DE2607183A1 - Constant velocity blower nozzle for air conditioning unit - nozzle material is suffiently elastic to allow expansion of cross sectional area of nozzle - Google Patents

Constant velocity blower nozzle for air conditioning unit - nozzle material is suffiently elastic to allow expansion of cross sectional area of nozzle

Info

Publication number
DE2607183A1
DE2607183A1 DE19762607183 DE2607183A DE2607183A1 DE 2607183 A1 DE2607183 A1 DE 2607183A1 DE 19762607183 DE19762607183 DE 19762607183 DE 2607183 A DE2607183 A DE 2607183A DE 2607183 A1 DE2607183 A1 DE 2607183A1
Authority
DE
Germany
Prior art keywords
nozzle
elastic material
sectional area
cross sectional
elastic
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.)
Pending
Application number
DE19762607183
Other languages
German (de)
Inventor
Veikko Kalevi Dipl Ing Sassi
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.)
Sassi veikko Kalevi dipl-Ing
Original Assignee
Sassi veikko Kalevi dipl-Ing
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 Sassi veikko Kalevi dipl-Ing filed Critical Sassi veikko Kalevi dipl-Ing
Publication of DE2607183A1 publication Critical patent/DE2607183A1/en
Pending 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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity

Landscapes

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

Abstract

Blower device for use in air conditioning or temperature controlling devices, constructed from an elastic material such as synthetic rubber or plastic and which can be attached to an air duct or blower box. Increase of static pressure in the nozzle (2) is prevented by enlargement of the cross sectional area surface of the blower aperture (6). This enlargement is accomplished by stretching of the elastic material, resulting in the air flow issuing from the nozzle (3) being maintained at an almost constant velocity.

Description

PATENTANWÄLTEPATENT LAWYERS

DR. ANDREJEWSKIDR. ANDREJEWSKI

DR.-ING. HONKEDR.-ING. HONKE

DIPk-ING. GESTHUYSENDIPk-ING. GESTHUYSEN

DR. MASCH ESSEN,.THEATERPLATZ 3DR. MASCH ESSEN, .THEATERPLATZ 3

Vorrichtung zum Blasen eines variierenden Luftvolumens in einer Akklimatisationsanlage mit konstanter Geschwindigkeit.Device for blowing a varying volume of air in an acclimatization system at a constant speed.

Der Gegenstand dieser Erfindung ist eine Vorrichtung, die als Einblaseorgan in einer mit variierendem Luftvolumen fusionierenden Akklimatisationsanlage gebraucht wird, welches Organ die Blasegeschwindigkeit annähernd konstant hält.The object of this invention is a device that acts as an injection device in an acclimatization system that fuses with varying air volumes what is needed is which organ keeps the blowing speed approximately constant.

Wegen der irrmer teuerer gewordenen Energie werden mehr und mehr Akklimatisationsanlagen gebaut, wo das Luftvolumen mit der Temperaturentwicklung variiert (VAV-Funktion, Variable Air Volume). Das schwierige Problem dieser Anlagen ist das Fallen der kühlen Luft, wenn die Einblasegeschwindigkeit niedriger wird, wodurch Zug in der Aufenthaltszone verursacht wird.Because of the much more expensive energy, more and more acclimatization systems are being built where the air volume varies with the temperature development (VAV function, Variable Air Volume). The difficult problem with these systems is the fall of cool air as the blowing speed slows, causing draft in the occupied zone.

609836/0329609836/0329

• I- • I-

In einigen bekannten Blasapparate wird für das Halten der Luft oberhalb der Aufenthaltszone eine mit Konstantstrfimung funktioniedender Zusatzdüse, s.g. Jet-Düse, "gebraucht oder es wird ein das Luftvolumen regelnder Balg in der Blasöffnung eingebaut. Die Nachteile dieser Lösungen sind die Teuerkeit und das Fehlen der universalen Anwendungsmöglichkeit.In some known blowers this is used to keep the air above the Stay zone an additional nozzle that works with constant flow, so-called Jet nozzle, "or a bellows regulating the air volume is used in the Built-in blow opening. The disadvantages of these solutions are that they are expensive and cannot be used universally.

