EP0267486B1 - Dispositif pour diriger un courant d'air - Google Patents

Dispositif pour diriger un courant d'air Download PDF

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Publication number
EP0267486B1
EP0267486B1 EP87115721A EP87115721A EP0267486B1 EP 0267486 B1 EP0267486 B1 EP 0267486B1 EP 87115721 A EP87115721 A EP 87115721A EP 87115721 A EP87115721 A EP 87115721A EP 0267486 B1 EP0267486 B1 EP 0267486B1
Authority
EP
European Patent Office
Prior art keywords
lamellae
air
lamella
pair
pivots
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
EP87115721A
Other languages
German (de)
English (en)
Other versions
EP0267486A3 (en
EP0267486A2 (fr
Inventor
Wilhelm Ing. Grad. Habel
Gerwin Dipl.-Ing. Klaner
Gustav Leuchtmann
Klaus Dipl.-Ing. Minnerop
Norbert Dipl.-Ing. Steinhoff
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.)
Happel & Co GmbH
Original Assignee
Happel & Co GmbH
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 Happel & Co GmbH filed Critical Happel & Co GmbH
Priority to AT87115721T priority Critical patent/ATE57251T1/de
Publication of EP0267486A2 publication Critical patent/EP0267486A2/fr
Publication of EP0267486A3 publication Critical patent/EP0267486A3/de
Application granted granted Critical
Publication of EP0267486B1 publication Critical patent/EP0267486B1/fr
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
    • 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
    • F24F13/072—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser of elongated shape, e.g. between ceiling panels
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1413—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades

