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公开(公告)号：US4151094A
公开(公告)日：1979-04-24
申请号：US837305
申请日：1977-08-15
Applicant: Floyd H. Wyman
Inventor： Floyd H. Wyman
CPC classification number: B01D29/6415 , B01D29/09 , B01D33/048 , B01D33/06 , B01D2201/081
Abstract: Apparatus and method are illustrated for removing solids from filter media supported by a backup roll wherein an elongated brush exerts a flicking action on the solids collected by the media during a filtering operation and deposits the solids upon a splash plate where the solids are collected for reclamation. Spray means are provided for directing a backwash of water across the filter media on a side thereof remote from the brush for cleansing the filter media.
Abstract translation: 示出了用于从由支撑辊支撑的过滤介质中除去固体的装置和方法，其中细长的刷在过滤操作期间对由介质收集的固体施加轻拂作用，并将固体沉积在溅射板上，在该溅射板上收集固体用于回收 。 提供喷雾装置，用于将远离水的侧面上的水反冲洗过滤器，以清洁过滤介质。
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公开(公告)号：US12083458B1
公开(公告)日：2024-09-10
申请号：US17936214
申请日：2022-09-28
Applicant: Watercore LLC
Inventor： Michael Hornback
IPC: B01D35/027 , B01D21/00 , B01D21/02 , B01D21/24 , B01D29/11 , B01D29/35 , B01D29/64 , B01D29/66 , B01D29/68
CPC classification number: B01D35/0276 , B01D21/0006 , B01D21/0012 , B01D21/02 , B01D21/2444 , B01D29/111 , B01D29/35 , B01D29/6423 , B01D29/6484 , B01D29/66 , B01D29/684 , B01D2201/081 , B01D2201/184 , B01D2201/287 , B01D2201/34
Abstract: The present development is a septic tank or wastewater treatment tank outlet filter cleaning device. More specifically, the device is an outlet filter cleaner for a slotted filter used to reduce solid waste transfer into a septic tank effluent. The device comprises a central shaft with at least one cleaning disc, wherein the cleaning disc comprises a body which is mounted on the shaft and wherein a plurality of fingers protrude from the body, preferably in locations substantially identical to the positions of the openings in the wall of the tube.
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公开(公告)号：US12042112B2
公开(公告)日：2024-07-23
申请号：US17427935
申请日：2020-07-16
Applicant: BSH Hausgeräte GmbH
Inventor： Michael Lugert , Bernd Eisenbart , Werner Oblinger
CPC classification number: A47L15/4208 , A47L15/23 , A47L15/4204 , A47L15/4225 , B01D29/01 , B01D29/6446 , C02F1/001 , B01D2201/081 , C02F2103/002 , C02F2303/16 , C02F2307/12
Abstract: A household dishwasher includes a washing container for holding a dishwasher load, a sump arranged at a bottom of the washing container, a filter system provided at the sump, and a spray arm for applying washing liquor and/or fresh water to the dishwasher load. The spray arm includes an extension piece which is mounted on the sump for rotation about a first axis of rotation and includes a filter cleaning nozzle for cleaning the filter system with the aid of the washing liquor and/or fresh water, and a spray arm satellite which is mounted on the extension piece for rotation about a second axis of rotation.
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公开(公告)号：US11684876B2
公开(公告)日：2023-06-27
申请号：US17108321
申请日：2020-12-01
Applicant: Asia Connection LLC
Inventor： Reza Afshar
IPC: B01D29/21 , B01D29/64 , B01D35/16 , C02F1/00 , C02F103/42
CPC classification number: B01D29/6438 , B01D29/21 , B01D35/16 , C02F1/001 , B01D2201/081 , B01D2201/12 , C02F2103/42 , C02F2201/006 , C02F2303/16
Abstract: A filter apparatus includes a filter, such as a cartridge, positioned within a housing. The filter apparatus has multiple ports and valves, so as to allow a user to easily switch between a filtration mode of filtering fluids and a maintenance mode of cleaning the filter. The filter can have a filter substrate in a housing and after filtrate builds up on the substrate, the substrate can be cleaned by directing a spray of fluid, such as from a ring of nozzles at the top of the housing, onto the substrate. A maintenance port can be provided to drain the debris washed from the substrate. The filter can switch between a backwash mode and a filtration mode.
