GB2294648B - Filter element - Google Patents

Filter element

Info

Publication number
GB2294648B
GB2294648B GB9522418A GB9522418A GB2294648B GB 2294648 B GB2294648 B GB 2294648B GB 9522418 A GB9522418 A GB 9522418A GB 9522418 A GB9522418 A GB 9522418A GB 2294648 B GB2294648 B GB 2294648B
Authority
GB
United Kingdom
Prior art keywords
filter element
filter
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.)
Expired - Fee Related
Application number
GB9522418A
Other versions
GB9522418D0 (en
GB2294648A (en
Inventor
Christopher John Mould
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.)
BTR PLC
Original Assignee
BTR PLC
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 BTR PLC filed Critical BTR PLC
Publication of GB9522418D0 publication Critical patent/GB9522418D0/en
Publication of GB2294648A publication Critical patent/GB2294648A/en
Application granted granted Critical
Publication of GB2294648B publication Critical patent/GB2294648B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0001—Making filtering elements
    • 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
    • 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
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
    • B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2265/06—Details of supporting structures for filtering material, e.g. cores

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
GB9522418A 1994-11-02 1995-11-01 Filter element Expired - Fee Related GB2294648B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9422107A GB9422107D0 (en) 1994-11-02 1994-11-02 Filter element

Publications (3)

Publication Number Publication Date
GB9522418D0 GB9522418D0 (en) 1996-01-03
GB2294648A GB2294648A (en) 1996-05-08
GB2294648B true GB2294648B (en) 1997-02-19

Family

ID=10763785

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9422107A Pending GB9422107D0 (en) 1994-11-02 1994-11-02 Filter element
GB9522418A Expired - Fee Related GB2294648B (en) 1994-11-02 1995-11-01 Filter element

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9422107A Pending GB9422107D0 (en) 1994-11-02 1994-11-02 Filter element

Country Status (3)

Country Link
JP (1) JPH10511597A (en)
GB (2) GB9422107D0 (en)
WO (1) WO1996014133A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4566333B2 (en) * 2000-05-24 2010-10-20 日本無機株式会社 Processing method for air filter media

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1032742A (en) * 1961-10-12 1966-06-15 Ozonair Engineering Company Lt Improvements in or relating to gas filters
GB1314181A (en) * 1969-01-14 1973-04-18 Marshall D A G Filters and their manufacture
US3747772A (en) * 1971-05-21 1973-07-24 Parker Hannifin Corp Filter
EP0250801A1 (en) * 1986-06-19 1988-01-07 Allied Corporation Convoluted panel filter cartridge
US4728426A (en) * 1985-12-05 1988-03-01 Kernforschungszentrum Karlsruhe Gmbh Filter pack

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60232223A (en) * 1984-04-28 1985-11-18 Seibu Giken:Kk Filter element
DE3824622C2 (en) * 1988-07-20 1998-03-19 Peter Rapp Filter element
JP2856486B2 (en) * 1990-03-06 1999-02-10 三井化学株式会社 Honeycomb type electret filter
DE4015712A1 (en) * 1990-05-16 1991-11-21 Peter Rapp FILTER ELEMENT

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1032742A (en) * 1961-10-12 1966-06-15 Ozonair Engineering Company Lt Improvements in or relating to gas filters
GB1314181A (en) * 1969-01-14 1973-04-18 Marshall D A G Filters and their manufacture
US3747772A (en) * 1971-05-21 1973-07-24 Parker Hannifin Corp Filter
US4728426A (en) * 1985-12-05 1988-03-01 Kernforschungszentrum Karlsruhe Gmbh Filter pack
EP0250801A1 (en) * 1986-06-19 1988-01-07 Allied Corporation Convoluted panel filter cartridge

Also Published As

Publication number Publication date
GB9422107D0 (en) 1994-12-21
WO1996014133A1 (en) 1996-05-17
GB9522418D0 (en) 1996-01-03
GB2294648A (en) 1996-05-08
JPH10511597A (en) 1998-11-10

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20031101