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WO1988003431A1 - Appareil de filtrage de liquides - Google Patents

Appareil de filtrage de liquides Download PDF

Info

Publication number
WO1988003431A1
WO1988003431A1 PCT/US1987/002842 US8702842W WO8803431A1 WO 1988003431 A1 WO1988003431 A1 WO 1988003431A1 US 8702842 W US8702842 W US 8702842W WO 8803431 A1 WO8803431 A1 WO 8803431A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
liquid
flow channels
radial
open
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.)
Ceased
Application number
PCT/US1987/002842
Other languages
English (en)
Inventor
Evan A. Edwards
Richard Mayo
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of WO1988003431A1 publication Critical patent/WO1988003431A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
    • B01D25/22—Cell-type filters
    • B01D25/24—Cell-type roll filters

Definitions

  • This invention relates to a disposable liquid filter supported by an open mounting holder allowing simple replacement of the filter.
  • liquid filters are installed by the user in a steel housing which is a part of the filter and of the liquid path through it.
  • a prior art housing typically has inlet and outlet pipe connections and is itself a pres ⁇ sure vessel with a heavy cover clamped in place to make the unit leak proof and to safely contain the liquid pressure.
  • the liquid pres- sure does not exceed 75 psi, it may be more convenient and less expensive to have a disposable filter unit in- its own plastic housing adapted for direct hose connection ' s at inlet and outlet.
  • Keenan discloses a filter assembly including a tie rod mounting holder and filter unit, the filter unit being removable from the holder by loosening the tie rods.
  • Pages discloses a filter assembly, also held together by tie rods, and including a filter element having a plurality of axial fluid channels. These channels in Pages are open at both ends for a continuous fluid flow in series from one to another.
  • Wozniak et al. discloses a filter assembly having radial flow channels in one of its end caps.
  • the present invention may be summarized as a liquid filter apparatus, for connection to inlet and outlet liquid lines, and including a mounting holder and a removable disposable filter unit mounted in the holder.
  • the disposable filter unit includes bottom and top end caps, with a core tube plugged at both ends and a concen ⁇ tric outer tube sealed to and extending between the end caps.
  • the top and bottom end caps and the outer tube are made of a plastic material for economy and disposability.
  • a filter element between the core tube and the outer tube stands on radial ribs extending upward from the bottom end cap and is spaced from the top end cap by similar radial ribs extending downward from the top end cap, these ribs . creating radial flow channels above and below the filter element.
  • the filter element is a wound spiral of a sandwich including a flat filter sheet material and a corrugated impermeable polymeric separator sheet, forming a plurality of axial flow channels. Some of these axial flow channels are open at the top to receive liquid from the top radial flow channel and closed at the bottom, and some of the axial flow channels are closed at the top and open at the bottom to discharge liquid into the bottom radial flow channel. Filter action is by radial flow, through the filter material, from the open-top ' channels to the open- bottom channels.
  • the mounting holder includes upper and lower mounting plates and tie rods between them to releas- ably hold the filter unit together and to permit easy removal and replacement of the filter unit. The mounting plates and tie rods give strength to the filter unit., preventing liquid pressure from blowing off the end caps. Means are provided to verit y air from the filter unit. BRIEF DESCRIPTION OF THE DRAWINGS
  • Figure 1 is a sectional elevation view of the filter and mounting holder of this invention.
  • Figure 2 is a top vie of the upper mounting holder of FIG. 1.
  • Figure 3 is a partial front view of the mounting holder of FIG. 2.
  • FIG. 4 is a schematic top view, somewhat ' enlarged, of a filter element according to this invention.
  • Figure 5 is a still further enlarged schematic detail of FIG. 4.
  • Figure 6 is a bottom view of the top end cap.
  • Figure 7 is a top view of the bottom end cap.
  • Mounting holder 2 includes an upper mounting plate 4 fastened to a stationary support means such as flanged brackets exemplified at 6, and a similar lower mounting plate 8 which hangs from upper plate 4 on four tie rods 10.
  • Tie rods 10 include wing nuts 12 at their tops by which the assembly is tightened for normal operation and loosened for removal and replacement of the filter 20.
