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公开(公告)号：US09235219B2
公开(公告)日：2016-01-12
申请号：US14134394
申请日：2013-12-19
发明人： Parthiban Arunasalam , Arvind Rao
CPC分类号： G05D7/0694 , F25B41/062 , F25B49/02 , F25B2400/15 , F25B2600/2519 , F25B2700/135 , G01F1/684 , G01F1/69 , G01F15/005 , Y10T137/7759 , Y10T137/7761
摘要： A system for controlling the flow of a fluid from a source to a load includes a source. An on/off type of control valve communicates with the source. A micro-electric mechanical system communicates with the on/off type of control valve. A consuming device communicates with the micro-electric mechanical system. An electronic controller that communicates with the consuming device and the source. The electronic controller measures a change in a parameter of the micro-electric mechanical system that results from the flow of fluid through the micro-electric mechanical system to sense a flow of fluid through a micro-electric mechanical system.
摘要翻译： 用于控制流体从源到负载的流动的系统包括源。 开/关型控制阀与源连接。 微电机械系统与开/关型控制阀相通。 消耗装置与微机电系统通信。 与消耗设备和源通信的电子控制器。 电子控制器测量由通过微电机械系统的流体流动导致的微电机械系统的参数的变化，以感测通过微电机械系统的流体的流动。
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公开(公告)号：US09772235B2
公开(公告)日：2017-09-26
申请号：US14585785
申请日：2014-12-30
CPC分类号： G01K13/02 , G01K15/005 , G01K2013/026 , G01K2201/00
摘要： A method of sensing superheat includes the steps of: (a) connecting a fluid inlet member of a superheat sensor to one of a plurality of fluid systems; (b) allowing fluid to flow from the fluid system to which the superheat sensor is connected to the superheat sensor; (c) sensing a temperature of the fluid in the fluid system with one of an internal temperature sensor mounted within a housing of the superheat sensor and an external temperature sensor mounted outside of the housing of the superheat sensor; and (d) calculating a superheat of the fluid in the fluid system.
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公开(公告)号：US09714780B2
公开(公告)日：2017-07-25
申请号：US14655517
申请日：2014-06-24
CPC分类号： F25B41/04 , F25B13/00 , F25B41/062 , F25B49/02 , F25B2341/0661 , F25B2400/15 , F25B2600/2513 , F25B2700/1933 , F25B2700/21151
摘要： A refrigeration system includes a compressor, a condenser fluidly connected to the compressor, an evaporator fluidly connected to the condenser and the compressor, such that fluid may flow from the compressor through the condenser, through the evaporator, and again through the compressor. An expansion device is fluidly connected between the condenser and the evaporator, and a micro-expansion valve is also connected between the condenser and the evaporator.
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公开(公告)号：US09328850B2
公开(公告)日：2016-05-03
申请号：US14313147
申请日：2014-06-24
IPC分类号： F16K99/00
CPC分类号： F16K99/0021 , F16K99/0011 , F16K99/0044 , F16K99/0055 , F16K2099/008 , Y10T137/2213 , Y10T137/2224 , Y10T137/3084
摘要： A microvalve includes a base plate having a surface defining an actuator cavity. A venting groove extends from a first cavity portion of the actuator cavity having a dead end region to a second cavity portion of the actuator cavity having a structure that can vent air from the microvalve. A cover plate includes a surface having an actuator cavity provided therein that includes a first cavity portion having a dead end region and a second cavity portion having a structure that can vent air from the microvalve. An intermediate plate includes a displaceable member that is disposed within the actuator cavity for movement between a closed position, wherein the displaceable member prevents fluid communication through the microvalve, and an opened position, wherein the displaceable member does not prevent fluid communication through the microvalve.
