IT1303067B1 - Filtro per fluidi con zone di filtrazione differenziate - Google Patents
Filtro per fluidi con zone di filtrazione differenziateInfo
- Publication number
- IT1303067B1 IT1303067B1 IT1998MI000987A ITMI980987A IT1303067B1 IT 1303067 B1 IT1303067 B1 IT 1303067B1 IT 1998MI000987 A IT1998MI000987 A IT 1998MI000987A IT MI980987 A ITMI980987 A IT MI980987A IT 1303067 B1 IT1303067 B1 IT 1303067B1
- Authority
- IT
- Italy
- Prior art keywords
- fluids
- filter
- filtration areas
- differentiated
- differentiated filtration
- Prior art date
Links
- 238000001914 filtration Methods 0.000 title 1
- 239000012530 fluid Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/04—Cartridge filters of the throw-away type with cartridges made of a piece of unitary material, e.g. filter paper
- B01D27/06—Cartridge filters of the throw-away type with cartridges made of a piece of unitary material, e.g. filter paper with corrugated, folded or wound material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/08—Construction of the casing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/14—Cartridge filters of the throw-away type having more than one filtering element
- B01D27/146—Cartridge filters of the throw-away type having more than one filtering element connected in series
- B01D27/148—Cartridge filters of the throw-away type having more than one filtering element connected in series arranged concentrically or coaxially
-
- 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
- B01D29/05—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 supported
- B01D29/07—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 supported with corrugated, folded or wound filtering sheets
-
- 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
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
-
- 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
- B01D29/56—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 series connection
- B01D29/58—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 series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/10—Filter screens essentially made of metal
- B01D39/12—Filter screens essentially made of metal of wire gauze; of knitted wire; of expanded metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2003—Glass or glassy material
- B01D39/2017—Glass or glassy material the material being filamentary or fibrous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/18—Filters characterised by the openings or pores
- B01D2201/188—Multiple filtering elements having filtering areas of different size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/10—Multiple layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/30—Porosity of filtering material
- B01D2275/305—Porosity decreasing in flow direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
- B01D2279/50—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for air conditioning
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Filtering Materials (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Water Treatment By Sorption (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1998MI000987A IT1303067B1 (it) | 1998-05-06 | 1998-05-06 | Filtro per fluidi con zone di filtrazione differenziate |
EP99107405A EP0955078A1 (en) | 1998-05-06 | 1999-04-26 | Filter for fluids having differentiated filtration regions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT1998MI000987A IT1303067B1 (it) | 1998-05-06 | 1998-05-06 | Filtro per fluidi con zone di filtrazione differenziate |
Publications (2)
Publication Number | Publication Date |
---|---|
ITMI980987A1 ITMI980987A1 (it) | 1999-11-06 |
IT1303067B1 true IT1303067B1 (it) | 2000-10-23 |
Family
ID=11379969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT1998MI000987A IT1303067B1 (it) | 1998-05-06 | 1998-05-06 | Filtro per fluidi con zone di filtrazione differenziate |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0955078A1 (it) |
IT (1) | IT1303067B1 (it) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20010177A1 (it) * | 2001-01-31 | 2002-07-31 | Sogefi S P A | Massa filtrante per fluidi con disposizione a strati |
JP2002282626A (ja) * | 2001-03-29 | 2002-10-02 | Kyosan Denki Co Ltd | 液体用濾過体 |
US7438812B2 (en) * | 2001-04-10 | 2008-10-21 | Parker-Hannifin Corporation | Filter element and method of making |
US8776621B2 (en) * | 2009-03-06 | 2014-07-15 | Dionex Corporation | Fluid sample delivery system and method |
DE102009041401A1 (de) * | 2009-09-12 | 2011-03-24 | Hydac Filtertechnik Gmbh | Filterelement mit einem Filtermedium sowie Verfahren zum Herstellen desselben |
IN2014MU00659A (it) | 2014-02-25 | 2015-09-25 | Mann & Hummel Gmbh | |
US10653979B2 (en) * | 2014-04-10 | 2020-05-19 | Donaldson Company, Inc. | Pleated fluid filter element and methods |
DE102016015248A1 (de) * | 2016-12-21 | 2018-06-21 | Johns Manville Europe Gmbh | Hocheffizientes Filtermedium |
CN108295584A (zh) * | 2018-04-17 | 2018-07-20 | 东莞市东田过滤技术有限公司 | 一种免金属材料的滤芯及其滤清器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0060677A1 (en) * | 1981-03-13 | 1982-09-22 | AMSTED Industries Incorporated | Composite filter media |
US5275743A (en) * | 1991-12-10 | 1994-01-04 | Pall Corporation | Filter and filtration method |
US5403482A (en) * | 1993-10-12 | 1995-04-04 | Gelman Sciences Inc. | Self-supporting, pleated, spirally wound filter and the corresponding process of making |
IT1287629B1 (it) * | 1996-03-06 | 1998-08-06 | Universal Filter Spa | Processo per la fabbricazione di un mezzo filtrante, mezzo cosi' fabbricato, e filtri impieganti detto mezzo |
-
1998
- 1998-05-06 IT IT1998MI000987A patent/IT1303067B1/it active IP Right Grant
-
1999
- 1999-04-26 EP EP99107405A patent/EP0955078A1/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP0955078A1 (en) | 1999-11-10 |
ITMI980987A1 (it) | 1999-11-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |