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    • 6. 发明授权
    • Pressure relief valve
    • 减压阀
    • US08240291B2
    • 2012-08-14
    • US12604612
    • 2009-10-23
    • Daniel R. IbrahimScott F. Shafer
    • Daniel R. IbrahimScott F. Shafer
    • F02M59/36
    • F02M63/025F02M55/007F02M63/005Y10T137/7922
    • A pressure relief valve is disclosed. The pressure relief valve comprises a body, a valve member, and a resilient member. The body includes a guide bore, a seat surface, an inlet, a first outlet, and a second outlet. The valve member is received within a portion of the body and includes a guide portion received within the guide bore, a valve seat configured to sealingly engage the seat surface, and an internal passage. The resilient member biases the valve seat into engagement with the seat surface. The valve member is moveable between a first position in which the inlet is fluidly blocked from the first outlet and the second outlet, a second position in which inlet is fluidly coupled to the first outlet but not to the second outlet, and a third position in which the inlet is fluidly coupled to the first outlet and the second outlet.
    • 公开了一种减压阀。 减压阀包括主体,阀构件和弹性构件。 主体包括导向孔,座表面,入口,第一出口和第二出口。 阀构件容纳在主体的一部分内,并且包括容纳在引导孔内的引导部分,构造成密封地接合座表面的阀座和内部通道。 弹性构件将阀座偏置成与座表面接合。 阀构件可以在其中入口与第一出口和第二出口流体地阻塞的第一位置和第二位置之间移动,在第二位置,入口流体地联接到第一出口而不与第二出口连接,第三位置 入口流体地联接到第一出口和第二出口。
    • 7. 发明申请
    • PRESSURE RELIEF VALVE
    • 压力减压阀
    • US20110094476A1
    • 2011-04-28
    • US12604612
    • 2009-10-23
    • Daniel R. IbrahimScott F. Shafer
    • Daniel R. IbrahimScott F. Shafer
    • F02M69/46F01L3/10F16K15/00
    • F02M63/025F02M55/007F02M63/005Y10T137/7922
    • A pressure relief valve is disclosed. The pressure relief valve comprises a body, a valve member, and a resilient member. The body includes a guide bore, a seat surface, an inlet, a first outlet, and a second outlet. The valve member is received within a portion of the body and includes a guide portion received within the guide bore, a valve seat configured to sealingly engage the seat surface, and an internal passage. The resilient member biases the valve seat into engagement with the seat surface. The valve member is moveable between a first position in which the inlet is fluidly blocked from the first outlet and the second outlet, a second position in which inlet is fluidly coupled to the first outlet but not to the second outlet, and a third position in which the inlet is fluidly coupled to the first outlet and the second outlet.
    • 公开了一种减压阀。 减压阀包括主体,阀构件和弹性构件。 主体包括导向孔,座表面,入口,第一出口和第二出口。 阀构件容纳在主体的一部分内,并且包括容纳在引导孔内的引导部分,构造成密封地接合座表面的阀座和内部通道。 弹性构件将阀座偏置成与座表面接合。 阀构件可以在其中入口与第一出口和第二出口流体地阻塞的第一位置和第二位置之间移动,在第二位置,入口流体地联接到第一出口而不与第二出口连接,第三位置 入口流体地联接到第一出口和第二出口。
    • 8. 发明授权
    • Fuel injector with directly controlled highly efficient nozzle assembly and fuel system using same
    • 燃油喷射器具有直接控制的高效喷嘴组件和使用其的燃油系统
    • US07331329B2
    • 2008-02-19
    • US10195863
    • 2002-07-15
    • Steven Y. TianScott F. ShaferDaniel R. IbrahimRonald D. ShinogleAmy M. Hess
    • Steven Y. TianScott F. ShaferDaniel R. IbrahimRonald D. ShinogleAmy M. Hess
    • F02M37/04
    • F02M63/0225F02M47/027F02M63/0045
    • Reducing leakage within fuel injectors is one way in which the efficiency of the overall fuel injection system can be improved. In most fuel injectors that include a direct control needle valve, the needle valve member is still biased toward a closed position by a spring that is located in a spring chamber connected to a low pressure vent. In many instances, the needle valve member is guided in a tight clearance region adjacent the spring chamber. Since the internal plumbing of the fuel injector is connected to a high pressure rail during and between injection events, static leakage across the guide region of the needle valve member can reduce efficiency. Static leakage is reduced in the present invention by connecting the spring chamber to the common rail instead of to a low pressure vent. Such a fuel injector could find potential application in any directly controlled fuel injection system, but is particularly applicable in common rail systems in which the fuel injector remains fully pressurized between injection events.
    • 减少燃油喷射器内的泄漏是提高总体燃油喷射系统效率的一种方法。 在包括直接控制针阀的大多数燃料喷射器中,针阀构件仍然通过位于连接到低压通风口的弹簧室中的弹簧偏压到关闭位置。 在许多情况下,针阀构件在与弹簧室相邻的紧密间隙区域中被引导。 由于燃料喷射器的内部管道在喷射事件期间和在喷射事件期间连接到高压轨道,所以穿过针阀构件的引导区域的静态泄漏可以降低效率。 通过将弹簧室连接到共轨而不是低压通风口,本发明中静电泄漏减少。 这种燃料喷射器可以在任何直接控制的燃料喷射系统中发现潜在的应用,但是特别适用于燃油喷射器在喷射事件之间保持完全加压的共轨系统中。
    • 9. 发明授权
    • High pressure pump and method of reducing fluid mixing within same
    • 高压泵及减少流体混合的方法
    • US08261718B2
    • 2012-09-11
    • US11981875
    • 2007-11-01
    • Scott F. ShaferAlan R. Stockner
    • Scott F. ShaferAlan R. Stockner
    • F02M57/02
    • F02M59/442F02M63/0001Y10T137/85978
    • Mixing a pumped fluid with a lubrication fluid within a pump can undermine the lubricity of the lubrication fluid. In order to reduce mixing of fluids within a pump of the present disclosure, a pump is provided that comprises a housing, a piston, a first annulus, and a second annulus. The housing includes an inlet for the pumped fluid, an inlet for the lubrication fluid provided at a first pressure, and a piston bore fluidly coupled to the inlet for the pumped fluid. The piston is moveable within the piston bore. The first annulus is fluidly coupled to the inlet for the lubrication fluid. The second annulus is configured to be fluidly coupled to a drain circuit provided at a second pressure less than the first pressure. The first annulus and the second annulus are located along the length of the piston bore.
    • 将泵送的液体与泵内的润滑液混合可能会损害润滑液的润滑性。 为了减少本公开的泵内的流体的混合,提供了包括壳体,活塞,第一环和第二环的泵。 壳体包括用于泵送流体的入口,用于在第一压力下提供的润滑流体的入口以及与泵送流体的入口流体耦合的活塞孔。 活塞可在活塞孔内移动。 第一环与流体连接到用于润滑流体的入口。 第二环状结构被配置为流体耦合到在小于第一压力的第二压力下提供的排水回路。 第一环和第二环沿着活塞孔的长度定位。