GB2224956B - Air filtering apparatus - Google Patents

Air filtering apparatus

Info

Publication number
GB2224956B
GB2224956B GB8916452A GB8916452A GB2224956B GB 2224956 B GB2224956 B GB 2224956B GB 8916452 A GB8916452 A GB 8916452A GB 8916452 A GB8916452 A GB 8916452A GB 2224956 B GB2224956 B GB 2224956B
Authority
GB
United Kingdom
Prior art keywords
air filtering
filtering apparatus
air
filtering
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
GB8916452A
Other versions
GB8916452D0 (en
GB2224956A (en
Inventor
James A Leblanc
Reynold F Durre
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
Priority claimed from US06/832,866 external-priority patent/US4704144A/en
Application filed by Donaldson Co Inc filed Critical Donaldson Co Inc
Publication of GB8916452D0 publication Critical patent/GB8916452D0/en
Publication of GB2224956A publication Critical patent/GB2224956A/en
Application granted granted Critical
Publication of GB2224956B publication Critical patent/GB2224956B/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
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • 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
    • 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
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2267/00—Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
    • B01D2267/40—Different types of filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/30—Means for generating a circulation of a fluid in a filtration system, e.g. using a pump or a fan

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
GB8916452A 1986-02-24 1989-07-19 Air filtering apparatus Expired - Fee Related GB2224956B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/832,866 US4704144A (en) 1986-02-24 1986-02-24 Air filtering apparatus
GB8723952A GB2194464B (en) 1986-02-24 1987-02-23 Air filtering apparatus

Publications (3)

Publication Number Publication Date
GB8916452D0 GB8916452D0 (en) 1989-09-06
GB2224956A GB2224956A (en) 1990-05-23
GB2224956B true GB2224956B (en) 1990-10-31

Family

ID=26292873

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8916452A Expired - Fee Related GB2224956B (en) 1986-02-24 1989-07-19 Air filtering apparatus

Country Status (1)

Country Link
GB (1) GB2224956B (en)

Also Published As

Publication number Publication date
GB8916452D0 (en) 1989-09-06
GB2224956A (en) 1990-05-23

Similar Documents

Publication Publication Date Title
GB2194464B (en) Air filtering apparatus
GB8619000D0 (en) Filtering apparatus
GB8728833D0 (en) Air purifier-combination filter
GB2200557B (en) Ventilator apparatus
GB2187396B (en) Filtering apparatus
EP0253620A3 (en) Filter apparatus
GB8805574D0 (en) Air filtering apparatus
GB8630694D0 (en) Gas filtering apparatus
GB2198364B (en) Filter apparatus
GB8727025D0 (en) Filter apparatus
GB8504267D0 (en) Filtering apparatus
EP0373153A3 (en) Ventilator apparatus
GB8708182D0 (en) Ventilator apparatus
GB2185696B (en) Filter apparatus
GB8703165D0 (en) Air filter
GB2215218B (en) Ventilator apparatus
GB8623909D0 (en) Air filters
GB2224956B (en) Air filtering apparatus
IL78150A0 (en) Filter apparatus
GB2203668B (en) Filtering apparatus
GB8504319D0 (en) Air filtering apparatus
GB8419977D0 (en) Air filtering apparatus
GB8623848D0 (en) Air filter
IL93681A0 (en) Filter apparatus
IL79188A0 (en) Filter apparatus

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010223