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    Filter medium washing method and filter
    41.
    发明申请
    Filter medium washing method and filter 审中-公开
    过滤介质洗涤方法和过滤器

    公开(公告)号：US20030183570A1

    公开(公告)日：2003-10-02

    申请号：US10381376

    申请日：2003-03-25

    Inventor： Takashi Takarabe

    IPC: B01D024/00

    CPC classification number: B01D24/007 ,  B01D24/14 ,  B01D24/40 ,  B01D24/461 ,  B01D24/4673

    Abstract: A multi-layer filter, wherein a filter medium inside a rotatable or swingable horizontal drum (3) is formed in a multi-layer shape with a single or a combined grading, specific gravity, and characteristic of filter medium desirably according to the purpose of treatment and washed with raw water while rubbing the filter medium by rorating or swinging the drum (3) so that contaminent can be removed to surely recover the filter medium at each layer, a raw water inflow tube (5) and a filtered water outflow tube (7) are formed in a shape of double-pipe, a sandproof means and a filter medium agitating means are installed on both or either of the tubes, and a cleaning means and an adhesion prevention means for preventing seaweed from adhering to the inside wall of the drum (3) are installed between a filter net (15) and the inside wall of the drum (3), whereby a structure can be simplified, controllability and maintainability can be facilitated, production cost and maintenance cost can be reduced, and durability and filtering efficiency can be increased.

    Abstract translation: 一种多层过滤器，其中可旋转或可摆动的水平滚筒（3）内的过滤介质以多层形状形成，具有单一或组合的分级，比重和过滤介质的特性，期望根据目的 处理并用原水洗涤，同时通过使滚筒（3）旋转或摆动来摩擦过滤介质，从而可以去除污染物以确保每层回收过滤介质，原水流入管（5）和过滤水流出管 （7）形成为双管形状，防砂装置和过滤介质搅拌装置安装在两个或两个管上，以及清洁装置和防粘附装置，用于防止海藻粘附到内壁上 滚筒（3）安装在过滤网（15）和滚筒（3）的内壁之间，从而可以简化结构，可以方便地实现可控性和可维护性，生产成本和维护成本可以是红色的 并且可以提高耐久性和过滤效率。

    One-piece underdrain for swimming pool filters
    42.
    发明授权
    One-piece underdrain for swimming pool filters 失效
    游泳池过滤器一体式暗渠

    公开(公告)号：US06605211B1

    公开(公告)日：2003-08-12

    申请号：US09684216

    申请日：2000-10-06

    Applicant: Herbert N. Slopack

    Inventor： Herbert N. Slopack

    IPC: E04H416

    CPC classification number: B01D24/14 ,  B01D24/40 ,  B01D24/4631

    Abstract: The present invention relates to pool filters. An underdrain design is disclosed that primarily relies on a peripheral ring rather than lateral projections to transfer the water to the sand. The ends of the ring are not joined so that the ring is not closed. The ring is also bent into a helical shape which allows the ring to be screwed into an opening with a smaller diameter than that of the ring. The ring is radially slotted so that water flows radially from it in all directions both toward the center of the tank and away from the center, as well as straight up and down. Since the water transfer takes place primarily along an arc located relatively near the mid-point between the center and the perimeter of the tank, the disadvantages inherent in the concentration of the water flow at the center of the tank are eliminated.

    Abstract translation: 本发明涉及池式过滤器。 公开了一种暗影设计，主要依靠外围环而不是横向投影将水转移到沙子上。 环的端部不接合，使得环不闭合。 环也弯曲成螺旋形，这使得环被旋入具有小于环的直径的开口中。 环径向开槽，使得水从其沿着所有方向径向流向罐的中心并远离中心，以及直立上下。 由于水转移主要发生在相对靠近罐的中心和周边之间的中点的弧线处，消除了在罐中心处的水流集中的固有缺点。

    Method for the partial fusion of objects
    43.
    发明授权
    Method for the partial fusion of objects 失效
    物体部分融合的方法

    公开(公告)号：US06353200B2

    公开(公告)日：2002-03-05

    申请号：US09779045

    申请日：2001-02-08

    Applicant: Gerhard Schwankhart

    Inventor： Gerhard Schwankhart

    IPC: B23K1000

    CPC classification number: B23K10/02 ,  B01D24/12 ,  B01D24/40 ,  B23K10/006

    Abstract: A method for locally heating objects, in particular thin sheet metal, by charging the objects by means of a plasma ignited between two electrodes. In order to keep the thermal stress of a subject as low as possible outside of the zone to be heated it is provided that the machining such as spot welding or burning through a breakthrough occurs with merely one plasma pulse which is produced by applying a voltage pulse exceeding the arc-over voltage of the gap between the electrodes.