  • Each of the mounting plates is somewhat “C” shaped, having an open aperture 14 facing forward of the apparatus (see also FIG. 2) .
  • a pair of upper channel beam ' s or cross bars 16 extend across the top of upper plate 4, ' one extending -between the two tie rods 10 at the rear and one extending between the two tie rods 10 at the front.
  • a pair of lower channel beams or cross bars 18 extend across the bottom of lower plate 8, one extending between the two tie rods 10 at the rear and one extending between the two tie rods 10 at the front.
  • Cross bars 16 and 18 bear on their respective upper and lower mounting plates by means of the tie rods 10 and wing nuts 12 pro ⁇ viding longitudinal strength to the mounting plates.
  • Cross bars 16 and 18 in the front of the unit are mounted for rotation on one of the front tie rods so they can be swung open when the wing nuts are loosened to permit placement and removal of the filter 20.
  • the upper front cross bar 16 includes depending heel piece 17 to fill the space of the open aperture 14 when the mounting holder is closed.
  • a similar heel piece, not shown, is mounted atop the lower front cross bar 18 for the same purpose. This makes the mounting plate-heel combination flush at top and bottom.
  • the end surfaces of the top and bottom end caps are substantially in total contact with the flush mounting plate-heel combination at top and bottom. This prevents distortion of the filter and the consequent breaking of seals when hydraulic pressure is applied.
  • the filter 20 is an integral unit which fits into the mounting holder 2 and is laterally removable from it.
  • Filter 20 includes a bottom end cap 22 (see also FIG. 7) having a central outlet port ⁇ r 0UT" which is adapted, as for example by pipe threads, for connection to an outlet liquid line.
  • a similar top end cap 26 includes a central inlet port • ⁇ IN" which is also adapted, as for example by pipe threads, for connection to an inlet liquid line.
  • Bottom end cap 22 includes a plurality of upstanding radial ribs 23 creating a plurality of radial outlet flow channels 24 " and supporting the filter element 40.
  • Top end cap 26 includes a plurality of depending radial ribs 27 creating a plurality of radial inlet flow channels 28 over the filter element 40.
  • An outer cylindrical tube 30 fits * within peripheral flange 32 in the bottom end cap 22 and peripheral flange 34 in the top end cap 26. These connections between outer tube 30 and the bottom and top end caps 22 and 26 are sealed with a sealant such as an electro-magnetically actuated polypropylene adhesive sealer or similar suitable sealing composition so that the filter unit is liquid-tight.
  • the end caps and the outer tube are all of a plastic material such as polypropylene for economy and disposability.
  • a normally closed vent passage 29 is provided in the top end cap 26 to remove air or gases from the system as necessary.
  • the sealing engagement of the bottom end cap 22 with the outer tube 30, and the sealing engagement of the top end cap 26 with the outer tube 30, are all represented by deposits 50 of sealant at the respective locations of connection.
  • a filter element 40 (see also FIG. 4) is a spiral wound roll of a sandwich including a flat filter sheet material 43, interleaved with a corrugated polymeric separator sheet 41 resting on the tops of upstanding*ribs 23 of the bottom end cap.
  • the corrugations of the filter element provide spacing between successive layers of the wound roll, which spaces are axial flow channels for the liquid passing through the filter.
  • Alternate axial flow channels 42 are blanked off at the bottom, while successive alternate axial flow channels 44 are blanked off at the top so that fluid enters at the top of the open-top channels 42 and leaves at the bottom of the open-bottom channels 44.
  • Filter action is by way of radial flow, through the filter material 43, from the open-top channels 42 to the open- bottom channels 44 as indicated in FIG. 5.
  • the filter element 40 is formed around a core tube 46 which is sealed at its ends by plugs 48. This gives structural support to the filter element and prevents straight axial flow through its center from inlet to outlet.
  • the blanking of the ends of the flow channels is formed by a hot melt plastic.
  • the-fluid system is shut down and disconnected at the inlet and outlet connections. Then the mounting holder 2.is opened by loosening the wing nuts and tie rods and the front cross bars are swung out* of the way. The filter unit 20 is then simply pulled forward out of the holder. A replacement filter unit 20 is then inserted, clamped in place, and connected to the liquid inlet and outlet lines.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

