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公开(公告)号：US09027581B2
公开(公告)日：2015-05-12
申请号：US13089655
申请日：2011-04-19
申请人： David C. Butler
发明人： David C. Butler
CPC分类号： F16K31/16 , F16K31/003 , G05D16/0675 , G05D16/163 , Y10T137/0324 , Y10T137/0396 , Y10T137/7725 , Y10T137/773
摘要： Systems and methods provide pneumatic control of a slam shut valve system.
摘要翻译： 系统和方法提供了一种冲击关闭阀系统的气动控制。
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公开(公告)号：US20110259434A1
公开(公告)日：2011-10-27
申请号：US13089655
申请日：2011-04-19
申请人： David C. Butler
发明人： David C. Butler
IPC分类号： F16K31/16
CPC分类号： F16K31/16 , F16K31/003 , G05D16/0675 , G05D16/163 , Y10T137/0324 , Y10T137/0396 , Y10T137/7725 , Y10T137/773
摘要： Systems and methods provide pneumatic control of a slam shut valve system.
摘要翻译： 系统和方法提供了一种冲击关闭阀系统的气动控制。
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公开(公告)号：US20090078038A1
公开(公告)日：2009-03-26
申请号：US11916526
申请日：2006-04-03
IPC分类号： G01F7/00
CPC分类号： G05D7/0635 , G01F1/42 , G01F1/48 , Y10T137/7725 , Y10T137/87217
摘要： Provided are a flow meter and a flow-rate control system using the same that is capable of measuring a flow rate in a minute flow-rate region with excellent measurement accuracy by preventing or suppressing the generation of bubbles and in which accumulation of the fluid and the bubbles is less likely to occur. The flow meter is for measuring a minute flow rate of a fluid flowing through a fluid channel whose outlet environment is set to constant pressure, the flow meter including a flow-rate measurement conduit portion having a predetermined length connected to an outlet-side end of the fluid channel 1 and whose outlet environment is set to constant pressure by setting the cross-sectional area of a channel smaller than the fluid channel; a pressure sensor for detecting the pressure of the fluid at the upstream side of the flow-rate measurement conduit portion by being disposed near an outlet of the fluid channel 1; and a pressure-detection control unit 4 for calculating a flow rate from a fluid pressure detected at the pressure detection part.
摘要翻译： 提供了一种流量计和流量控制系统，其使用该流量计和流量控制系统，其能够通过防止或抑制气泡的产生来测量具有优异的测量精度的微小流量区域中的流量，并且其中流体和 气泡不太可能发生。 该流量计用于测量流过其出口环境设定为恒定压力的流体通道的流体的微小流量，该流量计包括具有预定长度的流量测量导管部分，该流量测量导管部分连接到出口侧端部 流体通道1的出口环境通过设定小于流体通道的通道的横截面面积而设定为恒定压力; 压力传感器，用于通过设置在流体通道1的出口附近来检测流量测量导管部分的上游侧的流体的压力; 以及压力检测控制单元4，用于根据在压力检测部分检测到的流体压力来计算流量。
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公开(公告)号：US06770062B2
公开(公告)日：2004-08-03
申请号：US10213785
申请日：2002-08-07
申请人： Trinh D. Phung , Daniel A. Boardman
发明人： Trinh D. Phung , Daniel A. Boardman
IPC分类号： A61M100
CPC分类号： A61M1/0031 , A61M1/0023 , Y10T137/2607 , Y10T137/7725
摘要： Featured is an automatic high-negative pressure relief valve and its use in combination with an apparatus for draining fluid from a body. In broad terms the negative pressure relief valve includes a biasing mechanism, a moveable member acted upon by the biasing mechanism and a seating surface. When the pressure within a chamber, in which a portion of the relief valve is in fluid communication with, is less than a predetermined negative pressure, the moveable member is moved by the biasing mechanism to sealing engage the seating surface and when the pressure is at or above the predetermined value, the restoring force of the biasing mechanism is overcome and the moveable member moves away from the seating surface. In an exemplary embodiment, the biasing mechanism is a spring, diaphragm or wave washer.
