EP0594076B1 - Outlet with vortex flow - Google Patents

Outlet with vortex flow Download PDF

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Publication number
EP0594076B1
EP0594076B1 EP93116686A EP93116686A EP0594076B1 EP 0594076 B1 EP0594076 B1 EP 0594076B1 EP 93116686 A EP93116686 A EP 93116686A EP 93116686 A EP93116686 A EP 93116686A EP 0594076 B1 EP0594076 B1 EP 0594076B1
Authority
EP
European Patent Office
Prior art keywords
outlet
openings
vortex flow
slots
air
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 - Lifetime
Application number
EP93116686A
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German (de)
French (fr)
Other versions
EP0594076A1 (en
Inventor
Gottfried Müller
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.)
Schako KG
Original Assignee
Schako Metallwarenfabrik Ferdinand Schad KG
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Publication date
Application filed by Schako Metallwarenfabrik Ferdinand Schad KG filed Critical Schako Metallwarenfabrik Ferdinand Schad KG
Publication of EP0594076A1 publication Critical patent/EP0594076A1/en
Application granted granted Critical
Publication of EP0594076B1 publication Critical patent/EP0594076B1/en
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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser

Definitions

  • the invention relates to a swirl outlet with an outlet disk, in which star-shaped outlet slots are formed, each of which is assigned an air guide lamella.
  • Such swirl outlets are known in many forms and designs. Reference is made here, for example, to DE-OS 40 26 932.9. Bearing disks, such as are shown, for example, in DE-OS 38 32 052.5, are generally used to fix the air guide vanes.
  • the present invention has for its object to further improve these swirl outlets and to increase the amount of air to be introduced.
  • openings are provided in the outlet disk between the outlet slots and / or around the outlet slots.
  • the fluidic connection between the air guide fins and the openings is also important.
  • the air flows through the openings more or less deeply vertically into a room.
  • the air guide fins give the air flow, which emerges from the outlet slots, a swirl, which engages in the vertical air flow of the openings and deflects them. This significantly improves the induction into the room.
  • the openings are not only arranged between the outlet slots, but there is a ring of openings around the outlet slots. If the outlet disc is round, this ring is also round. However, an angular configuration is also conceivable, depending on how the outlet disk is shaped. It is essential that the outer ring of openings creates a kind of cylindrical air curtain in which the swirled air can be introduced deep into a room. In this way, warm air in particular can be introduced very deeply into a room before the targeted guidance is canceled and then the warm air is distributed and rises again.
  • the majority of the openings between the outlet slots are formed with a relatively small diameter, while the openings in the ring around the outlet slots have a larger diameter.
  • the air flows through the outlet slots more freely, so that the sufficient swirl can be given to it.
  • the openings in the ring around the outlet slots also allow the air to enter the room more freely.
  • the air emerging from the openings with a smaller diameter is carried away by the swirl flow, but pulls the swirl flow down into the room. From this it can be seen that the individual different air flows complement each other effectively.
  • a swirl outlet R according to the invention has gem.
  • outlet slots 5 are formed in the outlet disk 1.
  • these outlet slots 5 have different lengths l1 and l2.
  • the openings 6 do not all have the same diameter, but can be shaped differently. All of these shapes and differences in shape are intended to be encompassed by the present inventive concept.
  • 5 slats 7 are assigned to the outlet slots. These slats 7 are preferably rotatably mounted on an axis 8, wherein the axis 8 extends between two bearing disks 9 and 10.
  • the bearing disks 9 and 10 can be punched out of the material of the outlet disk 1 during the punching process for the outlet slots 5 and bent upwards. Other definitions for the bearing disc are also within the scope of the invention. However, the bearing disks preferably have a foot web 11, which forms a groove 12 or 13 on both sides toward the bearing disk 9 or 10. To fix the bearing disk 9 or 10 in the outlet slot 5, the bearing disk 9 or 10 can then be inserted into the outlet slot 5 and rotated until the marginal edges of the outlet slot 5 each enter the groove 12 or 13. As a result, the setting of the fins 7 is simplified, and no additional welding spots or the like are. Fixings needed.

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  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Air-Flow Control Members (AREA)
  • Cyclones (AREA)
  • Duct Arrangements (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Multiple-Way Valves (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)

Abstract

In an outlet with vortex flow, having an outlet disc (1) into which there are moulded, in stepped arrangement, outlet slots (5) which are in each case assigned an air-guiding lamella (7), perforations (6) are to be provided in the outlet disc (1) between and/or around the outlet slots (5). <IMAGE>

Description

Die Erfindung betrifft einen Drallauslaß mit einer Auslaßscheibe, in welche sternförmig angeordnete Auslaßschlitze eingeformt sind, denen jeweils eine Luftleitlamelle zugeordnet ist.The invention relates to a swirl outlet with an outlet disk, in which star-shaped outlet slots are formed, each of which is assigned an air guide lamella.

Derartige Drallauslässe sind in vielfältiger Form und Ausführung bekannt. Verwiesen wird hier beispielsweise auf die DE-OS 40 26 932.9. Zur Festlegung der Luftleitlamellen dienen in der Regel Lagerscheiben, wie sie beispielsweise in der DE-OS 38 32 052.5 dargestellt sind.Such swirl outlets are known in many forms and designs. Reference is made here, for example, to DE-OS 40 26 932.9. Bearing disks, such as are shown, for example, in DE-OS 38 32 052.5, are generally used to fix the air guide vanes.

Derartige Drallauslässe haben sich zum Einbringen von Warm- und/oder Kaltluft bestens bewährt, allerdings ist die Menge der in einen Raum einzubringenden Luft durch die Anzahl und Größe der Auslaßschlitze begrenzt.Swirl outlets of this type have proven themselves very well for introducing warm and / or cold air, but the amount of air to be introduced into a room is limited by the number and size of the outlet slots.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, diese Drallauslässe noch weiter zu verbessern und die Menge der einzubringenden Luft zu erhöhen.The present invention has for its object to further improve these swirl outlets and to increase the amount of air to be introduced.

Zur Lösung dieser Aufgabe führt, daß zwischen den Auslaßschlitzen und/oder um die Auslaßschlitze Durchbrüche in der Auslaßscheibe vorgesehen sind.To achieve this object, openings are provided in the outlet disk between the outlet slots and / or around the outlet slots.

Bei einem derartigen Auslaß wird durch die Auslaßscheibe ein gewisser Vordruck aufgebaut, so daß die Luft nicht nur durch die Auslaßschlitze sondern insbesondere auch durch die Durchbrüche nach außen strömt. D.h., aus der gesamten Auslaßscheibe strömt Luft und zwar in unterschiedlichen Richtungen. Dadurch wird der freie Querschnitt der Luftaustrittsöffnungen erheblich erhöht, und es kann über einen einzigen Auslaß wesentlich mehr Luft einem Raum zugeführt werden.In the case of such an outlet, a certain pre-pressure is built up through the outlet disk, so that the air flows outward not only through the outlet slots but in particular also through the openings. That is, air flows out of the entire exhaust disk in different directions. As a result, the free cross section of the air outlet openings is increased considerably, and considerably more air can be supplied to a room via a single outlet.

Wesentlich ist aber auch die strömungstechnische Verbindung zwischen den Luftleitlamellen und den Durchbrüchen. Je nach dem Vordruck vor der Auslaßscheibe strömt durch die Durchbrüche die Luft mehr oder weniger tief senkrecht in einen Raum ein. Dagegen geben die Luftleitlamellen der Luftströmung, welche aus den Auslaßschlitzen austritt, einen Drall mit, welcher in die senkrechte Luftströmung der Durchbrüche eingreift und diese umlenkt. Hierdurch wird die Induktion in den Raum wesentlich verbessert.However, the fluidic connection between the air guide fins and the openings is also important. Depending on the form in front of the outlet disc, the air flows through the openings more or less deeply vertically into a room. In contrast, the air guide fins give the air flow, which emerges from the outlet slots, a swirl, which engages in the vertical air flow of the openings and deflects them. This significantly improves the induction into the room.

In einem bevorzugten Ausführungsbeispiel der Erfindung sind nicht nur zwischen den Auslaßschlitzen die Durchbrüche angeordnet, sondern es befindet sich ein Ring von Durchbrüchen um die Auslaßschlitze herum. Sofern die Auslaßscheibe rund geformt ist, ist dieser Ring ebenfalls rund. Jedoch ist auch eine eckige Ausgestaltung denkbar, je nachdem, wie die Auslaßscheibe geformt ist. Wesentlich ist dabei, daß der äußere Ring von Durchbrüchen quasi einen zylinderförmigen Luftschleier erzeugt, in welchem die mit einem Drall versehene Luft tief in einen Raum eingeführt werden kann. Auf diese Weise kann insbesondere Warmluft sehr tief in einen Raum eingeführt werden, bevor die gezielte Führung aufgehoben wird und sich dann die warme Luft verteilt und wieder nach oben steigt.In a preferred embodiment of the invention, the openings are not only arranged between the outlet slots, but there is a ring of openings around the outlet slots. If the outlet disc is round, this ring is also round. However, an angular configuration is also conceivable, depending on how the outlet disk is shaped. It is essential that the outer ring of openings creates a kind of cylindrical air curtain in which the swirled air can be introduced deep into a room. In this way, warm air in particular can be introduced very deeply into a room before the targeted guidance is canceled and then the warm air is distributed and rises again.

Um eine gute und gewollte Steuerung der Luftströmung zu erreichen, hat es sich als günstig erwiesen, wenn der größte Teil der Durchbrüche zwischen den Auslaßschlitzen mit einem relativ geringen Durchmesser geformt ist, während die Durchbrüche im Ring um die Auslaßschlitze einen größeren Durchmesser aufweisen. Bei einem gleichen Vordruck vor der Auslaßscheibe strömt die Luft durch die Auslaßschlitze freier, so daß ihr der genügende Drall mitgegeben werden kann. Auch durch die Durchbrüche im Ring um die Auslaßschlitze kann die Luft freier in den Raum eintreten. Die aus den Durchbrüchen mit einem geringeren Durchmesser austretende Luft wird dagegen von der Drallströmung mitgerissen, zieht jedoch die Drallströmung nach unten in den Raum. Daraus ist ersichtlich, daß sich die einzelnen unterschiedlichen Luftströmungen wirkungsvoll ergänzen.In order to achieve good and desired control of the air flow, it has proven to be advantageous if the majority of the openings between the outlet slots are formed with a relatively small diameter, while the openings in the ring around the outlet slots have a larger diameter. At an equal pre-pressure in front of the outlet disc, the air flows through the outlet slots more freely, so that the sufficient swirl can be given to it. The openings in the ring around the outlet slots also allow the air to enter the room more freely. The air emerging from the openings with a smaller diameter, however, is carried away by the swirl flow, but pulls the swirl flow down into the room. From this it can be seen that the individual different air flows complement each other effectively.

Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung bevorzugter Ausführungsbeispiele sowie anhand der Zeichnung; diese zeigt in

  • Fig. 1 eine Draufsicht auf einen erfindungsgemäßen Drallauslaß;
  • Fig. 2 einen Querschnitt durch den Drallauslaß gem. Fig. 1 entlang Linie II - II.
Further advantages, features and details of the invention result from the following description of preferred exemplary embodiments and from the drawing; this shows in
  • Figure 1 is a plan view of a swirl outlet according to the invention.
  • Fig. 2 shows a cross section through the swirl outlet acc. Fig. 1 along line II - II.

Ein erfindungsgemäßer Drallauslaß R weist gem. den Figuren 1 und 2 eine Auslaßscheibe 1 auf, welche von einem trichterförmig nach außen gewölbten Randstreifen 2 umfangen ist. In Gebrauchslage liegt dieser trichterförmige Randstreifen 2 mit seiner Außenkante 3 einer Decke 4 von unten her an.A swirl outlet R according to the invention has gem. Figures 1 and 2 on an outlet disc 1, which is surrounded by a funnel-shaped outwardly curved edge strip 2. In the position of use, this funnel-shaped edge strip 2 rests with its outer edge 3 on a ceiling 4 from below.

