ATE161095T1 - Verfahren und vorrichtung zur integritätsprüfung von filterelementen - Google Patents

Verfahren und vorrichtung zur integritätsprüfung von filterelementen

Info

Publication number
ATE161095T1
ATE161095T1 AT93906607T AT93906607T ATE161095T1 AT E161095 T1 ATE161095 T1 AT E161095T1 AT 93906607 T AT93906607 T AT 93906607T AT 93906607 T AT93906607 T AT 93906607T AT E161095 T1 ATE161095 T1 AT E161095T1
Authority
AT
Austria
Prior art keywords
pressure
integrity
filter element
time
outlet conduit
Prior art date
Application number
AT93906607T
Other languages
English (en)
Inventor
Horst Randhahn
Hartmut Vogelmann
Original Assignee
Pall Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6454872&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE161095(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pall Corp filed Critical Pall Corp
Application granted granted Critical
Publication of ATE161095T1 publication Critical patent/ATE161095T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/603—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by flow measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
    • B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
    • B01D29/92—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/0469—Filter tubes connected to collector tubes
    • B01D2201/0484—Filter tubes connected to collector tubes suspended from collector tubes at the upper side of the filter elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/08—Regeneration of the filter
    • B01D2201/088—Arrangements for killing microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/28—Position of the filtering element
    • B01D2201/287—Filtering elements with a vertical or inclined rotation or symmetry axis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N2015/084—Testing filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Examining Or Testing Airtightness (AREA)
AT93906607T 1992-03-24 1993-03-24 Verfahren und vorrichtung zur integritätsprüfung von filterelementen ATE161095T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4209519A DE4209519C3 (de) 1992-03-24 1992-03-24 Verfahren und Gerät zum schnellen Testen der Unversehrtheit von Filterelementen

Publications (1)

Publication Number Publication Date
ATE161095T1 true ATE161095T1 (de) 1997-12-15

Family

ID=6454872

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93906607T ATE161095T1 (de) 1992-03-24 1993-03-24 Verfahren und vorrichtung zur integritätsprüfung von filterelementen

Country Status (11)