Un appareil de filtrage de liquides destiné à être connecté à des conduits d'admission et de décharge de liquide comprend un support de montage (2) et un filtre amovible agencé à l'intérieur du support. L'unité de filtrage (20) comprend des couvercles (22, 26) à ses extrémités supérieure et inférieure, un tuyau central (46) et un tuyau extérieur concentrique (30) qui s'étendent entre les couvercles (22, 26) des extrémités. Un élément de filtrage (40) entre le tuyau central (46) et le tuyau extérieur repose sur des nervures radiales (23) qui s'étendent verticalement depuis le couvercle (22) de l'extrémité inférieure et est écarté du couvercle de l'extrémité supérieure par des nervures radiales similaires (23) qui s'étendent de haut en bas depuis le couvercle (26) de l'extrémité supérieure, ces nervures créant des canaux radiaux d'écoulement au-dessus et au-dessous de l'élément de filtrage (40). L'élément de filtrage (40) est une spirale enroulée en matériaux de filtrage (43) et de séparation (41) qui forment une pluralité de canaux axiaux d'écoulement (42, 44). Certains de ces canaux axiaux d'écoulement (42, 44) sont ouverts en haut afin de recevoir du liquide du canal radial supérieur d'écoulement et fermés en bas, d'autres (42, 44) sont fermés en haut et ouverts en bas afin de décharger du liquide dans le canal radial inférieur d'écoulement. Le filtrage se fait par écoulement radial à travers le matériau de filtrage (43) depuis les canaux ouverts en haut (42) jusqu'aux canaux ouverts en bas (44). Le support (2) comprend des plateaux de fixation (4, 8) supérieur et inférieur et des tirants (10) agencés entre ceux-ci afin de maintenir assemblée l'unité de façon libérable et de permettre d'enlever et de remplacer le filtre. Un dispositif (29) sert à purger l'air du système.
PCT/US1987/002842 1986-11-04 1987-10-29 Appareil de filtrage de liquides Ceased WO1988003431A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US92661586A 1986-11-04 1986-11-04
US926,615 1986-11-04

Publications (1)

Publication Number Publication Date
WO1988003431A1 true WO1988003431A1 (fr) 1988-05-19

Family

ID=25453454

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1987/002842 Ceased WO1988003431A1 (fr) 1986-11-04 1987-10-29 Appareil de filtrage de liquides

Country Status (2)

Country Link
AU (1) AU8326087A (fr)
WO (1) WO1988003431A1 (fr)

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0581695A1 (fr) * 1992-07-27 1994-02-02 Eastman Kodak Company Assemblage de filtres renfermant l'unité de filtrage à bouchons scellants déformables
EP0401329B1 (fr) * 1988-12-14 1994-07-27 TRABOLD, Hermann Filtre a huile pour moteurs a combustion interne
WO1997040910A1 (fr) * 1996-04-26 1997-11-06 Donaldson Company, Inc. Dispositif de filtrage a media filtrant ondule et enroule
WO1997040919A1 (fr) * 1996-04-26 1997-11-06 Donaldson Company, Inc. Filtre pour conduit a moyen de filtrage incline dans le sens principal du flux
US6179890B1 (en) 1999-02-26 2001-01-30 Donaldson Company, Inc. Air cleaner having sealing arrangement between media arrangement and housing
DE10003993A1 (de) * 2000-01-29 2001-08-23 Bosch Gmbh Robert Filtereinsatz für ein Flüssigkeitsfilter
US6669913B1 (en) 2000-03-09 2003-12-30 Fleetguard, Inc. Combination catalytic converter and filter
US6776814B2 (en) 2000-03-09 2004-08-17 Fleetguard, Inc. Dual section exhaust aftertreatment filter and method
US7052532B1 (en) 2000-03-09 2006-05-30 3M Innovative Properties Company High temperature nanofilter, system and method
US7211226B2 (en) 2000-03-09 2007-05-01 Fleetgaurd, Inc. Catalyst and filter combination
US7303604B2 (en) 1999-02-26 2007-12-04 Donaldson Company, Inc. Filter arrangement; sealing system; and methods
US7396376B2 (en) 2003-12-22 2008-07-08 Donaldson Company, Inc. Seal arrangement for filter element; filter element assembly; and, methods
US7396375B2 (en) 2002-05-09 2008-07-08 Donaldson Company, Inc. Air filter having fluted filter media
WO2008125475A1 (fr) * 2007-04-11 2008-10-23 Mann+Hummel Gmbh Filtre à air d'admission
US8840699B2 (en) 2005-10-11 2014-09-23 Donaldson Company, Inc. Air filter arrangement; assembly; and, methods
US8945268B2 (en) 2005-11-09 2015-02-03 Donaldson Company, Inc. Seal arrangement for filter element; filter element assembly; and, methods
US9089807B2 (en) 1999-02-26 2015-07-28 Donaldson Company, Inc. Filter arrangement; sealing system; and methods
US9283507B2 (en) 2004-04-30 2016-03-15 Donaldson Company, Inc. Filter arrangements; housings; assemblies; and, methods
US9555370B2 (en) 2007-09-07 2017-01-31 Donaldson Company, Inc. Air filter assembly; components thereof; and, methods
US20210060559A1 (en) * 2019-09-03 2021-03-04 Imagine Tf, Llc Rolled film with structures for fluid separation
US11679352B2 (en) 2004-04-30 2023-06-20 Donaldson Company, Inc. Filter arrangements; housings; assemblies; and, methods

