FI92800B - Självrenande filter - Google Patents

Självrenande filter Download PDF

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Publication number
FI92800B
FI92800B FI912701A FI912701A FI92800B FI 92800 B FI92800 B FI 92800B FI 912701 A FI912701 A FI 912701A FI 912701 A FI912701 A FI 912701A FI 92800 B FI92800 B FI 92800B
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FI
Finland
Prior art keywords
pressure
filter
nozzles
nozzle
filter medium
Prior art date
Application number
FI912701A
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English (en)
Finnish (fi)
Other versions
FI912701A0 (sv
FI92800C (sv
FI912701A (sv
Inventor
Ytzhak Barzuza
Original Assignee
Filtration Ltd
Barzuza Y
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Filing date
Publication date
Application filed by Filtration Ltd, Barzuza Y filed Critical Filtration Ltd
Publication of FI912701A0 publication Critical patent/FI912701A0/sv
Publication of FI912701A publication Critical patent/FI912701A/sv
Publication of FI92800B publication Critical patent/FI92800B/sv
Application granted granted Critical
Publication of FI92800C publication Critical patent/FI92800C/sv

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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
    • B01D29/117—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 outward 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
    • B01D29/01—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 flat filtering elements
    • 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
    • B01D29/117—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 outward flow filtration
    • B01D29/118—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 outward flow filtration open-ended
    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6438—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles
    • B01D29/6446—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles with a rotary movement with respect to the filtering element
    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6438—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles
    • B01D29/6453—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles with a translational movement with respect to the filtering element
    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6438—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles
    • B01D29/6461—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles with a combination of movements with respect to the filtering elements
    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B01D29/682—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a rotary movement with respect to the filtering element
    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B01D29/684—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a translatory movement with respect to the filtering element
    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B01D29/686—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a combination of movements with respect to the filtering elements
    • 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
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B01D29/688—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with backwash arms or shoes acting on the cake side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/463—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
    • B01D33/503—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles the backwash arms, shoes acting on the cake side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
    • B01D33/727—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding provoking a tangential stream
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B01D33/801—Driving means, shaft packing systems or the like
    • 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
    • B01D2201/081—Regeneration of the filter using nozzles or suction devices
    • B01D2201/082—Suction devices placed on the cake side of the filtering element
    • 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
    • B01D2201/081—Regeneration of the filter using nozzles or suction devices
    • B01D2201/083—Suction devices placed on the filtrate side of the filtering element, e.g. with variable edge filters
    • 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
    • B01D2201/081—Regeneration of the filter using nozzles or suction devices
    • B01D2201/084—Nozzles placed on the filtrate side of the filtering element
    • 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
    • B01D2201/282—Filtering elements with a horizontal rotation or symmetry axis

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Detergent Compositions (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Claims (22)

