GB1375186A - - Google Patents

Info

Publication number
GB1375186A
GB1375186A GB3245871A GB3245871A GB1375186A GB 1375186 A GB1375186 A GB 1375186A GB 3245871 A GB3245871 A GB 3245871A GB 3245871 A GB3245871 A GB 3245871A GB 1375186 A GB1375186 A GB 1375186A
Authority
GB
United Kingdom
Prior art keywords
spindle
spindles
july
bearings
blades
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
GB3245871A
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 filed Critical
Priority to GB3245871A priority Critical patent/GB1375186A/en
Publication of GB1375186A publication Critical patent/GB1375186A/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

Abstract

1375186 Ventilators SERCK INDUSTRIES Ltd 10 July 1972 [9 July 1971] 32458/71 Heading F4V A damper comprises a number of coacting blades each mounted on a driving spindle 13 at one end and an idler spindle at the other so as to be rotatable to open and close the damper. Each spindle 13 is formed with diametrically opposite axial grooves, joined by a groove across the end. The blades 12 have rectangular cut-outs fitting with the grooves. The spindles 13 have bearings 29 and are coupled by levers 15 to a common actuating rod 16 operated by an electric motor. The spindles and bearings may be of plastics material.
GB3245871A 1972-07-10 1972-07-10 Expired GB1375186A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3245871A GB1375186A (en) 1972-07-10 1972-07-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3245871A GB1375186A (en) 1972-07-10 1972-07-10

Publications (1)

Publication Number Publication Date
GB1375186A true GB1375186A (en) 1974-11-27

Family

ID=10338912

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3245871A Expired GB1375186A (en) 1972-07-10 1972-07-10

Country Status (1)

Country Link
GB (1) GB1375186A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325411A (en) * 1979-10-12 1982-04-20 Grovag Grossventiltechnik A.G. Seals for gas isolators
CN107750180A (en) * 2015-06-18 2018-03-02 美多Enc株式会社 Damper shutter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325411A (en) * 1979-10-12 1982-04-20 Grovag Grossventiltechnik A.G. Seals for gas isolators
CN107750180A (en) * 2015-06-18 2018-03-02 美多Enc株式会社 Damper shutter
EP3311885A4 (en) * 2015-06-18 2019-06-05 Midoenc Co., Ltd. Damper switch
US10670291B2 (en) 2015-06-18 2020-06-02 Midoenc Co., Ltd. Damper switch

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Legal Events

Date Code Title Description
PS Patent sealed
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee