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    A FILTER AND FILTRATION METHOD
    33.
    发明申请
    A FILTER AND FILTRATION METHOD 审中-公开
    过滤和过滤方法

    公开(公告)号：WO1993011849A1

    公开(公告)日：1993-06-24

    申请号：PCT/US1992010762

    申请日：1992-12-09

    Applicant: PALL CORPORATION

    Inventor： PALL CORPORATION ,  MILLER, John, D. ,  STOYELL, Richard,, C. ,  CONNORS, James, T., Jr.

    IPC: B01D29/58

    CPC classification number: B01D39/083 ,  B01D29/21 ,  B01D29/232 ,  B01D29/58 ,  B01D2201/0407 ,  B01D2239/0618

    Abstract: A filter for filtering a highly viscous material comprises a filter element including a glass fiber filter medium, preferably resin-bonded, having upstream and downstream sides and a polymeric mesh situated on at least one of the upstream and downstream sides of the filter medium, and preferably on both sides of the filer medium. A non-woven sheet, such as a cellulose paper sheet, may be disposed between the downstream side of the filter medium and the downstream polymeric mesh. The filter element is typically cylindrical and longitudinally pleated to maximize the filtration area in as small a volume as possible. Also provided is a method of filtering a highly viscous material, particularly magnetic coating mixes.

    FILTER FOR LIQUOR FILTRATION
    34.
    发明申请
    FILTER FOR LIQUOR FILTRATION 审中-公开
    过滤器过滤器

    公开(公告)号：WO1992005864A1

    公开(公告)日：1992-04-16

    申请号：PCT/EP1991001864

    申请日：1991-09-30

    Applicant: PALL CORPORATION ,  WOLLINSKY, Kurt, H. ,  SAEFKOW, Michael, W., K.

    Inventor： PALL CORPORATION

    IPC: B01D69/02

    CPC classification number: B01D69/12 ,  A61M1/3633 ,  A61M2202/0464 ,  B01D69/02 ,  Y10T428/249958 ,  A61M2230/005

    Abstract: A filter for use in a process for the filtration of liquor cerbrospinalis comprises a membrane filter layer having a pore size of from 0.04 to 0.45 mu m and a thickness of from 0.1 to 1 mm, wherein said filter has a geometric surface area of from 15 to 300 cm and a pyrogen separation capacity of at least 500 mu g.

    Abstract translation: 用于过滤液体龙胆的方法的过滤器包括孔径为0.04至0.45μm和厚度为0.1至1mm的膜过滤层，其中所述过滤器的几何表面积为15 至300cm 2，热原分离能力至少为500μg。

    MICROCOMPUTER CONTROL SYSTEM FOR DESICCANT DRYER
    35.
    发明申请
    MICROCOMPUTER CONTROL SYSTEM FOR DESICCANT DRYER 审中-公开
    用于干燥剂的微型计算机控制系统

    公开(公告)号：WO1984002086A1

    公开(公告)日：1984-06-07

    申请号：PCT/US1983001859

    申请日：1983-11-23

    Applicant: PALL CORPORATION

    Inventor： PALL CORPORATION ,  TINKER, Craig, S.

    IPC: B01D53/04

    CPC classification number: B01D53/261 ,  B01D53/0454 ,  B01D2259/402

    Abstract: A microcomputer-based programmable control system for desiccant air dryers (20) monitors the level of moisture saturation of the desiccant beds and adjusts the regeneration cycle accordingly to optimize energy efficiency. The moisture sensors have capacitance probes (32), (33) and adjustable resistors (68) as frequency determining components for precision oscillators (65). A multiple counter integrated circuit (58) is controlled by the microcomputer (55) to establish a predetermined time interval and to count cycles of the precision oscillators during the predetermined time interval to obtain final counts for each probe (32), (33) indicative of the level of moisture saturation in the respective desiccant beds. The microcomputer (55) compares the final counts to a predetermined threshold number in order to determine whether a regeneration cycle is required, and also compares the final counts to maximum and minimum threshold numbers to detect and indicate probe failure. A pair of high and low pressure sensitive switches (59) is provided for each desiccant bed, and the microcomputer (55) tests for coincidence of the high switches and the low switches to monitor full depressurization and repressurization of the regenerating bed and to analyze and indicate valve malfunction. The control system directly activates low current, low capacity solenoid valves (201) which in turn operate high pressure pneumatic relays to drive the valves in the air dryer.