    Abstract translation: 一种用于通过在两个电极之间点燃的等离子体来对物体进行局部加热，特别是薄金属片的方法。 为了将受试者的热应力保持在要加热区域外的尽可能低的位置，只要通过施加电压脉冲产生一个等离子体脉冲，就可以进行诸如点焊或通过突破燃烧的加工 超过电极之间的间隙的电弧过电压。

    Filter tank and mounting adaptor for multiport valves
    44.
    发明授权
    Filter tank and mounting adaptor for multiport valves 失效
    过滤罐和多重阀门的安装适配器

    公开(公告)号：US3707233A

    公开(公告)日：1972-12-26

    申请号：US3707233D

    申请日：1970-10-13

    Applicant: MARC LERNER

    Inventor： LERNER MARC

    IPC: B01D24/10 ,  B01D23/20

    CPC classification number: B01D24/105 ,  B01D24/40 ,  B01D24/4642

    Abstract: A mounting adaptor for multiport multiposition valves adapted to be removably attached to an opening in a filter tank is provided. The adaptor has a peripheral flange which sealably engages a corresponding flange on the filter tank and is secured in place by a v-band coupling. Two fluid connecting ports for attachment to the multiport valve are provided to supply fluid to and discharge fluid from the filter depending on the valve position. The mounting adaptor also includes a fluid diffuser adapted to be disposed within the filter tank to uniformly distribute the influent fluid across the filter.

    Abstract translation: 提供了一种用于多端口多位置阀的安装适配器，其适于可移除地附接到过滤罐中的开口。 适配器具有外围法兰，该外围法兰密封地接合过滤罐上的对应的凸缘并且通过v形带式联接器固定就位。 提供用于附接到多端口阀的两个流体连接端口用于根据阀位置向流体提供流体和从过滤器排出流体。 安装适配器还包括适于设置在过滤罐内的流体扩散器，以使流入物流体均匀地分布在过滤器上。

    Filter and valve assembly for water circulation systems
    45.
    发明授权
    Filter and valve assembly for water circulation systems 失效
    用于水循环系统的过滤器和阀组件

    公开(公告)号：US3491884A

    公开(公告)日：1970-01-27

    申请号：US3491884D

    申请日：1966-12-02

    Applicant: PADDOCK OF CALIFORNIA INC

    Inventor： BAKER WILLIAM H

    IPC: B01D24/16 ,  B01D29/41 ,  B01D37/02 ,  E04H3/20

    CPC classification number: B01D37/02 ,  B01D24/167 ,  B01D24/40 ,  B01D24/42 ,  B01D24/4652 ,  B01D29/41 ,  B01D29/668

    Abstract: 1,212,869. Filters cleaned by backwashing. PADDOCK OF CALIFORNIA Inc. 1 Dec., 1967 [2 Dec., 1966], No. 54845/67. Heading B1D. A tank 1 for a filter element comprises a single influent line 10 and a single outlet line 11; and a valve 15 which, as shown, connects line 10 to line 29, and connects line 28 to line 11 respectively for backwashing, but which in a second position (Fig. 2, not shown) connects line 10 to line 28 and line 29 to line 11 for normal forward filtration flow. As described, a bag (41, Fig. 1, not shown) is connected downstream of line 11 for filtering the backwash before returning it to a swimming pool; it may be bypassed during normal forward filtration. The filter element comprises beds of granular material 16-19 of increasing coarseness. The liquids are distributed and collected by perforated "cartwheel" members 30, 33. In another embodiment, Fig. 6 (not shown), the filter elements are hollow mesh disc members (61) covered with diatomaceous earth (64) and mounted on a fixed hollow shaft (59). Valve member 20 pivots about axis 22 and is surrounded by an O-ring 23 which sealingly engages in grooves 24 in the valve casing.

    Henry c
    49.
    发明授权
    Henry c 失效

    公开(公告)号：US488297A

    公开(公告)日：1892-12-20

    申请号：US488297D

    CPC classification number: B01D24/40 ,  B01D24/14

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