摘要翻译： 微型阀包括具有限定致动器腔的表面的基板。 排气槽从具有死端区域的致动器空腔的第一空腔部分延伸到致动器空腔的第二空腔部分，其具有能够从微型阀排出空气的结构。 盖板包括具有设置在其中的致动器腔的表面，其包括具有死端区域的第一空腔部分和具有能够从微型阀排出空气的结构的第二空腔部分。 中间板包括设置在致动器腔内的可移动构件，用于在关闭位置之间移动，其中可移位构件防止通过微型阀的流体连通和打开位置，其中可移位构件不阻止流体通过微型阀连通。
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公开(公告)号：US09188375B2
公开(公告)日：2015-11-17
申请号：US14096799
申请日：2013-12-04
CPC分类号： F25B41/062 , F16K3/26 , F16K15/183 , F16K31/42 , F16K99/0011 , F25B41/046 , G05D7/0635 , G05D16/166 , Y10T137/2554
摘要： An arrangement includes a housing defining a first and second ports. A first passageway provides communication between the ports; a second passageway provides communication with the first port. An element is disposed in the housing and positioned by a balance of forces, the element is positionable to throttled positions for controlling flow through the first passageway in a first direction and to an open position to permit unrestricted flow in a second direction. A check valve is disposed in the second passageway for preventing flow therein from the first port when pressure in the first port is greater than pressure in the second port, and permitting flow through the second passageway to the first port when pressure in the first port is less than the pressure in the second port thereby affecting the balance of forces acting on the element so the element is urged toward the fully open position.
摘要翻译： 一种装置包括限定第一和第二端口的壳体。 第一通道提供端口之间的通信; 第二通道提供与第一端口的通信。 元件设置在壳体中并且通过力的平衡来定位，元件可定位到节流位置，用于控制沿第一方向流过第一通道的流动，并且到打开位置以允许在第二方向上的不受限制的流动。 当所述第一端口中的压力大于所述第二端口中的压力时，止回阀设置在所述第二通道中用于防止从所述第一端口流入，并且当所述第一端口中的压力为 小于第二端口中的压力，从而影响作用在元件上的力的平衡，使得元件被推向完全打开位置。
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公开(公告)号：US20140373937A1
公开(公告)日：2014-12-25
申请号：US14313147
申请日：2014-06-24
IPC分类号： F16K24/04
CPC分类号： F16K99/0021 , F16K99/0011 , F16K99/0044 , F16K99/0055 , F16K2099/008 , Y10T137/2213 , Y10T137/2224 , Y10T137/3084
摘要： A microvalve includes a base plate having a surface defining an actuator cavity. A venting groove extends from a first cavity portion of the actuator cavity having a dead end region to a second cavity portion of the actuator cavity having a structure that can vent air from the microvalve. A cover plate includes a surface having an actuator cavity provided therein that includes a first cavity portion having a dead end region and a second cavity portion having a structure that can vent air from the microvalve. An intermediate plate includes a displaceable member that is disposed within the actuator cavity for movement between a closed position, wherein the displaceable member prevents fluid communication through the microvalve, and an opened position, wherein the displaceable member does not prevent fluid communication through the microvalve.
摘要翻译： 微型阀包括具有限定致动器腔的表面的基板。 排气槽从具有死端区域的致动器空腔的第一空腔部分延伸到致动器空腔的第二空腔部分，其具有能够从微型阀排出空气的结构。 盖板包括具有设置在其中的致动器腔的表面，其包括具有死端区域的第一空腔部分和具有能够从微型阀排出空气的结构的第二空腔部分。 中间板包括设置在致动器腔内的可移动构件，用于在关闭位置之间移动，其中可移位构件防止通过微型阀的流体连通和打开位置，其中可移位构件不阻止流体通过微型阀连通。
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公开(公告)号：US20150153081A1
公开(公告)日：2015-06-04
申请号：US14096799
申请日：2013-12-04
CPC分类号： F25B41/062 , F16K3/26 , F16K15/183 , F16K31/42 , F16K99/0011 , F25B41/046 , G05D7/0635 , G05D16/166 , Y10T137/2554
摘要： An arrangement includes a housing defining a first and second ports. A first passageway provides communication between the ports; a second passageway provides communication with the first port. An element is disposed in the housing and positioned by a balance of forces, the element is positionable to throttled positions for controlling flow through the first passageway in a first direction and to an open position to permit unrestricted flow in a second direction. A check valve is disposed in the second passageway for preventing flow therein from the first port when pressure in the first port is greater than pressure in the second port, and permitting flow through the second passageway to the first port when pressure in the first port is less than the pressure in the second port thereby affecting the balance of forces acting on the element so the element is urged toward the fully open position.
