EP2141424A2 - Lüftungsvorrichtung - Google Patents

Lüftungsvorrichtung Download PDF

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Publication number
EP2141424A2
EP2141424A2 EP09164328A EP09164328A EP2141424A2 EP 2141424 A2 EP2141424 A2 EP 2141424A2 EP 09164328 A EP09164328 A EP 09164328A EP 09164328 A EP09164328 A EP 09164328A EP 2141424 A2 EP2141424 A2 EP 2141424A2
Authority
EP
European Patent Office
Prior art keywords
ventilation device
regulating valves
air
regulating
flow channel
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Withdrawn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
EP09164328A
Other languages
English (en)
French (fr)
Other versions
EP2141424A3 (de
Inventor
Ramses Jacques Pierre DEWACHTER
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.)
Renson Ventilation NV
Original Assignee
Renson Ventilation NV
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 Renson Ventilation NV filed Critical Renson Ventilation NV
Publication of EP2141424A2 publication Critical patent/EP2141424A2/de
Publication of EP2141424A3 publication Critical patent/EP2141424A3/de
Withdrawn legal-status Critical Current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
    • F24F13/08—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

Definitions

  • This invention relates to a ventilation device for the natural supply of air or discharge of air, comprising an air flow channel wherein a first, a second and a third regulating valve are arranged so as to be able to rotate or hinge in series, in such a way that during rotating or hinging of these regulating valves the flow rate of air through this air flow channel is regulated.
  • Regulating valves are arranged in series in an air flow channel when said regulating valves are arranged one after another in a direction of the flow of air through this air flow channel and are each per se provided in order to be able to close off the air flow channel.
  • This invention is situated predominantly in the framework of the provision of a ventilation device for the natural supply of air or discharge of air, provided for placing in or on a window, door, roof surface or external wall of a building designed in accordance with what is known as the passive house concept or of a building in regions having low to very low outside temperature during the heating season.
  • a ventilation device of this type should then also possess high thermal resistance (or a low coefficient of heat transmission or U value in W/m 2 K), a high temperature factor f and high air-tightness.
  • a ventilation device of this type attains preferably at least thermal resistance and a temperature factor which are obtained by window profiles.
  • Plastics material PVC windows made up of five chambers are to have in accordance with Belgian standard NBN B62-002 at most a U value of 1.6 W/(m 2 K). This value is also obtained by highly insulated aluminium window profiles.
  • a wooden frame made of hardwood must already have a thickness of 120 mm in order to obtain a U value of 1.6 W/(m 2 K).
  • Ventilation devices having high thermal resistance, a high temperature factor and high air-tightness are desirable also in buildings in regions having low to very low outside temperature during the heating season. That is to say, in such regions it is desirable to have ventilation devices which allow the ventilation device to be temporarily closed off while losing as little energy as possible, while at the same time avoiding condensation or the formation of ice in or on the ventilation device.
  • An air flow channel can be closed off more effectively with the aid of hingeable regulating valves in the air flow channel.
  • a major drawback of ventilation devices of this type is the fact that the position of regulating valves of this type changes in an unintended manner in the event of the occurrence of gusts of wind.
  • WO 89/02970 describes a ventilation device of this type with a hingeable regulating valve which can close off the air flow channel at two locations. In this way, during closing-off of the air flow channel a volume of air is retained by this hingeable regulating valve. A somewhat improved thermal resistance, temperature factor and air-tightness are thus obtained. However, as a result of the fact that the position of this regulating valve can change in an unintended manner in the event of the occurrence of sudden gusts of wind, this ventilation device does not meet the stipulated objectives.
  • DE 299 10 662 describes a ventilation device wherein three regulating valves are arranged in series in such a way that during rotating and/or hinging thereof the flow rate of air through the air flow channel is regulated.
  • the air flow channel is closed off with the aid of the outermost regulating valves, a volume of air can be retained by these regulating valves.
  • somewhat improved thermal resistance, a higher temperature factor and air-tightness are obtained.
  • a major drawback of this is the fact that the position of regulating valves of this type changes in an unintended manner in the event of the occurrence of gusts of wind. This entails not inconsiderable, and thus undesired, losses of heat.