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公开(公告)号：US06634375B2
公开(公告)日：2003-10-21
申请号：US09982220
申请日：2001-10-17
申请人： John D. Olivas , Mark C. Martis , Patrick J. Cunningham , William Ronald Martis , Juan Olivas, Jr. , Ray D. Kelm
发明人： John D. Olivas , Mark C. Martis , Patrick J. Cunningham , William Ronald Martis , Juan Olivas, Jr. , Ray D. Kelm
IPC分类号： F16K1726
CPC分类号： F16K17/30 , Y10T137/1624 , Y10T137/7725 , Y10T137/778 , Y10T137/7781 , Y10T137/7835 , Y10T137/7841 , Y10T137/7842 , Y10T137/7869
摘要： A flow control valve is disclosed wherein a housing defines a flow chamber with an inlet and an outlet. Disposed within the flow chamber is a poppet assembly comprising an inner poppet and an outer poppet. A first spring is selected to bias the outer poppet to seal closed the inlet below a predetermined fluid flow rate. Above the fluid flow rate, the force of the fluid against the outer poppet compresses the spring, breaking the seal and allowing fluid to flow into the fluid flow chamber. Inside the outer poppet is an inner poppet which extends from the outer poppet. A second spring biases the inner poppet predominantly within the outer poppet, but an increased pressure inside the outer poppet collapses the second spring and extends the inner poppet in a fully extended position. Fully extended the inner poppet shuts the outlet of the fluid chamber thereby arresting the flow. In operation, the first spring shuts the valve below a predetermined flow rate guaranteeing zero flow until a minimum flow rate is present. Furthermore, if a leak occurs downstream (beyond the outlet) or the flow rate is above a predetermined maximum flow rate the second spring is collapsed by an upstream/downstream pressure differential causing the inner poppet to seal the outlet. Thus, the valve operates only between a minimum and maximum flow rate and seals in the event of a downstream leak.
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公开(公告)号：US20030040723A1
公开(公告)日：2003-02-27
申请号：US09934242
申请日：2001-08-21
IPC分类号： A61M005/00
CPC分类号： A61M39/223 , A61M5/168 , A61M5/16827 , Y10T137/7725 , Y10T137/8326 , Y10T137/86895
摘要： A pressure activated valve for a three-way connection between a catheter, an injector and a pressure transducer is disclosed. The valve includes a body that has an inlet for connection to an injector, an outlet for connection to a catheter and a secondary connection for connection to a pressure transducer. The body also includes a seal seat disposed between the secondary connection in both the inlet and the outlet. The body is flexibly connected to a plug seal. The plug seal is disposed between the seal seat in both the inlet and the outlet. The plug seal is movable between an open position spaced apart from the seal seat and biased towards the inlet and the outlet and a closed position against the seal seat thereby isolating the secondary connection from both the inlet and the outlet.
摘要翻译： 公开了用于导管，注射器和压力传感器之间的三通连接的压力启动阀。 阀包括具有用于连接到注射器的入口，用于连接到导管的出口和用于连接到压力传感器的次级连接的主体。 主体还包括设置在入口和出口两者之间的次级连接处的密封座。 主体柔性地连接到插头密封。 插头密封件设置在入口和出口两者的密封座之间。 插头密封件可以在与密封座隔开并且朝向入口和出口偏置的打开位置和抵靠密封座的关闭位置之间移动，从而将次级连接与入口和出口隔离。
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公开(公告)号：US20020074042A1
公开(公告)日：2002-06-20
申请号：US09982220
申请日：2001-10-17
发明人： John D. Olivas , Mark C. Martis , Patrick J. Cunningham , William Ronald Martis , Juan Olivas JR. , Ray D. Kelm
IPC分类号： F16K017/26
CPC分类号： F16K17/30 , Y10T137/1624 , Y10T137/7725 , Y10T137/778 , Y10T137/7781 , Y10T137/7835 , Y10T137/7841 , Y10T137/7842 , Y10T137/7869
摘要： A flow control valve is disclosed wherein a housing defines a flow chamber with an inlet and an outlet. Disposed within the flow chamber is a poppet assembly comprising an inner poppet and an outer poppet. A first spring is selected to bias the outer poppet to seal closed the inlet below a predetermined fluid flow rate. Above the fluid flow rate, the force of the fluid against the outer poppet compresses the spring, breaking the seal and allowing fluid to flow into the fluid flow chamber. Inside the outer poppet is an inner poppet which extends from the outer poppet. A second spring biases the inner poppet predominantly within the outer poppet, but an increased pressure inside the outer poppet collapses the second spring and extends the inner poppet in a fully extended position. Fully extended the inner poppet shuts the outlet of the fluid chamber thereby arresting the flow. In operation, the first spring shuts the valve below a predetermined flow rate guaranteeing zero flow until a minimum flow rate is present. Furthermore, if a leak occurs downstream (beyond the outlet) or the flow rate is above a predetermined maximum flow rate the second spring is collapsed by an upstream/downstream pressure differential causing the inner poppet to seal the outlet. Thus, the valve operates only between a minimum and maximum flow rate and seals in the event of a downstream leak.