Definitions

  • the invention relates to a device for guiding an air flow through lamellae, which are arranged at the outlet of an air flow-guiding, in particular generating device, wherein two lamellae with their lateral longitudinal edges facing the airflow source are articulated rotatably on an axis or two axes lying close to each other, to form a pair of lamellae which forms air ducts with adjacent pairs of lamellae, the width of which can be changed by pivoting the lamellae.
  • V-shaped lamellae are known from the outlet of a device guiding an air flow from US Pat. No. 2,224,312.
  • the individual adjustment of the slats means that the air flows emerging between the pairs of slats are different in strength and direction from one another. In particular, this is intended to achieve a uniform air flow when an air flow is branched off. After an initial setting, this setting should be retained permanently.
  • the object of the invention is to improve an air guiding device of the type mentioned in such a way that the penetrating parts into the space can be easily and exactly changed.
  • the lamellae are continuously adjustable by pivoting such that in a flow direction in and after the air channels in the direction of the incoming air, the air channels have a smaller width than in an oblique direction to the incoming air, and that the lamellae are adjustable by means of a linkage, one slat of a pair of slats being adjustable independently of the second slat of the same pair of slats.
  • the lamellae or profiles form the smallest free flow cross sections between them, as a result of which very high air flow velocities are achieved in the channels, so that the emerging air reaches a great depth of penetration.
  • the profiles are arranged so obliquely to one another that the air ducts between them deviate from the incoming direction, the profiles form larger free flow cross sections between them, which lead to a wider distribution of the outflowing air in the room.
  • the former setting is particularly advantageous in the case of air outlets arranged on the ceiling of rooms, the air flowing vertically downwards and the second arrangement being particularly advantageous in the case of outlets arranged on the walls of rooms.
  • the slats are adjustable by means of a linkage.
  • every second lamella can be articulated on a first rod at right angles to the incoming air and the remaining lamellae on a second rod.
  • any fraction, preferably one half, of the pairs of plates lying next to one another can be adjusted jointly but independently of the pairs of plates of the other group.
  • the slats are coupled to one another in such a way that when one slat half is moved outwards, the other slat half is adjusted in the opposite direction outwards.
  • Air outlet speed and mixing with the room air are further improved in that the lateral end faces of the intermediate space of each pair of lamellae are open in order to allow secondary air to enter.
  • the pairs of lamellae are fastened in front of the outlet so that secondary air can enter the intermediate spaces freely.
  • the axes of a number, in particular one half, of the lamellae lie in a plane which is at an angle a to the plane of the other axes.
  • the angle a can be 30 to 120 °, in particular approximately 90 ° .
  • the lamellae are articulated on the sides of a truncated pyramid.
  • the axes of the lamellae lie in a cylindrical surface.
  • the device has a plurality of lamellae 1a, 1b, which can also be called flat profiles, flaps, baffles, Venetian blind profiles and of which two 1 a, 1 b each form a pair of lamellae 2.
  • the slats 1 a, 1 b are articulated at one end to an axis 3.
  • This axis 3 is on the side of the pair of fins facing the air flow source, so that the incoming air 4 first hits the axis 3 and then reaches air channels 5, which are each formed between the pairs of fins 2.
  • the mutually adjacent slats 1 a, 1 b of two different pairs of slats each form an air channel between them, which tapers towards the outside in the flow direction 6.
  • the axis of rotation is provided with a radius in the direction of flow, which ensures an aerodynamically favorable flow to the air channels.
  • the slats 1a, 1, which can be rotated about the axis 3, can be adjusted such that the space 7 between two slats of a pair of slats 2 becomes smaller and the air duct 5 becomes larger and the space larger and the air duct 5 correspondingly smaller.
  • the position shown in FIG. 1 shows a minimum width B of the air channels 5, so that the air emerging thereby reaches a very high speed and thus a large depth of space.
  • the outflow direction 8 is the same or parallel to the inflow direction 6.
  • the slats 1 a are not adjusted by the same angle of rotation as the slats 1 b, but one of the two slat types 1 a or 1 b is rotated more than the other, so that the iri shown in Figure 2 oblique middle position is reached. Because of the larger width B, the outflow velocity is lower than in FIG. 1, so that the lower outlet velocities of the supply air result in a lower penetration depth. If the fins are pivoted even more in an inclined position, the fins 1a in turn being rotated more counterclockwise downward than the fins 1b, the position shown in FIG. 3 is generated in which the largest free flow cross section (B maximum) and a maximum Inclination and thus outflow deflection is created. The penetration depth achieved is relatively small but the air deflection is relatively large.
  • At least one lamella 1a is connected to a lamella 1 via an inclined articulated rod 13, this articulated rod 13 being inclined to the incoming air and to the rods 10, 11.
  • the articulation point 14 of the rod 13 on the lamella 1b is thus at a different distance A1 than the distance A2 between the articulation point 15 of the rod 13 on the lamella 1a and the axis 3.
  • the joints and articulation points can be formed by screw channels 16, which are formed on the inside of the lamellae.
  • the outer surfaces of the lamellae 1a, 1 are convex, so that the air channels operate in a nozzle-like manner.
  • the exemplary embodiment according to FIGS. 4 to 6 differs from that according to FIGS. 1 to 3 in that part 2a of the slats can be pivoted to one side and the other part 2b of the slats to the other side, so that the inflowing air flow is divided.
  • Such a division of the air flow into two opposite sides is particularly advantageous if the air outlet is on the ceiling of a room or hall.
  • the linkage is divided into two pairs of rods 10, 11, of which one pair of rods controls a lamella part 2a and the other pair of rods controls the second lamella part 2b.
  • actuating rods are articulated on the rods so that when the slats of one part 2a or half are pivoted, the other part 2b or the other half is pivoted in the opposite direction of rotation.
  • the lamellae 1a, 1b of a single pair of lamellae 2 form between them the intermediate space 7, which is open towards the end faces, for secondary purposes to let air in. This secondary air then flows out in the outflow direction 8, since it is carried along by the air flowing through the air channels 5.
  • the fins are arranged so far in front of the outlet of a device or an air duct that the end faces are free.
  • one half of the lamellae and thus four lamellae 1a, 1b are fastened to the edge of a first outlet opening 17 which is inclined at 45 ° to the inlet opening 19, the second outlet opening 18 being at an angle of 90 ° to the first outlet opening 17 and forms an angle of 45 ° to the inlet opening 19.
  • the three openings 17, 18, 19 thus form a straight prism with a right-angled and isosceles triangle as the base.
  • four outlet openings can also be provided, which form a truncated pyramid, the base of which forms the inlet opening. In this case, the upper surface of the stump parallel to the inlet opening can form a further outlet opening.
  • FIGS. 9 and 10 differs from that according to FIGS. 7 and 8 essentially in that the rods 10, 11, 13 connecting the slats 1 a, 13 are shown and between the innermost and thus the lowest two slats in the interior of the housing an air baffle 23 bent at a right angle is arranged, which prevents air flow between these two fins.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Duct Arrangements (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Looms (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Gas-Insulated Switchgears (AREA)
  • Braking Arrangements (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Control Of Electric Motors In General (AREA)
  • Emergency Protection Circuit Devices (AREA)

