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    Backwash control system for a filter unit used in a machine tool system
    91.
    发明授权
    Backwash control system for a filter unit used in a machine tool system 失效

    公开(公告)号：US06524471B2

    公开(公告)日：2003-02-25

    申请号：US09796910

    申请日：2001-03-01

    Applicant: James Youngers

    Inventor： James Youngers

    IPC: B01D35143

    CPC classification number: B01D37/04 ,  B01D29/668 ,  B01D2201/54

    Abstract: A filter unit in a fluid circuit associated with a machine tool that uses machining fluid is maintained by counting the number of times the machine tool is operated and automatically servicing the filter unit, as by backflushing, after the machine tool has been used a preset number of times. A filter unit control unit counts the number of uses of the machine tool and moves valve units in the filter unit from an operational configuration to a backwash configuration and controls the timing and operation of the filter unit maintenance cycle.

    Process for direct filtration of wastewater
    93.
    发明申请
    Process for direct filtration of wastewater 审中-公开
    废水直接过滤工艺

    公开(公告)号：US20020079267A1

    公开(公告)日：2002-06-27

    申请号：US09805866

    申请日：2001-03-14

    Inventor： E. Stuart Savage ,  David C. Slack

    IPC: B01D024/46

    CPC classification number: C02F3/34 ,  B01D24/105 ,  B01D24/4631 ,  B01D37/00 ,  B01D2201/54 ,  C02F3/06 ,  C02F2303/16 ,  Y02W10/15

    Abstract: A process for removing BOD and suspended solids from wastewater without passing through a primary clarifier or secondary aeration tank, the process. During the process, raw sewage wastewater, comprising soluble BOD, insoluble BOD and suspended solids, is piped directly to a deep bed granular filter. The bed depths of deep bed filter are within a range of approximately 2.0 ft to approximately 10.0 ft. The raw sewage wastewater is filtered by filtration through the deep bed filter in which the filter media is a granular media with a size range between approximately 2.0 mm to 10.0 mm. Backwashing the deep bed filter occurs at least once every 48 hours.

    Abstract translation: 该过程是从废水中除去BOD和悬浮固体而不通过初级澄清池或二次曝气池的过程。 在此过程中，包含可溶性BOD，不溶性BOD和悬浮固体的原污水废水直接管道送入深床颗粒过滤器。 深床过滤器的床深在约2.0英尺至约10.0英尺的范围内。原污水废水通过深床过滤器过滤，其中过滤介质是粒度介于约2.0mm之间的颗粒介质 至10.0mm。 每隔48小时至少发生一次反冲洗深床过滤器。

    Water filter monitoring and indicating system
    94.
    发明授权
    Water filter monitoring and indicating system 有权
    水过滤器监控和指示系统

    公开(公告)号：US06375834B1

    公开(公告)日：2002-04-23

    申请号：US09605776

    申请日：2000-06-28

    Applicant: Ronald W. Guess ,  Dale A. Beard ,  Patrick J. Gotzbach ,  Keith A. Snyder

    Inventor： Ronald W. Guess ,  Dale A. Beard ,  Patrick J. Gotzbach ,  Keith A. Snyder

    IPC: B01D35143

    CPC classification number: F25D23/126 ,  B01D35/143 ,  B01D2201/54 ,  F25C2400/10 ,  F25C2400/12 ,  F25C2600/04 ,  F25D2323/121 ,  F25D2400/06

    Abstract: A low cost method and apparatus for indicating when to replace a water filter in a water and ice delivery system for a refrigerator. The invention uses a low cost microprocessor and senses the operational condition of an ice maker water valve, a water dispenser valve to monitor and track water usage. The microprocessor has a built-in memory to retain water usage and other data during a power outage, The invention also senses the status of a door switch to permit user input of a reset message indicating that the filter has been changed as well as an input indicating a different type of filter has been installed. The microprocessor controls a tri-color light emitting diode to display the status of the filter as “good”, “order” or “change” which is determined based on the selection of the type of filter system, the amount of time since the last filter change, and the amount of water usage since the last filter change.

    Abstract translation: 一种低成本的方法和装置，用于指示何时更换用于冰箱的水和冰输送系统中的水过滤器。 本发明使用低成本的微处理器并且感测制冰机水阀的操作状态，水分配器阀来监测和跟踪用水量。 微处理器具有内置存储器，用于在断电期间保持用水量和其他数据。本发明还检测门开关的状态，以允许用户输入指示滤波器已经改变的复位消息以及输入 指示安装了不同类型的过滤器。 微处理器控制三色发光二极管以将滤波器的状态显示为基于滤波器系统的类型的选择确定的“良好”，“顺序”或“改变”，自上次以来的时间量 过滤器更换以及自上次过滤器更换以来的用水量。

    Electronic monitoring unit for monitoring number of uses of cartridge
    95.
    发明授权
    Electronic monitoring unit for monitoring number of uses of cartridge 失效
    用于监控墨盒使用次数的电子监控单元

