EP0632235A1 - Outlet with a vortex flow - Google Patents

Outlet with a vortex flow Download PDF

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Publication number
EP0632235A1
EP0632235A1 EP94108659A EP94108659A EP0632235A1 EP 0632235 A1 EP0632235 A1 EP 0632235A1 EP 94108659 A EP94108659 A EP 94108659A EP 94108659 A EP94108659 A EP 94108659A EP 0632235 A1 EP0632235 A1 EP 0632235A1
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EP
European Patent Office
Prior art keywords
swirl
cover plate
outlet according
frame
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.)
Withdrawn
Application number
EP94108659A
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German (de)
French (fr)
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
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 Schako Metallwarenfabrik Ferdinand Schad KG filed Critical Schako Metallwarenfabrik Ferdinand Schad KG
Publication of EP0632235A1 publication Critical patent/EP0632235A1/en
Withdrawn legal-status Critical Current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 for insertion into a ceiling and for supplying air to a room, the air emerging from recesses in a cover plate.
  • Twist outlets are known in many forms and designs.
  • slots are formed in a cover plate in a star shape, to which employed air-guiding blades are assigned. These air guide fins cause the air to exit from these star-shaped outlet slots with a swirl.
  • the object of the present invention is to provide a relatively small swirl outlet in which the air outlet quantity can be varied and in which the air can escape both horizontally and vertically.
  • the cover plate forms an annular air outlet gap with a frame.
  • the recesses provided in the cover plate can have any number and configuration. They depend on the given room conditions and supply air temperatures.
  • the size of the air outlet gap should preferably be changeable. This is done for the sake of simplicity in that the cover plate is inserted into the frame by means of a threaded rod, so that the cover plate can be screwed more or less deep into the frame.
  • a support star in the frame offers itself as a holder for the cover plate, which preferably has an internal thread in the axial direction of the swirl outlet, in which the above-mentioned threaded rod engages.
  • the cover plate is held on the threaded rod between an Allen head, which is molded onto the threaded rod, and a lock nut.
  • the Allen head is preferably inserted into a sleeve which is molded onto the cover plate from the inside.
  • the window frame itself preferably has a funnel-shaped connecting piece, which is adjoined by an edge wall.
  • This boundary wall forms together with the cover plate or with an edge strip of the cover plate, the above-mentioned air outlet opening.
  • This edge strip can be bent relative to an inner plate of the cover plate, so that the slope of the annular exit jet from the air outlet gap is determined thereby. This slope can be changed as desired.
  • the cover frame which holds the cover plate, is, to a certain extent, inserted into a holding frame, which holds the entire swirl outlet on the ceiling.
  • This holding frame has indentations on which strips are supported, which in turn are fixed to the support star. If these indentations are designed to rise obliquely, then by rotating the window frame, it can be drawn more or less into the holding frame together with the cover plate. As a result, a distance which an edge at the edge wall of the frame mentioned above from the underside of the ceiling will be kept more or less large. The edge then forms a further air outlet opening to the underside of the ceiling, so that here a corresponding amount of supply air can escape into the room directly along the ceiling.
  • swirl blades should be fitted on the cover plate from the inside. These swirl blades preferably run like blades around the above-mentioned longitudinal axis or around the threaded rod and, if desired, can be inclined. For example, the recesses can then also run along the swirl blades. However, many possibilities are conceivable here.
  • a swirl outlet R acc. Fig. 1 has a cover plate 1 in the use position, which is penetrated by recesses 2.
  • the recesses 2 are arranged in the manner of a paddle wheel and are arranged around an axis A of the cover plate 1.
  • the cover plate 1 also has an inner plate 3 and a bent edge strip 4 which runs around the inner plate 3.
  • the edge strip 4 forms, together with a frame 5, an annular air outlet gap 6. A relatively large amount of supply air can be introduced obliquely into a room through this air outlet gap 6.
  • the frame 5 has a diffuser-like cross section, ie it essentially consists of a funnel-shaped nozzle 7, to which a curved edge wall 8 is connected.
  • a diffuser-like cross section ie it essentially consists of a funnel-shaped nozzle 7, to which a curved edge wall 8 is connected.
  • FIG. 2 strikes an edge 9 of this edge wall 8 from below onto a ceiling 10, but it can also maintain a certain distance from this ceiling 10 and thereby form a horizontal outlet opening. This happens because that the frame 5 is rotatably inserted about the axis A in a holding frame 11 which is fixed to the ceiling 10 or to an air duct system, not shown.
  • a support star 12 In order to hold the frame 5 in the holding frame 11, a support star 12 has strips 13 placed thereon which, when inserted into the holding frame 11, rest on a recess 14 in the holding frame 11.
  • This indentation 14 is, as indicated in FIG. 2, formed obliquely ascending.
  • the frame 5 is more or less drawn into the holding frame 11 when rotating about the axis A, so that the edge 9 can maintain a more or less small distance from the ceiling 10.
  • an internal thread 15 is formed in the support star 12 and is penetrated by a threaded rod 16.
  • the threaded rod 16 holds the cover plate 1 between an Allen head 17 and a lock nut 18, here a cover 19 being integrally formed on the cover plate 1, into which the Allen head 17 is countersunk.
  • swirl blades 20 are connected to the sleeve 19 and are placed on the inner plate 3 from the inside like a paddle wheel. In the exemplary embodiment shown, they partially run along the recesses 2. If desired, the swirl blades 20 can also be inclined.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)

