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公开(公告)号：US12006851B2
公开(公告)日：2024-06-11
申请号：US17435228
申请日：2020-02-25
申请人： FREEVALVE AB
发明人： Urban Carlson , Rowhan Toi Neilson
CPC分类号： F01L9/16 , F01L9/40 , F01P5/10 , F15B1/04 , F25B45/00 , G05D16/208 , F25B2345/006 , F25B2400/19 , F25B2600/2523
摘要： A pressure fluid handling system includes a closed pressure fluid circuit. The pressure fluid circuit includes, connected in series, a compressor and a pressure sink and a primary pressure fluid route from the compressor to the pressure sink and a secondary pressure fluid route from the pressure sink to the compressor. The pressure fluid handling system further includes a pressure fluid accumulator connected to the pressure fluid circuit via a first pressure fluid accumulator conduit. The first pressure fluid accumulator conduit includes a pump configured to pump pressure fluid from the pressure fluid circuit to the pressure fluid accumulator to lower the pressure levels in the pressure fluid circuit, and in that the pressure fluid handling system includes a controllable component for returning the pressure fluid from the pressure fluid accumulator to the pressure fluid circuit to increase the pressure levels in the pressure fluid circuit.
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公开(公告)号：US11910929B2
公开(公告)日：2024-02-27
申请号：US17347913
申请日：2021-06-15
发明人： Darin T. Thomas
CPC分类号： A47C27/083 , A47C27/061 , A47C27/062 , A47C27/064 , A47C27/082 , A47C27/10 , G05D16/208
摘要： In systems and methods for adjusting the firmness of a mattress assembly and/or modulating the pressure in a mattress assembly, a mattress assembly includes: a two-dimensional array of bladders; at least one pump that is in fluid communication with the bladders to provide air and/or fluid to the bladders; multiple valves that are interposed between the pump and the bladders to control the flow of air and/or fluid to or from the bladders; a pressure sensor operably connected to one or more of the bladders; and a controller in communication with the pump, the valves, and the pressure sensors. The controller is configured to selectively actuate the pump and one or more of the valves, while receiving feedback from the pressure sensors, in order to adjust the firmness of the mattress assembly and/or modulate the pressure in the mattress assembly.
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公开(公告)号：US20230205239A1
公开(公告)日：2023-06-29
申请号：US18176038
申请日：2023-02-28
发明人： Matthew Olson , Brian Matteucci , Suman Katanguri
CPC分类号： G05D16/208 , E21B33/06 , F15B1/04 , F15B15/20
摘要： A control system includes a closing unit including a tank including a usable volume of the control system, at least one primary pump configured to pump hydraulic fluid from the usable volume of the tank, a plurality of valves, and a first pressure transducer disposed between the at least one primary pump and at least one valve of the plurality of valves. The at least one primary pump, the pressure transducer, and the at least one valve of the plurality of valves are hydraulically connected with the tank. The first pressure transducer manages a start-stop operation of the at least one primary pump. Hydraulic fluid within the control system has a predetermined static pressure. The at least one pump is powered by an electric energy source.
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公开(公告)号：US09394895B2
公开(公告)日：2016-07-19
申请号：US14806235
申请日：2015-07-22
发明人： Weili Jiang
CPC分类号： F04B35/04 , F04B19/006 , F04B39/00 , F04B39/0005 , F04B39/0094 , F04B51/00 , G01L27/005 , G05D16/208
摘要： A multi-range on-site full-automatic pressure calibration instrument includes a housing, a power switch, a plurality of interfaces, a display, a keyboard, a gas pressure generation unit, a power supply unit, a pressure detection unit and a gas pressure control unit. The gas pressure generation unit is a gas pressurizing pump communicated with atmosphere. A pressure output port of the pressure control unit is in parallel connection with pressure connectors used for installation of a plurality of pressure standard devices with different ranges and a calibrated gauge. The pressure control unit is in signal connection with the pressure standard device. The power supply unit can supply power by batteries. The calibration instrument does not need to be externally connected with a gas cylinder or an alternating current power supply and can automatically generate a gas pressure and generate an accurate standard pressure.
