EP2203232A1 - Ensemble de filtre et doublure de puisard - Google Patents

Ensemble de filtre et doublure de puisard

Info

Publication number
EP2203232A1
EP2203232A1 EP08838753A EP08838753A EP2203232A1 EP 2203232 A1 EP2203232 A1 EP 2203232A1 EP 08838753 A EP08838753 A EP 08838753A EP 08838753 A EP08838753 A EP 08838753A EP 2203232 A1 EP2203232 A1 EP 2203232A1
Authority
EP
European Patent Office
Prior art keywords
sump
liner
sump liner
cartridge
fluid
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP08838753A
Other languages
German (de)
English (en)
Other versions
EP2203232A4 (fr
Inventor
Steven T. Jersey
Michael Saveliev
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pentair Filtration Solutions LLC
Original Assignee
Pentair Residential Filtration LLC
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
Application filed by Pentair Residential Filtration LLC filed Critical Pentair Residential Filtration LLC
Publication of EP2203232A1 publication Critical patent/EP2203232A1/fr
Publication of EP2203232A4 publication Critical patent/EP2203232A4/fr
Withdrawn legal-status Critical Current

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
    • B01D35/30—Filter housing constructions
    • B01D35/31—Filter housing constructions including arrangements for environmental protection, e.g. pressure resisting features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/30—Filter housing constructions
    • B01D2201/307—Filtering elements contained in an insert body mounted in a filter housing (double casing), e.g. to avoid contamination when removing or replacing the filter element

