SE8600218D0 - DEVICE FOR AIR FLOW IN VENTILATION CONDITIONS - Google Patents

DEVICE FOR AIR FLOW IN VENTILATION CONDITIONS

Info

Publication number
SE8600218D0
SE8600218D0 SE8600218A SE8600218A SE8600218D0 SE 8600218 D0 SE8600218 D0 SE 8600218D0 SE 8600218 A SE8600218 A SE 8600218A SE 8600218 A SE8600218 A SE 8600218A SE 8600218 D0 SE8600218 D0 SE 8600218D0
Authority
SE
Sweden
Prior art keywords
air
successively
flow
duct
viewed
Prior art date
Application number
SE8600218A
Other languages
Swedish (sv)
Other versions
SE8600218L (en
Inventor
L E Stern
Original Assignee
Stern Leif Einar
Drennow Sten Gunnar
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 Stern Leif Einar, Drennow Sten Gunnar filed Critical Stern Leif Einar
Priority to SE8600218A priority Critical patent/SE8600218L/en
Publication of SE8600218D0 publication Critical patent/SE8600218D0/en
Publication of SE8600218L publication Critical patent/SE8600218L/en

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
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
    • F04F5/20—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
    • 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
    • F24F13/26—Arrangements for air-circulation by means of induction, e.g. by fluid coupling or thermal effect
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air-Flow Control Members (AREA)
  • Duct Arrangements (AREA)

Abstract

The ventilation duct (7) has an air control unit (8) which has a successively widening front part (24) viewed in the duct flow direction (23), and a back part (25) which narrows successively when viewed likewise in the duct flow direction. This configuration forms a ring-shaped air through flow gap (27, 28, 29) with firstly a reducing and then an increasing through flow area. - The mouthpiece (16) causes the drive air currents (17, 18) to flow along an arc-shaped afr guide surface in the front part (24) outwards towards the air through gap narrowest parts (29). Thus, the drive air currents successively mix with the air (31) located on the upstream side around the air control unit (8) in the ventilation duct (7).
SE8600218A 1986-01-20 1986-01-20 DEVICE FOR AIR FLOW IN VENTILATION CONDITIONS SE8600218L (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE8600218A SE8600218L (en) 1986-01-20 1986-01-20 DEVICE FOR AIR FLOW IN VENTILATION CONDITIONS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8600218A SE8600218L (en) 1986-01-20 1986-01-20 DEVICE FOR AIR FLOW IN VENTILATION CONDITIONS

Publications (2)

Publication Number Publication Date
SE8600218D0 true SE8600218D0 (en) 1986-01-20
SE8600218L SE8600218L (en) 1987-07-21

Family

ID=20363136

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8600218A SE8600218L (en) 1986-01-20 1986-01-20 DEVICE FOR AIR FLOW IN VENTILATION CONDITIONS

Country Status (1)

Country Link
SE (1) SE8600218L (en)

Also Published As

Publication number Publication date
SE8600218L (en) 1987-07-21

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