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1050918A (fr) * 1951-02-15 1954-01-12 Bosch Gmbh Robert Filtre pour liquides
GB919898A (en) * 1960-07-25 1963-02-27 Parmatic Inc Filter unit and filter cartridge therefor
US3529726A (en) * 1969-09-15 1970-09-22 Gordon J Keenan Portable water filter unit
FR2148726A5 (en) * 1971-07-30 1973-03-23 Herfilco Cylindrical filter element - with spaced,coaxial spirals of filter material,esp for air cleaners
US4310419A (en) * 1980-03-19 1982-01-12 Nippon Soken, Inc. Filter element for liquid straining filter
WO1983001582A1 (fr) * 1981-11-02 1983-05-11 Donaldson Co Inc Dispositif de filtration de fluides

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1050918A (fr) * 1951-02-15 1954-01-12 Bosch Gmbh Robert Filtre pour liquides
GB919898A (en) * 1960-07-25 1963-02-27 Parmatic Inc Filter unit and filter cartridge therefor
US3529726A (en) * 1969-09-15 1970-09-22 Gordon J Keenan Portable water filter unit
FR2148726A5 (en) * 1971-07-30 1973-03-23 Herfilco Cylindrical filter element - with spaced,coaxial spirals of filter material,esp for air cleaners
US4310419A (en) * 1980-03-19 1982-01-12 Nippon Soken, Inc. Filter element for liquid straining filter
WO1983001582A1 (fr) * 1981-11-02 1983-05-11 Donaldson Co Inc Dispositif de filtration de fluides