Definitions

  • Some embodiments of the disclosure provide a sump liner for use with a fluid filter assembly in an appliance.
  • the sump liner includes an open end configured to be coupled to the housing and a closed end opposite from the open end.
  • the sump liner includes a body between the open end and the closed end with the body including at least one corrugated wall.
  • the sump liner includes a cartridge-receiving cavity formed by the body and the closed end. The cartridge-receiving cavity is configured to at least partially cover a filter cartridge when the filter cartridge is inserted into and removed from the sump.
  • the sump liner substantially prevents fluid from the filter cartridge from contacting the sump.
  • Fig. 1 is an exploded view of a fluid filter assembly including a sump liner according to one embodiment of the disclosure.
  • FIG. 2 is an exploded view of a filter cartridge for use with the fluid filter assembly of Fig. 1.
  • FIG. 3 is a cross-sectional view of the filter cartridge of Fig. 2 taken along line 3-3 of Fig. 2.
  • Fig. 4 is a top view of the sump liner included in the fluid filter assembly of Fig. DETAILED DESCRIPTION
  • Fig. 1 illustrates a filter assembly 10 according to one embodiment of the disclosure, as can be generally used in refrigerators or similar kitchen appliances.
  • filter assembly 10 generally includes a filter housing 12, a filter cartridge 14, an O-ring gasket 16, a sump liner 18, and a filter cup or sump 20.
  • the filter assembly 10 shown in Fig. 1 is only for purposes of illustrating various features of embodiments of the disclosure, in that other filter assemblies, such as filter assemblies having alternate configurations or components, can include features comprising an embodiment encompassed by the disclosure.
  • a filter assembly according to the disclosure, such as filter assembly 10 can be utilized in applications other than those involving refrigerators or kitchen appliances generally.
  • Filter housing 12 includes a substantially cylindrical body 22 defined between an attachment portion 24 and a receiving portion 26.
  • attachment portion 24 is adapted or configured to facilitate a substantially secure, non-permanent attachment for filter housing 12 in its intended location.
  • attachment portion 24 may include a threaded section, flange or other suitable features for coupling filter housing 12 to a refrigerator or other appliance.
  • filter housing 12 can include other mechanisms either associated with attachment portion 24 or otherwise that facilitate the positioning of filter housing 12 in its intended location.
  • Filter housing 12 can also be integral to a refrigerator or any other device with which filter assembly 10 is to be installed.
  • Filter housing 12 is also configured to mate with cup 20, which can be accomplished through a suitable attachment mechanism, such as corresponding threading on the outer surface of receiving portion 26 and the inner surface of sump 20.
  • Receiving portion 26 of filter housing 12 includes an opening 28 which at least partially defines an interior space 30 configured to receive other components of filter assembly 10.
  • components received by filter housing 12 include filter cartridge 14, ring gasket 16, sump liner 18, and sump 20.
  • Other components can also be included within filter assembly 10 and received by filter housing 12.
  • filter housing 12 can be configured for connecting with the fluid inlet and outlet lines from an appliance, while opening 28 and interior space 30 provide for fluid communication between components of filter assembly 10 and the respective inlet and outlet fluid lines.
  • filter cartridge 14 of filter assembly 10 can include a first filter cap 32, a filter media 34, and a second filter cap 36.
  • Filter media 34 can be substantially cylindrical having a central longitudinal axis 38 with a substantially cylindrical conduit 40 that is aligned with axis 38.
  • the disclosure is not limited to any particular filter media 34 shape, and filter media 34 can comprise other shapes than shown in this embodiment. Additionally, other embodiments can include filter medium and conduits which are not axially aligned.
  • First filter cap 32 and second filter cap 36 can each generally include a conduit extension 42 in axial alignment with axis 38 and dimensioned to be inserted within cylindrical conduit 40.
  • Second filter cap 36 further includes a neck portion 44 extending from filter cartridge 14 along axis 38 in substantially the opposite direction as extension 42 of second filter cap 36. Neck portion 44 and extension 42 of second filter cap 36 cooperate to form a passage 46 which provides for fluid communication with conduit 40 in filter media 34 and extension 42 of first filter cap 32.
  • Neck portion 44 of second filter cap 36 includes an outside surface 48 and a stepped inside surface 50, forming portions of passage 46 that differ in diameter.
  • Outside surface 48 includes an annular recessed groove 52 configured to seat an O-ring gasket 54 therein.
  • first filter cap 32 and second filter cap 36 can include a plurality of apertures 56 formed in a generally concentric arrangement with respect to axis 38 in filter caps 32 and 36.
  • filter assembly 10 is assembled by filter cartridge 14 being inserted in receiving portion 26. Fluid provided to interior space 30 through a connection between a fluid inlet line (not shown) and filter housing 12 is introduced to filter media 34 through apertures 56. Similarly, in some embodiments, neck portion 44 can be connected for fluid communication within interior space 30 with a fluid outlet line (not shown). In such embodiments, filtered fluid can pass through filter media 34 and out of fluid assembly 10 through conduit 40 and passage 46 in neck portion 44. However, other embodiments can include an alternative fluid path.
  • sump liner 18 in some embodiments generally includes an open end 58 and a closed end 60.
  • closed end 60 of sump liner 18 generally corresponds with the overall shape of filter cup 20, though sump liner 18 is not limited to conforming with any particular shape.
  • sump liner 18 can be shaped other than as shown herein.
  • sump liner 18 is formed from or into a corrugated material.
  • sump liner 18, as can be seen particularly at open end 58 generally defines a star-like patterned shape, defining inner portions 62 and outer portions .
  • the corrugated configuration of sump liner 18 can define alternating inner and outer channels (e.g., inner and outer portions 62 and 64, respectively) and/or alternating grooves and ridges in the walls of sump liner 18.
  • the alternating inner and outer channels or grooves and ridges can be substantially parallel to one another.
  • the sump liner 18 can be formed of, or into, a non-corrugated structure, a pleated structure, or a film.
  • Inner portions 62 of sump liner 18 generally correspond to the folded sections of the corrugated material that are adjacent filter cartridge 14 when sump liner 18 is mounted in the assembled filter assembly 10.
  • Outer portions 64 of sump liner 18 generally correspond to the folded sections of the corrugated material that are adjacent the inner wall (not shown) of sump 20 upon sump liner 18 being mounted in the assembled filter assembly 10.
  • sump liner 18 is mounted in filter assembly 10 by coupling sump liner 18 with the filter cartridge 14.
  • Sump liner 18 can form a protective sheath around part or all of filter cartridge 14.
  • Sump liner 18 can be positioned to abut second filter cap 36.
  • ring gasket 16 can be mounted on sump liner 18 or otherwise cooperate to secure open end 58 of sump liner 18 over filter cartridge 14.
  • sump liner 18 can be of a substantially larger longitudinal length than filter cartridge 14, so as to leave extra or slack corrugated material which can then be folded over or otherwise manipulated to substantially surround ring gasket 16.
  • sump liner 18, and/or the portion of slack material associated with open end 58 can serve additional functions within filter assembly 10, such as affecting the rate of fluid flow therein, providing further filtration aspects or enhancing sealing characteristics and the integrity of fluid flow through filter assembly 10, and filter cartridge 14 and sump 20 in particular.
  • sump liner 18 can be mounted to an inner portion (not shown) of filter housing 12, which is further configured and operable to support filter cartridge 14 and provide for the coupling of fluid inlet and outlet lines with filter cartridge 14.
  • Ring gasket 16 can be mounted in close proximity to open end 58 of sump liner 18 for sealing fluid from passing from the fluid inlet and outlet lines to the sump 20, among other things.
  • sump liner 18 is dimensioned and configured so that inner portions 62 of sump liner 18 generally provide a tight fit or otherwise closely contact filter cartridge 14 when sump liner 18 is mounted within filter assembly 10.
  • sump liner 18 can be dimensioned and configured so that outer portions 64 generally provide a tight fit or closely conform with the inner wall (not shown) of sump 20 when the sump liner 18 is mounted within filter assembly 10.
  • Sump liner 18 can be formed of a pliant or compressible material, or can otherwise be slightly or partially deformable, particularly when mounted in filter assembly 10.
  • Sump liner 18 can be constructed of a suitable material or combination of materials, which can be corrugated or non-corrugated, porous or non-porous, such as a paper, paperboard or plastics, such as polyethylene or polypropylene, and combinations thereof.
  • sump liner 18 can be fabricated to be partially or substantially fluid impermeable.
  • sump liner 18 can be constructed of a disposable material.
  • Sump liner 18 can be used to help prevent fluid and/or filter media from being spilled out of the filter cartridge 14 when the filter cartridge 14 is being removed from the filter assembly 10.
  • Sump liner 18 and filter cartridge 14 can be removed from filter assembly 10 together, so that sump liner 18 can contain any fluid and/or filter media that spills from the filter cartridge 14.
  • sump liner 18 and filter cartridge 14 can be disposed of upon opening filter assembly 10 to replace filter cartridge 14, which can then be provided with a new filter cartridge 14 and sump liner 18.

