CN104813087B - 可调节套筒阀 - Google Patents

可调节套筒阀 Download PDF

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Publication number
CN104813087B
CN104813087B CN201380061872.2A CN201380061872A CN104813087B CN 104813087 B CN104813087 B CN 104813087B CN 201380061872 A CN201380061872 A CN 201380061872A CN 104813087 B CN104813087 B CN 104813087B
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valve
travel stop
housing
sleeve
valve according
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CN104813087A (zh
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R.理查森
R.王
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Raytheon Technologies Corp
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United Technologies Corp
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/12Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened
    • F16K1/123Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened with stationary valve member and moving sleeve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/12Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened
    • F16K1/126Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened actuated by fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/52Means for additional adjustment of the rate of flow
    • F16K1/523Means for additional adjustment of the rate of flow for limiting the maximum flow rate, using a stop

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Lift Valve (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Multiple-Way Valves (AREA)
  • Prostheses (AREA)
  • Sliding Valves (AREA)

Abstract

一种阀包括壳体。套筒至少部分地被壳体包围。套筒可相对于壳体和行进止挡滑动,行进止挡可与套筒接合,以限制套筒的行进。

Description

可调节套筒阀
背景
本公开要求2012年11月27日提交的美国临时专利公开No. 61/730,468的优先权。
技术领域
本公开大体涉及阀,并且更特别地,涉及用于在航天应用中使用的可调节套筒阀的实施例。
背景技术
通常使用用于的宇航运载工具的阀来调整流体流。传统上,通过改变各种开环控制系统中的主推进剂阀附近的微调孔板来实现流体混合比调节,例如,优化液体推进火箭发动机中的推进剂的混合比。这个过程是重复的、比较耗时,而且当与推进剂馈送管线相关联时,可能需要进行后续吹扫和泄漏检验。
附图说明
根据公开的非限制性实施例的以下详细描述,各种特征对本领域技术人员将是显而易见的。伴随详细描述的附图可简要描述如下:
图1是根据一个公开的非限制性实施例的套筒阀的一般示意性截面图;以及
图2是根据一个公开的非限制性实施例的用于图1的阀的行进止挡的透视图。
具体实施方式
图1示意性地示出结构基本为管状的阀20,但诸如直线的其它形状也将从中受益。可采用套筒阀来控制用于单推进剂和双推进剂推进器的推进剂流控制阀中的流体的流率和输送压力,以提供例如航天器推进系统中的LOX和LH2推进剂的关闭阀的可靠性和性能。应当理解,套筒阀可轻易地应用于工业管道系统、水力设施、农业设施、配水系统、医疗和其它这样的系统,因为通常使用套筒阀是因为它们能够以实际上这不依赖于管线压力的促动力运行。
根据一个公开的非限制性实施例,阀20大体包括壳体22、流转向器24、套筒26、弹簧28、行进止挡30和行进止挡锁32。壳体22沿着指向位于下游的流转向器24的轴线A限定膛孔34。流转向器24可至少部分地为锥形,以将流从入口34沿径向向外引导通过平行于且围绕轴线A布置的多个出口通道36。
套筒26位于膛孔34内,并且包括径向向外指向的凸缘38。凸缘38分开环形促动入口40,环形促动入口40选择性地通过第一端口42和/或第二端口44接收流体压力,第一端口42和/或第二端口44定位成在凸缘38的任一侧与环形促动入口40连通。应当理解,可用诸如O形圈、密封环、通道密封件等密封件来针对气体流或外部流体流而密封壳体22、流转向器24、套筒26、凸缘38、膛孔34和环形促动入口40之间的交接部46。
弹簧28可位于环形促动入口40内,使得例如应用到第一端口42中的流体压力克服弹簧偏压,以驱动套筒26远离流转向器24来打开阀20。在这个示例中,第二端口44可起排出口的作用。备选地,第二端口44可与流体压力源处于连通,以便作为弹簧28的补充或者备选方案,提供双向主动促动。
行进止挡30可包括断续的螺纹50,断续的螺纹50旋到环形促动入口40的内螺纹52中,以提供可调节的机械止挡来设定套筒26的行程极限。断续的螺纹50包括横向于螺纹56(图2)的多个线性槽口54,在线性槽口54内接收行进止挡锁32,以在旋转方面且从而沿轴向锁定行进止挡30。沿轴向调节行进止挡30有利于精确地调节单个阀内的流阻。应当理解,在线性槽口54之间的预定周向距离提供预定调节能力,并且减少不同循环之间的流阻变化。
行进止挡锁32大体包括带螺纹安装件60,带螺纹安装件60旋到壳体22中的带螺纹开口62中,以支承和固持键58,键58接合多个线性槽口54中的一个。带螺纹安装件60响应于带螺纹安装件60旋到壳体22中而沿轴向约束键58。也就是说,带螺纹安装件60旋转,而支承在多个线性槽口54中的一个的键58不旋转。
此外,通过从开口62中移除带螺纹安装件60,可通过与线性槽口52接合来从外部调节行进止挡30。也就是说,带螺纹安装件60和带螺纹开口62可较大,并且横向于轴线A,以有利于旋转地接近其中的行进止挡40,并且从而对阀20提供精确的调节。
从而阀20容许在诸如液体推进火箭发动机的各种开环控制系统中进行流体混合比调节,而不需要打通到推进剂管线中。
应当理解,相同参考标号在若干幅图中标识对应或相似的元件。还应当理解,虽然在示出的实施例中公开了特定构件布置,但其它布置也将从中受益。
虽然不同的非限制性实施例具有特别示出的构件,但本发明的实施例不限于那些特定组合。使用来自任何非限制性实施例的一些构件或特征与来自任何其它非限制性实施例的特征或构件是可行的。
在描述的语境中(尤其是在所附权利要求的语境中)对用语“一”和“一个”和“该”和类似参考的使用要理解为覆盖单数和复数两者,除非本文另有指示,或者明确与上下文相矛盾。与数量结合起来使用的修饰语“大约”包括所叙述的值,而且具有上下文规定的意思(例如,它包括与特定数量的测量相关联的误差度)。本文公开的所有范围都包括端点,而且端点可独立地彼此结合。
虽然显示、描述和声明了特定步骤顺序,但应当理解的是,可按任何顺序执行步骤,分开或结合起来执行,除非另有指示,而且步骤将受益于本公开。
前述描述是示例性的,而非被其内的限制限定。在本文公开了各种非限制性实施例,但是,本领域普通技术人员将认识到,按照以上教导,各种修改和变型将落在所附权利要求的范围内。因此要理解的是,在所附权利要求的范围内,可不像特别描述的那样实践本公开。由此,应当研究所附权利要求来确定真实范围和内容。

