，并且设置有用于在喷嘴中往复运动的喷嘴支座。 具有阀元件和阀座的阀设置在燃料喷射器主体中。 阀元件具有相对于阀座的第一位置，其中燃料入口与喷嘴燃料腔流体隔离，并且相对于阀座的第二位置，其中燃料入口流体地联接到喷嘴燃料腔。 燃料供给孔将加压燃料供应到形成在阀中的阀燃料空腔，并且环形压力均衡燃料腔设置成邻近阀燃料腔并邻近阀元件的周边以减小阀燃料腔中的流体压力变化 使得阀座处的流体密封不被削弱。
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公开(公告)号：US06908040B2
公开(公告)日：2005-06-21
申请号：US10411808
申请日：2003-04-11
申请人： Mingchun Dong , Avtar S. Sandhu
发明人： Mingchun Dong , Avtar S. Sandhu
CPC分类号： F02M45/06 , F02M45/04 , F02M45/08 , F02M57/023
摘要： A unit injector assembly is provided that helps to ensure maximum injection flow while minimizing the harmful affects of pressure waves within the unit injector assembly. The unit injector assembly has a first fuel passageway extending from the plunger piston pumping chamber to the tip check stem injection chamber and valve seat. The unit injector assembly has a second fuel passageway extending from the tip check stem injection chamber to a fuel control valve assembly. A flow restricting fuel passageway connects one of the pumping chamber and the first fuel passageway with the second fuel passageway and acts to minimize cavitation at the valve seat and effectively eliminates pressure waves within the unit injector assembly.
摘要翻译： 提供了一种单元喷射器组件，其有助于确保最大喷射流量，同时最小化单元喷射器组件内的压力波的有害影响。 单元喷射器组件具有从柱塞活塞泵送室延伸到尖端检查杆注射室和阀座的第一燃料通道。 单元喷射器组件具有从尖端检查杆喷射室延伸到燃料控制阀组件的第二燃料通道。 流动限制燃料通道将泵送室和第一燃料通道中的一个与第二燃料通道连接，并且用于使阀座处的气蚀最小化并且有效地消除单元喷射器组件内的压力波。
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公开(公告)号：US6029682A
公开(公告)日：2000-02-29
申请号：US121981
申请日：1998-07-24
申请人： Stephen R. Lewis , Charles B. Looney , Larry R. Mitzelfelt, Jr. , David E. Martin , James D. Griffith , Kenneth A. Caron , William T. Groff , J. Duwayne Manahan , Avtar S. Sandhu , Wade J. Robel
发明人： Stephen R. Lewis , Charles B. Looney , Larry R. Mitzelfelt, Jr. , David E. Martin , James D. Griffith , Kenneth A. Caron , William T. Groff , J. Duwayne Manahan , Avtar S. Sandhu , Wade J. Robel
CPC分类号： F16K31/0668 , F02M63/0017 , F02M63/0022 , F02M63/004 , Y10T137/0318
摘要： A spool slides in a bore to open and close a valve. An armature moveable relative to the spool is biased in a first direction. A coupling biasing member biases the armature and the spool toward each other. When a solenoid is actuated the armature and the spool move in a second direction opposite the first direction until the spool forcibly engages a seat in the bore, closing the valve and stopping the spool movement. The armature continues to move in the second direction, causing the coupling to apply additional force to keep the spool engaged against the seat, until the armature reaches a second position where it forcibly engages with the spool. This stops the armature from moving further in the second direction, but allows the stationary armature to continue applying force to keep the spool engaged against the seat. When the solenoid is de-energized the armature bias sends the armature back in the first direction until it strikes the spool, causing the spool to rapidly unseat, thus opening the valve. Proper configuration of the spool and bore geometries in the vicinity of the seat keeps static pressure from developing that could otherwise retard spool valve opening.
摘要翻译： 阀芯在孔中滑动以打开和关闭阀门。 可相对于线轴移动的衔铁在第一方向上偏置。 联接偏置构件使电枢和线轴朝向彼此偏置。 当螺线管被致动时，电枢和线轴沿与第一方向相反的第二方向移动，直到阀芯强制地接合孔中的阀座，关闭阀并停止阀芯运动。 电枢继续沿第二方向移动，使得联接器施加额外的力以保持线轴抵靠座椅，直到电枢到达其与阀芯强制接合的第二位置。 这使得电枢在第二方向上进一步移动，但允许固定电枢继续施加力以保持线轴抵靠座椅。 当螺线管断电时，电枢偏压将电枢向第一方向发回，直到其撞击阀芯，导致阀芯迅速下降，从而打开阀门。 座椅附近的阀芯和钻孔几何形状的正确配置保持静电压力不会妨碍滑阀打开。
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公开(公告)号：US07472844B2
公开(公告)日：2009-01-06
申请号：US11313415
申请日：2005-12-21
IPC分类号： F02M59/00 , F02M61/00 , F02M63/00 , F02M47/02 , F02M61/10 , B05B1/14 , B05B1/00 , F23D14/68 , F16L17/00 , F16L19/00 , F16L33/18 , F16L21/02 , F16L23/00
CPC分类号： F02M61/10 , F02M61/168 , F02M2200/8015
摘要： A fuel injector nozzle assembly is disclosed. The assembly may include a nozzle casing, a first tip member, and a second tip member. The first tip member may extend longitudinally within the nozzle casing and may define first and second shoulders on the first tip member. The second tip member may extend longitudinally within the nozzle casing and may be arranged in predetermined rotational alignment with the first tip member. The second tip member may define a third shoulder on the second tip member configured to interact with the first shoulder to oppose rotation of the first tip member relative the second tip member in a first direction about a longitudinal axis of the first tip member. The second tip member may further define a fourth shoulder on the second tip member configured to interact with the second shoulder to oppose rotation of the first tip member relative the second tip member in a second direction about a longitudinal axis of the first tip member.