Cited By (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0401329B1 (fr) * 1988-12-14 1994-07-27 TRABOLD, Hermann Filtre a huile pour moteurs a combustion interne
EP0581695A1 (fr) * 1992-07-27 1994-02-02 Eastman Kodak Company Assemblage de filtres renfermant l'unité de filtrage à bouchons scellants déformables
WO1997040910A1 (fr) * 1996-04-26 1997-11-06 Donaldson Company, Inc. Dispositif de filtrage a media filtrant ondule et enroule
WO1997040919A1 (fr) * 1996-04-26 1997-11-06 Donaldson Company, Inc. Filtre pour conduit a moyen de filtrage incline dans le sens principal du flux
US5772883A (en) * 1996-04-26 1998-06-30 Donaldson Company, Inc. Slanted inline filter
US5895574A (en) * 1996-04-26 1999-04-20 Donaldson Company, Inc. Rolled liquid filter using fluted media
US7303604B2 (en) 1999-02-26 2007-12-04 Donaldson Company, Inc. Filter arrangement; sealing system; and methods
US6179890B1 (en) 1999-02-26 2001-01-30 Donaldson Company, Inc. Air cleaner having sealing arrangement between media arrangement and housing
US9089807B2 (en) 1999-02-26 2015-07-28 Donaldson Company, Inc. Filter arrangement; sealing system; and methods
US9707503B2 (en) 1999-02-26 2017-07-18 Donaldson Company, Inc. Filter arrangement; sealing system; and methods
DE10003993A1 (de) * 2000-01-29 2001-08-23 Bosch Gmbh Robert Filtereinsatz für ein Flüssigkeitsfilter
US6669913B1 (en) 2000-03-09 2003-12-30 Fleetguard, Inc. Combination catalytic converter and filter
US7235124B2 (en) 2000-03-09 2007-06-26 3M Innovative Properties Company High temperature nanofilter, system and method
US7211226B2 (en) 2000-03-09 2007-05-01 Fleetgaurd, Inc. Catalyst and filter combination
US7052532B1 (en) 2000-03-09 2006-05-30 3M Innovative Properties Company High temperature nanofilter, system and method
US6776814B2 (en) 2000-03-09 2004-08-17 Fleetguard, Inc. Dual section exhaust aftertreatment filter and method
US10556202B2 (en) 2002-05-09 2020-02-11 Donaldson Company, Inc. Air filter having fluted filter media
US7396375B2 (en) 2002-05-09 2008-07-08 Donaldson Company, Inc. Air filter having fluted filter media
US11185810B2 (en) 2002-05-09 2021-11-30 Donaldson Company, Inc. Air filter having fluted filter media
US9162172B2 (en) 2002-05-09 2015-10-20 Donaldson Company, Inc. Air filter having fluted filter media
US9782713B2 (en) 2002-05-09 2017-10-10 Donaldson Company, Inc. Air filter having fluted filter media
US7635403B2 (en) 2002-05-09 2009-12-22 Donaldson Company, Inc. Air filter having fluted filter media
US8685128B2 (en) 2003-12-22 2014-04-01 Donaldson Company, Inc. Seal, arrangement for filter element; filter element assembly; and, methods
US10279303B2 (en) 2003-12-22 2019-05-07 Donaldson Company, Inc. Seal arrangement for filter element; filter element assembly; and, methods
US11123676B2 (en) 2003-12-22 2021-09-21 Donaldson Company, Inc. Seal arrangement for filter element; filter element assembly; and, methods
US9457310B2 (en) 2003-12-22 2016-10-04 Donaldson Company, Inc. Seal arrangement for filter element; filter element assembly; and, methods
US7396376B2 (en) 2003-12-22 2008-07-08 Donaldson Company, Inc. Seal arrangement for filter element; filter element assembly; and, methods
US9283507B2 (en) 2004-04-30 2016-03-15 Donaldson Company, Inc. Filter arrangements; housings; assemblies; and, methods
US11123673B2 (en) 2004-04-30 2021-09-21 Donaldson Company, Inc. Filter arrangements; housings; assemblies; and, methods
US10343101B2 (en) 2004-04-30 2019-07-09 Donaldson Company, Inc. Filter arrangements; housings; assemblies; and, methods
US10252206B2 (en) 2004-04-30 2019-04-09 Donaldson Company, Inc. Filter arrangements; housings; assemblies; and, methods
US11679352B2 (en) 2004-04-30 2023-06-20 Donaldson Company, Inc. Filter arrangements; housings; assemblies; and, methods
US9399972B2 (en) 2005-10-11 2016-07-26 Donaldson Company, Inc. Air filter arrangement; assembly; and, methods
US11173442B2 (en) 2005-10-11 2021-11-16 Donaldson Company, Inc. Air filter arrangement; assembly; and, methods
US10427083B2 (en) 2005-10-11 2019-10-01 Donaldson Company, Inc. Air filter arrangement; assembly; and methods
US12109526B2 (en) 2005-10-11 2024-10-08 Donaldson Company, Inc. Air filter arrangement; assembly; and, methods
US11786857B2 (en) 2005-10-11 2023-10-17 Donaldson Company, Inc. Air filter arrangement; assembly; and, methods
US8840699B2 (en) 2005-10-11 2014-09-23 Donaldson Company, Inc. Air filter arrangement; assembly; and, methods
US9718021B2 (en) 2005-11-09 2017-08-01 Donaldson Company, Inc. Seal arrangement for filter element; filter element assembly; and, methods
US11117085B2 (en) 2005-11-09 2021-09-14 Donaldson Company, Inc. Seal arrangement for filter element; filter element assembly; and, methods
US8945268B2 (en) 2005-11-09 2015-02-03 Donaldson Company, Inc. Seal arrangement for filter element; filter element assembly; and, methods
US10507423B2 (en) 2005-11-09 2019-12-17 Donaldson Company, Inc. Seal arrangement for filter element; filter element assembly; and, methods
WO2008125475A1 (fr) * 2007-04-11 2008-10-23 Mann+Hummel Gmbh Filtre à air d'admission
US9555370B2 (en) 2007-09-07 2017-01-31 Donaldson Company, Inc. Air filter assembly; components thereof; and, methods
US10422306B2 (en) 2007-09-07 2019-09-24 Donaldson Company, Inc. Air filter assembly; components thereof; and, methods
WO2021045963A1 (fr) * 2019-09-03 2021-03-11 Imagine Tf, Llc Film laminé ayant des structures pour la séparation de fluide
US20210060559A1 (en) * 2019-09-03 2021-03-04 Imagine Tf, Llc Rolled film with structures for fluid separation
US11691149B2 (en) * 2019-09-03 2023-07-04 Imagine Tf, Llc Rolled film with structures for fluid separation

Also Published As

Publication number Publication date
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