Diese Nachteile werden durch eine erfindungsgemässe Vorrichtung vermieden, die dadurch gekennzeichnet, dass das Wachsen des statischen Druckes in der Düse das Wachsen der CXierschnittsflache der Blasöffnung mittels Ausdehnung des elastischen Materials verursacht, wobei die Geschwindigkeit der aus der Düse strömenden Luft annähernd konstant bleibt.These disadvantages are avoided by a device according to the invention, which is characterized in that the growth of the static pressure in the nozzle is the growth of the cross-sectional area of the blow opening by means of expansion of the elastic material, with the speed of the air flowing out of the nozzle remaining approximately constant.

Die erfindungsgemässe Vorrichtung ist einfach und leicht auf unterschiedliche Bräuche anwendbar. Die- erfindungsgemässe Vorrichtung wird im Folgenden näher betrachtet anhand der beiliegenden Zeichnung, wo das Fig. 1 die Vorrichtung als Vertikalschnitt und das Fig. 2 als Vorderansicht darstellt. In einem Kanal 1 wird eine Öffnung gemacht, wohin eine aus elastischen Material gefertigte Düse 2 in die Kerbe 3 sich durch Drücken von oben befestigt. Ein breiterer Absatz 4 der Kerbe 3 verhindert das Eindrücken der Düse in den Kanal hinein. Die Düse 2 ist so geformt, dass der statische Druck in den Kanal 1 möglichst unverhindert auf die nach oben strebenden Teile 5 der Düse bewirken kann und erst danach wird der statische Druck zum dynamischen Druck im Düsenteil 6 verändert. Durch richtige Wahl des Düsenmaterials und der Teile 5 passend verdünnend und gestaltmässig elastisch, wird eine annähernd konstante Ausströmungsgeschwindigkeit w- und Wurflänge des Ablauf erreicht. Die erfindungsgemässe Vorrichtung ist leise im Betrieb wegen des elastischen Materials.The device according to the invention is simple and easy to use in different ways Customs applicable. The device according to the invention is described below considered in more detail with reference to the accompanying drawing, where FIG. 1 shows the device as a vertical section and FIG. 2 as a front view. An opening is made in a channel 1, where a nozzle 2 made of elastic material can be pushed into the notch 3 by pushing it from above attached. A wider shoulder 4 of the notch 3 prevents the nozzle from being pushed into the channel. The nozzle 2 is shaped so that the static Pressure in channel 1 as unhindered as possible on the upward striving Parts 5 of the nozzle can effect and only then is the static pressure changed to the dynamic pressure in the nozzle part 6. By choosing the right Nozzle material and the parts 5 appropriately thinning and elastic in terms of shape, becomes an approximately constant outflow velocity w- and throw length of the process reached. The device according to the invention is quiet in operation because of the elastic material.

Die Düse kann auch so geformt werden, dass in der Blasöffntäng eine von ihren unteren Teil befestigte, aus elastischem Material gefertigte Zunge befindet, die schräg die Öffnung deckt. Wenn dann der Luftdruck wächst, biegt die Zunge sich zur Seite und die Blasöffnung wird grosser. Diese Ausführungsform ist in der Zeichnung nicht dargestellt.The nozzle can also be shaped so that one of its The lower part is fastened and made of elastic material and covers the opening at an angle. Then when the air pressure increases, the tongue flexes sideways and the blow hole becomes larger. This embodiment is in not shown in the drawing.

Die Düse kann von variierender Gestalt sein, aber eine längliche Form paeet der Grundidee der Erfindung besser.The nozzle can be of varying shape, but an elongated shape suits the basic idea of the invention better.

609836/0329609836/0329

Claims (4)

