GB8927216D0 - Improvements relating to ventilators - Google Patents

Improvements relating to ventilators

Info

Publication number
GB8927216D0
GB8927216D0 GB898927216A GB8927216A GB8927216D0 GB 8927216 D0 GB8927216 D0 GB 8927216D0 GB 898927216 A GB898927216 A GB 898927216A GB 8927216 A GB8927216 A GB 8927216A GB 8927216 D0 GB8927216 D0 GB 8927216D0
Authority
GB
United Kingdom
Prior art keywords
ventilators
improvements relating
strut
flap
sprung
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.)
Pending
Application number
GB898927216A
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.)
Colt International Ltd
Original Assignee
Colt International 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 Colt International Ltd filed Critical Colt International Ltd
Priority to GB898927216A priority Critical patent/GB8927216D0/en
Publication of GB8927216D0 publication Critical patent/GB8927216D0/en
Priority to DE69018033T priority patent/DE69018033D1/en
Priority to AT90313118T priority patent/ATE120270T1/en
Priority to EP90313118A priority patent/EP0430720B1/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • 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
    • 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
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/146—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with springs

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Catching Or Destruction (AREA)

Abstract

A sprung to open hinged flap ventilator having an opening spring (40) in the form of a linearly extendible strut the effective radius of action of which increases as the flap is moved from its closed to its fully open position, the strut being composed of a series of springs (40) of different linear spring rates. <IMAGE>
GB898927216A 1989-12-01 1989-12-01 Improvements relating to ventilators Pending GB8927216D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB898927216A GB8927216D0 (en) 1989-12-01 1989-12-01 Improvements relating to ventilators
DE69018033T DE69018033D1 (en) 1989-12-01 1990-12-03 Ventilation flap.
AT90313118T ATE120270T1 (en) 1989-12-01 1990-12-03 VENTILATION FLAP.
EP90313118A EP0430720B1 (en) 1989-12-01 1990-12-03 Improvements relating to ventilators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898927216A GB8927216D0 (en) 1989-12-01 1989-12-01 Improvements relating to ventilators

Publications (1)

Publication Number Publication Date
GB8927216D0 true GB8927216D0 (en) 1990-01-31

Family

ID=10667279

Family Applications (1)

Application Number Title Priority Date Filing Date
GB898927216A Pending GB8927216D0 (en) 1989-12-01 1989-12-01 Improvements relating to ventilators

Country Status (4)

Country Link
EP (1) EP0430720B1 (en)
AT (1) ATE120270T1 (en)
DE (1) DE69018033D1 (en)
GB (1) GB8927216D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL233456B1 (en) * 2017-09-14 2019-10-31 Fakro Pp Spolka Z Ograniczona Odpowiedzialnoscia Window with the element designed to assist raising of a casement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1423832A (en) * 1972-04-11 1976-02-04 Bloxvich Lock Stamping Telescopic stays
DE2633123A1 (en) * 1976-07-23 1978-02-02 Colt Int Ltd Roof ventilator for smoke evacuation during fire - has pneumatic cylinder to move linkage opening ventilator
FR2542360B1 (en) * 1983-03-11 1987-10-09 Alcaud Sa MOBILE HATCH DEVICE, PARTICULARLY FOR SMOKING
US4623132A (en) * 1985-02-27 1986-11-18 Fichtel & Sachs Industries, Inc. Gas spring counterbalance system
ATE84232T1 (en) * 1986-11-25 1993-01-15 Colt Int Ltd VENTILATION FLAP.

Also Published As

Publication number Publication date
DE69018033D1 (en) 1995-04-27
ATE120270T1 (en) 1995-04-15
EP0430720B1 (en) 1995-03-22
EP0430720A3 (en) 1992-09-02
EP0430720A2 (en) 1991-06-05

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