Abstract

In an outlet with a vortex flow for insertion into a ceiling (10) and for supplying air into a space, the air comes out of openings (2) in a cover plate (1). In this arrangement, the cover plate (1) is to form with a masking frame (5) an annular air outlet gap (6). <IMAGE>

Description

Die Erfindung betrifft einen Drallauslaß zum Einsetzen in eine Decke und zum Zuführen von Luft in einen Raum, wobei die Luft aus Ausnehmungen in einer Deckplatte austritt.The invention relates to a swirl outlet for insertion into a ceiling and for supplying air to a room, the air emerging from recesses in a cover plate.

Drallauslässe sind in vielfältiger Form und Ausführung bekannt. Beispielsweise sind gemäß der EP-OS 0 392 438 in eine Deckplatte sternförmig Schlitze eingeformt, denen angestellte Luftleitlamellen zugeordnet sind. Diese Luftleitlamellen bewirken, daß die Luft aus diesen sternförmigen Auslaßschlitzen mit einem Drall austritt.Twist outlets are known in many forms and designs. For example, according to EP-OS 0 392 438, slots are formed in a cover plate in a star shape, to which employed air-guiding blades are assigned. These air guide fins cause the air to exit from these star-shaped outlet slots with a swirl.

Aufgabe der vorliegenden Erfindung ist es, einen relativ kleinen Drallauslaß zu schaffen, bei dem die Luftaustrittsmenge variiert werden kann, und bei dem die Luft sowohl waagerecht als auch senkrecht austreten kann.The object of the present invention is to provide a relatively small swirl outlet in which the air outlet quantity can be varied and in which the air can escape both horizontally and vertically.

Zur Lösung dieser Aufgabe führt, daß die Deckplatte mit einem Blendrahmen einen ringförmigen Luftaustrittsspalt ausbildet.To achieve this object, the cover plate forms an annular air outlet gap with a frame.

Das bedeutet, daß die Zuluft nicht nur durch die oben erwähnten Ausnehmungen senkrecht in einen Raum eintreten kann, sondern daß ein Teil der Zuluft auch waagerecht zwischen Deckplatte und Blendrahmen austritt. Hierdurch wird der gesamte Luftstrahl auseinandergerissen, so daß relativ viel Luft in einen Raum eingebracht werden kann, ohne daß es zu Zugerscheinungen kommt. Mit einer Art Rundstrahl wird ein relativ hoher und schneller Temperaturabbau erreicht. Dies gilt vor allem für den Kühlfall. Problemlos werden mit diesem relativ kleinen Drallauslaß relativ große Luftmengen in einen Raum eingeführt.This means that the supply air can not only enter a room vertically through the above-mentioned recesses, but that part of the supply air also exits horizontally between the cover plate and the frame. As a result, the entire air jet is torn apart, so that relatively much air can be introduced into a room without causing drafts. A relatively high and rapid temperature reduction is achieved with a kind of round jet. This applies above all to cooling. With this relatively small swirl outlet, relatively large amounts of air are easily introduced into a room.