Patentansprüche:Patent claims: 1. In Akklimatisationsanlagen gebrauchtes Blasapparat, das aus elastischem Material, wie Kunstkautschuk, Plastik oder entsprechendem hergestellte Düse aufweist, die in einem Luftkanal, Blaskasten oder entsprechendem befestigt werden kann, dadurch gekennzeichnet, dass das Wachsen des statischen Druckes in der Düse (2) das Wachsen der Querschnittsfläche der Blasöffnung [6] mittels Ausdehnung des elastischen Materials verursacht, wobei die Geschwindigkeit der aus der Düse strömenden Luft annähernd konstant bleibt.1. Blower used in acclimatization systems, made of elastic Material, such as synthetic rubber, plastic or the like has manufactured nozzle that is attached in an air duct, blow box or the like can be, characterized in that the growth of the static pressure in the nozzle (2) the growth of the cross-sectional area of the blow opening [6] caused by expansion of the elastic material, whereby the speed of the air flowing out of the nozzle remains approximately constant. 2. Vorrichtung nach Patentanspruch 1, dadurch gekennzeichnet, dass die Strömungsquerfläche in der Däse in zwei Phasen kleiner wird so, dass auch eine kleine Änderung des statischen Druckes eine entsprechende Änderung der Ausströmungsquerfläche verursacht.2. Device according to claim 1, characterized in that the Cross flow area in the nozzle in two phases becomes smaller so that too a small change in static pressure causes a corresponding change in the cross-flow area. 3. Vorrichtung nach Patentanspruch 1, dadurch gekennzeichnet, dass das elastische Material in Strömungsrichtung dünner wird und eine elastisch abgekröselte Blasöffnung bildet.3. Device according to claim 1, characterized in that the elastic material becomes thinner in the direction of flow and forms an elastically detached blow opening. 4. Vorrichtung nach Patentanspruch 1, dadurch gekennzeichnet, dass die Düse aus einer in der Öffnung schräg liegenden, an einer Seite befestigten Zunge besteht, die durch den statischen und dynamischen Druck gebogen und dadurch die CXierfläche der Öffnung geändert wird.4. Device according to claim 1, characterized in that the Nozzle made of an inclined in the opening, attached to one side Tongue, which is bent by the static and dynamic pressure and thereby the CXierfläche of the opening is changed. "609636/0 329"609636/0 329 LeerseiteBlank page
DE19762607183 1975-02-24 1976-02-21 Constant velocity blower nozzle for air conditioning unit - nozzle material is suffiently elastic to allow expansion of cross sectional area of nozzle Pending DE2607183A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI750505A FI750505A (en) 1975-02-24 1975-02-24

Publications (1)

Publication Number Publication Date
DE2607183A1 true DE2607183A1 (en) 1976-09-02

Family

ID=8508998

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762607183 Pending DE2607183A1 (en) 1975-02-24 1976-02-21 Constant velocity blower nozzle for air conditioning unit - nozzle material is suffiently elastic to allow expansion of cross sectional area of nozzle

Country Status (5)

Country Link
DE (1) DE2607183A1 (en)
DK (1) DK74676A (en)
FI (1) FI750505A (en)
NO (1) NO760605L (en)
SE (1) SE7602115L (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0671592A2 (en) * 1994-03-09 1995-09-13 Leonelli, Paolo Duct with outlets for delivering a conveyed fluid, particularly for systems for air-conditioning civil or industrial premises
DE19944599C1 (en) * 1999-09-16 2000-12-28 Mueller Erwin Gmbh & Co Ceiling air duct for room heating or air-conditioning assembled from extruded plastics profile sections allowing bending in 2 or 3 dimensions
GB2463469A (en) * 2008-09-11 2010-03-17 Howell John Ronald Williams Ventilation plenum chamber/box made of flexible material
FR3042024A1 (en) * 2015-10-01 2017-04-07 Atlantic Climatisation & Ventilation MOUTH OF EXTRACTION OR AIR INSUFFLATION

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0671592A2 (en) * 1994-03-09 1995-09-13 Leonelli, Paolo Duct with outlets for delivering a conveyed fluid, particularly for systems for air-conditioning civil or industrial premises
EP0671592A3 (en) * 1994-03-09 1996-02-07 Leonelli Paolo Duct with outlets for delivering a conveyed fluid, particularly for systems for air-conditioning civil or industrial premises.
US5649860A (en) * 1994-03-09 1997-07-22 Paolo Leonelli Duct and method for air-conditioning
DE19944599C1 (en) * 1999-09-16 2000-12-28 Mueller Erwin Gmbh & Co Ceiling air duct for room heating or air-conditioning assembled from extruded plastics profile sections allowing bending in 2 or 3 dimensions
GB2463469A (en) * 2008-09-11 2010-03-17 Howell John Ronald Williams Ventilation plenum chamber/box made of flexible material
FR3042024A1 (en) * 2015-10-01 2017-04-07 Atlantic Climatisation & Ventilation MOUTH OF EXTRACTION OR AIR INSUFFLATION

Also Published As

Publication number Publication date
FI750505A (en) 1976-08-25
DK74676A (en) 1976-08-25
SE7602115L (en) 1976-08-25
NO760605L (en) 1976-08-25

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