EP0329498A1 - Vorrichtung zur Luftbewegung in einem Kanal - Google Patents

Vorrichtung zur Luftbewegung in einem Kanal Download PDF

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Publication number
EP0329498A1
EP0329498A1 EP89400206A EP89400206A EP0329498A1 EP 0329498 A1 EP0329498 A1 EP 0329498A1 EP 89400206 A EP89400206 A EP 89400206A EP 89400206 A EP89400206 A EP 89400206A EP 0329498 A1 EP0329498 A1 EP 0329498A1
Authority
EP
European Patent Office
Prior art keywords
air
duct
extraction
nozzle
blown
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
EP89400206A
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English (en)
French (fr)
Other versions
EP0329498B1 (de
Inventor
Jacques Paziaud
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
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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
Application filed by Individual filed Critical Individual
Priority to AT89400206T priority Critical patent/ATE80718T1/de
Publication of EP0329498A1 publication Critical patent/EP0329498A1/de
Application granted granted Critical
Publication of EP0329498B1 publication Critical patent/EP0329498B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F24F13/26—Arrangements for air-circulation by means of induction, e.g. by fluid coupling or thermal effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/16—Induction apparatus, e.g. steam jet, acting on combustion products beyond the fire
    • 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

Definitions

  • the present invention relates to the setting in motion of air or more generally of fluid in relatively tight ducts, by a low flow of air or of fluid blown or pulsed at high speed in the center of the duct in the desired direction of circulation.
  • VMC controlled mechanical ventilation
  • the invention relates to the setting in motion of air or more generally of a fluid, in relatively tight sheaths, by a low flow of air or of blown or pulsed fluid at high speed, in the center of the sheath, in the desired direction of movement.
  • the invention relates, when the fluid is air: - in new and old construction: . air extraction, most often polluted, . blowing air, most often air conditioned. - in industry : . suction or discharge of dangerous or corrosive fluids or at high temperature, accepting the mixture of a neutral fluid in small proportion but which sets it in motion because it is ejected at high speed.
  • the air flow or fluid entrained in the duct is 5 to 10 times that of the air or the fluid blown or pulsed at high speed.
  • the multiplier effect is from 5 to 10.
  • activated natural ventilation composed of: - a medium and high pressure fan, usually 100 to 300 mm of water column is enough, is placed either on the terrace but most often in the basement, preferably in the boiler room or in a substation, which facilitates maintenance.
  • a vertical duct little used, allows the network to go up to the terrace.
  • the network is placed on the waterproofing, possibly hung at the foot of some stumps.
  • a "barrel" made on a duct connection or possibly directly on the main duct, allows to supply the pipes of small section, ⁇ 20 to 50 mm, flexible or rigid going to each strain.
  • each of the pipes is fixed a rigid stick (made of metal or plastic, 1 to 2 m long approximately) which is slid into the ventilation duct by the top of the stump, most often without having to dismantle the hat of it.
  • - at the end of the stock is an adjustable nozzle to balance the network.
  • the air is blown, for example at a speed of 20 to 30 m / second; in the center of the duct (20 x 20 cm for example) the air jet tends to stick quickly to the walls of the duct and therefore to very well sweep the surface of the latter.
  • a vacuum is created upstream of the air jet, which increases the air flow extracted naturally by thermal draft.
  • some nozzles may be such that at a low flow rate of blown air, this air is blown laterally, thus slowing down the flow rate of natural ventilation by thermal draft.
  • the flow of extracted air is all the more important the colder it is outside.
  • a too strong flow in cold weather especially since the fresh air is very little loaded with water vapor. It is therefore desirable to be able to slow the rate of natural ventilation in very cold weather and to be able to activate it during other seasons.
  • These nozzles would blow laterally: - either because at low flow, the jet reaction on the side walls of the duct will be weaker and the nozzle articulated at its base will tend to tilt by its own weight.
  • the type of natural ventilation activated has the great advantage of no longer being dangerous when individual gas boilers are connected to the ventilation duct: if the fan stops, there is always the thermal draft, while with the VMC there is no technically reliable solution found to date, despite the fatal accidents that have occurred.
  • each mouth gives onto a vertical sheath of a stage leading to a secondary sheath of four stages, for example, the latter being able to lead to a tertiary sheath, being able to go up to sixteen stages, for example, and receiving all the four stages l end of a secondary sheath and so on.
  • the primary sheaths can be on top of each other forming a single sheath having cuts per stage.
  • the secondary sheaths can be one on top of the other, forming a single sheath having cuts every four stages, etc ... - these cuts can be fixed as currently.
  • the cuts could be movable around a point or an axis, opening all together or separately by means of rods, cables running the entire length of the sheath or by electric or pneumatic control.
  • Each cut would be made by a plate, which closed allows a fairly good air tightness between two vertical ducts.
  • the extracted air would be activated in the upper part of the terminal duct by a jet of air blown at high speed outwards from: - a slipped stock as in the old construction from the top of the sheath. - of activation tube, crossing the terminal sheath from bolting provided for this purpose, and curved towards the exit.
  • Air can be activated at different levels in the primary, secondary, and terminal ducts by blowing air jets at high speed from tubes passing through the wall of the sheath by bolting, and bent towards the outlet, the high-pressure air network being most often outside the sheaths.
  • the air could be set in motion, upstream or downstream, of each element of the main network causing significant pressure drops, by a jet of air blown at high speed in the desired direction of circulation.
  • This jet would come from an activation tube passing through the sheath, curved in the direction of air circulation, and connected to a high or medium pressure air hose following the main sheath.
  • the static + dynamic pressure in the main sheath could be controlled at any point, and for example, be low. It is thus possible to adjust at will in each part of the air conditioning network, the direction of the air, and its flow, by playing on the air flow of the only medium pressure network, through activation tubes of small section crossing the sheath of the main air network, and well placed, thanks to small valves, clearly more tight, reliable and less expensive than the traditional air shutters, of a type approaching the hydraulic valves.
  • the air is extracted by traditional extraction ducts by collective ducts (1).
  • a stick (2) having at its end a nozzle (3) which is thus placed in the center of the sheath.
  • This stick is connected to a small diameter pipe (4) which is pricked, by set of stumps, on the roof pipe (5) by a barrel (6).
  • the roof pipe is connected to a vertical sheath (7) passing through an empty duct.
  • This vertical pipe is connected to a horizontal pipe (8) in the basement, the latter going to the medium pressure fan (9) placed in the substation or in the boiler room.
  • This fan is controlled by a regulator (10) acting according to the hours and atmospheric conditions.
  • the superimposed collective conduits are made of rolled metal (1).
  • the primary duct is cut by a metal shutter (11), movable around an off-center horizontal axis (12). In the horizontal position, the flap is applied hermetically to a metal crown (13).
  • the displacement of the superimposed flaps is achieved by a metal rod (14) connected to each flap near the end opposite to the axis, and thus making the entire height of the duct, that is to say as many floors as building. This rod is operated from the roof or the basement.
  • the cleaning of the duct is thus carried out over the entire height, all at once, for example using a special vacuum cleaner.
  • the extraction is activated by a tube (15) screwed onto the wall of the last duct, curved towards the outlet.
  • the air-conditioning supply network (16) is accelerated in places by activation tubes (15) passing through and bolted to the network (16), having as always nozzles (3) at their ends. , and connected to the medium pressure air pipe (5) and controlled by valves (17).
  • These activation tubes can be placed either a little far before an obstacle (exchanger, ...) creating high pressure drops, or after.
  • an activation tube can be placed to accelerate the flow in this duct, if it is in the direction of the network (18) or to stop the air flow, and even reverse the flow direction of air, if he is placed in the opposite direction (19).
  • a "venturi" (20) can be placed in front of the nozzle.
  • FIG. 4 On the smoke duct (21) of a condensing boiler (22) is placed an activation tube (3) connected to a medium pressure fan (9) taking the air outside or in the boiler room.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)
  • Ventilation (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Finger-Pressure Massage (AREA)
  • Air-Flow Control Members (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
EP89400206A 1988-01-25 1989-01-25 Vorrichtung zur Luftbewegung in einem Kanal Expired - Lifetime EP0329498B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89400206T ATE80718T1 (de) 1988-01-25 1989-01-25 Vorrichtung zur luftbewegung in einem kanal.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8800773 1988-01-25
FR8800773A FR2626324B1 (fr) 1988-01-25 1988-01-25 Procede de mise en mouvement de l'air dans une gaine d'aeration par jets d'air induits et son extension pour d'autres fluides

