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CA1016004A - Backdraft damper - Google Patents

Backdraft damper

Info

Publication number
CA1016004A
CA1016004A CA226,065A CA226065A CA1016004A CA 1016004 A CA1016004 A CA 1016004A CA 226065 A CA226065 A CA 226065A CA 1016004 A CA1016004 A CA 1016004A
Authority
CA
Canada
Prior art keywords
backdraft damper
backdraft
damper
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
CA226,065A
Inventor
Francis J. Mccabe
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
Priority claimed from US47706874 external-priority patent/US3908529A/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1016004A publication Critical patent/CA1016004A/en
Expired 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
    • F24F13/1486—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 bearings, pivots or hinges
    • 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
    • F24F13/1406—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 sealing means

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)
  • Lift Valve (AREA)
CA226,065A 1974-06-05 1975-05-01 Backdraft damper Expired CA1016004A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47706874 US3908529A (en) 1973-04-26 1974-06-05 Backdraft damper

Publications (1)

Publication Number Publication Date
CA1016004A true CA1016004A (en) 1977-08-23

Family

ID=23894392

Family Applications (1)

Application Number Title Priority Date Filing Date
CA226,065A Expired CA1016004A (en) 1974-06-05 1975-05-01 Backdraft damper

Country Status (4)

Country Link
JP (2) JPS517525A (en)
CA (1) CA1016004A (en)
DE (1) DE2524293A1 (en)
GB (1) GB1501496A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53112012A (en) * 1977-03-11 1978-09-30 Torio Kk Receiver
GB2117041A (en) * 1982-03-13 1983-10-05 Gordon Joseph Bennett Hinge assembly
GB2129048B (en) * 1982-10-20 1985-11-13 Panarama Sunroofs Ltd Hinge mechanism for vehicle sun roofs

Also Published As

Publication number Publication date
JPS517525A (en) 1976-01-21
JPS5947161U (en) 1984-03-29
GB1501496A (en) 1978-02-15
DE2524293A1 (en) 1975-12-18
JPS5930277Y2 (en) 1984-08-29

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