EP0451902B1 - Adjustable ventilator - Google Patents
Adjustable ventilator Download PDFInfo
- Publication number
- EP0451902B1 EP0451902B1 EP91200741A EP91200741A EP0451902B1 EP 0451902 B1 EP0451902 B1 EP 0451902B1 EP 91200741 A EP91200741 A EP 91200741A EP 91200741 A EP91200741 A EP 91200741A EP 0451902 B1 EP0451902 B1 EP 0451902B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- shut
- ventilator according
- ventilator
- housing
- edge
- 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
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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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/18—Air-flow control members, e.g. louvres, grilles, flaps or guide plates specially adapted for insertion in flat panels, e.g. in door or window-pane
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/02—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses
- E06B7/04—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses with ventilation wings
- E06B7/06—Special arrangements or measures in connection with doors or windows for providing ventilation, e.g. through double windows; Arrangement of ventilation roses with ventilation wings with one ventilation wing only
Definitions
- the ventilator 2 has an elongated shut-off element 4 which is supported in a manner to be described in greater detail so that it rotates about the longitudinal axis 6 thereof.
- the shut-off element 4 also comprises a section part and has two outer walls 40, 42 which are interconnected by means of connecting legs 44, each with two ridges 48. These ridges lie resiliently against a square metal reinforcement tube 52 which is accommodated in the shut-off element 4 and which gives the shut-off element the necessary rigidity in the lengthwise direction and makes it possible to produce the ventilator in very great lengths (for example, up to 3 metres).
- the ribs 40b, 42b with the connecting legs 48 also determine a nesting space 58 (see Figure 4) for the lips 60 of a carrier 62 which is provided with a nesting groove 64 for an operating cord 66 and with a cylindrical bearing stub 68 which is rotatably supported in the end piece 14, 18, so that the whole unit is easy to fit or remove.
- the carrier 62 also has a stub 63 which is rectangular in cross-section and which fits inside the tube 52.
- a thermal barrier formed by a plastic filling 70, 72, is provided both in the top edge 10 and the bottom edge 12.
- the shut-off element in this embodiment comprises two identical parts (98a, 98b) which are combined with each other in an inverted relationship.
- Each of these parts one of which is shown in figure 6 comprises in cross-section a wall 100 with at the one edge a hook-shaped rib 102 and at the other edge a similar hook-shaped rib 104 with, at short distance thereunder, a leg 106 which ends in an upstanding, also hook-shaped rib 108. Both the wall 100 and the leg 106 are provided with ridges 110, 112 respectively.
- FIG. 5 shows the two parts 98, 98' are combined with each other in an inverted relationship, such that the hook 102 of the one part fits behind and around the hook 108' of the other part, and vice-versa.
- a reinforcing member 114 Within the space delimited by the walls 100, 100' on the one hand and the legs 106, 106' on the other hand fits a reinforcing member 114.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Air-Flow Control Members (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
Description
- The invention relates to an adjustable ventilator according to the preamble of
claim 1. - In this known ventilator the shut-off element comprises two elongate strips, extending radially from, and being made in one piece with, a central elongate cylindrical carrying portion which is rotatably supported at its respective ends in the housing (see document EP-A-0 115 824).
- To have the necessary strenght and resistance against bending, necessary for obtaining sealing over the entire length in the closed position as well as easy operation, the section parts must have a considerable thickness, which reduces the air passage in the open position and also increases the weight and the costs of the shut-off element. Even so it is in practice impossible to construct such a ventilator with a great length while retaining the desired qualities as outlined above, unless the supporting element is provided halfway with an extra bearing. This, of course, complicates the structure considerable.
- The invention aims to eleminate the disadvantages and to propose a ventilator of the kind as referred to above which can be made with great lengths while retaining an easy rotatability of its shut-off element, using a small number of parts and ensuring a good seal and an excellent guidence of the shut-off element in the housing.
- These objects are obtained by the measures as defined in the characterising clause of the main claim.
- These measures not only produce such strength of the shut-off element that the ventilator can be made in great lengths, but also achieve a considerably greater air passage than that which can be achieved with a known ventilator of corresponding dimensions; the air resistance is lower, so that the ventilation properties are better. Less material is also needed for the production of the simply designed ventilator, and the shut-off element is much easier to rotate. It has also been found that in the open position the shape of the shut-off element has a beneficial effect on the air passage.
- It is observed that GB-
A-2 100 418 discloses a ventilator structure which is particularly intended to be placed in the dashboard of an automobile and comprises a disc-shaped shut-off element. This shut-off element, made of solid material, is at its circumference provided with a number of shadow cut-outs for accommodating the radially inwardly directed fastening lips of a circular sealing strip. The whole structure is such that the air passage is either closed or shut: the air passage is not finally adjustable. - Preferred embodiments of the invention are described in
Claims 2 to 9. - The invention is explained with reference to the drawing, in which:
- Figure 1 is a cross-section through the ventilator according to the invention, along the line I - I in Figure 2;
- Figure 2 is a rear view of this ventilator;
- Figure 3 is a top view of the ventilator;
- Figure 4 is a detail cross-section showing the fixing of the shut-off element;
- Figure 5 shows a cross-section of a second embodiment of the ventilator according to the invention;
- Figure 6 shows in cross-section part of the shut-off element used therein.
- The
ventilator 2 according to the invention has an elongated shut-offelement 4 which is supported in a manner to be described in greater detail so that it rotates about thelongitudinal axis 6 thereof. - This shut-off
element 4 is accommodated in an elongated housing manufactured by extrusion and having an air passage 8 which is bounded by thetop edge 10, thebottom edge 12, aright end piece 14 with thehead plate 16 connecting to it, and aleft end piece 18 with thehead plate 20 connecting to it. Thetop edge 10 merges into awater baffle 22 comprising a downward slopingpart 24 which continues into a straight downward runningpart 26; at a distance from this lies the also straight downward runningpart 28 which connects to thebottom edge 12. This forms an air inlet opening 30 containing afilter gauze 32 which is retained by one or more spring-loadedretaining clips 34. - As can be seen from the figures, the shut-off
element 4 has a height h (see Figure 2) which is considerably greater than its width or thickness so that, when the shut-offelement 4 is rotated out of the position shown in Figure 1 through 90° clockwise or anticlockwise, air can flow virtually unimpeded from the inlet opening 30 to the passage 8. In the position shown this opening is shut off. - The shut-off
element 4 also comprises a section part and has twoouter walls legs 44, each with tworidges 48. These ridges lie resiliently against a squaremetal reinforcement tube 52 which is accommodated in the shut-offelement 4 and which gives the shut-off element the necessary rigidity in the lengthwise direction and makes it possible to produce the ventilator in very great lengths (for example, up to 3 metres). - The
end edges walls constriction 54 of asealing strip 56. Below theseflanged end edges short ribs walls end edges sealing strip 56. - The
ribs legs 48 also determine a nesting space 58 (see Figure 4) for thelips 60 of acarrier 62 which is provided with anesting groove 64 for anoperating cord 66 and with acylindrical bearing stub 68 which is rotatably supported in theend piece carrier 62 also has a stub 63 which is rectangular in cross-section and which fits inside thetube 52. - A thermal barrier, formed by a
plastic filling top edge 10 and thebottom edge 12. - Initially the
legs transverse ribs 80, and thetransverse ribs 82 end at a distance from each other; thelegs ribs 84, and theribs 86 end at a distance from each other. Through the openings thus formed the spaces thus obtained are filled with settingplastic - Figure 5 shows an embodiment which is essentially the same as the one described above but in which the shut-off element has a somewhat different configuration. Parts which correspond to the ones disclosed in the preceeding figures are indicated with the same reference numerals as used in these figures.
- The shut-off element in this embodiment, indicated as a whole with 96, comprises two identical parts (98a, 98b) which are combined with each other in an inverted relationship. Each of these parts, one of which is shown in figure 6 comprises in cross-section a
wall 100 with at the one edge a hook-shaped rib 102 and at the other edge a similar hook-shaped rib 104 with, at short distance thereunder, aleg 106 which ends in an upstanding, also hook-shaped rib 108. Both thewall 100 and theleg 106 are provided withridges hook 102 of the one part fits behind and around the hook 108' of the other part, and vice-versa. Within the space delimited by thewalls 100, 100' on the one hand and thelegs 106, 106' on the other hand fits a reinforcingmember 114. - This embodiment has the advantage that the fitting of the reinforcing member is much more easily done as this member is simply placed within one of the parts whereafter the other part is clipped around it.
- The shut-off element can be rotated around its axis by means of a suitable driver (not shown) fitting in the space within the reinforcing
member 114.
Claims (10)
- Ventilator (2) with a finely adjustable air passage, having an elongated shut-off element (4, 96), accommodated in an elongated housing and rotatable about a longitudinal axis which is parallel to the housing axis, the shut-off element (4, 96), made of section material, having a dimension in a first direction (h) transverse to said longitudinal axis greater than the dimension thereof in a second direction which is perpendicular to the first, characterized in that the shut-off element (4, 96) has two outer walls (40, 42, 100, 100'), running in the first direction and lying at a distance of eachother to accommodate a reinforcing element (52, 114) therebetween, with connecting legs (44, 106, 106') between said walls lying on either side of the axis of rotation, and having between the end edges (40a, 42a; 104, 108) of said walls a nesting space with a sealing strip (56) engaged therein.
- Ventilator according to claim 1, characterized in that the shut-off element (96) consists of a first and a second, identical part (98a, 98b) interconnected combined in inverted relationship, each part having in cross-section an outer wall (100, 100') part with at each end edge a short inwardly directed hook-shaped rib (102, 104, 102', 104') and at one end at short distance thereunder a connecting leg (106, 106') extending to the outer wall of the other part and terminating in an upwardly directed hook-shaped rib (108, 108') surrounded by the inwardly directed rib of the other, opposite, part.
- Ventilator according to claims 1-2, characterized by a reinforcement element (52, 114) accommodated in the space bounded by the connecting legs.
- Ventilator according to claim 3, characterized in that the reinforcement element (52, 114) comprises a reinforcing tube with square cross-section, enclosed by the connecting legs (44, 106, 106').
- Ventilator according to claim 4, characterized in that the connecting legs (44, 106, 106') are provided with ridges (48, 112) resting resiliently against the reinforcing tube.
- Ventilator according to claims 1 - 4, characterized in that an additional rib (40b, 42b) extends between each connecting leg and an outer wall, for determining a nesting space for a driver which projects from a rotatably mounted carrier connecting to the shut-off element.
- Ventilator according to claims 1 - 6, characterized in that the end edges of the shut-off element walls (40a, 42a; 104, 102') are flanged towards each other and engage in a constriction, running in the longitudinal direction, of a sealing strip (56) situated partially inside and partially outside the shut-off element.
- Ventilator according to claims 1 - 7, characterized in that the housing is provided at the front side with a water baffle (22) extending from the top edge thereof and having a short downward slanting part, merging into a straight downward running part having at a distance from it and parallel to it a shut-off edge connecting to the bottom edge of the housing.
- Ventilator according to claim 8, characterized in that a filter gauze (32) is provided, extending from the transition between the downward slanting part and the straight downward running part, on the one hand, and the bottom edge of the opposite-lying protective edge, on the other.
- Ventilator according to claim 9, characterized in that the top and bottom edges of each housing are each formed by two section parts (10a, 10b, 12a, 12b) lying at a distance from each other and separated from each other by a plastic connecting piece (70, 72).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9000872A NL9000872A (en) | 1990-04-12 | 1990-04-12 | ADJUSTABLE VENTILATION GRILL. |
NL9000872 | 1990-04-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0451902A1 EP0451902A1 (en) | 1991-10-16 |
EP0451902B1 true EP0451902B1 (en) | 1994-08-24 |
Family
ID=19856920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91200741A Expired - Lifetime EP0451902B1 (en) | 1990-04-12 | 1991-03-28 | Adjustable ventilator |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0451902B1 (en) |
AT (1) | ATE110436T1 (en) |
DE (1) | DE69103567D1 (en) |
NL (1) | NL9000872A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1081444A2 (en) | 1999-09-03 | 2001-03-07 | GEZE GmbH | Ventilation device |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29517175U1 (en) * | 1995-10-31 | 1996-01-04 | Siegenia Frank Kg | Ventilation device for rooms |
NL1010139C2 (en) * | 1998-09-21 | 2000-03-22 | Vero Duco Nv | Ventilation assembly for fitting in frame of door or window, has continuously adjustable settings |
NL1016956C2 (en) * | 2000-12-21 | 2002-06-25 | Vero Duco Nv | Adjustable ventilation device is for installation in window frame where it is fixed by profile part in which is ventilation through passage, valve part being fixable in profile part and pivotable between freeing and closing positions |
GB0114165D0 (en) * | 2001-06-11 | 2001-08-01 | Titon Hardware | Ventilation device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1259002B (en) * | 1964-06-26 | 1968-01-18 | Guenther Schoell Dr Ing | Butterfly valve for air and flue gas ducts in regenerative heat exchangers |
IT8153366V0 (en) * | 1981-06-17 | 1981-06-17 | Lear Snc | AIR CONDITIONING AIR VENT IN VEHICLES |
GB2135045B (en) * | 1983-02-10 | 1986-08-06 | Hardware & Systems Patents Ltd | Ventilator for glazed windows or doors |
-
1990
- 1990-04-12 NL NL9000872A patent/NL9000872A/en not_active Application Discontinuation
-
1991
- 1991-03-28 EP EP91200741A patent/EP0451902B1/en not_active Expired - Lifetime
- 1991-03-28 AT AT91200741T patent/ATE110436T1/en not_active IP Right Cessation
- 1991-03-28 DE DE69103567T patent/DE69103567D1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1081444A2 (en) | 1999-09-03 | 2001-03-07 | GEZE GmbH | Ventilation device |
Also Published As
Publication number | Publication date |
---|---|
DE69103567D1 (en) | 1994-09-29 |
ATE110436T1 (en) | 1994-09-15 |
NL9000872A (en) | 1991-11-01 |
EP0451902A1 (en) | 1991-10-16 |
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