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公开(公告)号：US07204143B1
公开(公告)日：2007-04-17
申请号：US11231427
申请日：2005-09-20
申请人： Ivy J. Nicewarner
发明人： Ivy J. Nicewarner
IPC分类号： G01F23/32
摘要： An apparatus and methods of using the apparatus are disclosed. Preferably, the apparatus includes at least a fluid level detection portion communicating with a fulcrum that provides at least a first lobe and a second lobe, and a control portion responsive to the first lobe when the apparatus is operated in a first operating mode and responsive to the second lobe when the apparatus is operated in a second operating mode. The apparatus preferably further includes a counterbalance mechanism linked to the fluid level detection device, wherein the apparatus operates in the first mode when a first balance force is applied by the counterbalance mechanism to the fluid level detection device, and further operates in the second mode when a second balance force is applied by the counterbalance mechanism to the fluid level detection device.
摘要翻译： 公开了一种使用该装置的装置和方法。 优选地，该装置至少包括与提供至少第一凸角和第二凸角的支点连通的液位检测部分，以及响应于第一凸角的控制部分，当该装置在第一操作模式下操作并且响应于 该装置在第二操作模式下操作时的第二凸角。 该装置优选地还包括连接到液位检测装置的平衡机构，其中当第一平衡力由平衡机构施加到液位检测装置时，该装置以第一模式操作，并且还在第二模式中操作， 第二平衡力由平衡机构施加到液面检测装置。
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公开(公告)号：US06864445B1
公开(公告)日：2005-03-08
申请号：US10654465
申请日：2003-09-03
申请人： Lewis J. Daly
发明人： Lewis J. Daly
摘要： A latching fluid level switch which includes an elongated shaft member having a lower end and an opposite upper end with both ends containing a buoyant float member. The upper end is pivotally anchored to a tank wall and capable of having its lower end being moved between two distinct angular positions depending on the level of the liquid in said tank acting on said float member and having a first higher buoyancy angular position representing a high liquid level endpoint, and a second less buoyancy angular position representing a lower liquid level endpoint. The float is maintained at each distinct angular position such that once triggered at one liquid level endpoint the float will maintain and hold that angular position until reversibly triggered at the other liquid level endpoint.
摘要翻译： 一种闭锁液位开关，其包括细长轴构件，该细长轴构件具有下端和相对的上端，两端包含漂浮的浮子构件。 上端被枢转地锚定到罐壁上，并且能够使其下端在两个不同的角度位置之间移动，这取决于作用在所述浮子构件上的所述槽中的液体的高度，并且具有代表高的第一较高的浮力角位置 液位端点和表示较低液位端点的第二较小浮力角位置。 浮子保持在每个不同的角度位置，使得一旦在一个液位端点处触发，浮子将保持并保持该角位置，直到在另一个液位端点可逆地触发。
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公开(公告)号：US5911289A
公开(公告)日：1999-06-15
申请号：US750878
申请日：1997-05-15
申请人： Clive Gregory Waller
发明人： Clive Gregory Waller
CPC分类号： G01F23/32 , F16N19/006 , F25B31/002 , F16N2270/10 , F16N2270/14 , F16N2280/02 , F25B2400/075 , F25B2700/03
摘要： An apparatus (38) is disclosed for controlling the level of oil in one or more compressors (10) of a refrigeration system. The compressors (10) are supplied with oil from a reservoir (28) which is in fluid communication via a common conduit (32) and second conduit (98) with the oil sump (not shown) of each compressor (10). The apparatus (38) includes a housing composed of a main body portion and a spacer block. The body portion is provided with a chamber which houses a float. The chamber is in fluid communication with the oil sump of its respective compressor (10). As the oil level within the compressor (10) varies, the angle of pivot of float also varies. This variation is sensed by a sensor which produces a signal indicative of the level of the oil. When the signal is indicative that the level of oil within the compressor is below a first predetermined minimum level, solenoid valve (78) is opened and solenoid valve (82) closed. This allows oil from the reservoir (24) to flow via conduits (32 and 98) into the compressor. In another embodiment, if the signal is indicative that the oil level within the compressor is higher than a predetermined maximum level, solenoid valve (78) is caused to close and solenoid valve (82) caused to open resulting in oil being dumped from the compressor back to the oil reservoir (28) via conduits (98 and 32).
