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GB2272049B - Back-draught shutter - Google Patents

Back-draught shutter

Info

Publication number
GB2272049B
GB2272049B GB9222978A GB9222978A GB2272049B GB 2272049 B GB2272049 B GB 2272049B GB 9222978 A GB9222978 A GB 9222978A GB 9222978 A GB9222978 A GB 9222978A GB 2272049 B GB2272049 B GB 2272049B
Authority
GB
United Kingdom
Prior art keywords
draught
shutter
draught shutter
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
GB9222978A
Other versions
GB9222978D0 (en
GB2272049A (en
Inventor
John Francis Watson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9222978A priority Critical patent/GB2272049B/en
Publication of GB9222978D0 publication Critical patent/GB9222978D0/en
Publication of GB2272049A publication Critical patent/GB2272049A/en
Application granted granted Critical
Publication of GB2272049B publication Critical patent/GB2272049B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • 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
    • F24F2013/1473—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 cams or levers

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)
GB9222978A 1992-11-03 1992-11-03 Back-draught shutter Expired - Fee Related GB2272049B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9222978A GB2272049B (en) 1992-11-03 1992-11-03 Back-draught shutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9222978A GB2272049B (en) 1992-11-03 1992-11-03 Back-draught shutter

Publications (3)

Publication Number Publication Date
GB9222978D0 GB9222978D0 (en) 1992-12-16
GB2272049A GB2272049A (en) 1994-05-04
GB2272049B true GB2272049B (en) 1996-04-24

Family

ID=10724431

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9222978A Expired - Fee Related GB2272049B (en) 1992-11-03 1992-11-03 Back-draught shutter

Country Status (1)

Country Link
GB (1) GB2272049B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4430704A1 (en) * 1994-08-30 1996-03-07 Kulmbacher Klimageraete Microprocessor-based regulator for room or building air ventilation control
DE19752019A1 (en) * 1997-11-24 1999-05-27 Andreas Geisl Ventilator fitted into door or window region of building wall
ITBS20090080A1 (en) * 2009-05-05 2010-11-06 Simone Costanzo APPARATUS FOR AIR TREATMENT OF AN ENVIRONMENT
CN102162662B (en) * 2011-03-14 2013-03-27 深圳市中兴新地通信器材有限公司 Dual-slideway automatic dedusting intelligent ventilation system

Also Published As

Publication number Publication date
GB9222978D0 (en) 1992-12-16
GB2272049A (en) 1994-05-04

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Legal Events

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

Effective date: 20011103