    EVALUATION OF PARTICULATE CONTAMINANTS
    37.
    发明申请
    EVALUATION OF PARTICULATE CONTAMINANTS 审中-公开
    颗粒污染物的评价

    公开(公告)号：WO1998004901A1

    公开(公告)日：1998-02-05

    申请号：PCT/GB1997002001

    申请日：1997-07-23

    Applicant: PALL CORPORATION ,  BURNISTON, Ian

    Inventor： PALL CORPORATION

    IPC: G01N15/06

    CPC classification number: G01N15/0618

    Abstract: A component is washed with a fluid to release particulate contaminant. The particulate-containing fluid is passed through a screen (22) having a known number of apertures of identical known size. The change in pressure caused by the accumulation of particles in the screen is measured and compared with the pressure when the screen is clean. From this, a control system (54) determines the number of particles in the fluid having a size greater than the aperture size. This is related to a unit volume by measuring the volume of fluid passing through the screen (22). If the screen blocks before all the fluid is passed through the screen (22), the fluid is pulsed in forward and reverse flow to re-distribute the particles on the screen. The fluid is then back washed from the screen to a second screen (28) having a known number of apertures of identical size. The number of particles per unit volume having a size greater than the size of the apertures of the second screen is then determined. If the second screen (28) blocks, the second screen (28) is pulsed and the fluid back washed to a third screen (32) having a known number of apertures of identical size. The number of particles per unit volume having a size greater than the size of the third screen (38) is then determined. These values are displayed by the control system (54).

    Abstract translation: 用流体洗涤组分以释放颗粒污染物。 含颗粒的流体通过具有已知数量的相同已知尺寸的孔的筛网（22）。 测量由屏幕中的颗粒积聚引起的压力变化，并将其与屏幕清洁时的压力进行比较。 由此，控制系统（54）确定流体中具有大于孔径尺寸的粒子的数量。 这通过测量通过筛网（22）的流体的体积与单位体积有关。 如果在所有流体通过筛网（22）之前屏幕阻塞，则流体被正向和反向流动地脉冲以将颗粒重新分布在屏幕上。 然后将流体从筛网反洗至具有相同尺寸的已知孔数的第二筛网（28）。 然后确定具有大于第二屏幕的孔径的尺寸的每单位体积的颗粒数量。 如果第二屏幕（28）被阻挡，则第二屏幕（28）被脉冲，并将流体反洗至具有已知数量的相同尺寸的孔径的第三屏幕（32）。 然后确定具有大于第三屏幕（38）的尺寸的单位体积的颗粒数。 这些值由控制系统（54）显示。

    MULTIPLE ELEMENT FILTER
    38.
    发明申请
    MULTIPLE ELEMENT FILTER 审中-公开
    多元素过滤器

    公开(公告)号：WO1998001207A1

    公开(公告)日：1998-01-15

    申请号：PCT/US1997011733

    申请日：1997-07-03

    Applicant: PALL CORPORATION ,  BORMANN, Thomas, J. ,  DELGIACCO, Gerard, R. ,  MATKOVICH, Vlado, I. ,  FRANOVIC, Mladen

    Inventor： PALL CORPORATION

    IPC: B01D35/00

    CPC classification number: A61M1/3633 ,  A61M2202/0439 ,  B01D61/18 ,  B01D63/082 ,  A61M2202/0057

    Abstract: A biological fluid filter assembly (100) including a plurality of porous media (6a, 6b) and essentially lacking a solid partition between the media is disclosed. Preferably, the assembly has a space (12) between the media (6a, 6b). The filter assembly is especially suitable for depleting leukocytes from a biological fluid such as packed red cells, and can be used to deplete leukocytes from two or more units of biological fluid. A method of using the filter assembly is also provided.

    Abstract translation: 公开了一种生物流体过滤器组件（100），其包括多个多孔介质（6a，6b），并且在介质之间基本上没有固体分隔。 优选地，组件在介质（6a，6b）之间具有空间（12）。 过滤器组件特别适用于从诸如填充红细胞的生物流体中消耗白细胞，并且可用于从两个或更多个单位的生物流体中消耗白细胞。 还提供了一种使用该过滤器组件的方法。

    POLYARYLENE SULFIDE MELT BLOWING METHODS AND PRODUCTS
    40.
    发明申请
    POLYARYLENE SULFIDE MELT BLOWING METHODS AND PRODUCTS 审中-公开
    POLYARYLENE硫化物熔融吹制方法和产品

    公开(公告)号：WO1997021857A2

    公开(公告)日：1997-06-19

    申请号：PCT/US1996018983

    申请日：1996-11-27

    Applicant: PALL CORPORATION

    Inventor： PALL CORPORATION ,  HARWOOD, Colin, F. ,  VASSERMAN, Isaak ,  GSELL, Thomas, C.

    IPC: D01F06/94

    CPC classification number: D01F6/765 ,  C08L23/10 ,  C08L81/02 ,  D01D5/0985 ,  D01F6/94 ,  Y10T428/2929 ,  C08L2666/04

    Abstract: The present invention provides a method of preparing polyarylene sulfide fibers, particularly polyphenylene sulfide fibers, comprising melt blowing a blend of polyarylene sulfide and a polyolefin, wherein the polyolefin is present in the blend in an amount of up to about 40 % by weight of the total blend. The present invention also provides fibers, webs, and other products prepared in accordance with the present inventive method.

    Abstract translation: 本发明提供了制备聚芳硫醚纤维，特别是聚苯硫醚纤维的方法，包括熔融吹塑聚芳硫醚和聚烯烃的共混物，其中聚烯烃以共混物的重量计高达约40％ 总共混合。 本发明还提供了根据本发明方法制备的纤维，纤维网和其它产品。

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