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    Filtering apparatus with pleated filtering material
    191.
    发明授权
    Filtering apparatus with pleated filtering material 失效
    带褶皱过滤材料的过滤装置

    公开(公告)号：US4954255A

    公开(公告)日：1990-09-04

    申请号：US326222

    申请日：1989-03-20

    Applicant: Roger Muller ,  Giancarlo Bee

    Inventor： Roger Muller ,  Giancarlo Bee

    IPC: B01D46/52

    CPC classification number: B01D46/523 ,  B01D46/0068 ,  B01D46/2411 ,  B01D2201/127 ,  B01D2265/06

    Abstract: The filtering apparatus comprises at least one filtering material pleated in fanfold formation and arranged between the inflow or upstream side and the outflow or downstream side. Each pleat open toward the inflow or upstream side possesses a rounded base. The radius of the rounded base is in the range of 0.05 to 0.3 times the pleat depth. Each pleat open toward the outflow or downstream side terminates in an acute angle. A dimensionally stable insert is positioned within each pleat which is open toward the outflow or downstream side. The insert is preferably formed of flat material and comprises bilaterally protuberant deformations. The inserts are provided with bores at least at the protuberant deformations. Each of the inserts space the two confronting downstream sides of the associated filtering pleat and prevent that the filtering material, at high-pressure conditions, is pressed together and becomes impervious at the locations pressed against the inserts. In this filtering apparatus, filter cake consisting of filtered-out particles is easily separated and removed from the filtering material in a cleaning operation performed by a medium flowing from the outflow side to the inflow side of the filtering apparatus.

    Abstract translation: 过滤装置包括至少一个在折叠形成中褶皱的过滤材料，并布置在流入或上游侧与流出或流出侧之间。 朝向流入侧或上游侧敞开的褶皱具有圆形基部。 圆形底部的半径在褶皱深度的0.05至0.3倍的范围内。 朝向流出侧或下游侧开放的每个褶皱终止于锐角。 尺寸稳定的插入件位于朝向流出侧或下游侧敞开的每个褶皱内。 插入件优选由平坦材料形成并且包括双边突起变形。 插入件至少在突起变形处设置有孔。 每个插入件将相关的过滤褶的两个相对的下游侧空间隔开，并且防止在高压条件下的过滤材料被压在一起并且在压靠插入件的位置处变得不透水。 在该过滤装置中，由从过滤装置的流出侧向流入侧流动的介质进行的清洗操作中，可以容易地从过滤材料中分离除去由过滤掉的颗粒构成的滤饼。

    Method of spacing the folds of a folded filter media
    192.
    发明授权
    Method of spacing the folds of a folded filter media 失效
    将折叠的过滤介质的折叠间隔的方法

    公开(公告)号：US4547950A

    公开(公告)日：1985-10-22

    申请号：US617058

    申请日：1984-05-29

    Applicant: Maynard L. Thompson

    Inventor： Maynard L. Thompson

    IPC: B01D46/52 ,  B23P9/00

    CPC classification number: B01D46/10 ,  B01D46/523 ,  B01D2201/127 ,  Y10T29/49861

    Abstract: The method for spacing the folds of a folded filter media assembly includes the steps of separating the folds of the filter media by the use of the tapered assembly comb having uniformly spaced teeth and subsequently inserting a rigid divider into the separated and spaced media folds to produce a uniformly spaced filter media. The comb can be discarded after the divider is inserted, and, accordingly, the comb is made of an inexpensive material having a desired degree of rigidity for handling, e.g., cardboard. The uniformly spaced filter media assembly is inserted into an operative position for filtering, e.g., as an air filter.

    Abstract translation: 用于间隔折叠的过滤介质组件的折叠的方法包括以下步骤：通过使用具有均匀间隔开的齿的锥形组件梳来分离过滤介质的折叠，并随后将刚性分隔器插入分离和间隔的介质折叠中以产生 均匀间隔的过滤介质。 在插入分隔器之后，可以将梳子丢弃，因此，梳子由具有期望的硬度等级的廉价材料制成，例如纸板。 均匀间隔的过滤介质组件被插入到用于过滤的操作位置，例如作为空气过滤器。

    Filter pleat support means
    193.
    发明授权
    Filter pleat support means 失效
    过滤器褶皱支撑装置

    公开(公告)号：US4488966A

    公开(公告)日：1984-12-18

    申请号：US429887

    申请日：1982-09-30

    Applicant: John I. Schaeffer

    Inventor： John I. Schaeffer

    IPC: B01D29/21 ,  B01D27/06

    CPC classification number: B01D29/21 ,  B01D2201/0407 ,  B01D2201/127

    Abstract: This invention comprehends a new and unique means for preventing the crowns (forward projections of the pleats) of a backflushable filter element from splitting due to the cyclic action that is experienced during cleaning and backflushing. In one embodiment, a plurality of spacers, preferably wedge shape, is positioned between the outwardly projecting pleats of the filter media thereby preventing the splitting thereof. A plurality of spacers may also be placed between the inwardly projecting pleats to provide additional support during the cleaning and backflushing cycle. In another embodiment a ring is placed adjacent the inwardly directed pleats and the inner end cap lip; this also prevents splitting of the crowns when the filter element is subjected to the cyclic action of cleaning and backflushing.