  • the object of this invention is therefore also, as stated hereinbefore, to provide a ventilation device for the natural supply of air or discharge of air, provided for placing in or on a window, door, roof surface or external wall of a building designed in accordance with what is known as the passive house concept or of a building in regions having low to very low outside temperature during the heating season, this ventilation device having high air-tightness, a maximum U value of 1.6 W/(m 2 K) and a minimum temperature factor of 0.61 at a minimum monthly average temperature of -8 °C.
  • a ventilation device for the natural supply of air or discharge of air comprising an air flow channel wherein a first, a second and a third regulating valve are arranged so as to be able to rotate or hinge in series, in such a way that during rotating or hinging of these regulating valves the flow rate of air through this air flow channel is regulated, the hinging movement of at least two of the regulating valves being mutually mechanically coupled.
  • said regulating valve can connect exceedingly well in the known manners, such as for example with the aid of a resilient part at the end of this regulating valve, when closed, to the air flow channel, as a result of which, together with the other regulating valves, especially high air-tightness of the ventilation device as a whole is obtained.
  • the movement of the aforementioned at least two regulating valves is mutually mechanically coupled in such a way that during hinging or rotating of one of both regulating valves in a first direction with respect to the air flow channel the other of both regulating valves hinges or rotates in the opposite direction to this first direction with respect to the air flow channel.
  • a coupling of this type produces, in the event of a difference in pressure over the ventilation device, opposite forces, that is to say, on the one hand, a force which seeks to open one of both regulating valves and, on the other hand, a force which seeks to open the other of both regulating valves.
  • both forces which occur (substantially) cancel each other out, thus stabilizing the entity formed by both regulating valves.
  • the position of these regulating valves will therefore also (substantially) not change in an unintended manner in the event of the occurrence of gusts of wind.
  • the movement of the aforementioned at least two regulating valves is mutually mechanically coupled with the aid of a rod mechanism.
  • the movement of these aforementioned two regulating valves can be mutually mechanically coupled with the aid of a drum.
  • the movement of the aforementioned at least two regulating valves can also be mutually mechanically coupled as a result of the fact that the two regulating valves form part of the circumference of a hollow drum which is arranged so as to be able to rotate in the ventilation channel.
  • This specific embodiment therefore corresponds to the specific embodiment cited hereinbefore wherein what is known as a drum grate is provided with one or more additional regulating valves.
  • the movement of the first, the second and the third regulating valve is mutually mechanically coupled.
  • a ventilation device in a further preferred embodiment of a ventilation device according to this invention, at least two of the regulating valves are embodied identically to one another.
  • This provides, in the case of regulating valves which do not form part of a drum, a major advantage in terms of production as a result of the fact that producing one type of regulating valve allows a plurality of regulating valves to be provided from this ventilation device.
  • coupled regulating valves on which opposite forces act in the event of gusts of wind it is also simpler to further design the ventilation device in such a way that these opposite forces can cancel each other out almost completely.
  • At least one of the regulating valves is releasably arranged.
  • a further specific embodiment of a ventilation device according to this invention is provided with an actuator which can be used to activate the movement of the regulating valves.
  • a fourth regulating valve is preferably arranged in series with the first, the second and the third regulating valve, in such a way that during rotating and/or hinging of this first, second, third and fourth regulating valve the flow rate of air through the air flow channel is regulated, this fourth regulating valve being a self-regulating valve.
  • a self-regulating valve of this type is a valve which can automatically adapt the flow rate of air through a ventilation device, without being activated with the aid of a sensor or a motor.
  • the ventilation device (1) as depicted in Figures 1 and 2 is a ventilation device (1) for the natural supply of air from the outside (3) to an internal space (2) or for the discharge of air from the internal space (2) to the exterior (3).
  • the dot-dash arrow indicates the direction of the supply of air through the air flow channel (4) of this ventilation device (1).
  • This ventilation device (1) further comprises a first, a second, a third and a fourth regulating valve (5), (6), (7), (8) which are arranged so as to be able to rotate or hinge in series, in such a way that during rotating or hinging of these regulating valves (5), (6), (7), (8) the flow rate of air through the air flow channel (4) of the ventilation device (1) is regulated.