Country Link
US (1) US5594161A (de)
EP (1) EP0586659B1 (de)
JP (1) JP2836963B2 (de)
KR (1) KR100276836B1 (de)
AT (1) ATE161095T1 (de)
CA (1) CA2112494C (de)
DE (2) DE4209519C3 (de)
DK (1) DK0586659T3 (de)
ES (1) ES2109481T3 (de)
RU (1) RU2113706C1 (de)
WO (1) WO1993019356A1 (de)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2077508B1 (es) * 1993-10-22 1996-05-01 Babcock & Wilcox Espanola Filtro para gases a alta temperatura y presion mediante candelas ceramicas.
DE19534417A1 (de) * 1995-09-16 1997-03-20 Fresenius Ag Verfahren zum Überprüfen von mindestens einem im Dialysierflüssigkeitssystem einer Vorrichtung zur extrakorporalen Blutbehandlung angeordneten Filter
US5786528A (en) * 1996-09-10 1998-07-28 Millipore Corporation Water intrusion test for filters
KR100538790B1 (ko) 1997-04-08 2005-12-23 폴 코포레이션 맥주 제조방법
US7132119B1 (en) 1997-04-08 2006-11-07 Pall Corporation Method for producing beer
DE19726379C2 (de) * 1997-06-21 2001-02-01 Sartorius Gmbh Prüfadapter zur Integritätsprüfung von in Reihe geschalteten Wickelmodulen
RU2122884C1 (ru) * 1997-09-09 1998-12-10 Акционерное общество открытого типа Научно-производственное предприятие "Старт" Фильтр для очистки жидкости
DE19815380A1 (de) * 1998-04-06 1999-10-07 Herding Gmbh Filterelementemodul für die Heißfluidfiltration
DE60004021T2 (de) 1999-02-26 2004-04-22 United States Filter Corp., Palm Desert Verfahren und vorrichtung zur prüfung von membranfiltern
UA72503C2 (uk) * 1999-04-04 2005-03-15 Сода Клаб (Со2) Са Система та спосіб випробування цілісності фільтра і система водоочищення (варіанти)
US6324898B1 (en) * 1999-12-21 2001-12-04 Zenon Environmental Inc. Method and apparatus for testing the integrity of filtering membranes
DE10017361A1 (de) * 2000-04-07 2001-10-11 Mann & Hummel Filter Differenzdruck-Messanordnung
US6599484B1 (en) * 2000-05-12 2003-07-29 Cti, Inc. Apparatus for processing radionuclides
AUPR001800A0 (en) * 2000-09-08 2000-10-05 Structural Monitoring Systems Ltd Method and apparatus for monitoring the integrity of structures
EP1205226A1 (de) * 2000-11-07 2002-05-15 Knoll Maschinenbau Gmbh Vorrichtung zur Filtrierung von Verunreinigungen enthaltenden Flüssigkeiten
ATE268203T1 (de) * 2001-03-21 2004-06-15 Steinecker Maschf Anton Kerzenfiltervorrichtung für die bierfiltration
DE10116335C1 (de) * 2001-04-02 2002-10-17 Sartorius Gmbh Verfahren zur Durchführung eines Integritätstest von Filterelementen
DE10135294B4 (de) * 2001-07-19 2011-07-07 Sartorius Stedim Biotech GmbH, 37079 Prüfvorrichtung für Filtersysteme
DE10151271B4 (de) * 2001-10-17 2010-01-07 Sartorius Stedim Biotech Gmbh Verfahren zur Durchführung von Integritätstests von Filterlementen
DE10151270B4 (de) * 2001-10-17 2006-10-26 Sartorius Ag System und Verfahren zur Überwachung der Integrität eines Filterelementes
DE10227160B4 (de) * 2002-06-18 2007-09-27 Sartorius Biotech Gmbh Verfahren zur Durchführung eines Integritätstests von Filterelementen
KR100495388B1 (ko) * 2002-10-21 2005-06-16 주식회사 이포어 카트리지 필터의 내수압 성능평가 장치
DE10340366B4 (de) * 2003-09-02 2008-12-18 Khs Ag Filtervorrichtung
US7743644B2 (en) * 2003-10-21 2010-06-29 Owens Corning Intellectual Capital, Llc Method for determining density of insulation
US7752889B2 (en) * 2004-10-20 2010-07-13 OCIC Intellectual Capital, LLC Apparatus and method for determining density of insulation
KR100691807B1 (ko) 2004-12-24 2007-03-12 한국농촌공사 토목섬유용 필터성능 시험장치
CN101232910B (zh) * 2005-07-01 2011-12-14 甘布罗伦迪亚股份公司 一种测试过滤器的装置
US20070144949A1 (en) * 2005-12-02 2007-06-28 Hidayat Husain Method and apparatus for testing membrane integrity
DE102006012198A1 (de) * 2006-03-16 2007-09-27 Seccua Gmbh Steuerungen eines Filtrationssystems
US20080093277A1 (en) * 2006-06-13 2008-04-24 John Armour Cadence detection in a sequence of video fields
CA2582585A1 (en) * 2007-03-26 2008-09-26 Separatech Canada Inc. Cartridge separator for immiscible liquids
US7581430B2 (en) * 2007-05-23 2009-09-01 K&N Engineering, Inc. Air velocity apparatus and system
FR2931146B1 (fr) * 2008-05-19 2010-08-13 Saur Procede de controle de l'integrite de membranes de filtration a plaques ou tubes ou de moules membranaires de filtration a plaques ou tubes dans une installation de traitement d'eaux usees
DE102009005256A1 (de) 2009-01-14 2010-07-29 Deutsches Zentrum für Luft- und Raumfahrt e.V. Haltevorrichtung für ein permeables Element und Messvorrichtung
WO2010118684A1 (zh) * 2009-04-14 2010-10-21 Zhou Jiazheng 单元式膜与生物分解的移动污水处理站
WO2011038095A1 (en) * 2009-09-24 2011-03-31 Gore Enterprise Holdings, Inc. Integrity test method for porous filters
US8544497B2 (en) * 2009-10-30 2013-10-01 Emd Millipore Corporation Fluid transfer device and system
DE102010008524B4 (de) 2010-02-18 2012-03-22 Sartorius Stedim Biotech Gmbh Verfahren und Vorrichtung zur Integritätsprüfung von Filterelementen
KR101163881B1 (ko) 2010-04-20 2012-07-09 대덕대학산학협력단 정량펌프를 이용한 필터 성능 테스트 장치 및 그를 이용한 필터 성능 테스트 방법
EP2418012A1 (de) * 2010-08-11 2012-02-15 Gambro Lundia AB Vorrichtung und Verfahren zum Testen von Filtern
EP2846893B1 (de) 2012-05-08 2017-08-23 Nephros, Inc. Vorrichtung mit einer spülpumpenfunktion für einen tragbaren flüssigkeitsreinigungsfilter
JP2014128780A (ja) * 2012-12-27 2014-07-10 Nihon Medi Physics Co Ltd フィルター完全性試験機構を備えた薬液分注機
US20140202235A1 (en) * 2013-01-24 2014-07-24 Bha Altair, Llc Cartridge filter robustness testing
RU2525905C1 (ru) * 2013-03-19 2014-08-20 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Челябинская государственная агроинженерная академия" Устройство для очистки природных и сточных вод от механических примесей
KR101507694B1 (ko) * 2014-12-11 2015-04-07 김영일 수처리용 필터모듈 테스트장치 및 그 장치를 이용한 수처리용 필터모듈의 테스트방법
WO2016109230A2 (en) * 2014-12-30 2016-07-07 Emd Millipore Corporation Aseptic filter vent valve and port for integrity testing
DE102015120003A1 (de) 2015-11-18 2017-06-01 B. Braun Avitum Ag Verfahren zur Sterilisation und Integritätsprüfung von Dialysatoren
KR102189592B1 (ko) 2015-11-20 2020-12-11 이엠디 밀리포어 코포레이션 향상된 안정도의 필터 완전성 시험
RU2732111C2 (ru) 2016-01-22 2020-09-11 Бакстер Интернэшнл Инк. Мешок для стерильного раствора продукта
PH12022551159A1 (en) 2016-01-22 2023-05-08 Baxter Healthcare Sa Method and machine for producing sterile solution product bags
DE102016101413B4 (de) 2016-01-27 2020-06-18 Sartorius Stedim Biotech Gmbh Vorrichtung und Verfahren zum Integritätstest von Filtermodulen
EP3444022A1 (de) 2017-08-16 2019-02-20 Gambro Lundia AB Verfahren zum testen von filtern
DE102019101993B4 (de) * 2018-01-31 2024-09-26 Topas Gmbh Technologie-Orientierte Partikel-, Analysen- Und Sensortechnik Verfahren zur Überprüfung von Filtertestanlagen
EP3560577A1 (de) 2018-04-25 2019-10-30 Gambro Lundia AB Vorrichtung und verfahren zur integritätsprüfung einer ultrafiltermembran
CN110201465A (zh) * 2019-06-06 2019-09-06 南京国源电气有限公司 一种自洁式空气过滤器的自洁效果测试台
CN111035983B (zh) * 2020-01-06 2024-07-05 湖南三友环保科技有限公司 一种用于生物硅藻土混合液中杂质去除的过滤装置
CN111896422A (zh) * 2020-07-09 2020-11-06 江苏新美星包装机械股份有限公司 一种除菌滤芯的完整性在线检测方法
EP3968002B1 (de) 2020-09-09 2025-01-22 Pall Corporation Verfahren und anordnung zur prüfung der integrität eines filtermediums
EP4019935B1 (de) * 2020-12-23 2023-06-21 Sartorius Stedim Biotech GmbH Integritätstest für eine doppelfiltercapsule
JP7574710B2 (ja) * 2021-03-26 2024-10-29 横河電機株式会社 水処理装置、及び水処理方法
US11712666B2 (en) * 2021-07-26 2023-08-01 Cytiva Us Llc Method and system for filter device integrity testing