Claims (13)

1. Dispositif pour diriger un courant d'air à travers des lamelles (1 a, 1b) parallèles entre elles qui sont disposées à la sortie d'un dispositif guidant, en particulier créant le courant d'air, deux lamelles (1 a, 1b) à chaque fois étant articulées pivotantes par leurs arêtes longitudinales latérales tournées vers la source de courant d'air à un axe (3) ou à deux axes se trouvant près l'un de l'autre, afin de former une paire de lamelles (2) qui forme avec des paires de lamelles (2) voisines des canaux d'air (5) dont la largeur peut être modifiée par pivotement des lamelles (1a, 1 b), caractérisé en ce que les lamelles (1 a, 1b) sont réglables en permanence par pivotement de telle manière que, dans le cas d'une direction d'écoulement (8) dans et après les canaux d'air (5) dans la direction de l'air affluant (6), les canaux d'air (5) présentent une largeur (B) plus faible que dans une direction oblique par rapport à l'air affluant (6), et que les lamelles (1a, 1b) sont déplaçables au moyen d'une tringlerie (9, 10 et 11), une lamelle (1a) d'une paire de lamelles (2) étant déplaçable à chaque fois indépendamment de la seconde lamelle de la même paire de lamelles (2).
2. Dispositif selon la revendication 1, caractérisé en ce qu'une lamelle (1a) sur deux est articulée à une première tringle (10) orthogonale à l'air affluant et les autres lamelles (1b) à une seconde tringle (11).
3. Dispositif selon la revendication 1 ou 2, caractérisé en ce qu'une moitié des paires de lamelles (2) se trouvant côte à côte est déplaçable indépendamment des paires de lamelles (2) de la seconde moitié.
4. Dispositif selon la revendication 3, caractérisé en ce que les lamelles (1 a, 1 b) sont accouplées entre elles de telle manière que dans le cas d'un déplacement d'une partie de lamelle (2a) vers l'extérieur, l'autre partie de lamelle (2b) est déplacée vers l'extérieur dans la direction opposée.
5. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les lamelles (1 a, 1 b) présentent une section transversale bombée, les surfaces extérieures qui forment le canal d'air étant conformées convexes.
6. Dispositif selon l'une des revendications précédentes, caractérisé en ce que des canaux à vis (16) disposés longitudinalement sont conformés sur les faces intérieures des lamelles.
7. Dispositif selon l'une des revendications précédentes, caractérisé en ce qu'au moins une lamelle (1 a) d'une paire de lamelles (2) est reliée par une tige d'articulation (13) à la lamelle (1b) d'une autre paire de lamelles (2) qui ne se trouve pas parallèle à la première lamelle (1a), les deux points d'articulation (14, 15) se trouvant à des distances (A1) et (A2), différentes de l'axe (3).
8. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les côtés frontaux latéraux de l'espace intermédiaire (7) de chaque paire de lamelles (2) sont ouverts pour laisser pénétrer l'air secondaire.
9. Dispositif selon la revendication 8, caractérisé en ce que, pour une entrée libre de l'air secondaire dans les espaces intermédiaires (7), les paires de lamelles (2) sont fixées avant la sortie.
10. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les axes (3) d'un certain nombre des lamelles (1a, 1b), en particulier de la moitié, se trouvent dans un plan qui forme un angle (a) avec le plan des autres axes (3).
11. Dispositif selon la revendication 10, caractérisé en ce que l'angle (a) est de 30 à 120°, en particulier d'environ 90°.
12. Dispositif selon la revendication 10 ou 11, caractérisé en ce que les lamelles (1a, 1b) sont articulées sur les faces d'un tronc de pyramide.
13. Dispositif selon l'une des revendications 1 à 9, caractérisé en ce que les axes (3) des lamelles (1a, 1 b) se trouvent dans une surface cylindrique.
EP87115721A 1986-11-12 1987-10-27 Dispositif pour diriger un courant d'air Expired - Lifetime EP0267486B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87115721T ATE57251T1 (de) 1986-11-12 1987-10-27 Vorrichtung zum leiten eines luftstroms.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3638614 1986-11-12
DE19863638614 DE3638614A1 (de) 1986-11-12 1986-11-12 Vorrichtung zum leiten eines luftstroms