1. Självrenande filter innefattande: ett filterhölje (2) med ätminstone ett inlopp (4) för rä-vätska och ett uttag (6) för renad vätska, 5 ett filtermedium (8) inplacerat mellan inloppet för rä-vätska och uttaget för renad vätska, ätminstone ett munstycke (10, 10'), som är beläget närä filtermediet och kan kopplas tili tvä tryckkällor (HP, LP) , som producerar tryck som skiljer sig frän varandra, och 10 en anordning (18, 20, 34) för ästadkommande av en relativ rörelse mellan filtermediet (8) och nämnda ätminstone ena munstycke (10, 10') sä att .filtret under sin funktion täcker en väsentlig del av filtermediets yta, kännetecknat av att det ena (HP) av trycken (HP, LP) är 15 högre än trycket i filtermediet och det andra (LP) är lägre än trycket i filtermediet.
2. Filter enligt patentkrav 1, kännetecknat av att det innefattar en anordning för alternativt kopplande av mun- 20 stycket (10, 10') tili nägondera av de tvä tryckkällorna (HP, LP).
3. Filter enligt patentkrav 1, kännetecknat av att det högre trycket (HP) produceras medelst en pump (29) och det 25 lägre trycket (LP) är atmosfärtrycket. • »
4. Filter enligt patentkrav l, kännetecknat av att anordning som ästadkommer en rörelse är en hydraulisk cylinder (20), vars kolv (18) är förbunden med munstycket (10, 10'). 30
5. Filter enligt patentkrav 2, kännetecknat av att anord-ningen för alternativt kopplande av munstycket (10, 10') tili nägondera av de tvä tryckkällorna (HP, LP) utgörs av ätminstone en reglerbar ventil (24, 26). 35
6. Filter enligt patentkrav 1, kännetecknat av att filtermediet (8) är väsentligen plant och att den relativa rörelsen är fram- och ätergäende. Il 92800 17
7. Filter enligt patentkrav 1, kännetecknat av att filtermediet (8) är väsentligen cylinderformat.
8. Filter enligt patentkrav 5, kännetecknat av att det 5 innefattar en andra ventil (25), som är belägen motströms om rävätskans inlopp (4) , samt en ledning (27), som frän de tvä ventilerna (24, 26) via den ena ventilen leder till munstycket (10, 10').
9. Filter enligt patentkrav 1, kännetecknat av att fil- termediet (8) innefattar ätminstone tvä munstycken .(10, 10. belägna pä motsatta sidor om filtermediet (8).
10. Filter enligt patenkrav 1, kännetecknat av att filter-15 mediet innefattar ätminstone tvä munstycken (10, 10') belägna pä en och samma sida om filtermediet (8).
11. Filter enligt patentkrav l, kännetecknat av att filtermediet (8) innefattar ätminstone tvä munstycken (10, 20 10'), och att trycket som förmedlas tili det ena munstycket är högre än det i filtermediet (8) rädande trycket och att trycket som förmedlas tili det andra munstycket är lägre än det i filtermediet rädande trycket.
12. Filter enligt patentkrav 11, kännetecknad av att hög- trycksmunstyckets effekt är väsentligt lägre än lägtrycks-munstyckets effekt.
13. Filter enligt patentkrav l, kännetecknat av att hög-30 trycksmunstyckets yttäckningshastighet är avsevärt mindre än motsvarande hastighet hos lägtrycksmunstycket. ' · I
14. Filter enligt patentkrav 7, kännetecknat av att det innefattar ätminstone tvä munstycken (10, 10'), som är be- 35 lägna närä filtermediet (8), varvid vartdera munstycket är förenat tili en tryckkälla som producerar ett tryck som skiljer sig frän det i filtermediet rädande trycket, och . « att det innefattar en första anordning (18, 20) för ästad- 18 92800 kommande av en relativ, fram- och ätergäende förflyttnings-rörelse mellan filtermediet (8) och de ätminstone tvä mun-styckena (10, 10'), och en andra anordning (34) för ästad-kommande av en relativ rotationsrörelse mellan filtermediet 5 och de ätminstone tvä munstyckena, varvid förflyttningsrö-relsen och rotationsrörelsen gär pä varandra sä att munstyckena täcker en väsentlig del av filtermediet.
15. Filter enligt patentkrav 14, kännetecknat av att det 10 innefattar ätminstone ett munstyckspar (10, 10'), varvid det ena munstycket (10) av detta ätminstone ena par är pla-cerat pä den inre av tvä ihäliga koncentriska axlar, vilka är styvt förenade med varandra, och det andra munstycket (10') av detta ätminstone ena par (10, 10') är placerat pä 15 den yttre av de tvä ihäliga koncentriska axlarna (38).
16. Filter enligt patentkrav 14, kännetecknat av att den första anordningen är en hydraulisk cylinder (20), som är anordnad att rotera tillsammans med koiven (18) och mun- 20 styckena (10, 10').
17. Filter enligt patentkrav 14, kännetecknat av att det innefattar högtrycksmunstycken och lägtrycksmunstycken, vilka lägtrycksmunstycken är förenade med ledningarnas (52) 25 lägre ändor, vilka ledningar leder i riktning uppät utanför filterhöljet (2) och ätminstone de övre delarna av lednin-garna är utät sneda i förhällande tili rotationsrörelsens axel, och att källan som producerar lägt tryck är en cent-rifugalkraft som uppstär i de utät sneda ledningarna dä 30 dessa roterar tillsammans med munstyckena (10, 10').
18. Filter enligt patentkrav 14, kännetecknat av att det innefattar en tryckreglerare (66) som är i förbindelse med högtrycksmunstyckets tryckkälla och som innefattar en 35 strypt del (68) i ledningen som förenar nämnda källa med munstyckena (10, 10'), en relativt vid ledningsdel (70) som leder förbi den strypta delen, och en datorstyrd ventil II 92800 19 (72) som är anordnad att öppna eller stänga den förbiledan-de rördelen (70).
19. Filter enligt patentkrav 14, kannetecknat av att 5 tryckkällan som päverkar högtrycksmunstyckena utgörs av en första elpump (29) och tryckkällan som päverkar lägtrycks-munstyckena utgörs av en andra elpump (74).
20. Filter enligt patentkrav 14, kännetecknad av att det 10 innefattar en ventil (60) som är anordnad att tillsluta ut- taget (6) för renad vätska.
21. Filter enligt patentkrav 14, kännetecknat av att den relativa rotationsrörelsen ästadkoms genom att ge filterme- 15 diet (8) en rotationsrörelse, medan munstyckena (10, 10') utför endast en fram- och ätergäende förflyttningsrörelse.
22. Filter enligt patentkrav 21, kännetecknat av att fil-termediets (8) rotationsrörelse ästadkoms medelst en tan- 20 gentiellt riktad inmatning (4) av rävätska. • · • ·
FI912701A 1990-06-06 1991-06-05 Självrenande filter FI92800C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL94630A IL94630A (en) 1990-06-06 1990-06-06 Self-cleaning filter
IL9463090 1990-06-06