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384474A (en) * 1980-10-30 1983-05-24 Amf Incorporated Method and apparatus for testing and using membrane filters in an on site of use housing
JPS57102212A (en) * 1980-12-17 1982-06-25 Japan Organo Co Ltd Detection of clogging for condensed water treating apparatus
DE3117399C2 (de) * 1981-05-02 1983-02-10 Bruno Ing.(grad.) 8931 Reichertshofen Huschke Prüfeinrichtung für Filter, insbesondere Sterilfilter
JPS5952507A (ja) * 1982-06-03 1984-03-27 デ−・エル・エム・ドクトル・ミユラ−・アクチエンゲゼルシヤフト 懸濁液を連続的に濃縮する装置
US4555934A (en) * 1982-09-29 1985-12-03 Core Laboratories, Inc. Method and apparatus for nonsteady state testing of permeability
GB2132366B (en) * 1982-12-27 1987-04-08 Brunswick Corp Method and device for testing the permeability of membrane filters
DE3331420A1 (de) * 1983-08-31 1985-03-14 Brunswick Corp., Skokie, Ill. Verfahren und vorrichtung zum pruefen der durchlaessigkeit von membranfiltern
DE3477691D1 (en) * 1983-09-09 1989-05-18 Fujisawa Pharmaceutical Co Apparatus for testing membrane filters, and apparatus for sterilizing liquids with use of membrane filter
DE3342440A1 (de) * 1983-11-24 1985-06-05 Messer Griesheim Gmbh, 6000 Frankfurt Verfahren und entsprechende vorrichtung zum erzeugen von hochreinen fluessigen gasen
US4701861A (en) * 1985-05-31 1987-10-20 Pall Corporation Filter test device
AT392158B (de) * 1986-09-09 1991-02-11 Voest Alpine Ag Einrichtung zum ueberwachen des zustandes von hydraulik-, schmier- oder kuehlfluessigkeiten
GB2202164B (en) * 1987-02-20 1991-04-03 Sartorius Gmbh Testing fluid filter apparatus
DE3805361A1 (de) * 1987-02-20 1988-09-01 Sartorius Gmbh Integralfilter fuer fluide aus mehreren ineinander geschachtelten filterelementen mit unterschiedlichem rueckhaltevermoegen und gehaeuse dafuer
DE3779318D1 (de) * 1987-11-02 1992-06-25 Pall Corp Vorrichtung und verfahren zur kontrolle eines fluessigkeitsflusses.
US4881176B1 (en) * 1988-01-22 1997-06-17 Thokon Corp Filter analyzing system
DE3917856C2 (de) * 1988-06-04 1998-06-10 Sartorius Gmbh Meßgerät als Teil einer Prüfeinrichtung für Filtersysteme, Prüfeinrichtung und Prüfverfahren
FR2638101B1 (fr) * 1988-10-21 1991-09-06 Biocom Sa Dispositif de filtration parallele d'une pluralite d'echantillons avec controle automatique des volumes filtres et du colmatage ainsi qu'avec indexation du filtre, et procede de filtration
US5005430A (en) * 1989-05-16 1991-04-09 Electric Power Research Institute, Inc. Automated membrane filter sampler
DE4119040C2 (de) * 1991-06-10 1997-01-02 Pall Corp Verfahren und Gerät zum Testen des Betriebszustands von Filterelementen
DE69313574T2 (de) * 1992-05-01 1998-01-08 Filtec Corp Vorrichtung zur Integritätsprüfung von Membranfiltern

Also Published As

Publication number Publication date
KR100276836B1 (ko) 2001-02-01
JP2836963B2 (ja) 1998-12-14
WO1993019356A1 (en) 1993-09-30
CA2112494C (en) 2002-11-19
DK0586659T3 (da) 1998-03-16
JPH06508442A (ja) 1994-09-22
DE4209519C3 (de) 2000-06-15
DE4209519A1 (de) 1993-09-30
DE4209519C2 (de) 1995-06-29
DE69315646D1 (de) 1998-01-22
US5594161A (en) 1997-01-14
ES2109481T3 (es) 1998-01-16
EP0586659B1 (de) 1997-12-10
EP0586659A1 (de) 1994-03-16
CA2112494A1 (en) 1993-09-25
DE69315646T2 (de) 1998-04-02
RU2113706C1 (ru) 1998-06-20

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