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383 条记录 (耗时 0.027 秒)

    Systems and methods for providing surge relief
    1.
    发明授权
    Systems and methods for providing surge relief 有权

    公开(公告)号：US11965603B2

    公开(公告)日：2024-04-23

    申请号：US18082775

    申请日：2022-12-16

    申请人： Celeros Flow Technology, LLC

    发明人： Christopher Lee ,  Mark Lewandowski

    IPC分类号： F16K17/18 ,  F16K17/04 ,  F17D3/14 ,  F17D5/00

    CPC分类号： F16K17/18 ,  F16K17/04 ,  F17D3/14 ,  F17D5/00 ,  Y10T137/7758 ,  Y10T137/776

    摘要： The present disclosure pertains to a system configured to protect flows in piping systems using minimal spare components. Some embodiments may provide: a first piping subsystem configured to receive a portion of the input flow; a second piping subsystem configured to receive the portion of the input flow by substituting for the first subsystem; a test subsystem configured to detect whether each of the first and second subsystems is able to vent when at least one, in the each subsystem, of a respective pressure and a respective pressure rate satisfies first and second criteria, respectively; and first and second pilots configured to detect a maximum pressure and a maximum pressure rate, respectively, of the portion of the first and second subsystems.

    Method for autonomous control of a chemical injection system for oil and gas wells
    4.
    发明授权
    Method for autonomous control of a chemical injection system for oil and gas wells 有权

    公开(公告)号：US09523262B2

    公开(公告)日：2016-12-20

    申请号：US14790429

    申请日：2015-07-02

    申请人： National Coupling Company Inc.

    发明人： Robert E. Smith, IV ,  Maurice Slot ,  Richard R. Watson

    IPC分类号： E21B34/16 ,  E21B37/06 ,  E21B41/02 ,  G05D7/06 ,  G05B15/02

    CPC分类号： E21B37/06 ,  E21B34/16 ,  E21B41/02 ,  G05B15/02 ,  G05D7/0635 ,  Y10T137/0368 ,  Y10T137/0379 ,  Y10T137/7759 ,  Y10T137/776 ,  Y10T137/7761

    摘要： A control program for a positive displacement metering system measures the time required for the travel of a free piston in a cylinder of known volume to determine an average flow rate during a full stroke of the piston. The system may also measure and record the inlet and outlet pressures or the differential pressure between the fluid inlet and outlet. The control program positions a four-way valve which may function as an adjustable metering orifice in response to the measured average flow rate and/or changes in the inlet and outlet pressures to achieve the desired flow rate. At the end of each stroke, the four-way valve is repositioned to reverse fluid flow through the metering cylinder. The system may revise the valve position settings for both forward and reverse strokes based on the measured time required for a full stroke at a certain valve position. In this way, the system automatically and iteratively compensates for changes in fluid properties and fluid pressure. A cleaning cycle which progressively opens the valve stepwise and may culminate in full open valve travel in both fluid flow directions is provided in the event of an obstruction of the valve orifice.

    Household electronic mixing-valve device
    5.
    发明授权
    Household electronic mixing-valve device 有权
    家用电子混合阀装置

    公开(公告)号：US09464414B2

    公开(公告)日：2016-10-11

    申请号：US14012379

    申请日：2013-08-28

    申请人： SMARTAP A.Y LTD

    发明人： Yuval Shapira

    IPC分类号： G05D23/19 ,  E03C1/04 ,  E03C1/05 ,  F16K11/00 ,  G05D23/13

    CPC分类号： E03C1/04 ,  E03C1/055 ,  F16K19/006 ,  G05D23/1393 ,  Y10T137/2499 ,  Y10T137/2529 ,  Y10T137/776 ,  Y10T137/87684

    摘要： A household electronic mixing-valve faucet for controlling a temperature of a mixed stream discharging from the faucet, including: (a) a faucet body; (b) a controller; (c) a first powered valve fluidly connected to the hot water flowpath; (d) a second powered valve fluidly connected to the cold water flowpath; (e) an arrangement adapted to determine extents of opening of the valves; (f) temperature sensors, operative to sense a temperature of fluids within the hot and cold water flowpaths; and pressure sensors; the controller adapted to maintain a difference between an actual temperature of the mixed stream and a setpoint temperature thereof within a particular range.

    摘要翻译： 一种用于控制从龙头排出的混合流的温度的家用电子混合阀龙头，包括：（a）水龙头体; （b）控制人; （c）流体连接到热水流路的第一动力阀; （d）流体连接到冷水流路的第二动力阀; （e）适于确定阀的打开范围的装置; （f）温度传感器，用于感测热水和冷水流路内的流体的温度; 和压力传感器; 控制器适于保持混合流的实际温度和其特定范围内的设定点温度之间的差。

    Apparatus for dividing and supplying gas and method for dividing and supplying gas by use of this apparatus
    7.
    发明授权
    Apparatus for dividing and supplying gas and method for dividing and supplying gas by use of this apparatus 有权
    用于分配和供应气体的装置和使用该装置分配和供应气体的方法

    公开(公告)号：US09261884B2

    公开(公告)日：2016-02-16

    申请号：US13779101

    申请日：2013-02-27

    申请人： Fujikin Incorporated

    发明人： Yohei Sawada ,  Nobukazu Ikeda ,  Ryousuke Dohi ,  Kouji Nishino

    IPC分类号： G05D7/06

    CPC分类号： G05D7/0641 ,  G05D7/0664 ,  Y10T137/0368 ,  Y10T137/776

    摘要： A gas dividing/supplying apparatus includes a pressure-type flow control system, a plurality of divided flow passages connected in parallel with each other and through which gas flowing from the pressure-type flow control system is divided and supplied to a process chamber, thermal-type mass flow sensors disposed in the divided flow passages, respectively, motor-operated valves disposed on a downstream side of the thermal-type mass flow sensors, respectively, and switching-type controllers that control opening and closing of the motor-operated valves, respectively, and, in the apparatus, the switching-type controllers perform switching between valve opening control for maintaining the motor-operated valves at a predetermined fixed valve opening degree based on a valve opening control command signal and divided flow control for regulating an opening degree of each of the motor-operated valves by feedback control based on a flow detection signal of the thermal-type mass flow sensor by a divided flow control command signal.

    摘要翻译： 气体分配/供给装置包括压力式流量控制系统，多个彼此并联连接的分流流路，从压力式流量控制系统流出的气体通过该流路分配并供给到处理室，热量 分别设置在分流道中的质量流量传感器分别设置在热型质量流量传感器的下游侧的电动阀以及控制电动阀的开闭的开关型控制器 并且在该装置中，开关型控制器基于开阀控制命令信号进行将电动阀维持在预定的固定阀开度的开阀控制之间的切换，以及用于调节开度的分流控制 通过基于热型质量流量传感器的流量检测信号的反馈控制来计算每个电动阀的程度 分流控制指令信号。

    MASS FLOW CONTROLLER FOR IMPROVED PERFORMANCE ACROSS FLUID TYPES
    8.
    发明申请
    MASS FLOW CONTROLLER FOR IMPROVED PERFORMANCE ACROSS FLUID TYPES 有权
    用于改善流体性能的大流量控制器

    公开(公告)号：US20150362924A1

    公开(公告)日：2015-12-17

    申请号：US14837344

    申请日：2015-08-27

    申请人： Hitachi Metals, Ltd.

    发明人： Alexei V. Smirnov

    IPC分类号： G05D7/06

    CPC分类号： G05D7/0635 ,  G05D7/0629 ,  Y10T137/0368 ,  Y10T137/7759 ,  Y10T137/776

    摘要： Mass flow controllers and methods for improving the control of a flow of a variety of fluid types are described. The method includes selecting a process gas type for the process gas that will be controlled and obtaining molecular mass information for the selected processed gas type. General characterization data is obtained that includes, for each of a plurality of flow and pressure value pairs, a corresponding control signal value and operating characterization data is generated by modifying the flow values in the general characterization data based upon the molecular mass for the selected process gas type. The operating characterization data is then used to operate a valve of the mass flow controller in open loop control mode.

    摘要翻译： 描述了用于改善各种流体类型的流动的控制的质量流量控制器和方法。 该方法包括选择待控制的工艺气体的工艺气体类型，并获得所选择的加工气体类型的分子量信息。 获得一般表征数据，其包括对于多个流量和压力值对中的每一个，相应的控制信号值和操作表征数据通过基于所选择的过程的分子质量修改一般表征数据中的流量值来生成 气体类型。 然后，操作特征数据用于在开环控制模式下操作质量流量控制器的阀。

    FLOW CONTROL VALVE AND FLOW CONTROL SYSTEM USING SAME
    9.
    发明申请
    FLOW CONTROL VALVE AND FLOW CONTROL SYSTEM USING SAME 审中-公开
    流量控制阀和流量控制系统

    公开(公告)号：US20150168959A1

    公开(公告)日：2015-06-18

    申请号：US14518200

    申请日：2014-10-20

    申请人： ADVANCE DENKI KOGYO KABUSHIKI KAISHA

    发明人： Kimihito Sasao

    IPC分类号： G05D16/10 ,  F16K15/14 ,  F16K31/122 ,  F16K31/124

    CPC分类号： G05D7/0113 ,  Y10T137/776 ,  Y10T137/7791

    摘要： A flow control valve is provided with an inflow side block which is provided with a main inflow part, an inflow side chamber, and an intermediate outflow part, an outflow side block which is provided with en intermediate inflow part, an outflow side chamber, a valve seat, and a main outflow part, a connection block which connects the inflow side block and the outflow side block, a connection flow path which connects the intermediate outflow part and the intermediate inflow part, a pressure differential device part, a first diaphragm to which a constant pressure is applied at all times, and a second diaphragm which is provided with a valve element which operates to advance and retract with respect to a valve seat, the connection block has a connection chamber, holds a transmission member which can transmit fluctuation of one diaphragm to the other.

    摘要翻译： 流量控制阀设置有流入侧块，该流入侧块设置有主流入部，流入侧室和中间流出部，流出侧块，设置有中间流入部，流出侧室， 阀座和主流出部，连接流入侧块和流出侧块的连接块，连接中间流出部和中间流入部的连接流路，压差装置部，第一隔膜 一直施加恒定压力的第二隔膜和设置有相对于阀座前进和后退的阀元件的第二隔膜，连接块具有连接室，保持能够传递波动的传输构件 一个隔膜到另一个。