Claims (9)

1.一种阀,包括:
壳体,其限定阀的入口和出口;
至少部分地被所述壳体包围的套筒,所述套筒可相对于所述壳体滑动;以及
行进止挡,其可与所述套筒接合,以限制所述套筒的行程,
其中,所述行进止挡包括断续的螺纹,所述断续的螺纹包括横向于所述螺纹的多个线性槽口。
2.根据权利要求1所述的阀,其特征在于,所述阀是套筒阀。
3.根据权利要求1所述的阀,其特征在于,所述行进止挡相对于所述壳体而设置。
4.根据权利要求1所述的阀,其特征在于,所述断续的螺纹包括平行于所述套筒的轴线的多个线性槽口。
5.根据权利要求1所述的阀,其特征在于,所述阀进一步包括行进止挡锁,其可与所述多个线性槽口中的一个接合,以在旋转方面锁定所述行进止挡。
6.根据权利要求5所述的阀,其特征在于,所述行进止挡锁可安装到所述壳体上。
7.根据权利要求6所述的阀,其特征在于,所述行进止挡锁包括接收在所述多个线性槽口中的一个内的键。
8.根据权利要求7所述的阀,其特征在于,所述键沿轴向被旋到所述壳体中的带螺纹安装件约束。
9.根据权利要求8所述的阀,其特征在于,可通过用于所述带螺纹安装件的带螺纹孔口来接近所述行进止挡。
CN201380061872.2A 2012-11-27 2013-03-14 可调节套筒阀 Active CN104813087B (zh)

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US201261730468P 2012-11-27 2012-11-27
US61/730468 2012-11-27
PCT/US2013/031603 WO2014084890A1 (en) 2012-11-27 2013-03-14 Adjustable sleeve valve

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CN104813087B true CN104813087B (zh) 2017-11-17

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EP3220023B1 (en) * 2016-03-15 2020-12-23 Hamilton Sundstrand Corporation Directional control valve
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US10337648B2 (en) 2017-06-08 2019-07-02 Thomas A. Hartman Fixed cone sleeve valve with finger extensions on sleeve gate for cavitation suppression
CN113049260B (zh) * 2021-02-25 2022-08-19 北京星际荣耀空间科技股份有限公司 一种姿控发动机液流试验系统及姿控发动机液流试验方法

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EP2926041A1 (en) 2015-10-07
US20150300503A1 (en) 2015-10-22
EP2926041B1 (en) 2019-05-01
CN104813087A (zh) 2015-07-29
WO2014084890A1 (en) 2014-06-05
US9574668B2 (en) 2017-02-21
EP2926041A4 (en) 2015-12-23
JP6117370B2 (ja) 2017-04-19
JP2015535577A (ja) 2015-12-14

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