摘要翻译： 公开了一种燃料喷射器喷嘴组件。 组件可以包括喷嘴壳体，第一末端构件和第二顶部构件。 第一尖端构件可以在喷嘴壳体内纵向延伸并且可以在第一尖端构件上限定第一和第二肩部。 第二尖端构件可以在喷嘴壳体内纵向延伸并且可以以与第一尖端构件预定的旋转对准的方式布置。 第二末端构件可以限定第二末端构件上的第三肩部，其构造成与第一肩部相互作用，以相对于第一末端构件相对于第一末端构件在第一方向围绕第一末端构件的纵向轴线旋转。 第二末端构件还可以限定第二末端构件上的第四肩部，其构造成与第二肩部相互作用，以相对于第一末端构件相对于第一末端构件在第二方向上围绕第一末端构件的纵向轴线旋转。
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公开(公告)号：US06349920B1
公开(公告)日：2002-02-26
申请号：US09122255
申请日：1998-07-24
申请人： Stephen R. Lewis , Charles B. Looney , Wade J. Robel , Larry R. Mitzelfelt, Jr. , David E. Martin , James D. Griffith , J. Duwayne Manahan , Avtar S. Sandhu
发明人： Stephen R. Lewis , Charles B. Looney , Wade J. Robel , Larry R. Mitzelfelt, Jr. , David E. Martin , James D. Griffith , J. Duwayne Manahan , Avtar S. Sandhu
IPC分类号： F16K5100
CPC分类号： F16K1/52 , F16K1/54 , F16K3/24 , Y10T137/8671
摘要： A spool slides in a bore to open and close a valve. The spool moves in a first direction until the spool forcibly engages a seat in the bore, closing the valve. The spool moves in a second direction opposite the first direction so that the spool disengages with the seat, opening the valve. Proper configuration of the spool and bore geometries in the vicinity of the seat keeps static pressure from developing that could otherwise retard spool valve opening.
摘要翻译： 阀芯在孔中滑动以打开和关闭阀门。 阀芯沿第一方向移动，直到阀芯强制地接合孔中的阀座，关闭阀。 阀芯沿与第一方向相反的第二方向移动，使得阀芯与阀座脱离，打开阀。 座椅附近的阀芯和钻孔几何形状的正确配置保持静电压力不会妨碍滑阀打开。
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公开(公告)号：US4348206A
公开(公告)日：1982-09-07
申请号：US203775
申请日：1980-11-03
申请人： Avtar S. Sandhu
发明人： Avtar S. Sandhu
CPC分类号： G01N33/2823 , Y10T436/10
摘要： Method for simulating the effect upon liquid properties after the passage of a slurry composed of a mixture of solid particulates and liquid through a length of pipeline uses for simulation an apparatus including an outer cylinder closed at both ends. The outer cylinder is horizontally mounted for rotation about its axis and includes a removable cap. Mounted coaxially within the outer cylinder is a relatively small diameter cylindrical pipe. The outer cylinder is made of a material which is substantially inert with respect to a slurry. The outer surface of the cylindrical pipe corresponds to the material for which the actual pipeline is designed. The outer cylinder and the cylindrical pipe are sized so that by rotating the outer cylinder, with a test slurry located between the cylindrical pipe and outer cylinder, for a predetermined time at a chosen speed, the properties of the water in the slurry after passage through the pipeline is simulated.
摘要翻译： 用于模拟在通过一段管道的固体微粒和液体混合物组成的浆料通过后对液体性能的影响的方法，用于模拟包括在两端封闭的外筒的设备。 外筒水平安装以围绕其轴线旋转并且包括可拆卸盖。 在外筒内同轴安装的是一个比较小直径的圆筒管。 外筒由相对于浆料基本上是惰性的材料制成。 圆柱形管的外表面对应于实际管道设计的材料。 外筒和圆柱管的尺寸使得通过使外筒旋转，以位于圆柱管和外筒之间的试验浆料以选定的速度旋转预定时间，通过后的浆料中的水的性质 管道被模拟。
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