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公开(公告)号：US20190001243A1
公开(公告)日：2019-01-03
申请号：US16124652
申请日：2018-09-07
Applicant: FILTRATION TECHNOLOGY CORPORATION
Inventor： John HAMPTON , Greg WALLACE
IPC: B01D29/64 , B01D29/60 , B01D29/23 , B01D35/22 , B01D29/66 , B01D29/54 , B01D29/11 , B08B5/02 , B01D29/78
CPC classification number: B01D29/6453 , B01D29/117 , B01D29/23 , B01D29/54 , B01D29/606 , B01D29/661 , B01D29/78 , B01D35/22 , B01D2201/081 , B01D2201/087 , B01D2201/54 , B08B5/02
Abstract: The present invention discloses a method for self-cleaning filters without having to open the filter housing. Wash nozzles are integrated with the filter housings such that when the filters are clogged, both back-wash and regular washing can be performed with practically no down time. Moreover, without opening the filter housing, the hazardous components of the fluid to be filtered can be contained and dealt with before they escape the filter housing, thereby significantly reduces the environmental impact and harm to the working crew.
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Patent Agency Ranking
公开(公告)号：US20170044702A1
公开(公告)日：2017-02-16
申请号：US15333376
申请日：2016-10-25
Applicant: LG ELECTRONICS INC.
Inventor： Youngjin DOH , Jihong LEE , Hong NAMGOONG , Kyuhwan LEE
CPC classification number: D06F35/005 , B01D46/0082 , B01D2201/081 , B01D2201/084 , D06F25/00 , D06F33/00 , D06F33/02 , D06F37/04 , D06F37/22 , D06F39/022 , D06F39/04 , D06F39/088 , D06F58/22 , D06F58/24 , D06F2220/00
Abstract: A laundry treating machine is provided. The laundry treating machine may include a tub to receive wash water, a drum rotatably provided in the tub, an air supply device to supply air to the tub, a lint filter to filter lint from the air circulated by the air supply device, a filter cleaning device to supply cleaning water to the lint filter to remove the lint from the lint filter, and a cooling water supply device to supply cooling water to an inner surface of the tub such that moisture contained in air is condensed at the inner surface of the tub.
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17.发明授权Method for washing a filter having at least two layers of filtering media, in particular for filtering seawater, and equipment for implementing said method 有权用于洗涤具有至少两层过滤介质，特别是用于过滤海水的过滤器的方法，以及用于实现所述方法的设备公开(公告)号：US09295929B2
公开(公告)日：2016-03-29
申请号：US14376051
申请日：2013-01-29
Applicant: DEGREMONT
Inventor： Gerard Flores
CPC classification number: B01D24/4631 , B01D23/16 , B01D23/20 , B01D23/24 , B01D24/12 , B01D24/14 , B01D24/4636 , B01D24/4869 , B01D2101/04 , B01D2201/08 , B01D2201/081 , B01D2201/087
Abstract: The invention relates to a method for washing a filter (F) having at least two layers of filtering media (4, 5) for raw water containing components having a tendency to form cakes (M), in particular for seawater, the layers of filtering media being supported by a base (6) comprising pass-through openings and provided with nozzles (6a) enabling air and/or wash water to be injected, the raw water flowing through the layers from top to bottom and the treated water being recovered at the lower portion of the filter, and which comprises at least one spillway (D) at the upper portion thereof for collecting the wash water. The method includes the following series of steps: a) the raw water intake (2) is closed, followed by the filtration outlet valve (13), the filter is depressurized, and the filter cake is broken; b) the water level in the filter is lowered; c) only pressurized air is blown into the lower portion of the filter, said air passing through the layers of the filter from bottom to top and causing the cakes to be reduced to particles, in particular by means of friction; d) rinsing is carried out from bottom to top using only water, the water rinsing time being sufficiently short to ensure that the water level stops below the level of the upper edge of the wash water collection spillway; e) the filter water is emptied once again by discharging same from the lower portion of the filter; f) steps c), d) and e) are repeated at least once, and a final rinsing is carried out by injecting a quantity of backwashing water through the bottom portion of the filter, which is then discharged from the upper portion of the filter via a pipe (14).