    公开(公告)号：US5328597A

    公开(公告)日：1994-07-12

    申请号：US920413

    申请日：1992-07-27

    Applicant: Norton K. Boldt, Jr. ,  Kaj A. Johnson

    Inventor： Norton K. Boldt, Jr. ,  Kaj A. Johnson

    IPC: A45C11/00 ,  B01D37/04 ,  C02F1/00 ,  B01D35/143 ,  B67D5/22

    CPC classification number: B01D37/04 ,  A45C11/005 ,  C02F1/003 ,  B01D2201/54 ,  C02F2201/006 ,  C02F2209/006 ,  C02F2209/44 ,  C02F2307/04

    Abstract: A self-contained electronic monitoring unit for attachment to a device, such as a water filter, designed to be used until the occurrence of a predetermined event such as a predetermined number of uses, includes transducer for providing distinct outputs such as different audio output signals. A programmed integrated circuit and use detecting means such as electrical contacts detect each use of the device and monitor when the device is operational, when the end of life event is imminent and has occurred. The integrated circuit is programmed to operate the transducer to produce output signals during each use of the device informing the user that the device is operational, that the predetermined event or end of useful life is imminent and that the useful life has expired. The unit includes a battery for supplying power to the transducer and integrated circuit.

    Abstract translation: 用于附接到诸如水过滤器的设备的独立电子监控单元，其被设计为直到预定事件（例如预定数量的使用）发生，包括用于提供不同输出的换能器，例如不同的音频输出信号 。 编程的集成电路和诸如电触点的使用检测装置检测设备的每次使用并监视器件何时可操作，当寿命终止事件即将发生并且已经发生时。 集成电路被编程为操作换能器以在每次使用设备期间产生输出信号，通知用户该设备是可操作的，即预定事件或使用寿命结束即将到来并且使用寿命已经到期。 该单元包括用于向换能器和集成电路供电的电池。

    Filter press with multi-function robot for maintenance, tracking and wear control of filtering septa
    97.
    发明公开
    Filter press with multi-function robot for maintenance, tracking and wear control of filtering septa 审中-公开

    公开(公告)号：US20240075412A1

    公开(公告)日：2024-03-07

    申请号：US18261908

    申请日：2022-01-14

    Applicant: AQSEPTENCE GROUP S.R.L.

    Inventor： Andrea BASSI ,  Davide COLLINI ,  Roberto DARDI

    IPC: B01D25/172 ,  B01D25/00 ,  B01D25/38 ,  B01D35/143

    CPC classification number: B01D25/172 ,  B01D25/003 ,  B01D25/386 ,  B01D35/143 ,  B01D2201/52 ,  B01D2201/54

    Abstract: A filter press (100) is described comprising: a plurality of filtration chambers (155) each of which is delimited by two mutually facing filtering septa (140, 145) interposed between a pair of containment plates (105), a movement apparatus adapted to move each pair of containment plates (105) between a closed configuration and an open configuration, an inlet hydraulic circuit of the liquid to be filtered, an outlet hydraulic circuit of the filtered liquid, and a washing robot (400) adapted to wash the filtering septa (140, 145) that delimit each filtration chamber (155), wherein said washing robot (400) comprises: a trolley (405) adapted to move along a longitudinal direction (A) with respect to the containment plates (105), a bar (445) installed on the trolley (405) and movable relative thereto in a transverse direction with respect to the longitudinal direction (A), and a plurality of nozzles (450) installed on said bar (445) to dispense jets of a washing liquid toward said filtering septa (140, 145), the filter press further comprising: a plurality of identification codes, each of which is fixed to at least one respective filtering septum (140, 145), a device for detecting said identification codes installed on the trolley (405) of the washing robot (400), at least one image acquisition device (600) installed on the bar (445) of the washing robot (400) to acquire images of said filtering septa (140, 145), and an electronic processing unit connected to the identification code detection device and to the image acquisition device (600).

    STATUS DETECTION METHOD AND APPARATUS FOR FILTER
    100.
    发明公开
    STATUS DETECTION METHOD AND APPARATUS FOR FILTER 审中-公开

    公开(公告)号：US20230158436A1

    公开(公告)日：2023-05-25

    申请号：US17984863

    申请日：2022-11-10

    Applicant: GE Precision Healthcare LLC

    Inventor： Cheng Hou ,  Albert Liu ,  Bin Tan ,  Mingming Meng ,  Kristen E. Nelson Mock

    IPC: B01D46/00

    CPC classification number: B01D46/0086 ,  B01D2201/54 ,  B01D2201/34

    Abstract: Embodiments of the present application provide a status detection method and apparatus for a filter. The filter filters a fluid in a sealed channel. At least a pressure sensor is further provided downstream of the filter in the sealed channel. The method includes: if a fluid flowing through a filter in a sealed channel is controlled to have a first flow rate, then acquiring a first pressure value measured by a pressure sensor; if the fluid flowing through the filter in the sealed channel is controlled to have a second flow rate, then acquiring a second pressure value measured by the pressure sensor; and determining a status of the filter according to a difference between the first pressure value and the second pressure value. Therefore, detection of the status of the filter is achieved, and an operator is prompted to maintain/replace the filter in time. In addition, an existing component can be used, so that applicability is high and detection costs are low.

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