摘要翻译： 多范围现场全自动压力校准仪器包括外壳，电源开关，多个接口，显示器，键盘，气体压力发生单元，电源单元，压力检测单元和气体 压力控制单元。 气体压力发生单元是与大气连通的气体加压泵。 压力控制单元的压力输出端口与用于安装具有不同范围的多个压力标准装置和校准量规的压力连接器并联连接。 压力控制单元与压力标准装置信号连接。 电源单元可以通过电池供电。 校准仪器不需要与气瓶或交流电源进行外部连接，可以自动产生气体压力并产生精确的标准压力。
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公开(公告)号：US20120285554A1
公开(公告)日：2012-11-15
申请号：US13065356
申请日：2011-05-13
申请人： Tom Lohkamp , Bill Stephens , Martin Gotch
发明人： Tom Lohkamp , Bill Stephens , Martin Gotch
CPC分类号： F04B49/065 , F04B39/10 , F04B49/22 , F04B53/10 , G05D16/2066 , G05D16/208 , Y10T137/7761 , Y10T137/85986
摘要： The pumps and pressure controllers described herein aim to pump fluid in two directions, such as from a first port to a second port and vice versa. The pressure controllers aim to control pressure in a system or device, such as a test device, accurately and precisely at a variety of different pressure levels. Generally described, the pumps and pressure controllers described herein may include two or more control valves, which may be actuatable in such a manner so that the pump or pressure controller can switch between operating as a vacuum pump and operating as a compressor. In some embodiments, the pressure controllers may be able to adjust a pressure in the device by small increments thereby providing increased control of the pressure in the device over the prior art. Furthermore, the pressure controllers may be able to control the pressure of a system having low pressure levels.
摘要翻译： 本文所述的泵和压力控制器旨在在两个方向上泵送流体，例如从第一端口到第二端口，反之亦然。 压力控制器旨在以各种不同的压力水平精确和精确地控制系统或装置（例如测试装置）中的压力。 一般来说，这里描述的泵和压力控制器可以包括两个或更多个控制阀，其可以以这样的方式致动，使得泵或压力控制器可以在作为真空泵操作并作为压缩机操作之间切换。 在一些实施例中，压力控制器可以能够以小的增量来调节装置中的压力，从而提供对现有技术中的装置中的压力的增加的控制。 此外，压力控制器可以能够控制具有低压力水平的系统的压力。
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6.发明申请DEVICE AND METHODS FOR REDUCING PRESSURE AND FLOW PERTURBATIONS IN A CHROMATOGRAPHIC SYSTEM 有权用于降低色谱系统中压力和流速的装置和方法公开(公告)号：US20100043539A1
公开(公告)日：2010-02-25
申请号：US12282895
申请日：2007-03-16
申请人： Keith Fadgen , James E. Usowicz , Miguel Soares
发明人： Keith Fadgen , James E. Usowicz , Miguel Soares
IPC分类号： G01N30/02
CPC分类号： G01N30/20 , G01N30/22 , G01N2030/201 , G01N2030/202 , G05D7/0688 , G05D16/208
摘要： Embodiments of the present invention are directed to methods and apparatus for placing a sample in a chromatographic system. The device and method feature placing samples held in a sample loop to pressurization prior to placing such sample loop in communication with high pressure conduits.
摘要翻译： 本发明的实施方案涉及将样品置于色谱系统中的方法和装置。 该装置和方法的特征是将放置样品回路中的样品置于加压之前，使样品环与高压导管连通。
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7.发明申请METHOD AND APPARATUS FOR MONITORING AND CONTROLLING PRESSURE IN AN INFLATABLE DEVICE 有权用于监测和控制可充气装置中的压力的方法和装置公开(公告)号：US20090314354A1
公开(公告)日：2009-12-24
申请号：US12404038
申请日：2009-03-13
申请人： Robert B. Chaffee
发明人： Robert B. Chaffee
IPC分类号： F15D1/00
CPC分类号： A47C27/083 , G05D16/208 , Y10T137/0396 , Y10T137/36 , Y10T137/8326
摘要： A system includes a fluid controller coupled to an inflatable bladder and configured to add fluid to and remove fluid from the inflatable bladder, a control unit configured to provide information used by the fluid controller to adjust the pressurization of the inflatable bladder, the control unit including a user interface configured to constantly display a plurality of indicia corresponding to a range of pressure levels in which the inflatable bladder is employed by a user, where each of the plurality of indicia is associated with a different level of pressure of the inflatable bladder, respectively. In one embodiment, the fluid controller is configured to adjust the pressurization, in response to a user input at the user interface, to a pressure level selected by the user based on a current pressure level of the inflatable bladder, the pressure level selected by the user and an operating time of the fluid controller. In a further embodiment, a first indicia included in the plurality of indicia is associated with the current pressure level and a second indicia included in the plurality of indicia is associated with the pressure level selected by the user.