Die in der Deckplatte vorgesehenen Ausnehmungen können eine beliebige Zahl und Ausgestaltung haben. Sie richten sich nach den gegebenen Raumverhältnissen und Zulufttemperaturen.The recesses provided in the cover plate can have any number and configuration. They depend on the given room conditions and supply air temperatures.

Bevorzugt soll der Luftaustrittsspalt in seiner Größe veränderbar sein. Dies geschieht der Einfachheit halber dadurch, daß die Deckplatte in den Blendrahmen mittels einer Gewindestange eingesetzt ist, so daß die Deckplatte mehr oder weniger tief in den Blendrahmen eingeschraubt werden kann. Als Halterung für die Deckplatte bietet sich ein Trägerstern in dem Blendrahmen an, der bevorzugt in Achsrichtung des Drallauslasses ein Innengewinde aufweist, in welches die oben erwähnte Gewindestange eingreift.The size of the air outlet gap should preferably be changeable. This is done for the sake of simplicity in that the cover plate is inserted into the frame by means of a threaded rod, so that the cover plate can be screwed more or less deep into the frame. A support star in the frame offers itself as a holder for the cover plate, which preferably has an internal thread in the axial direction of the swirl outlet, in which the above-mentioned threaded rod engages.

Die Halterung der Deckplatte an der Gewindestange geschieht zwischen einem Inbuskopf, welcher der Gewindestange angeformt ist, und einer Kontermutter. Um der Deckplatte von unten her ein gewünschtes ästhetisches Bild zu geben, ist bevorzugt der Inbuskopf in eine Hülse eingesetzt, welche von innen her der Deckplatte angeformt ist.The cover plate is held on the threaded rod between an Allen head, which is molded onto the threaded rod, and a lock nut. In order to give the cover plate a desired aesthetic image from below, the Allen head is preferably inserted into a sleeve which is molded onto the cover plate from the inside.

Der Blendrahmen selbst weist bevorzugt einen trichterförmig sich nach außen erweiternden Stutzen auf, an den ein Randwall anschließt. Dieser Randwall bildet zusammen mit der Deckplatte bzw. mit einem Randstreifen der Deckplatte die oben erwähnte Luftaustrittsöffnung. Dieser Randstreifen kann gegenüber einem Innenteller der Deckplatte abgekröpft sein, so daß hierdurch die Schräge des ringförmigen Austrittsstrahles aus dem Luftaustrittsspalt bestimmt wird. Diese Schräge kann je nach Wunsch verändert werden.The window frame itself preferably has a funnel-shaped connecting piece, which is adjoined by an edge wall. This boundary wall forms together with the cover plate or with an edge strip of the cover plate, the above-mentioned air outlet opening. This edge strip can be bent relative to an inner plate of the cover plate, so that the slope of the annular exit jet from the air outlet gap is determined thereby. This slope can be changed as desired.

In einem bevorzugten Ausführungsbeispiel soll noch die Möglichkeit gegeben werden, daß auch Luft waagerecht entlang der Decke aus dem Drallauslaß ausströmen kann. Hierzu ist der Blendrahmen, welcher die Deckplatte hält, in gewissem Umfange lageveränderbar in einen Halterahmen eingesetzt, der den gesamten Drallauslaß an der Decke hält. Dieser Halterahmen besitzt Einformungen, auf denen sich Streifen abstützen, die wiederum am Trägerstern festliegen. Werden diese Einformungen schräg ansteigend ausgebildet, so kann durch Drehung des Blendrahmens dieser zusammen mit der Deckplatte mehr oder weniger in den Halterahmen eingezogen werden. Hierdurch wird ein Abstand, den eine Randkante an dem oben erwähnten Randwall des Blendrahmens von der Unterseite der Decke einhält, mehr oder weniger groß gehalten werden. Die Randkante bildet dann eine weitere Luftaustrittsöffnung zur Unterseite der Decke hin, so daß hier seitlich direkt an der Decke entlang eine entsprechende Zuluftmenge in den Raum austreten kann.In a preferred embodiment, the possibility should also be given that air can also flow horizontally along the ceiling from the swirl outlet. For this purpose, the cover frame, which holds the cover plate, is, to a certain extent, inserted into a holding frame, which holds the entire swirl outlet on the ceiling. This holding frame has indentations on which strips are supported, which in turn are fixed to the support star. If these indentations are designed to rise obliquely, then by rotating the window frame, it can be drawn more or less into the holding frame together with the cover plate. As a result, a distance which an edge at the edge wall of the frame mentioned above from the underside of the ceiling will be kept more or less large. The edge then forms a further air outlet opening to the underside of the ceiling, so that here a corresponding amount of supply air can escape into the room directly along the ceiling.