Publications (4)

Publication Number Publication Date
FI912701A0 FI912701A0 (sv) 1991-06-05
FI912701A FI912701A (sv) 1991-12-07
FI92800B true FI92800B (sv) 1994-09-30
FI92800C FI92800C (sv) 1995-01-10

Family

ID=11061275

Family Applications (1)

Application Number Title Priority Date Filing Date
FI912701A FI92800C (sv) 1990-06-06 1991-06-05 Självrenande filter

Country Status (26)

Country Link
US (1) US5268095A (sv)
EP (1) EP0460842B1 (sv)
JP (1) JPH0647209A (sv)
KR (1) KR920000357A (sv)
AR (1) AR245612A1 (sv)
AT (1) ATE163563T1 (sv)
AU (1) AU635137B2 (sv)
BG (1) BG61028B1 (sv)
BR (1) BR9102532A (sv)
CA (1) CA2043474C (sv)
CS (1) CS169891A3 (sv)
DE (1) DE69128983T2 (sv)
FI (1) FI92800C (sv)
HU (1) HUT61222A (sv)
IE (1) IE69311B1 (sv)
IL (1) IL94630A (sv)
LV (1) LV11108B (sv)
MD (1) MD1322B2 (sv)
NO (1) NO179128C (sv)
NZ (1) NZ238291A (sv)
PL (1) PL168084B1 (sv)
PT (1) PT97872A (sv)
RO (1) RO113119B1 (sv)
TR (1) TR26638A (sv)
YU (1) YU47571B (sv)
ZA (1) ZA914096B (sv)

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IL105537A (en) * 1993-04-28 1998-01-04 Filtration Ltd Filter element and a method and system for cleaning the filter element
DE4339268C2 (de) * 1993-11-18 1996-01-25 Huber Hans Gmbh Maschinen Und Verfahren und Vorrichtung zum Ausfiltern und Rückspülen von Feststoff-Partikeln aus Flüssigkeiten
WO1995014521A1 (de) * 1993-11-22 1995-06-01 Kampfer, Konrad Filtereinheit für fluide
US5505854A (en) * 1994-09-09 1996-04-09 Electric Power Research Institute Two continuous filtration system for supplying filtrate to automatic analyzers
DE9417636U1 (de) * 1994-11-03 1995-02-02 Anton Steinecker Entwicklungs Gmbh & Co, 85356 Freising Kerzenfiltervorrichtung mit Spritzvorrichtung
US5632903A (en) * 1995-06-07 1997-05-27 Infinity Research And Development High volume self-cleaning filter
AUPO389796A0 (en) * 1996-11-29 1996-12-19 Techsearch Incorporated Filter with counter flow clearing
US6120614A (en) * 1997-11-14 2000-09-19 Ez Environmental Solutions Corporation Method and apparatus for pressure washing
MD1940G2 (ro) * 1998-10-20 2002-12-31 Институт Прикладной Физики Академии Наук Молдовы Dispozitiv pentru purificarea lichidelor dielectrice
US6267879B1 (en) * 1999-08-11 2001-07-31 Odis Irrigation Equipment Ltd. Continuous liquid filtering apparatus with multi-layer sintered filtering element
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PL168084B1 (pl) 1995-12-30
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AR245612A1 (es) 1994-02-28
NO912082D0 (no) 1991-05-30
IE69311B1 (en) 1996-09-04
YU99791A (sh) 1994-05-10
YU47571B (sh) 1995-10-03
PT97872A (pt) 1993-06-30
EP0460842B1 (en) 1998-03-04
RO113119B1 (ro) 1998-04-30
KR920000357A (ko) 1992-01-29
HUT61222A (en) 1992-12-28
TR26638A (tr) 1995-03-15
AU7809391A (en) 1991-12-12
FI912701A0 (sv) 1991-06-05
MD1322B2 (ro) 1999-09-30
HU911883D0 (en) 1991-12-30
CA2043474A1 (en) 1991-12-07
IL94630A0 (en) 1991-04-15
EP0460842A1 (en) 1991-12-11
FI92800C (sv) 1995-01-10
CA2043474C (en) 2000-09-19
BG61028B1 (bg) 1996-09-30
DE69128983T2 (de) 1998-06-18
LV11108B (en) 1996-08-20
ATE163563T1 (de) 1998-03-15
BG94576A (bg) 1993-12-24
NO912082L (no) 1991-12-09
ZA914096B (en) 1992-03-25
US5268095A (en) 1993-12-07
PL290570A1 (en) 1991-12-16
IL94630A (en) 1993-08-18
AU635137B2 (en) 1993-03-11
CS169891A3 (en) 1992-02-19
NO179128B (no) 1996-05-06
NO179128C (no) 1996-08-14
LV11108A (lv) 1996-04-20
DE69128983D1 (de) 1998-04-09
FI912701A (sv) 1991-12-07
BR9102532A (pt) 1992-01-21
JPH0647209A (ja) 1994-02-22

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