摘要翻译： 一种系统包括流体控制器，该流体控制器耦合到可充气气囊，并配置成将流体与可膨胀气囊相加和移除;控制单元，被配置为提供由流体控制器使用的信息以调节可膨胀气囊的加压，所述控制单元包括 用户界面，被配置为不断地显示对应于使用者使用可膨胀囊的压力水平范围的多个标记，其中多个标记中的每一个分别与可充气膀胱的不同水平的压力相关联 。 在一个实施例中，流体控制器被配置为响应于在用户界面处的用户输入将压力调节到由用户基于可充气膀胱的当前压力水平所选择的压力水平，所述压力水平由 用户和流体控制器的操作时间。 在另一实施例中，包括在多个标记中的第一标记与当前压力水平相关联，并且包括在多个标记中的第二标记与用户选择的压力水平相关联。
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公开(公告)号：US20070175513A1
公开(公告)日：2007-08-02
申请号：US11340538
申请日：2006-01-27
申请人： John McLoughlin , Neocles Athanasiades , Toh Meng
发明人： John McLoughlin , Neocles Athanasiades , Toh Meng
IPC分类号： G05D11/00
CPC分类号： G05D16/208 , Y10T137/27 , Y10T137/7287 , Y10T137/7306
摘要： A water controlling kit is connected to the fluid system, of a fire truck for example, used for pumping water to one or more fire hoses. The kit has a water level gauge, a signaling element and a control valve and is adapted to maintain the pressure at the inlet of the pump of the fire truck within a preselected range of about 1.5 to about 3 psi. during discharge from the pump and pressure fluctuations of the pressurized water supply supplying water to the fire truck reservoir.
摘要翻译： 水控制套件连接到例如用于将水泵送到一个或多个消防软管的消防车的流体系统。 该套件具有水位计，信号元件和控制阀，并且适于将消防车辆泵的入口处的压力保持在约1.5至约3psi的预选范围内。 在泵的排放期间和加压供水的压力波动向消防车储存器供水。
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公开(公告)号：US20040194827A1
公开(公告)日：2004-10-07
申请号：US10407258
申请日：2003-04-04
IPC分类号： G05D007/00
CPC分类号： H01M8/0618 , G05D11/132 , G05D16/208 , H01M8/04022 , H01M8/04425 , H01M8/04738 , H01M8/04776 , H01M8/0662 , H01M8/0668 , Y10T137/0396 , Y10T137/7758 , Y10T137/7761 , Y10T137/86051 , Y10T137/87877
摘要： A method and apparatus for providing a balanced fluid supply through multiple feeds are disclosed. The method comprises supplying the fluid through a plurality of feeds from a common fluid accumulator; determining the fluid pressure in a common fluid accumulator; and controlling the fluid pressure in the common fluid accumulator responsive to the fluid pressure sensed therein to maintain the fluid pressure within a predetermined range. The balanced fluid supply comprises a common fluid accumulator; a plurality of feeds from the common fluid accumulator; and a control system capable of controlling the pressure of the fluid supplied from the common fluid accumulator to the feeds responsive to a determined pressure of fluid in the common fluid accumulator.
摘要翻译： 公开了一种用于通过多个进给提供平衡流体供应的方法和装置。 该方法包括通过来自公共流体储存器的多个进料供应流体; 确定公共储液器中的流体压力; 以及响应于在其中感测到的流体压力来控制公共流体储存器中的流体压力，以将流体压力保持在预定范围内。 平衡流体供应包括一个普通的液体储存器; 来自公共流体蓄积器的多个进料; 以及控制系统，其能够响应于所述公共流体蓄液器中的确定的流体压力来控制从所述公共流体蓄积器供应的流体的压力。
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公开(公告)号：US06796332B1
公开(公告)日：2004-09-28
申请号：US10407258
申请日：2003-04-04
IPC分类号： H01M804
CPC分类号： H01M8/0618 , G05D11/132 , G05D16/208 , H01M8/04022 , H01M8/04425 , H01M8/04738 , H01M8/04776 , H01M8/0662 , H01M8/0668 , Y10T137/0396 , Y10T137/7758 , Y10T137/7761 , Y10T137/86051 , Y10T137/87877
摘要： A method and apparatus for providing a balanced fluid supply through multiple feeds are disclosed. The method comprises supplying the fluid through a plurality of feeds from a common fluid accumulator; determining the fluid pressure in a common fluid accumulator; and controlling the fluid pressure in the common fluid accumulator responsive to the fluid pressure sensed therein to maintain the fluid pressure within a predetermined range. The balanced fluid supply comprises a common fluid accumulator; a plurality of feeds from the common fluid accumulator; and a control system capable of controlling the pressure of the fluid supplied from the common fluid accumulator to the feeds responsive to a determined pressure of fluid in the common fluid accumulator.
摘要翻译： 公开了一种用于通过多个进给提供平衡流体供应的方法和装置。 该方法包括通过来自公共流体储存器的多个进料供应流体; 确定公共储液器中的流体压力; 以及响应于在其中感测到的流体压力来控制公共流体储存器中的流体压力，以将流体压力保持在预定范围内。 平衡流体供应包括一个普通的液体储存器; 来自公共流体蓄积器的多个进料; 以及控制系统，其能够响应于所述公共流体蓄液器中的确定的流体压力来控制从所述公共流体蓄积器供应的流体的压力。
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