    Abstract translation: 本发明包括一种新的和独特的方法，用于防止可反吹过滤元件的冠部（褶皱的向前突出）由于在清洗和反吹过程中经历的循环作用而分裂。 在一个实施例中，多个间隔件，优选为楔形，位于过滤介质的向外突出的褶皱之间，从而防止其分离。 多个间隔物也可以放置在向内突出的褶之间，以在清洗和反冲洗循环期间提供额外的支撑。 在另一个实施例中，环邻近向内指向的褶和内端盖唇缘放置; 当过滤元件经受清洗和反吹的循环作用时，这也防止了冠的分离。

    Pleated filter element having integral pleat spacers
    194.
    发明授权
    Pleated filter element having integral pleat spacers 失效
    具有整体褶皱间隔件的褶皱过滤元件

    公开(公告)号：US4452619A

    公开(公告)日：1984-06-05

    申请号：US390065

    申请日：1982-06-18

    Applicant: Mervin E. Wright ,  Sheila C. Peyraud ,  Bradley B. Nielsen

    Inventor： Mervin E. Wright ,  Sheila C. Peyraud ,  Bradley B. Nielsen

    IPC: B01D29/07 ,  B01D27/06 ,  B01D39/16 ,  B01D46/52

    CPC classification number: B01D46/523 ,  B01D27/06 ,  B01D2201/127 ,  Y10S55/05

    Abstract: A pleated media filter element is disclosed which includes pleat spacers which are an integral structural part of the pleated media. The construction of the pleat spacers is accomplished by scoring on the unfolded media a continuous line pattern upon the portion of the media which, when folded, forms a pleat tip of the element. When the scored media is folded into pleats the patterns each define areas on the respective pleat tips which are integral structural parts of the media itself. The configuration of the pattern causes a portion of the media at the pleat tip to project transversely relative to the respective pleat, serving thereby as an integral spacer to space the pleat apart from the pleats on either side thereof.

    Abstract translation: 公开了一种打褶的介质过滤元件，其包括作为打褶介质的整体结构部分的褶皱间隔件。 折叠间隔物的构造通过在展开的介质上对介质的部分上的连续线图案进行评分来实现，当折叠时，形成元件的褶皱尖端。 当刻痕的介质折叠成褶时，图案每个限定作为介质本身的整体结构部分的相应褶皱尖端的区域。 图案的构造使得褶皱尖端处的介质的一部分相对于相应的褶皱横向突出，从而用作整体间隔件，以使褶皱与其任一侧上的褶皱隔开。

    Air filter construction
    195.
    发明授权
    Air filter construction 失效
    空气过滤器结构

    公开(公告)号：US4004899A

    公开(公告)日：1977-01-25

    申请号：US553881

    申请日：1975-02-28

    Applicant: Alfred Giacovas

    Inventor： Alfred Giacovas

    IPC: B01D46/10 ,  B01D46/52 ,  B01D27/06

    CPC classification number: B01D46/523 ,  B01D46/10 ,  B01D2201/127

    Abstract: A filter apparatus for removing contaminant particles from an air or gas stream, the apparatus including a filter medium, disposed therein in pleated form, across the air or gas stream to be treated. A rectangular frame has inner side walls defining therebetween a path for the air or gas stream to be treated. A filter medium is disposed in longitudinally-extending pleat form across an air or gas stream to be treated. A pleat spacer and supporting fiber is longitudinally co-extensive with the pleat filter medium. The fiber member consists integrally of a plurality of portions disposed along the pleat filter medium and of connecting portions extending at an acute angle from one end of the portion outside of the filter medium towards the other end, thereby providing a support inside the bend of each of the pleats and the connection portions extend crosswise to the pleats.

    Abstract translation: 一种用于从空气或气体流中除去污染物颗粒的过滤装置，该装置包括以打褶形式布置在待处理的空气或气体流中的过滤介质。 矩形框架具有在其间限定待处理的空气或气流的路径的内侧壁。 过滤介质沿着待处理的空气或气流沿纵向延伸的褶形形式设置。 褶皱间隔物和支撑纤维与褶过滤介质纵向共同扩展。 纤维构件由沿着褶皱过滤介质设置的多个部分和从过滤介质的一端的另一端处以锐角延伸的连接部分一体地构成，从而在每个的弯曲部内提供支撑 的褶皱和连接部分横向延伸到褶皱。

    Filters for liquids
    197.
    发明授权
    Filters for liquids 失效
    液体过滤器

    公开(公告)号：US3487943A

    公开(公告)日：1970-01-06

    申请号：US3487943D

    申请日：1967-05-15

    Applicant: GEN MOTORS CORP

    Inventor： BUCKMAN KENNETH ERNEST

    IPC: B01D29/01 ,  B01D29/11 ,  B31D5/00 ,  B01D29/42 ,  B01D29/06

    CPC classification number: B31D5/0082 ,  B01D29/012 ,  B01D29/07 ,  B01D29/111 ,  B01D29/21 ,  B01D2201/127

    Abstract: 1,188,525. Oil filter. GENERAL MOTORS Ltd. 27 April, 1967 [26 May, 1966], No. 23646/ 66. Heading B1D. An oil filter, for an I.C. engine, comprises a tubular pleated element 30 of resin-impregnated paper, having the flow resistance of one portion C thereof increased by compressing the pleats together and/or by adding a further filtering sheet 37 of similar porosity, outside or inside, whereby this portion takes a smaller flow rate per unit area than the rest and acts as a reserve of filtering capacity. Fig. 1 (not shown) illustrates a filter having compressed pleats only and Figs. 2-4 (not shown) a sliding jig whereby the pleats are so spaced. The further sheet may be bonded to the pleats all round its periphery (Figs. 5, 6, not shown) or at the ends only, with its sides merely folded between adjacent pleats (Figs. 8, 9, not shown), and may have a central aperture 39 and corner or side discontinuities in sealing, whereby it is by-passed when clogged. Pleats may be spaced by dimples (14, 15) and their ends sealed individually (16) and/or to end caps (Fig. 11, not shown) by adhesive.

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