摘要翻译： 公开了一种流量控制阀，其中壳体限定具有入口和出口的流动室。 设置在流动室内的是包括内提升阀和外提升阀的提升阀组件。 选择第一弹簧以偏压外部提升阀，以将入口密封到低于预定流体流速的情况。 在流体流速之上，流体抵靠外部提升阀的力压缩弹簧，破坏密封并允许流体流入流体流动室。 在外部提升阀内部是从外部提升阀延伸的内部提升阀。 第二弹簧主要在外提升阀内部偏压内提升阀，但是外部提升阀内的增加的压力使第二弹簧塌缩并且在完全伸出位置延伸内提升阀。 完全延伸内部提升阀关闭流体室的出口，从而阻止流动。 在操作中，第一弹簧将阀门关闭到低于保证零流量的预定流量，直到存在最小流量。 此外，如果下游（超出出口）发生泄漏或流量高于预定的最大流量，则第二弹簧被上游/下游压差压缩，从而使内部提升阀密封出口。 因此，阀门仅在最小和最大流量之间运行，并在下游泄漏的情况下进行密封。
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公开(公告)号：US06116268A
公开(公告)日：2000-09-12
申请号：US193570
申请日：1998-11-17
CPC分类号： F15B11/20 , E21B34/16 , Y10T137/0396 , Y10T137/7725 , Y10T137/777
摘要： A wellhead safety valve control system for opening and closing subsurface and surface safety valves in a predetermined sequence and certain components used with such control system. Dump valves in both latching and non-latching configurations are utilised within the control system. Embodiments of the dump valve may incorporate a time delay feature to ensure the subsurface safety valve is closed after a desired time period following the closure of the surface safety valve in the event of flowline anomalies. Provision is made for independent closure of the surface safety valve without closure of the subsurface safety valve.
摘要翻译： 一种用于以预定顺序打开和关闭地下和表面安全阀的井口安全阀控制系统以及与这种控制系统一起使用的某些部件。 在锁定和非锁定配置中的排放阀都在控制系统内使用。 倾倒阀的实施例可以包括时间延迟特征，以确保在流线异常情况下在表面安全阀关闭之后的期望时间段之后关闭地下安全阀。 规定独立关闭表面安全阀而不关闭地下安全阀。
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公开(公告)号：US5535777A
公开(公告)日：1996-07-16
申请号：US529032
申请日：1995-09-15
申请人： Giorgio Maracchi
发明人： Giorgio Maracchi
IPC分类号： F16K17/164 , F16K17/18 , F16K17/22 , F16K17/168
CPC分类号： F16K17/18 , F16K17/164 , F16K17/22 , Y10T137/7723 , Y10T137/7725 , Y10T137/7782 , Y10T137/8275
摘要： A gas flow safety valve assembly having a main housing of generally solid rigid construction with a main interior chamber divided into an upper compartment and a flow through compartment by a primary diaphragm. Further, the main housing includes an inlet passage leading into the flow through compartment and an outlet passage leading out of the flow through compartment. Upon a gas flow pressure within the flow through compartment dropping below a predetermined minimum acceptable gas flow rate, the primary diaphragm is downwardly displaced resulting in the engagement of a primary displacement member connected thereto with a lever element pivotally positioned within the main housing. The lever element which has a contact plate that engages a magnetic element disposed in the main housing is movable between a shut off orientation and a flow through orientation, the shut off orientation resulting in a blockage of gas flow through the outlet passage until the assembly is reset and the lever element is held in its flow through orientation by a lever biasing element that is sufficiently strong to maintain the lever element in its flow through orientation unless it is affirmatively urged into its shut off orientation, such as by the primary lever misplacement member.
摘要翻译： 一种气体流量安全阀组件，其具有大致坚固的刚性结构的主壳体，主室内腔室由主隔膜分隔成上隔室和流通室。 此外，主壳体包括引导通过隔室的入口通道和引导通过隔室的流出通道。 当流动隔室内的气体流量压力下降到预定的最小可接受气体流量以下时，主隔膜向下移位，导致与其连接的主位移构件与枢转定位在主壳体内的杠杆元件的接合。 具有与设置在主壳体中的磁性元件接合的接触板的杠杆元件可在关闭取向和流过取向之间移动，截止取向导致通过出口通道的气流阻塞，直到组件为 并且杠杆元件通过杠杆偏压元件保持在其流动中，杠杆偏压元件足够坚固以将杠杆元件保持在其流动方向上，除非它被肯定地被推入其关闭方位，例如通过主杠杆错位元件 。
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公开(公告)号：US4768539A
公开(公告)日：1988-09-06
申请号：US98444
申请日：1987-09-18
申请人： Ronald E. Pringle
发明人： Ronald E. Pringle
CPC分类号： F17D5/00 , E21B34/02 , F16K17/10 , Y10T137/1782 , Y10T137/7725 , Y10T137/7728 , Y10T137/773 , Y10T137/7733
摘要： A surface pipeline safety valve having a tubular member telescopically movable in the housing for controlling the movement of a valve closure member, a rod piston and cylinder assembly contacting and moving the tubular member in response to pressure in the bore of the housing in which the second side of the assembly is in communication with the atmosphere. High and low pressure responsive mechanisms for closing the valve. Seals in the assembly and high and low pressure responsive mechanisms are replaceable from the exterior of the housing.
摘要翻译： 一种表面管道安全阀，其具有可在壳体中可伸缩移动的管状构件，用于控制阀关闭构件的运动，杆活塞和气缸组件，其响应于壳体的孔中的压力而接触和移动管状构件，其中第二 装配的一边与大气沟通。 用于关闭阀门的高低压响应机构。 组装中的密封和高低压响应机构可从外壳的外部更换。
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