In die Auslaßscheibe 1 sind zum einen rechteckförmige Auslaßschlitze 5 eingeformt. Im vorliegenden Ausführungsbeispiel weisen diese Auslaßschlitze 5 unterschiedliche Längen l₁ und l₂ auf. Zum anderen befinden sich in der Auslaßscheibe zwischen den Auslaßschlitzen 5 viele relativ kleine Durchbrüche 6, welche im vorliegenden Ausführungsbeispiel als runde Löcher geformt sind. Im Rahmen der Erfindung liegen jedoch alle anderen geometrischen Formen, beispielsweise eckige, elipsenförmige, tropfenförmige usw. Löcher. Ferner ist erkennbar, daß die Durchbrüche 6 nicht alle den gleichen Durchmesser haben, sondern unterschiedlich geformt sein können. Sämtliche dieser Formen und Formunterschiede sollen vom vorliegenden Erfindungsgedanken umfaßt sein.On the one hand, rectangular outlet slots 5 are formed in the outlet disk 1. In the present embodiment, these outlet slots 5 have different lengths l₁ and l₂. On the other hand, there are many relatively small openings 6 in the outlet disk between the outlet slots 5, which are shaped as round holes in the present exemplary embodiment. However, all other geometric shapes, for example angular, elliptical, teardrop-shaped, etc. holes are within the scope of the invention. It can also be seen that the openings 6 do not all have the same diameter, but can be shaped differently. All of these shapes and differences in shape are intended to be encompassed by the present inventive concept.

Ferner ist insbesondere in Fig. 2 erkennbar, daß den Auslaßschlitzen 5 Lamellen 7 zugeordnet sind. Bevorzugt sind diese Lamellen 7 drehbar an einer Achse 8 gelagert, wobei sich die Achse 8 zwischen zwei Lagerscheiben 9 und 10 erstreckt.Furthermore, it can be seen in particular in FIG. 2 that 5 slats 7 are assigned to the outlet slots. These slats 7 are preferably rotatably mounted on an axis 8, wherein the axis 8 extends between two bearing disks 9 and 10.

Die Lagerscheiben 9 und 10 können während des Stanzvorganges für die Auslaßschlitze 5 aus dem Material der Auslaßscheibe 1 herausgestanzt und nach oben abgebogen sein. Im Rahmen der Erfindung liegen auch andere Festlegungen für die Lagerscheibe. Bevorzugt weisen jedoch die Lagerscheiben einen Fußsteg 11 auf, welcher zur Lagerscheibe 9 bzw. 10 hin beidsseits eine Nut 12 bzw. 13 ausformt. Zum Festlegen der Lagerscheibe 9 bzw. 10 in dem Auslaßschlitz 5 kann dann die Lagerscheibe 9 bzw. 10 in den Auslaßschlitz 5 eingesetzt und gedreht werden, bis die Randkanten des Auslaßschlitzes 5 jeweils in die Nut 12 bzw. 13 einfahren. Hierdurch ist das Festlegen der Lamellen 7 vereinfacht, und es werden keine zusätzlichen Schweißpunkte od.dgl. Befestigungen benötigt.The bearing disks 9 and 10 can be punched out of the material of the outlet disk 1 during the punching process for the outlet slots 5 and bent upwards. Other definitions for the bearing disc are also within the scope of the invention. However, the bearing disks preferably have a foot web 11, which forms a groove 12 or 13 on both sides toward the bearing disk 9 or 10. To fix the bearing disk 9 or 10 in the outlet slot 5, the bearing disk 9 or 10 can then be inserted into the outlet slot 5 and rotated until the marginal edges of the outlet slot 5 each enter the groove 12 or 13. As a result, the setting of the fins 7 is simplified, and no additional welding spots or the like are. Fixings needed.