Um dem senkrecht aus den Ausnehmungen austretenden Luftstrahl den entsprechenden Drall mitzugeben, sollten der Deckplatte von innen her Drallschaufeln aufgesetzt sein. Diese Drallschaufeln verlaufen bevorzugt schaufelartig um die oben erwähnte Längsachse bzw. um die Gewindestange und können, falls gewünscht, schräg angestellt sein. Beispielsweise können dann die Ausnehmungen auch entlang den Drallschaufeln verlaufen. Hier sind jedoch viele Möglichkeiten denkbar.In order to give the corresponding swirl to the air jet emerging vertically from the recesses, swirl blades should be fitted on the cover plate from the inside. These swirl blades preferably run like blades around the above-mentioned longitudinal axis or around the threaded rod and, if desired, can be inclined. For example, the recesses can then also run along the swirl blades. However, many possibilities are conceivable here.

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 gern. Fig. 1 entlang Linie II - II;
  • Fig. 3 eine Draufsicht auf das Innere des Drallauslasses gem. Fig. 1.
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 likes a cross section through the swirl outlet. Fig. 1 along line II - II;
  • Fig. 3 is a plan view of the interior of the swirl outlet acc. Fig. 1.

Ein Drallauslaß R gem. Fig. 1 weist in Gebrauchslage sichtbar eine Deckplatte 1 auf, welche von Ausnehmungen 2 durchsetzt ist. Im vorliegenden Ausführungsbeispiel sind die Ausnehmungen 2 schaufelradartig gekrümmt um eine Achse A der Deckplatte 1 angeordnet. Dies ist aber nur ein Ausführungsbeispiel, es sind beliebige Variationen denkbar. Die Deckplatte 1 besitzt im übrigen im vorliegenden Beispiel einen Innenteller 3 und einen den Innenteller 3 umlaufenden abgekröpften Randstreifen 4.A swirl outlet R acc. Fig. 1 has a cover plate 1 in the use position, which is penetrated by recesses 2. In the present exemplary embodiment, the recesses 2 are arranged in the manner of a paddle wheel and are arranged around an axis A of the cover plate 1. However, this is only one embodiment; any variations are conceivable. In the present example, the cover plate 1 also has an inner plate 3 and a bent edge strip 4 which runs around the inner plate 3.

Der Randstreifen 4 bildet zusammen mit einem Blendrahmen 5 einen ringförmigen Luftaustrittsspalt 6 aus. Durch diesen Luftaustrittsspalt 6 kann eine relativ große Zuluftmenge schräg in einen Raum eingeführt werden.The edge strip 4 forms, together with a frame 5, an annular air outlet gap 6. A relatively large amount of supply air can be introduced obliquely into a room through this air outlet gap 6.

Der Blendrahmen 5 weist einen diffusorartigen Querschnitt auf, d.h., er besteht im wesentlichen aus einem trichterförmigen Stutzen 7, an den ein gekrümmter Randwall 8 anschließt. Im gezeigten Ausführungsbeispiel gern. Fig. 2 schlägt eine Randkante 9 dieses Randwalles 8 von unten her an eine Decke 10 an, sie kann jedoch auch einen gewissen Abstand von dieser Decke 10 einhalten und dadurch eine waagerechte Austrittsöffnung ausbilden. Dies geschieht dadurch, daß der Blendrahmen 5 drehbar um die Achse A in einen Halterahmen 11 eingesetzt ist, der an der Decke 10 oder an einem nicht näher gezeigten Luftführungssystem festliegt.The frame 5 has a diffuser-like cross section, ie it essentially consists of a funnel-shaped nozzle 7, to which a curved edge wall 8 is connected. In the embodiment shown, gladly. FIG. 2 strikes an edge 9 of this edge wall 8 from below onto a ceiling 10, but it can also maintain a certain distance from this ceiling 10 and thereby form a horizontal outlet opening. This happens because that the frame 5 is rotatably inserted about the axis A in a holding frame 11 which is fixed to the ceiling 10 or to an air duct system, not shown.