Publications (3)

Publication Number Publication Date
EP0267486A2 EP0267486A2 (fr) 1988-05-18
EP0267486A3 EP0267486A3 (en) 1989-03-15
EP0267486B1 true EP0267486B1 (fr) 1990-10-03

Family

ID=6313759

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87115721A Expired - Lifetime EP0267486B1 (fr) 1986-11-12 1987-10-27 Dispositif pour diriger un courant d'air

Country Status (6)

Country Link
EP (1) EP0267486B1 (fr)
AT (1) ATE57251T1 (fr)
DD (1) DD262892A5 (fr)
DE (2) DE3638614A1 (fr)
ES (1) ES2018230B3 (fr)
GR (1) GR3001241T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4431314A1 (de) * 1994-09-02 1996-03-07 Ttl Tuer & Torluftschleier Luf Luftauslaß

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH068517Y2 (ja) * 1989-03-10 1994-03-02 トヨタ自動車株式会社 変動風発生装置
DE3914241A1 (de) * 1989-04-29 1990-10-31 Happel Gmbh & Co Vorrichtung zum leiten eines luftstromes
DE4133734A1 (de) * 1991-10-11 1993-04-22 Gea Happel Klimatechnik Luftheiz- und/oder kuehlgeraet
IT1260793B (it) * 1992-03-19 1996-04-22 Serranda dell'aria modulante ad intercettazione stagna del flusso
AT400896B (de) * 1992-06-17 1996-04-25 Troges Gmbh Drehbare lamelle
DE4305928C2 (de) * 1993-02-26 1997-09-11 Rahmer & Jansen Gmbh Vorrichtung und Verfahren zum Kühlen von flüssigen und gasförmigen Medien mittels Luft
FR2729461B1 (fr) * 1995-01-17 1997-04-18 Cerga Dispositif de reglage de la section de passage d'une bouche de ventilation d'air d'un local
CN104764182B (zh) * 2015-02-13 2018-05-01 广东美的制冷设备有限公司 百叶机构及具有其的出风装置
CN107250684B (zh) * 2015-03-05 2020-02-18 沃尔纳多航空有限公司 带有脉纹件控制系统的空气循环器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2224312A (en) * 1935-01-17 1940-12-10 Preferred Utilities Company In Permanent outlet control device
US2799989A (en) * 1954-09-24 1957-07-23 Peter G Kappus Variable area jet nozzle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4431314A1 (de) * 1994-09-02 1996-03-07 Ttl Tuer & Torluftschleier Luf Luftauslaß
DE4431314C2 (de) * 1994-09-02 1998-07-02 Ttl Tuer & Torluftschleier Luf Luftauslaß

Also Published As

Publication number Publication date
ATE57251T1 (de) 1990-10-15
EP0267486A3 (en) 1989-03-15
ES2018230B3 (es) 1991-04-01
DD262892A5 (de) 1988-12-14
EP0267486A2 (fr) 1988-05-18
DE3765388D1 (de) 1990-11-08
GR3001241T3 (en) 1992-07-30
DE3638614A1 (de) 1988-05-26

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