GB1302046A - - Google Patents

Info

Publication number
GB1302046A
GB1302046A GB827070A GB827070A GB1302046A GB 1302046 A GB1302046 A GB 1302046A GB 827070 A GB827070 A GB 827070A GB 827070 A GB827070 A GB 827070A GB 1302046 A GB1302046 A GB 1302046A
Authority
GB
United Kingdom
Prior art keywords
flap
feb
opening
duct
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
GB827070A
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
Publication of GB1302046A publication Critical patent/GB1302046A/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
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00—Housing animals; Equipment therefor
    • A01K1/0047—Air-conditioning, e.g. ventilation, of animal housings
    • A01K1/0064—Construction of air inlets or outlets in walls
    • 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
    • F24F7/065—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 fan combined with single duct; mounting arrangements of a fan in a duct
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Cereal-Derived Products (AREA)
  • Air-Flow Control Members (AREA)

Abstract

1302046 Ventilators HLOHMANN [trading as LOHMANN-APPARATE-BAU KG] 20 Feb 1970 [21 Feb 1969] 8270/70 Addition to 1176995 Heading F4V A ventilator as described in the Specification 1,176,995 is modified in that the vertically depending duct 4 is provided with an upper closable inlet 41 and a non-return pivoted flap 50 which opens in response to air flow through the lower inlet of the duct. The opening 41 includes louvre blades 43, and the blades 43 and flap 50 may be biased to a closed position by springs or weights. A flap or slide may be provided to shut off the opening 41.
GB827070A 1969-02-21 1970-02-20 Expired GB1302046A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691908731 DE1908731A1 (en) 1969-02-21 1969-02-21 Ventilation device

Publications (1)

Publication Number Publication Date
GB1302046A true GB1302046A (en) 1973-01-04

Family

ID=5725927

Family Applications (1)

Application Number Title Priority Date Filing Date
GB827070A Expired GB1302046A (en) 1969-02-21 1970-02-20

Country Status (3)

Country Link
DE (1) DE1908731A1 (en)
GB (1) GB1302046A (en)
NL (1) NL7002472A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2910371A1 (en) * 1979-03-16 1980-10-02 Eberspaecher J VENTILATION DEVICE FOR SEALED ROOMS
CN111006349A (en) * 2018-10-06 2020-04-14 江苏乾诚环境科技有限公司 Pipeline capable of automatically adjusting air pressure

Also Published As

Publication number Publication date
DE1908731A1 (en) 1970-09-10
NL7002472A (en) 1970-08-25

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed