EP1028296A2 - Querstromlüfter Cross flow fan Ventilateur à courant transversal - Google Patents
Querstromlüfter Cross flow fan Ventilateur à courant transversal Download PDFInfo
- Publication number
- EP1028296A2 EP1028296A2 EP99124723A EP99124723A EP1028296A2 EP 1028296 A2 EP1028296 A2 EP 1028296A2 EP 99124723 A EP99124723 A EP 99124723A EP 99124723 A EP99124723 A EP 99124723A EP 1028296 A2 EP1028296 A2 EP 1028296A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- panel
- plate
- cross
- hood
- flow fan
- 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- Withdrawn
Links
Images
Classifications
-
- 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
- F24F7/02—Roof ventilation
- F24F7/025—Roof ventilation with forced air circulation by means of a built-in ventilator
-
- 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
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
Definitions
- the subject of the innovation is a cross-flow fan according to claim 1.
- Cross-flow fans of the aforementioned type are already known from the DE-U1-94 14 621.
- the cross-flow fan consists of a pressure chamber covering the pressure chamber Guide element, a separation between suction and pressure chamber and at least a fan roller rotatably mounted in side parts with approximately parallel to Blade edges extending in the axis of rotation. It is with the cross flow fan provided that the guide element starting from a line of the largest Approaching the circumference of the fan roller with itself preferably continuously distance from the circumference of the fan roller.
- the pressure element comprising the pressure chamber inner boundary surface of one of a frame-like plate, a board and is a panel worn hood, and that one over the bottom of the Plate, panel or panel protruding peripheral part of the fan roller from a detachably attached, overall air-permeable Shielding trough is included.
- the hood stands over the plate Board or panel facing outwards while the shielding trough is facing Protrudes inside the room.
- To separate the suction and pressure chamber is one Profiled rail attached to one edge of the cutout, with one leg close to the fan roller to avoid flow losses.
- a ventilation device in which in a fan is arranged on a housing fastened to a panel.
- the Fan is designed as a radial fan, which deflects the intake air by 90 ° promotes to the outside.
- Both DE-U1-94 14 621 and DE 40 23 494 C1 only serve the removal of air, for example from a building or the like. and will preferably used in the roof area.
- the object of the invention is a cross-flow fan of the type mentioned to create, which offers an improved air flow with a simple structure.
- the assembly of the cross-flow fan is simplified, since that There is no need to attach the special profile rail. Only the manufacture of the Clipping is still necessary. This also eliminates the production Warehousing and assembly of the profile rail, but at the same time the performance of the cross-flow fan also increased, as measurements show to have. This is due to the fact that the cross-flow fan is approximately works without pressure - i.e. free blowing - on the other hand the pressure build-up by the Profile strip also includes certain friction losses. At the same time that forms Panel two scraper edges, with a swirl at the lower edge forms, through which the cross-flow fan works particularly quietly.
- An advantageous embodiment provides that the fan roller for predominantly below the plate, board or panel is arranged and not over the top edge of the plate, board or Protrudes panels. This allows a hood to protrude above the panel or the like can be dispensed with and it becomes an externally inconspicuous Accommodation brings about.
- the Hood to the plate, the panel or the panel pivotally arranged is.
- the hood or plate level on the side facing the plate, board or panel is trained.
- the cross-sectional fan 1 cross-sectioned in the drawing works with at least one driven by an electric motor (not shown) Fan roller 2 and is with a pressure chamber 3a Guide element 4 and a pressure chamber 3a against a suction chamber 3b delimiting tongue or separation 5.
- the fan roller 2 is with a ring of blades, the blade edges approximately are aligned parallel to the axis of rotation.
- the guide element 4 is a plate or hood 8th formed, which is shown in the drawing in the open state.
- Plate 8 is flat on the side assigned to the fan roller 2 and lies in the closed state over a section 9 of a flat plate, board or panel 7, only the term panel being used in the following finds.
- the panel 7 is, for example, part of a roof - e.g. of the roof a winter garden or the like - and can be compared to the Horizontal incline, so that the panel 7 in the drawing sloping right into the load-bearing structure of the conservatory or roof can be integrated and from profiles of the winter garden or the roof similar to a disc.
- the hood 8 is in the illustrated embodiment by a Panel 7 attached hinge 10 assigned to this pivotable and is a - not shown here - power drive from the closed position transferred to the opening position shown. In the closed position of the hood 8 this completely covers the cutout 9 and protects the cross-flow fan 1 from weather influences, but also prevents drafts from the Section 9.
- the Fan roller 2 is together with the power drive for moving the hood 8 attached to the panel 7, so that the fan roller 2, as well as the power drive after removing the shielding trough 13 accessible from the inside of the room is.
- the shielding trough 13 serves on the one hand to provide optical shielding the fan roller 2, but is also used for air guidance.
- the shielding trough 13 are laterally and below the fan roller 2 Arranged openings 14 provided through the air from the interior of the room 11 can be sucked. At least one side of the shielding trough 13 is in the Embodiment formed without openings 14, so that here - in Connection with the guide element 4 - a pressure build-up can take place.
- the air is guided outwards along the inner edge of the shielding recess 13, the separation or tongue 5 to avoid entrainment of the flow is formed by the straight and sharp-edged edge 7 'of the panel 7. It is of course also possible that the edge 7 'sloping is provided, whereby the separation can be improved. But it did shown that the straight cut of the edge on the lower Panel edge 7 "forms a swirl that leads to an almost silent Operation contributes.
- the inclined or straight edge can be done by a Saw cut are generated with which the cutout 9 in the panel 7 is introduced.
- the fan roller 2 is for predominantly arranged below the panel 7 and does not protrude the upper edge 15 of the panel 7 in front.
- An arrangement of the is concrete Fan roller 2 is provided, in which - based on the diameter 19 of Ventilation roller 2 - an upper distance 20 from the upper edge 15 of the panel 7 is set, which is about 10% of the diameter 19 and of front sharp-edged tongue - the separation 5 - a distance 21 maintained which is dimensioned somewhat smaller (about 40%) than the radius of the Ventilation roller 2.
- the width of the cutout 9 is approximately that 1.2 times the diameter 19 of the ventilation roller 2.
- the hood 8 is inclined relative to the panel 7 by approximately 30 ° to 40 °.
- the shielding trough 13 is approximately the same on all sides from the scope of the Fan roller 2 removed, but approaches this in the lower area.
- the rear - the left area in the drawing - the shielding trough 13 forms, as already explained in more detail above, an air guide element and is formed without openings 14.
- the lower one, approximately in the drawing horizontally extending portion 25 forms a scraper edge 26 on which the through the fan roller 2 moving flow is guided along.
- the shielding trough 13 is U-shaped in the exemplary embodiment shown formed and consists of a thin-walled molded body, for example made of sheet metal or plastic.
- the production from plastic offers the Advantage that the shape of the shielding trough 13 by vacuum deep drawing or is easy and inexpensive to manufacture by injection molding. It's next to that illustrated embodiment of course also possible that the shape the shielding trough 13 to the size and dimension of profile sections is adjusted, which carry the roof structure and thus the panel 7. This results in an inconspicuous arrangement of the shielding trough 13 Integration into the roof structure guaranteed.
- the longitudinal dimension of the shielding trough 13 may be shortened prefabricated profile sections possible with simple means, so that a Design of the shielding trough 13 as a profile is also possible.
- the hood 8 is displaceable parallel to the panel 7 is arranged.
- the hood 8 is in lateral guides on the panel 7 attached and in via a power drive, for example by means of chains or the like withdrawn a position in which the hood 8 approximately the cutout 9 fully releases. But there is an air duct according to that Guide element 4 necessary.
- the front end of the Hood 8 are provided with a radius that is approximately concentric to Fan roller 2 runs and thereby corresponds to a spiral arc expanded.
- the overall height and the space occupied can Operating position of the cross-flow fan 1 can be reduced again. So is for example when using a cross-flow fan 1 in the roof area conserveatory usually runs close to the roof Shading system provided when using conventional hoods can not be used or correspondingly far from the roof surface must be spaced.
- Another advantage of parallel to panel 7 sliding hood 8 is also a weight-independent Arrangement of the hood 8, which may be due to a larger dimensions small-sized power drive is displaceable.
- pivotable hood 8 about 100 mm from the upper edge 15 of the panel 7 set up so that also led close to the upper edge 15 of the panel 7 Shading systems can be used.
- the cross-flow fan 1 via a appropriate control is coupled to the shading system, so that the Hood 8 is automatically closed when the shading system moves and only opens when the shading system is fully open or is closed.
- the meeting of the hood 8 with the completely Open shading system is usually not critical as it is off Sheets of fabric exist, which upon contact with the hood 8 easily give in.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Walking Sticks, Umbrellas, And Fans (AREA)
Abstract
Description
- 1
- Querstromlüfter
- 2
- Lüfterwalze
- 3a
- Druckraum
- 3b
- Saugraum
- 4
- Leitelement
- 5
- Trennung
- 7
- Paneel
- 7'
- Kante
- 7"
- untere Kante
- 8
- Haube
- 9
- Ausschnitt
- 10
- Scharnier
- 11
- Rauminnenseite
- 13
- Lüfterwalze
- 14
- Öffnungen
- 15
- Oberkante des Paneels
- 19
- Durchmesser der Lüfterwalze
- 20
- Abstand
- 21
- Abstand
- 25
- Abschnitt
- 26
- Abstreifkante
- 27
- gewölbter Bereich
- 28
- Längskante
Claims (5)
- Querstromlüfter (1), bestehend auseinem den Druckraum (3a) umfassenden Leitelement (4),einer Trennung oder Zunge (5) zwischen Saugraum (3b) und Druckraum (3a)und mindestens einer drehbar gelagerten Lüfterwalze (2) mit in etwa parallel zur Drehachse verlaufenden Schaufelkanten,wobei das den Druckraum (3a) umfassende Leitelement (4) die innere Begrenzungsfläche einer von einer rahmenartigen Platte, einer Tafel oder einem Paneel (7) getragenen Haube, Platte o. dgl. (8) ist,und daß ein über die Unterseite der Platte, der Tafel oder des Paneels (7) um ein Maß (12) vorstehender Umfangsteil der Lüfterwalze (2) von einer hieran lösbar befestigten, luftdurchlässigen Abschirmmulde (13) aufgenommen ist,
daß die Lüfterwalze (2) bezüglich des Ausschnitts (9) eine Lage einnimmt, bei der eine Kante (7) des Ausschnitts (9) als Trennung (5) des Saugraums (3b) zum Druckraum (3a) wirkt. - Querstromlüfter nach Anspruch 1,
dadurch gekennzeichnet,
daß die Lüfterwalze (2) zum überwiegenden Teil unterhalb der Platte, der Tafel oder des Paneels (7) angeordnet ist und nicht über die Oberkante der Platte, der Tafel oder des Paneels (7) vorragt. - Querstromlüfter nach einem der Ansprüche 1 und 2,
dadurch gekennzeichnet,
daß die luftdurchlässige Abschirmmulde (13) bereichsweise als Leitelement (4) wirkt. - Querstromlüfter nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß die Haube oder Platte (8) zu der Platte, der Tafel oder dem Paneel (7) schwenkbeweglich angeordnet ist. - Querstromlüfter nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
daß die Haube oder Platte (8) auf der der Platte, der Tafel oder dem Paneel (7) zugewandten Seite ebenen ausgebildet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29902121U DE29902121U1 (de) | 1999-02-09 | 1999-02-09 | Querstromlüfter |
DE29902121U | 1999-02-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1028296A2 true EP1028296A2 (de) | 2000-08-16 |
EP1028296A3 EP1028296A3 (de) | 2005-08-10 |
Family
ID=8069048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99124723A Withdrawn EP1028296A3 (de) | 1999-02-09 | 1999-12-11 | Querstromlüfter |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1028296A3 (de) |
DE (1) | DE29902121U1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1503150A1 (de) * | 2003-07-31 | 2005-02-02 | Conservatory Ventilation Company Ltd. | Auf dem Dach montierte Belüftungssystem |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4023494C1 (en) | 1990-07-24 | 1992-01-30 | Altura Leiden Holding B.V., Maastricht, Nl | Ventilator for greenhouse roof - has hood mounted on plate and incorporates adjustable shutters |
DE9414621U1 (de) | 1994-09-09 | 1996-01-25 | Siegenia-Frank Kg, 57074 Siegen | Querstromlüfter |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3828852A1 (de) * | 1988-08-25 | 1990-03-08 | Heinrich Dipl Ing Krage | Lueftungseinrichtung |
DE9301542U1 (de) * | 1993-02-04 | 1994-06-01 | Siegenia-Frank Kg, 57074 Siegen | Lüftergehäuse zur Anordnung in einer Durchlaßöffnung |
ATE171519T1 (de) * | 1994-09-09 | 1998-10-15 | Siegenia Frank Kg | Querstromlüfter |
-
1999
- 1999-02-09 DE DE29902121U patent/DE29902121U1/de not_active Expired - Lifetime
- 1999-12-11 EP EP99124723A patent/EP1028296A3/de not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4023494C1 (en) | 1990-07-24 | 1992-01-30 | Altura Leiden Holding B.V., Maastricht, Nl | Ventilator for greenhouse roof - has hood mounted on plate and incorporates adjustable shutters |
DE9414621U1 (de) | 1994-09-09 | 1996-01-25 | Siegenia-Frank Kg, 57074 Siegen | Querstromlüfter |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1503150A1 (de) * | 2003-07-31 | 2005-02-02 | Conservatory Ventilation Company Ltd. | Auf dem Dach montierte Belüftungssystem |
Also Published As
Publication number | Publication date |
---|---|
DE29902121U1 (de) | 1999-06-10 |
EP1028296A3 (de) | 2005-08-10 |
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