Claims (7)

  1. Outlet with vortex flow, having an outlet disc (1), in which outlet slots (5) are formed, which are disposed in a step-like manner and each of which has an air conducting fin (7) associated therewith, characterised in that openings (6) are provided in the outlet disc (1) between the outlet slots an/or around the outlet slots (5).
  2. Outlet with vortex flow according to claim 1, characterised in that the openings (6) have identical configurations.
  3. Outlet with vortex flow according to claim 1 or 2, characterised in that the openings (6) are disposed symmetrically.
  4. Outlet with vortex flow according to claim 1, characterised in that at least some of the openings (6) have different configurations.
  5. Outlet with vortex flow according to at least one of claims 1 - 4, characterised in that a ring of openings (6a) is disposed around the outlet slots (5).
  6. Outlet with vortex flow according to claim 5, characterised in that the ring has openings (6a) with a larger diameter than the openings (6b) between the outlet slots (5).
  7. Outlet with vortex flow according to at least one of claims 1 - 6, characterised in that the outlet disc (1) is surrounded by an edge strip (2) which curves outwardly in a funnel-shaped manner.
EP93116686A 1992-10-23 1993-10-15 Outlet with vortex flow Expired - Lifetime EP0594076B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9214369U 1992-10-23
DE9214369U DE9214369U1 (en) 1992-10-23 1992-10-23 Swirl outlet

Publications (2)

Publication Number Publication Date
EP0594076A1 EP0594076A1 (en) 1994-04-27
EP0594076B1 true EP0594076B1 (en) 1996-01-31

Family

ID=6885176

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93116686A Expired - Lifetime EP0594076B1 (en) 1992-10-23 1993-10-15 Outlet with vortex flow

Country Status (8)

Country Link
EP (1) EP0594076B1 (en)
AT (1) ATE133774T1 (en)
CZ (1) CZ225193A3 (en)
DE (2) DE9214369U1 (en)
ES (1) ES2082574T3 (en)
HU (1) HUT65570A (en)
PL (1) PL300827A1 (en)
SK (1) SK117393A3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4305471C2 (en) * 1993-02-24 1997-06-19 Fritz Juergen Eidmann Ceiling air outlet, especially air outlet rail
DE9303880U1 (en) * 1993-03-19 1993-06-03 "Schako" Metallwarenfabrik Ferdinand Schad KG Zweigniederlassung Kolbingen, 7201 Kolbingen Nozzle outlet
DE4405630C2 (en) * 1994-02-22 1996-03-14 Schako Metallwarenfabrik Ceiling outlet
DE4405738C1 (en) * 1994-02-23 1995-06-08 Schako Metallwarenfabrik Swirl inducing outlet
DE4416841C2 (en) * 1994-05-13 1997-10-23 Mueller Erwin Gmbh & Co Air outlet, especially ceiling air outlet
DK2322867T3 (en) 2009-11-11 2014-07-14 Trox Gmbh Geb Diffuser, especially vortex diffuser for room ventilation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2838400C2 (en) * 1978-09-02 1982-09-23 Schako Metallwarenfabrik Ferdinand Schad Gmbh, Zweigniederlassung Kolbingen, 7201 Kolbingen Air outlet for ventilation of rooms
DE3042216C2 (en) * 1980-11-08 1986-03-27 H. Krantz Gmbh & Co, 5100 Aachen Swirl outlet
GB2120778A (en) * 1982-05-20 1983-12-07 Howorth Air Eng Ltd Outlet device for an air conditioning system
DE3809157A1 (en) * 1988-03-18 1989-09-28 Schako Metallwarenfabrik CEILING OUTLET
DE3822283A1 (en) * 1988-07-01 1990-01-04 Schako Metallwarenfabrik SPIRAL OUTLET
DE4026932A1 (en) * 1990-08-25 1992-04-30 Schako Metallwarenfabrik CEILING OUTLET
DE4116481A1 (en) * 1991-05-21 1992-11-26 Schako Metallwarenfabrik AIR OUTLET
DE4140208C2 (en) * 1991-12-05 1998-07-23 Mueller Erwin Gmbh & Co Air outlet device for ventilation and / or air conditioning of rooms

Also Published As

Publication number Publication date
ATE133774T1 (en) 1996-02-15
DE9214369U1 (en) 1993-02-04
DE59301549D1 (en) 1996-03-14
HU9302993D0 (en) 1994-01-28
CZ225193A3 (en) 1994-05-18
EP0594076A1 (en) 1994-04-27
SK117393A3 (en) 1994-09-07
HUT65570A (en) 1994-07-28
ES2082574T3 (en) 1996-03-16
PL300827A1 (en) 1994-05-16

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