Publications (2)

Publication Number Publication Date
EP0329498A1 true EP0329498A1 (de) 1989-08-23
EP0329498B1 EP0329498B1 (de) 1992-09-16

Family

ID=9362581

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89400206A Expired - Lifetime EP0329498B1 (de) 1988-01-25 1989-01-25 Vorrichtung zur Luftbewegung in einem Kanal

Country Status (4)

Country Link
EP (1) EP0329498B1 (de)
AT (1) ATE80718T1 (de)
DE (1) DE68902846T2 (de)
FR (1) FR2626324B1 (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992014100A1 (en) * 1989-12-19 1992-08-20 ABB Fläkt Oy A method of and a device for mechanically removing gas from a room space
FR2688814A1 (fr) * 1992-03-19 1993-09-24 Paziaud Jacques Installation d'extraction d'air d'un immeuble.
EP0772003A1 (de) 1995-11-03 1997-05-07 André Amphoux Gerät zum Absaugen eines Gases aus einer Leitung um es abzuführen
EP0878672A1 (de) * 1997-05-13 1998-11-18 André Amphoux Belüftungssystem mit Lufteinspritzung für einen besseren Zug
WO2005008131A1 (en) * 2003-06-16 2005-01-27 Timpano, Laura Device for increasing draught in chimneys
EP1845175A1 (de) * 2006-04-11 2007-10-17 Aluminium Pechiney Einrichtung und Verfahren zur Sammlung der Abflüsse einer Elektrolysezelle
EP2853830A1 (de) 2013-06-27 2015-04-01 André Amphoux Belüftungssystemmodul und Gebäudebelüftungssystem, das über Internet ferngesteuert werden kann
EP3477215A1 (de) 2017-10-24 2019-05-01 André Amphoux Steuerungssystem von belüftungseinheiten