摘要翻译： PCT No.PCT / AU95 / 00354 Sec。 371日期1997年5月15日 102（e）日期1997年5月15日PCT提交1995年6月16日PCT公布。 WO95 / 35462 PCT出版物 日期：1995年12月28日公开了一种用于控制制冷系统的一个或多个压缩机（10）中的油位的装置（38）。 从压缩机（28）向压缩机（10）供给油，油箱（28）通过公用导管（32）和第二导管（98）与每个压缩机（10）的油底壳（未示出）流体连通。 设备（38）包括由主体部分和间隔块组成的壳体。 主体部分设置有容纳浮子的室。 室与其相应压缩机（10）的油槽流体连通。 随着压缩机（10）内的油位变化，浮球的转角也会变化。 该变化由传感器感测到，其产生指示油的水平的信号。 当信号表示压缩机内的油位低于第一预定最小值时，电磁阀（78）打开，电磁阀（82）关闭。 这允许来自贮存器（24）的油通过管道（32和98）流入压缩机。 在另一个实施例中，如果信号指示压缩机内的油位高于预定的最大值，则使电磁阀（78）关闭并使电磁阀（82）打开，导致油从压缩机 通过管道（98和32）返回储油室（28）。
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公开(公告)号：US5333499A
公开(公告)日：1994-08-02
申请号：US825453
申请日：1992-01-22
申请人： Robert D. Gaston
发明人： Robert D. Gaston
摘要： A float rod and float body are fastened together by means of a two-point attachment in which a substantially straight remote end of the float rod is inserted into a rod receiving passage simultaneously with a grasping point on the float rod being received by a snap-in retainer on a portion of the float rod separated from the remote end by a bend in the float rod. Fastening of the parts is thus achieved in a single linear motion for ease of assembly. The snap-in retainer preferably is comprised of a fork whereby the float body is retained on the float rod against forces in any direction after being assembled. The float body can be filled with an appropriate filling material to provide the desired buoyancy in the liquid to be measured. An embodiment particularly adapted to fuel level measurement in vehicle fuel tanks is described.
摘要翻译： 浮子杆和浮体通过两点连接件紧固在一起，其中浮子杆的基本上直的远端插入杆接收通道中，同时浮子杆上的抓握点被卡扣式接收器接收， 在浮动杆的一部分上的保持器中，通过浮杆中的弯头与远端分离。 因此，为了易于组装，单个直线运动可实现部件的紧固。 卡扣式保持器优选地由叉形件构成，由此浮子体在组装之后能够抵抗任何方向的力而保持在浮子杆上。 可以用适当的填充材料填充浮体，以在要测量的液体中提供所需的浮力。 描述了特别适用于车辆燃料箱中的燃料液位测量的实施例。
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公开(公告)号：US5301550A
公开(公告)日：1994-04-12
申请号：US89918
申请日：1993-07-12
申请人： Steven Shortis
发明人： Steven Shortis
摘要： A float for a liquid level detection device has a shape with a flat surface which, when the float is in its lowermost position, will be horizontal (i.e., parallel to the liquid surface). The float has a center of buoyancy close to one edge of this face, and when the float is in its uppermost position the flat face will be generally vertical, with the edge of the face to which the center of buoyancy is closest being at the top. Because this edge is close to the center of buoyancy, only a small height of the float will project above the liquid level.
摘要翻译： 用于液面检测装置的浮子具有平坦表面的形状，当浮子处于其最低位置时，其将是水平的（即平行于液体表面）。 浮子具有靠近该面的一个边缘的浮力中心，并且当浮子处于其最上位置时，平面将基本垂直，浮力中心最靠近的面的边缘在顶部 。 因为这个边缘靠近浮力的中心，所以只有一小部分浮子将突出在液面之上。
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公开(公告)号：US5117693A
公开(公告)日：1992-06-02
申请号：US714696
申请日：1991-06-13
申请人： Thomas R. Duksa
发明人： Thomas R. Duksa
摘要： A liquid level detector includes a pivotally mounted bent arm which supports, adjacent opposite ends thereof, a float and a component of a signal generator. As the level of a fluid contacted by the float rises and falls, the opposite end of the arm will move into proximity to or away from a support. The second component of the signal generator is mounted on the support and a signal indicative of the juxtapositioning of the second end of the arm to the float will be generated.
摘要翻译： 液位检测器包括枢转安装的弯臂，其相邻的相对端支撑浮子和信号发生器的部件。 随着与浮子接触的流体的水平上升和下降，臂的相对端将移动到接近或远离支撑件。 信号发生器的第二部件安装在支架上，并且将产生指示臂的第二端与浮子并置的信号。
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公开(公告)号：US5023806A
公开(公告)日：1991-06-11
申请号：US332682
申请日：1989-04-03
申请人： Naresh P. Patel
发明人： Naresh P. Patel
CPC分类号： G01F23/0061 , F17C13/021 , G01F23/32 , G01F23/38 , F17C2221/035 , F17C2223/0153 , F17C2223/033 , F17C2250/032 , F17C2250/034 , F17C2250/0413 , F17C2260/024
摘要： A computerized system for sensing the level of liquefied gas in a tank at a remote location and transmitting data between the location of the tank and the computer to maintain files for inventory control. A microprocessor collects electrical signals from a tank mounted transducer, which is actuated by a float gauge, and periodically sends data over telephone lines to a computer located remotely from the tank. The computer receives and processes data during time windows established for each of a group of tanks to provide current data regarding the supply of liquefied gas in the tanks.
摘要翻译： 一种用于感测位于远程位置的水箱中的液化气体水平的计算机化系统，并且在罐的位置和计算机之间传输数据以维持用于库存控制的文件。 微处理器收集来自水箱安装的换能器的电信号，该传感器由浮子式计量器驱动，并且通过电话线周期性地将数据发送到远离罐的计算机。 计算机在为一组坦克中的每一个建立的时间窗口期间接收和处理数据，以提供有关液舱中液化气供应的当前数据。
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公开(公告)号：US4841771A
公开(公告)日：1989-06-27
申请号：US216568
申请日：1988-07-08
CPC分类号： G01F23/32 , G01F23/36 , Y10T403/32442 , Y10T403/7039
摘要： A vehicle fuel tank with a fuel level sensor is disclosed including a housing rotatably supporting a molded crank arm and a pivotal float rod attached thereto. The crank arm has a bore for insertion of one end of the crank arm and an apertured metal insert molded therein for providing a gripping interference fit between the inserted rod and the crank arm.
摘要翻译： 公开了一种具有燃料液位传感器的车辆燃料箱，其包括可旋转地支撑模制曲柄臂的壳体和附接到其上的枢转浮子杆。 曲柄臂具有用于插入曲柄臂的一端的孔和模制在其中的有孔金属嵌件，用于提供插入的杆和曲柄臂之间的夹紧过盈配合。
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公开(公告)号：US4250750A
公开(公告)日：1981-02-17
申请号：US83012
申请日：1979-10-09
摘要： A method and apparatus for accurately measuring the level of liquid in a storage tank and graphically displaying that measurement. The system is particularly useful in vehicular fuel level measuring applications, since the system provides for sampling the level of the liquid over designated time periods and comparing each sample reading with a previous sampling that is stored and presently controls the display. The graphical display is a unique bar graph comprised of groups of bar-like elements driven to provide a relative indication of the sensed and measured liquid level in contrast with the maximum level that may be sensed.
摘要翻译： 一种用于精确测量储罐中的液体水平并以图形方式显示该测量的方法和装置。 该系统在车辆燃料油位测量应用中特别有用，因为系统提供了在指定时间段内对液位进行取样，并将每个采样读数与存储的当前采样进行比较，并且目前控制显示。 图形显示是由一组棒状元件组成的唯一条形图，其驱动以提供感测和测量的液位的相对指示，与可被感测的最大水平相反。
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公开(公告)号：US3316763A
公开(公告)日：1967-05-02
申请号：US39824864
申请日：1964-09-22
申请人： LIQUIDOMETER CORP
发明人： DE GIERS CLARENCE A
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