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    • 55. 发明申请
    • PRESSURE REGULATING VALVE FOR AIRCRAFT ENGINE
    • 用于飞机发动机的压力调节阀
    • US20140033730A1
    • 2014-02-06
    • US14050721
    • 2013-10-10
    • PRATT & WHITNEY CANADA CORP.
    • Johnny VinskiDaniel BlaisStephane Fortier
    • F02C7/00
    • F02C7/00F02C7/232F05D2260/85F16K11/0716G05D16/106Y10T137/2574Y10T137/2605Y10T137/2612Y10T137/2622Y10T137/2625Y10T137/2627Y10T137/2642Y10T137/8671Y10T137/86879Y10T137/86887
    • The fluid pressure regulating valve is for use in an aircraft engine. The valve has at least a first fluid inlet, a first fluid outlet and a second fluid outlet. The valve comprises: a valve housing having a first valve spool interior cavity; a first fluid path within the valve housing from the fluid inlet to the first fluid outlet; a second fluid path within the valve housing from the fluid inlet to the second fluid outlet; a first valve spool mounted for reciprocal motion within the first valve spool cavity between a first position and a second position, the first valve spool having a second valve spool interior cavity and being spring-biased to its first position; and a second valve spool mounted for reciprocal motion within the second valve spool cavity between a first position and a second position, the second valve spool being spring-biased to its first position, the second valve spool closing the first fluid path at its second position when the first valve spool is substantially at its first position.
    • 流体压力调节阀用于飞机发动机。 阀具有至少第一流体入口,第一流体出口和第二流体出口。 该阀包括:具有第一阀芯内腔的阀壳; 所述阀壳体内的从所述流体入口到所述第一流体出口的第一流体路径; 所述阀壳体内的从所述流体入口到所述第二流体出口的第二流体路径; 第一阀芯,其安装成在第一阀芯腔内在第一位置和第二位置之间往复运动,第一阀芯具有第二阀芯内腔,并被弹簧偏置到其第一位置; 以及第二阀芯,其安装成在第二阀芯腔内在第一位置和第二位置之间往复运动,所述第二阀芯被弹簧偏置到其第一位置,所述第二阀芯在其第二位置处关闭所述第一流体路径 当第一阀芯基本处于其第一位置时。
    • 57. 发明授权
    • Valve
    • US08091577B2
    • 2012-01-10
    • US11667049
    • 2005-11-08
    • Takeharu MatsuzakiShigeto Nakajima
    • Takeharu MatsuzakiShigeto Nakajima
    • G05D11/00
    • F16K17/04F16K15/026Y10T137/2642Y10T137/2663Y10T137/87499Y10T137/87756
    • A valve seat 20 is arranged between the supply circuit 8 and a downstream circuit 18. A valve body 21 blocks a fluid flow between the supply circuit 8 and the downstream circuit 18 by contacting the valve seat 20. The valve body 21 connects the supply circuit 8 to the downstream circuit 18 for supplying the fluid to the downstream circuit 18 by separating from the valve seat 20. A through hole 24 extends through the valve body 21 and thus defines a part of the supply circuit 8. The through hole 24 is defined in such a manner that the fluid that has flowed from the through hole 24 proceeds between the valve seat 20 and the valve body 21 and is thus supplied to the downstream circuit 18. The valve body 21 is formed in such a manner that a pressure receiving area at an upstream side of the through hole 24 is smaller than a pressure receiving area at a downstream side of the through hole 24. This reduces a pressure loss caused by the fluid passing through a backflow prevention structure that permits forward fluid flow from the supply circuit 8 to the downstream circuit 18 but prohibits backflow of the fluid.
    • 阀座20​​布置在供应回路8和下游回路18之间。阀体21通过接触阀座20来阻塞供应回路8和下游回路18之间的流体流动。阀体21将供应回路 8到下游回路18,用于通过与阀座20分离将流体供给下游回路18.通孔24延伸穿过阀体21,从而限定供应回路8的一部分。通孔24被限定 使得从通孔24流出的流体在阀座20和阀体21之间进行,并且因此被供给到下游回路18.阀体21形成为使得压力接收 在通孔24的上游侧的区域小于通孔24的下游侧的受压面积。这减小了通过防回流结构体的流体引起的压力损失 在允许从供应回路8流向下游回路18的流体流动,但是禁止流体的回流。
    • 59. 发明申请
    • PRESSURE REGULATING VALVE FOR AIRCRAFT ENGINE
    • 用于飞机发动机的压力调节阀
    • US20100187451A1
    • 2010-07-29
    • US12361771
    • 2009-01-29
    • JOHNNY VINSKIDaniel BLAISStephane FORTIER
    • JOHNNY VINSKIDaniel BLAISStephane FORTIER
    • F16K31/12
    • F02C7/00F02C7/232F05D2260/85F16K11/0716G05D16/106Y10T137/2574Y10T137/2605Y10T137/2612Y10T137/2622Y10T137/2625Y10T137/2627Y10T137/2642Y10T137/8671Y10T137/86879Y10T137/86887
    • The fluid pressure regulating valve is for use in an aircraft engine. The valve has at least a first fluid inlet, a first fluid outlet and a second fluid outlet. The valve comprises: a valve housing having a first valve spool interior cavity; a first fluid path within the valve housing from the fluid inlet to the first fluid outlet; a second fluid path within the valve housing from the fluid inlet to the second fluid outlet; a first valve spool mounted for reciprocal motion within the first valve spool cavity between a first position and a second position, the first valve spool having a second valve spool interior cavity and being spring-biased to its first position; and a second valve spool mounted for reciprocal motion within the second valve spool cavity between a first position and a second position, the second valve spool being spring-biased to its first position, the second valve spool closing the first fluid path at its second position when the first valve spool is substantially at its first position.
    • 流体压力调节阀用于飞机发动机。 阀具有至少第一流体入口,第一流体出口和第二流体出口。 该阀包括:具有第一阀芯内腔的阀壳; 所述阀壳体内的从所述流体入口到所述第一流体出口的第一流体路径; 所述阀壳体内的从所述流体入口到所述第二流体出口的第二流体路径; 第一阀芯,其安装成在第一阀芯腔内在第一位置和第二位置之间往复运动,第一阀芯具有第二阀芯内腔,并被弹簧偏置到其第一位置; 以及第二阀芯,其安装成在第二阀芯腔内在第一位置和第二位置之间往复运动,所述第二阀芯被弹簧偏置到其第一位置,所述第二阀芯在其第二位置处关闭所述第一流体路径 当第一阀芯基本处于其第一位置时。