GB8316715D0 - Damper - Google Patents

Damper

Info

Publication number
GB8316715D0
GB8316715D0 GB838316715A GB8316715A GB8316715D0 GB 8316715 D0 GB8316715 D0 GB 8316715D0 GB 838316715 A GB838316715 A GB 838316715A GB 8316715 A GB8316715 A GB 8316715A GB 8316715 D0 GB8316715 D0 GB 8316715D0
Authority
GB
United Kingdom
Prior art keywords
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.)
Granted
Application number
GB838316715A
Other versions
GB2141817A (en
GB2141817B (en
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.)
WATERLOO GRILLE CO Ltd
Original Assignee
WATERLOO GRILLE CO 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 WATERLOO GRILLE CO Ltd filed Critical WATERLOO GRILLE CO Ltd
Priority to GB08316715A priority Critical patent/GB2141817B/en
Publication of GB8316715D0 publication Critical patent/GB8316715D0/en
Publication of GB2141817A publication Critical patent/GB2141817A/en
Application granted granted Critical
Publication of GB2141817B publication Critical patent/GB2141817B/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
    • F24F13/15—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
GB08316715A 1983-06-20 1983-06-20 Ventilating air flow damper Expired GB2141817B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08316715A GB2141817B (en) 1983-06-20 1983-06-20 Ventilating air flow damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08316715A GB2141817B (en) 1983-06-20 1983-06-20 Ventilating air flow damper

Publications (3)

Publication Number Publication Date
GB8316715D0 true GB8316715D0 (en) 1983-07-20
GB2141817A GB2141817A (en) 1985-01-03
GB2141817B GB2141817B (en) 1986-10-29

Family

ID=10544487

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08316715A Expired GB2141817B (en) 1983-06-20 1983-06-20 Ventilating air flow damper

Country Status (1)

Country Link
GB (1) GB2141817B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1079011A (en) * 1963-04-16 1967-08-09 Myson Heat Exchangers Improvements in or relating to ventilating systems
GB1149873A (en) * 1967-02-24 1969-04-23 Wright Favell Ltd Roof extract unit
BE716771A (en) * 1967-06-24 1968-12-02
GB1199831A (en) * 1968-04-18 1970-07-22 Matthews & Yates Ltd Improvements in Roof Ventilation Units
US3631790A (en) * 1969-09-23 1972-01-04 Specialties Const Automatic closing louver
US3759287A (en) * 1972-03-06 1973-09-18 American Air Filter Co Two way pressure relief assembly

Also Published As

Publication number Publication date
GB2141817A (en) 1985-01-03
GB2141817B (en) 1986-10-29

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years