GB2121531B - Dampers for ventilation ducts - Google Patents

Dampers for ventilation ducts

Info

Publication number
GB2121531B
GB2121531B GB08215445A GB8215445A GB2121531B GB 2121531 B GB2121531 B GB 2121531B GB 08215445 A GB08215445 A GB 08215445A GB 8215445 A GB8215445 A GB 8215445A GB 2121531 B GB2121531 B GB 2121531B
Authority
GB
United Kingdom
Prior art keywords
dampers
ventilation ducts
ducts
ventilation
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
Application number
GB08215445A
Other versions
GB2121531A (en
Inventor
Robert John Magill
David John Gaiger
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.)
Actionair Equipment Ltd
Original Assignee
Actionair Equipment 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 Actionair Equipment Ltd filed Critical Actionair Equipment Ltd
Priority to GB08215445A priority Critical patent/GB2121531B/en
Publication of GB2121531A publication Critical patent/GB2121531A/en
Application granted granted Critical
Publication of GB2121531B publication Critical patent/GB2121531B/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/24—Operating or controlling mechanisms
    • A62C2/241—Operating or controlling mechanisms having mechanical actuators and heat sensitive parts
    • A62C2/242—Operating or controlling mechanisms having mechanical actuators and heat sensitive parts with fusible links
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
GB08215445A 1982-05-26 1982-05-26 Dampers for ventilation ducts Expired GB2121531B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08215445A GB2121531B (en) 1982-05-26 1982-05-26 Dampers for ventilation ducts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08215445A GB2121531B (en) 1982-05-26 1982-05-26 Dampers for ventilation ducts

Publications (2)

Publication Number Publication Date
GB2121531A GB2121531A (en) 1983-12-21
GB2121531B true GB2121531B (en) 1985-11-13

Family

ID=10530662

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08215445A Expired GB2121531B (en) 1982-05-26 1982-05-26 Dampers for ventilation ducts

Country Status (1)

Country Link
GB (1) GB2121531B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2422542B (en) * 2002-08-19 2007-01-31 Kent Tooling & Components Ltd Thermally-Actuated Cartridge And Fire Damper

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB555854A (en) * 1942-05-12 1943-09-09 Richard William Allen Improvements relating to shutters for fan installations
GB708218A (en) * 1951-07-11 1954-04-28 Arthur Francis Agnew Movable flap louver windows
GB1035650A (en) * 1962-10-09 1966-07-13 Appleton Pty Ltd Nv Improved operating mechanism for adjustable louvres and like apparatus having parallel oppositely movable actuating bars
GB1073459A (en) * 1965-02-16 1967-06-28 Johnson Service Co Mutiple blade dampers
GB2045610B (en) * 1979-01-26 1983-08-03 Actionair Equip Damper blade operating mechanism

Also Published As

Publication number Publication date
GB2121531A (en) 1983-12-21

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Legal Events

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

Effective date: 19950526