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

Les modes de réalisation de l'invention concernent une doublure de puisard destinée à une utilisation avec un ensemble de filtre de liquide dans une installation. La doublure de puisard comprend une extrémité ouverte conçue de manière à être couplée au logement et une extrémité fermée opposée à l'extrémité ouverte. La doublure de puisard comprend un corps entre l'extrémité ouverte et l'extrémité fermée. Le corps comprend au moins une paroi ondulée. La doublure de puisard comprend une cavité de réception de cartouche formée par le corps et l'extrémité fermée. La cavité de réception de cartouche est conçue de manière à recouvrir au moins partiellement une cartouche de filtre lorsque la cartouche de filtre est insérée dans le puisard et retirée de celui-ci. La doublure de puisard empêche sensiblement le liquide de la cartouche de filtre d'entrer en contact avec le puisard.
EP08838753A 2007-10-16 2008-10-16 Ensemble de filtre et doublure de puisard Withdrawn EP2203232A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US99916007P 2007-10-16 2007-10-16
PCT/US2008/011820 WO2009051757A1 (fr) 2007-10-16 2008-10-16 Ensemble de filtre et doublure de puisard

Publications (2)

Publication Number Publication Date
EP2203232A1 true EP2203232A1 (fr) 2010-07-07
EP2203232A4 EP2203232A4 (fr) 2011-04-13

Family

ID=40567694

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08838753A Withdrawn EP2203232A4 (fr) 2007-10-16 2008-10-16 Ensemble de filtre et doublure de puisard

Country Status (4)

Country Link
EP (1) EP2203232A4 (fr)
JP (1) JP2011500316A (fr)
CN (1) CN101896243A (fr)
WO (1) WO2009051757A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2477942B (en) * 2010-02-18 2012-07-04 Icon Technology Systems Ltd Water filters
CN103068459A (zh) * 2010-08-20 2013-04-24 3M创新有限公司 较低附着力的袋式过滤系统
CN104093469B (zh) * 2011-12-08 2016-12-07 3M创新有限公司 用于袋式过滤系统的粘合力减小的压力容器
US11975279B2 (en) 2012-01-12 2024-05-07 Davco Technology, Llc Fluid filter assembly with a filter cartridge and housing interface
RU2741961C2 (ru) * 2016-02-12 2021-02-01 Дональдсон Компани, Инк. Фильтрующие элементы, воздухоочистительные узлы и способы применения и сборки

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB284680A (en) * 1927-02-03 1928-10-18 Harry Lee Mcpherson Method of forming corrugated bags of rubber or other elastic material
NL7215751A (fr) * 1971-11-22 1973-05-24
US4882051A (en) * 1986-05-26 1989-11-21 Nippon Roki Co., Ltd. Cartridge filter incorporating a bag-like body
EP0555740A1 (fr) * 1992-02-14 1993-08-18 BASF Magnetics GmbH Installation de filtrage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1796545A (en) * 1929-10-11 1931-03-17 Grindle Fuel Equipment Co Pulverizer
US3344925A (en) * 1964-08-28 1967-10-03 William A Graham Plastic liner for oil filter
US5707518A (en) * 1996-01-17 1998-01-13 White Consolidated Industries, Inc. Refrigerator water filter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB284680A (en) * 1927-02-03 1928-10-18 Harry Lee Mcpherson Method of forming corrugated bags of rubber or other elastic material
NL7215751A (fr) * 1971-11-22 1973-05-24
US4882051A (en) * 1986-05-26 1989-11-21 Nippon Roki Co., Ltd. Cartridge filter incorporating a bag-like body
EP0555740A1 (fr) * 1992-02-14 1993-08-18 BASF Magnetics GmbH Installation de filtrage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009051757A1 *

Also Published As

Publication number Publication date
EP2203232A4 (fr) 2011-04-13
JP2011500316A (ja) 2011-01-06
CN101896243A (zh) 2010-11-24
WO2009051757A1 (fr) 2009-04-23

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