摘要翻译： 一种装置包括限定第一和第二端口的壳体。 第一通道提供端口之间的通信; 第二通道提供与第一端口的通信。 元件设置在壳体中并且通过力的平衡来定位，元件可定位到节流位置，用于控制沿第一方向流过第一通道的流动，并且到打开位置以允许在第二方向上的不受限制的流动。 当所述第一端口中的压力大于所述第二端口中的压力时，止回阀设置在所述第二通道中用于防止从所述第一端口流入，并且当所述第一端口中的压力为 小于第二端口中的压力，从而影响作用在元件上的力的平衡，使得元件被推向完全打开位置。
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公开(公告)号：US09328832B2
公开(公告)日：2016-05-03
申请号：US14136985
申请日：2013-12-20
CPC分类号： F16K15/04 , F16K11/0716 , Y10T137/86831
摘要： A device is disclosed that may include a spool valve having a first connector and a second connector and a spool movable for controlling flow between the first connector and the second connector, regardless of direction of flow through the spool valve. A pilot valve having an inlet and an outlet develops a command pressure. A feedback circuit having an inlet and an outlet develops a feedback pressure. The spool valve may be responsive to the command pressure and the feedback pressure. A fluid rectifier circuit is provided to connect the higher pressure of the first connector and second connector to the pilot valve inlet and feedback circuit inlet, and connect the other of the first connector and second connector to the pilot valve outlet and feedback circuit outlet.
摘要翻译： 公开了一种可以包括具有第一连接器和第二连接器的滑阀和可移动的用于控制第一连接器和第二连接器之间的流动的线轴，而不管流过滑阀的流动方向如何。 具有入口和出口的先导阀产生指令压力。 具有入口和出口的反馈电路产生反馈压力。 滑阀可以响应于指令压力和反馈压力。 提供了一种流体整流器电路，用于将第一连接器和第二连接器的较高压力连接到先导阀入口和反馈回路入口，并将第一连接器和第二连接器中的另一个连接到先导阀出口和反馈回路出口。
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公开(公告)号：US20160003691A1
公开(公告)日：2016-01-07
申请号：US14854449
申请日：2015-09-15
IPC分类号： G01K13/02
CPC分类号： G01K13/02 , G01K15/005 , G01K2013/026 , G01K2201/00
摘要： A superheat sensor includes a housing, a pressure sensor mounted within the housing, and a processor. A fluid passageway connects the pressure sensor to a source of superheat fluid. An external temperature sensor is located outside the housing of the superheat sensor and is electrically connected to the processor. The external temperature sensor is also electronically connected to a component of a fluid system to which the superheat sensor is attached and is configured to provide one of an internal temperature of the component, an external temperature of the component, and a temperature of fluid in the component.
摘要翻译： 过热传感器包括壳体，安装在壳体内的压力传感器和处理器。 流体通道将压力传感器连接到过热流体源。 外部温度传感器位于过热传感器外壳的外部，并与处理器电连接。 外部温度传感器还电连接到过热传感器附接到的流体系统的部件，并且被配置为提供部件的内部温度，部件的外部温度以及部件中的流体的温度 零件。
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公开(公告)号：US20140374633A1
公开(公告)日：2014-12-25
申请号：US14313138
申请日：2014-06-24
IPC分类号： F16K99/00
CPC分类号： F16K99/0044 , F16K2099/0073
摘要： A microvalve includes a base plate including a surface, a recessed area provided within the surface, a first fluid port provided within the recessed area, and a first sealing structure extending about the first fluid port. The microvalve also includes a cover plate including a surface, a recessed area provided within the surface, a second fluid port provided within the recessed area, and a second sealing structure extending about the second fluid port. An intermediate plate is disposed between the base plate and the cover plate and includes a displaceable member that is movable between a closed position, wherein the displaceable member cooperates with the sealing structures to prevent fluid communication between the fluid ports, and an opened position, wherein the displaceable member does not cooperate with at least a portion of the sealing structures to prevent fluid communication between the fluid ports.
摘要翻译： 微型阀包括基板，其包括表面，设置在该表面内的凹陷区域，设置在凹陷区域内的第一流体端口以及围绕第一流体端口延伸的第一密封结构。 微型阀还包括盖板，其包括表面，设置在表面内的凹陷区域，设置在凹陷区域内的第二流体端口以及围绕第二流体端口延伸的第二密封结构。 中间板设置在基板和盖板之间，并且包括位移构件，其可在关闭位置之间移动，其中可移位构件与密封结构配合以防止流体端口之间的流体连通和打开位置，其中 可移位构件不与密封结构的至少一部分协作以防止流体端口之间的流体连通。
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