Abstract translation: 本发明涉及一种用于清洗具有至少两层过滤介质（4,5）的过滤器（F）的方法，所述过滤介质（4,5）用于含有具有形成蛋糕（M），特别是用于海水的趋势的组分的含水过滤层 介质由包括通过开口的基部（6）支撑，并且设置有能够喷射空气和/或洗涤水的喷嘴（6a），所述原水从上到下流过层，并且处理的水在 过滤器的下部，并且在其上部包括至少一个溢流道（D），用于收集洗涤水。 该方法包括以下一系列步骤：a）原水入口（2）关闭，然后过滤出口阀（13），过滤器减压，滤饼破碎; b）过滤器中的水位降低; c）只有加压空气吹入过滤器的下部，所述空气通过过滤器的层从底部到顶部，并且特别是通过摩擦将蛋糕还原成颗粒; d）仅使用水进行从底部到顶部的漂洗，水的冲洗时间足够短以确保水位停止在洗涤水收集溢流道的上边缘的水平以下; e）通过从过滤器的下部排出过滤水再次排空过滤水; f）步骤c），d）和e）至少重复一次，并且通过将一定量的反冲洗水通过过滤器的底部进行最后的冲洗，然后从过滤器的底部排出， 通过管道（14）。
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公开(公告)号：US20240216840A1
公开(公告)日：2024-07-04
申请号：US18557981
申请日：2022-04-29
Applicant: Inheriting Earth Limited
Inventor： Reuben D'Orton-Gibson , Michael Lawrance-Owen , Reuben Kettle Aiers , Fergal Feeney , Adam Root
CPC classification number: B01D29/682 , B01D29/885 , B01D2201/081 , B01D2201/16 , B01D2221/02
Abstract: A separator prevents microplastics from entering the environment by regenerating the pressure consumption of filters for removing microplastics in effluent from any source but in particular removing microfibers from washing machine wastewater. The separator separates microplastics from an effluent and includes: a chamber with an inlet and an outlet, a sieve structure forming a permeable barrier between the inlet and the outlet to filter the effluent, the sieve structure thus having an inlet side for unfiltered effluent and an outlet side for filtered effluent, wherein a bypass conduit is provided between the inlet and the outlet to provide an alternative route for effluent in the event that the flow of fluid is impeded.
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公开(公告)号：US20240131456A1
公开(公告)日：2024-04-25
申请号：US18381808
申请日：2023-10-18
Applicant: Paul F. Nehlen, III
Inventor： Paul F. Nehlen, III
CPC classification number: B01D29/6438 , B01D29/15 , B01D29/52 , B01D29/60 , B01D29/66 , B01D35/30 , B01D2201/043 , B01D2201/081 , B01D2201/16 , B01D2201/287 , B01D2201/303
Abstract: A regenerative filter that includes a filter housing having inlet and outlet zones; a fluid path provided between the inlet and outlet zones; a plurality of filter elements each having an outer surface filter media applied thereto and functioning to filter particulate or contaminants from the fluid path. The filter elements are disposed in an monolithic array. An inlet port arrangement is disposed at the filter housing leading to the inlet zone and is constructed and arranged to direct the fluid path into the filter housing in a manner so as to maintain a controlled turbulence at the inlet zone. The inlet port arrangement comprises a pair of inlet ports that are arranged in juxtaposition at the inlet zone and each having one end where the fluid flow enters. Embodiments that are considered as falling under the scope of the present invention include 1. Single inlet/two or more outlets; 2. Two or more inlets/single outlet, or 3. Two or more inlets and two or more outlets.
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公开(公告)号：US11872576B2
公开(公告)日：2024-01-16
申请号：US16836987
申请日：2020-04-01
Applicant: Altair (UK) Limited
Inventor： Kate Taylor , Alastair Lee
CPC classification number: B05B1/267 , B01D29/6438 , B01D46/71 , B05B1/005 , B05B1/265 , B01D2201/081 , B01D2201/087
Abstract: A nozzle for a filter cleaning system has a stub portion having an inlet opening and an outlet opening, and a splitter portion positioned downstream of the stub portion. The splitter portion has deflector surfaces arranged to direct the airflow exiting the stub portion outlet in 3 or more different/separate airstreams each of which airstreams are directed inclined axially outwardly from the axial direction of the airflow exiting the stub portion outlet opening. The various parameters of the splitter nozzle portion can be tailored to provide required jet shape and entrainment characteristics. A beneficial feature of the nozzle designs is that jet entrainment and recombination of flows can be specified for different shaped filters.
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