GB2291474B - Fire proofed housings for extractor fans - Google Patents

Fire proofed housings for extractor fans

Info

Publication number
GB2291474B
GB2291474B GB9414433A GB9414433A GB2291474B GB 2291474 B GB2291474 B GB 2291474B GB 9414433 A GB9414433 A GB 9414433A GB 9414433 A GB9414433 A GB 9414433A GB 2291474 B GB2291474 B GB 2291474B
Authority
GB
United Kingdom
Prior art keywords
housings
fire proofed
extractor fans
extractor
fans
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
GB9414433A
Other versions
GB9414433D0 (en
GB2291474A (en
Inventor
Derek Alfred Ward
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.)
Environmental Seals Ltd
Original Assignee
Environmental Seals Ltd
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 Environmental Seals Ltd filed Critical Environmental Seals Ltd
Priority to GB9414433A priority Critical patent/GB2291474B/en
Publication of GB9414433D0 publication Critical patent/GB9414433D0/en
Priority to AU25341/95A priority patent/AU2534195A/en
Priority to PCT/GB1995/001193 priority patent/WO1996002762A1/en
Publication of GB2291474A publication Critical patent/GB2291474A/en
Application granted granted Critical
Publication of GB2291474B publication Critical patent/GB2291474B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/065—Physical fire-barriers having as the main closure device materials, whose characteristics undergo an irreversible change under high temperatures, e.g. intumescent
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
    • F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Special Wing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB9414433A 1994-07-16 1994-07-16 Fire proofed housings for extractor fans Expired - Fee Related GB2291474B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9414433A GB2291474B (en) 1994-07-16 1994-07-16 Fire proofed housings for extractor fans
AU25341/95A AU2534195A (en) 1994-07-16 1995-05-25 Fire proofed housings for extractor fans
PCT/GB1995/001193 WO1996002762A1 (en) 1994-07-16 1995-05-25 Fire proofed housings for extractor fans

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9414433A GB2291474B (en) 1994-07-16 1994-07-16 Fire proofed housings for extractor fans

Publications (3)

Publication Number Publication Date
GB9414433D0 GB9414433D0 (en) 1994-09-07
GB2291474A GB2291474A (en) 1996-01-24
GB2291474B true GB2291474B (en) 1997-12-17

Family

ID=10758484

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9414433A Expired - Fee Related GB2291474B (en) 1994-07-16 1994-07-16 Fire proofed housings for extractor fans

Country Status (3)

Country Link
AU (1) AU2534195A (en)
GB (1) GB2291474B (en)
WO (1) WO1996002762A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2361868B (en) * 2000-05-04 2003-07-02 Environmental Seals Ltd Ventilator grills
CN108757528B (en) * 2018-05-04 2024-05-10 无锡康泰电子有限公司 Intelligent ventilating fan
CN113464477B (en) * 2021-08-17 2023-09-08 浙江浙柯风机有限公司 Axial flow fan with hood

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1532410A (en) * 1974-12-14 1978-11-15 Dufaylite Dev Ltd Intumescent fire barriers
GB2097046A (en) * 1981-04-16 1982-10-27 Mann Mcgowan Fabrications Ltd Fire-resistant grilles

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT313068B (en) * 1970-06-20 1974-01-25 Trox Ges Mit Beschraenkter Geb Locking device for fire compartments in ventilation and air conditioning systems
GB1429203A (en) * 1973-10-22 1976-03-24 Temperature Ltd Air conditioning
US4328139A (en) * 1980-10-27 1982-05-04 E. I. Du Pont De Nemours And Company Flame retardant filled polypropylene compositions containing carbon black and a cured intumescent flame retardant (IFR)
GB2202041B (en) * 1987-01-22 1991-01-16 Gradwood Limited Ventilation units

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1532410A (en) * 1974-12-14 1978-11-15 Dufaylite Dev Ltd Intumescent fire barriers
GB2097046A (en) * 1981-04-16 1982-10-27 Mann Mcgowan Fabrications Ltd Fire-resistant grilles

Also Published As

Publication number Publication date
WO1996002762A1 (en) 1996-02-01
GB9414433D0 (en) 1994-09-07
AU2534195A (en) 1996-02-16
GB2291474A (en) 1996-01-24

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Legal Events

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

Effective date: 20070716