Zur Halterung des Blendrahmens 5 in dem Halterahmen 11 sind einem Trägerstern 12 Leisten 13 aufgesetzt, die beim Einsetzen in den Halterahmen 11 auf einer Einformung 14 in dem Halterahmen 11 aufliegen. Diese Einformung 14 ist, wie in Fig. 2 angedeutet, schräg aufsteigend ausgebildet. Hierdurch wird der Blendrahmen 5 beim Drehen um die Achse A mehr oder weniger in den Halterahmen 11 eingezogen, so daß die Randkante 9 einen mehr oder minder geringen Abstand von der Decke 10 einhalten kann.In order to hold the frame 5 in the holding frame 11, a support star 12 has strips 13 placed thereon which, when inserted into the holding frame 11, rest on a recess 14 in the holding frame 11. This indentation 14 is, as indicated in FIG. 2, formed obliquely ascending. As a result, the frame 5 is more or less drawn into the holding frame 11 when rotating about the axis A, so that the edge 9 can maintain a more or less small distance from the ceiling 10.

In Richtung der Achse A, die durch eine Mitte M des Trägersterns 12 verläuft, ist in den Trägerstern 12 ein Innengewinde 15 eingeformt, welches von einer Gewindestange 16 durchsetzt ist. Die Gewindestange 16 hält zwischen einem Inbuskopf 17 und einer Kontermutter 18 die Deckplatte 1, wobei hier der Deckplatte 1 von innen her eine Hülse 19 angeformt ist, in die der Inbuskopf 17 versenkt ist.In the direction of the axis A, which runs through a center M of the support star 12, an internal thread 15 is formed in the support star 12 and is penetrated by a threaded rod 16. The threaded rod 16 holds the cover plate 1 between an Allen head 17 and a lock nut 18, here a cover 19 being integrally formed on the cover plate 1, into which the Allen head 17 is countersunk.

Ferner sind mit der Hülse 19 Drallschaufeln 20 verbunden, die schaufelradartig von innen her auf den Innenteller 3 aufgesetzt sind. Im gezeigten Ausführungsbeispiel verlaufen sie teilweise entlang den Ausnehmungen 2. Falls gewünscht, können die Drallschaufeln 20 auch schräg angestellt sein.

Figure imgb0001
Furthermore, swirl blades 20 are connected to the sleeve 19 and are placed on the inner plate 3 from the inside like a paddle wheel. In the exemplary embodiment shown, they partially run along the recesses 2. If desired, the swirl blades 20 can also be inclined.
Figure imgb0001

Claims (11)

Drallauslaß zum Einsetzen in eine Decke (10) und zum Zuführen von Luft in einen Raum, wobei die Luft aus Ausnehmungen (2) in einer Deckplatte (1) austritt,
dadurch gekennzeichnet,
daß die Deckplatte (1) mit einem Blendrahmen (5) einen ringförmigen Luftaustrittsspalt (6) ausbildet.Swirl outlet for insertion into a ceiling (10) and for supplying air into a room, the air emerging from recesses (2) in a cover plate (1),
characterized,
that the cover plate (1) with an outer frame (5) forms an annular air outlet gap (6). Drallauslaß nach Anspruch 1, dadurch gekennzeichnet, daß die Größe des Luftaustrittsspaltes (6) veränderbar ist.Swirl outlet according to claim 1, characterized in that the size of the air outlet gap (6) can be changed. Drallauslaß nach Anspruch 2, dadurch gekennzeichnet, daß die Deckplatte (1) über eine Gewindestange (16) mit dem Blendrahmen (5) verbunden ist.Swirl outlet according to claim 2, characterized in that the cover plate (1) is connected to the frame (5) via a threaded rod (16). Drallauslaß nach Anspruch 3, dadurch gekennzeichnet, daß die Gewindestange (16) ein Innengewinde (15) in einem Trägerstern (12) an dem Blendrahmen (5) durchsetzt.Swirl outlet according to claim 3, characterized in that the threaded rod (16) passes through an internal thread (15) in a support star (12) on the frame (5). Drallauslaß nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß an die Gewindestange (16) ein Inbuskopf (17) anschließt, der in einer der Deckplatte (1) angeformten Hülse (19) sitzt und durch eine Mutter (18) gekontert ist.Swirl outlet according to Claim 3 or 4, characterized in that an Allen head (17) adjoins the threaded rod (16), which is seated in a sleeve (19) molded onto the cover plate (1) and is countered by a nut (18). Drallauslaß nach wenigstens einem der Ansprüch 1 - 5, dadurch gekennzeichnet, daß der Blendrahmen (5) einen trichterförmigen Stutzen (7) mit anschließendem Randwall (8) aufweist, wobei der Randwall (8) mit einem abgekröpften Randstreifen (4) der Deckplatte (1) den Luftaustrittsspalt (6) ausbildet.Swirl outlet according to at least one of Claims 1 - 5, characterized in that the frame (5) has a funnel-shaped connecting piece (7) with an adjoining edge wall (8), the edge wall (8) having a cranked edge strip (4) of the cover plate (1 ) forms the air outlet gap (6). Drallauslaß nach Anspruch 6, dadurch gekennzeichnet, daß der Randwall (8) in einer Randkante (9) endet, deren Abstand von der Decke (10) veränderbar ist.Swirl outlet according to claim 6, characterized in that the edge wall (8) ends in an edge edge (9) whose distance from the ceiling (10) can be changed. Drallauslaß nach Anspruch 7, dadurch gekennzeichnet, daß der Blendrahmen (5) in einen Halterahmen (11) eingesetzt ist, wobei dem Trägerstern (12) aufgesetzte Leisten (13) auf Einformungen (14) sitzen.Swirl outlet according to claim 7, characterized in that the cover frame (5) is inserted into a holding frame (11), with strips (13) placed on the support star (12) being seated on indentations (14). Drallauslaß nach Anspruch 8, dadurch gekennzeichnet, daß die Einformungen (14) schräg ansteigend ausgebildet sind.Swirl outlet according to claim 8, characterized in that the indentations (14) are designed to rise obliquely. Drallauslaß nach wenigstens einem der Ansprüche 1 - 9, dadurch gekennzeichnet, daß auf die Deckplatte (1) Drallschaufeln (20) aufgesetzt sind.Swirl outlet according to at least one of claims 1-9, characterized in that swirl blades (20) are placed on the cover plate (1). Drallauslaß nach Anspruch 10, dadurch gekennzeichnet, daß die Drallschaufeln (20) schräg angestellt sind und von der Hülse (19) weg schaufelradartig verlaufen.Swirl outlet according to claim 10, characterized in that the swirl blades (20) are set at an angle and run away from the sleeve (19) like a blade wheel.
EP94108659A 1993-06-14 1994-06-07 Outlet with a vortex flow Withdrawn EP0632235A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9308798U DE9308798U1 (en) 1993-06-14 1993-06-14 Swirl outlet
DE9308798U 1993-06-14

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US2398938A (en) * 1943-05-21 1946-04-23 Anemostat Corp Air outlet device for ventilating apparatus
GB647816A (en) * 1948-09-14 1950-12-20 Norvent Ltd Improvements in or connected with ventilating apparatus
DE1146640B (en) * 1956-11-17 1963-04-04 Iain Maxwell Stewart Device for distributing air flowing out of a supply line
DE9303880U1 (en) * 1993-03-19 1993-06-03 "Schako" Metallwarenfabrik Ferdinand Schad Kg Zweigniederlassung Kolbingen, 7201 Kolbingen, De

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995023318A1 (en) * 1994-02-23 1995-08-31 Schako Metallwarenfabrik Ferdinand Schad Kg Rotary-flow air outlet
GB2297157A (en) * 1995-01-20 1996-07-24 Halton Oy Air intake and method of operation
FR2729745A1 (en) * 1995-01-20 1996-07-26 Halton Oy INTAKE AIR DEVICE AND METHOD FOR CONTROLLING AN INTAKE AIR DEVICE
GB2297157B (en) * 1995-01-20 1997-01-08 Halton Oy Device for intake air and method for regulation of a device for intake air
DE19719879B4 (en) * 1996-05-28 2009-10-08 Halton Oy Air distribution device
NL1030021C2 (en) * 2005-09-23 2007-03-26 Nijburg Invest B V Ventilation grid.

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