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE528949A (de) *
DE9630C (de) * D. C. GREEN in Brooklyn (New-York, V: St. v. A.) Neuerung an Luftinjektor-Düsen
DE68727C (de) * kommanditgesellschaft für Druckluftanlage^, August riedinger & Co., in Augsburg Selbsttätig umschaltende Doppeldüse für Druckluft oder dergl
US2556899A (en) * 1947-03-27 1951-06-12 William W Broussard Gas removing device
DE1271366B (de) * 1959-10-29 1968-06-27 Plein Wagner Soehne UEbereinander angeordnete stockwerkshohe Nebenschaechte fuer das Lueften von Raeumen
FR2117318A5 (de) * 1970-12-02 1972-07-21 Integra Lichtenvoorde Nv
DE2851046A1 (de) * 1978-11-25 1980-06-04 Walter Ing Grad Hirsch Luftauslassvorrichtung fuer raumklimatisierungs- und belueftungsanlagen
DE3217782A1 (de) * 1982-05-12 1983-11-24 Horst 5240 Betzdorf Marotzke Verfahren und geraet zur so(pfeil abwaerts)x(pfeil abwaerts)-ausscheidung und waermerueckgewinnung aus heissen abgasen mit waermepumpen- effekt

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1159121B (de) * 1962-01-23 1963-12-12 Albert Otto Hemmann Dipl Ing Schornstein zur Abfuehrung saeurehaltiger, feuchter Abgase geringer Temperatur

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE528949A (de) *
DE9630C (de) * D. C. GREEN in Brooklyn (New-York, V: St. v. A.) Neuerung an Luftinjektor-Düsen
DE68727C (de) * kommanditgesellschaft für Druckluftanlage^, August riedinger & Co., in Augsburg Selbsttätig umschaltende Doppeldüse für Druckluft oder dergl
US2556899A (en) * 1947-03-27 1951-06-12 William W Broussard Gas removing device
DE1271366B (de) * 1959-10-29 1968-06-27 Plein Wagner Soehne UEbereinander angeordnete stockwerkshohe Nebenschaechte fuer das Lueften von Raeumen
FR2117318A5 (de) * 1970-12-02 1972-07-21 Integra Lichtenvoorde Nv
DE2851046A1 (de) * 1978-11-25 1980-06-04 Walter Ing Grad Hirsch Luftauslassvorrichtung fuer raumklimatisierungs- und belueftungsanlagen
DE3217782A1 (de) * 1982-05-12 1983-11-24 Horst 5240 Betzdorf Marotzke Verfahren und geraet zur so(pfeil abwaerts)x(pfeil abwaerts)-ausscheidung und waermerueckgewinnung aus heissen abgasen mit waermepumpen- effekt

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992014100A1 (en) * 1989-12-19 1992-08-20 ABB Fläkt Oy A method of and a device for mechanically removing gas from a room space
FR2688814A1 (fr) * 1992-03-19 1993-09-24 Paziaud Jacques Installation d'extraction d'air d'un immeuble.
EP0772003A1 (de) 1995-11-03 1997-05-07 André Amphoux Gerät zum Absaugen eines Gases aus einer Leitung um es abzuführen
EP0878672A1 (de) * 1997-05-13 1998-11-18 André Amphoux Belüftungssystem mit Lufteinspritzung für einen besseren Zug
FR2763390A1 (fr) * 1997-05-13 1998-11-20 Andre Amphoux Systeme de ventilation avec injection d'air supplementaire pour l'aide au tirage
WO2005008131A1 (en) * 2003-06-16 2005-01-27 Timpano, Laura Device for increasing draught in chimneys
EP1845175A1 (de) * 2006-04-11 2007-10-17 Aluminium Pechiney Einrichtung und Verfahren zur Sammlung der Abflüsse einer Elektrolysezelle
WO2007116320A2 (en) * 2006-04-11 2007-10-18 Aluminium Pechiney System and process for collecting effluents from an electrolytic cell
WO2007116320A3 (en) * 2006-04-11 2008-09-04 Pechiney Aluminium System and process for collecting effluents from an electrolytic cell
EP2853830A1 (de) 2013-06-27 2015-04-01 André Amphoux Belüftungssystemmodul und Gebäudebelüftungssystem, das über Internet ferngesteuert werden kann
EP3477215A1 (de) 2017-10-24 2019-05-01 André Amphoux Steuerungssystem von belüftungseinheiten

Also Published As

Publication number Publication date
ATE80718T1 (de) 1992-10-15
DE68902846D1 (de) 1992-10-22
FR2626324A1 (fr) 1989-07-28
DE68902846T2 (de) 1993-04-01
EP0329498B1 (de) 1992-09-16
FR2626324B1 (fr) 1993-04-09

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