CA3023824C - Filter media, elements, and methods - Google Patents

Filter media, elements, and methods Download PDF

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Publication number
CA3023824C
CA3023824C CA3023824A CA3023824A CA3023824C CA 3023824 C CA3023824 C CA 3023824C CA 3023824 A CA3023824 A CA 3023824A CA 3023824 A CA3023824 A CA 3023824A CA 3023824 C CA3023824 C CA 3023824C
Authority
CA
Canada
Prior art keywords
filter
layer
filter medium
fibers
efficiency
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.)
Active
Application number
CA3023824A
Other languages
English (en)
French (fr)
Other versions
CA3023824A1 (en
Inventor
Qiong Gao
Richard Patrick Dejong
Gregory S. Tronnes
Giancarlo M. Izzi
Jason A. Tiffany
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.)
Donaldson Co Inc
Original Assignee
Donaldson Co Inc
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 Donaldson Co Inc filed Critical Donaldson Co Inc
Publication of CA3023824A1 publication Critical patent/CA3023824A1/en
Application granted granted Critical
Publication of CA3023824C publication Critical patent/CA3023824C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
    • 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
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/025—Types of fibres, filaments or particles, self-supporting or supported materials comprising nanofibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/0604—Arrangement of the fibres in the filtering material
    • B01D2239/0622—Melt-blown
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0654—Support layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0668—The layers being joined by heat or melt-bonding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0681—The layers being joined by gluing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1233—Fibre diameter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1258—Permeability
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1266—Solidity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1275—Stiffness

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Filtering Materials (AREA)
  • Nonwoven Fabrics (AREA)
  • Glass Compositions (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
CA3023824A 2016-05-13 2017-05-05 Filter media, elements, and methods Active CA3023824C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662336433P 2016-05-13 2016-05-13
US62/336,433 2016-05-13
US201662351401P 2016-06-17 2016-06-17
US62/351,401 2016-06-17
PCT/US2017/031222 WO2017196653A1 (en) 2016-05-13 2017-05-05 Filter media, elements, and methods

Publications (2)

Publication Number Publication Date
CA3023824A1 CA3023824A1 (en) 2017-11-16
CA3023824C true CA3023824C (en) 2024-02-13

Family

ID=58745369

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3023824A Active CA3023824C (en) 2016-05-13 2017-05-05 Filter media, elements, and methods

Country Status (13)

Country Link
US (4) US11161070B2 (enExample)
EP (2) EP3854469A1 (enExample)
JP (2) JP7313152B2 (enExample)
KR (2) KR102618766B1 (enExample)
CN (2) CN109562311B (enExample)
AU (1) AU2017262577B2 (enExample)
BR (1) BR112018073436B1 (enExample)
CA (1) CA3023824C (enExample)
MX (2) MX2018013755A (enExample)
RU (1) RU2737910C2 (enExample)
SA (1) SA518400427B1 (enExample)
WO (1) WO2017196653A1 (enExample)
ZA (1) ZA201808230B (enExample)

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CN116194187A (zh) 2020-04-02 2023-05-30 唐纳森公司 过滤介质、复合材料以及使用该过滤介质的面罩系统
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Also Published As

Publication number Publication date
RU2018141964A3 (enExample) 2020-06-16
JP7591013B2 (ja) 2024-11-27
WO2017196653A1 (en) 2017-11-16
JP2022188110A (ja) 2022-12-20
US20190255473A1 (en) 2019-08-22
US11161070B2 (en) 2021-11-02
AU2017262577B2 (en) 2021-05-13
US20250153079A1 (en) 2025-05-15
US20240139662A1 (en) 2024-05-02
MX2018013755A (es) 2019-03-28
JP2019516545A (ja) 2019-06-20
EP3854469A1 (en) 2021-07-28
SA518400427B1 (ar) 2022-11-14
CN109562311A (zh) 2019-04-02
AU2017262577A1 (en) 2018-11-29
US11845027B2 (en) 2023-12-19
MX2022013881A (es) 2023-02-01
JP7313152B2 (ja) 2023-07-24
BR112018073436B1 (pt) 2022-10-04
KR20190008276A (ko) 2019-01-23
RU2737910C2 (ru) 2020-12-04
CN113577910B (zh) 2026-06-23
RU2018141964A (ru) 2020-06-15
EP3454967B1 (en) 2021-04-07
KR102618766B1 (ko) 2023-12-28
ZA201808230B (en) 2019-08-28
BR112018073436A2 (pt) 2019-03-26
CA3023824A1 (en) 2017-11-16
US20220118387A1 (en) 2022-04-21
CN113577910A (zh) 2021-11-02
US12233367B2 (en) 2025-02-25
EP3454967A1 (en) 2019-03-20
CN109562311B (zh) 2021-07-16
KR20240005169A (ko) 2024-01-11

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