  • the first and the second of these regulating valves (5), (6) are in this case mutually mechanically coupled in such a way that during hinging or rotating of one of both regulating valves (5) in a first direction with respect to the air flow channel (4) the other of both regulating valves (6) hinges or rotates in the opposite direction to this first direction with respect to the air flow channel (4).
  • first and second regulating valves (5), (6) can for example be mutually mechanically coupled by rotatingly connecting these regulating valves (5), (6), at the level of a front plate of this ventilation device, to a drum which is in turn rotatably arranged at the level of this front plate.
  • FIG 3 schematically presents the operating principle of these coupled regulating valves (5), (6).
  • the regulating valves (5), (6) from the embodiment of a ventilation device according to this invention (1) from Figures 1 and 2 are represented by the dot-dash line.
  • the solid line presents regulating valves (5'), (6') which open and close in the opposite direction.
  • Figure 4 shows further possible arrangements of coupled regulating valves (5"), (6") and (5"'), (6''') of this type.
  • the dashed line presents the corresponding regulating valve in the closed position, while the arrow in this regulating valve indicates the direction of opening thereof.
  • the movement of the third regulating valve (7) is furthermore also mechanically coupled to the movement of these first and second regulating valves (5), (6).
  • Coupling mechanisms which may be used for this purpose have equally not been depicted in the present document.
  • the movement of this third regulating valve (7) could for example be mechanically coupled to the movement of these first and second regulating valves (5), (6) by connecting this third regulating valve (7), with the aid of a rod mechanism, to the drum to which the first and second regulating valves (5), (6) are rotatably fastened.
  • This rod mechanism can also be incorporated into this ventilation device (1) at the level of a front plate of the ventilation device (1).
  • Other possible implementations of the mechanical coupling of these three valves (5), (6), (7) are conceivable.
  • these first, second and third regulating valves (5), (6), (7) are hingeably and releasably arranged with respect to the air flow channel (4) with the aid of clamps (9).
  • these regulating valves (5), (6), (7) should therefore furthermore be releasably connected to the coupling mechanisms which mutually connect these regulating valves (5), (6), (7).
  • the fourth regulating valve (8) which is hingeably and/or rotatably and/or pliably arranged in the air flow channel (4), is a self-regulating valve which can adapt the flow rate of air through the ventilation device (1) automatically (i.e. without activation with the aid of a sensor or motor) on the basis of the difference in pressure over the air flow channel (4).
  • This fourth regulating valve (8) could equally be rotatably or pliably arranged in the air flow channel (4).
  • a combination of hingeable, rotatable or pliable arrangement is also possible.
  • Self-regulating valves (8) of this type are already known in the art.
  • the ventilation device (1) from Figures 1 and 2 is provided with a removable mosquito gauze (10), provided to prevent undesired insects from entering the space (2).
  • Standard ventilation grates equipped with one regulating valve have a U value of at least 3.0 W/(m 2 K) and a temperature factor of less than 0.6.
  • the embodiment provided hereinbefore of the ventilation device (1) does not form any restriction.
  • a large number of materials, designs, etc. may be considered for producing ventilation devices (1) according to this invention.
  • the profiles (11) may equally be made of partially encasing aluminium profile parts between which insulating material is attached.
  • the first and second regulating valves (5), (6) can for example be made completely from polyurethane in cases in which said regulating valves have to be resistant to temperatures as low as -40 °C.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Air-Flow Control Members (AREA)
  • Building Environments (AREA)
EP09164328.8A 2008-07-02 2009-07-01 Lüftungsvorrichtung Withdrawn EP2141424A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2008/0369A BE1018607A5 (nl) 2008-07-02 2008-07-02 Ventilatie-inrichting.

Publications (2)

Publication Number Publication Date
EP2141424A2 true EP2141424A2 (de) 2010-01-06
EP2141424A3 EP2141424A3 (de) 2013-08-14

Family

ID=40383669

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09164328.8A Withdrawn EP2141424A3 (de) 2008-07-02 2009-07-01 Lüftungsvorrichtung

Country Status (2)

Country Link
EP (1) EP2141424A3 (de)
BE (1) BE1018607A5 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110259194A (zh) * 2019-06-11 2019-09-20 深圳市熠瑞康科技有限公司 可调温式建筑
RU192882U1 (ru) * 2019-08-08 2019-10-04 Андрей Юрьевич Баннов Вентиляционный клапан приточной вентиляции

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1022305B1 (nl) 2014-09-11 2016-03-14 Renson Ventilation Nv Ventilatierooster

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989002970A1 (en) 1987-09-30 1989-04-06 Erwin Swazinna French sash
DE29910662U1 (de) 1999-06-21 2000-11-23 Siegenia Frank Kg Lüftungsvorrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1708163A1 (de) * 1967-07-25 1971-05-27 Artur Foerster Verdeckt eingebauter Verschluss fuer Fenster,Tueren u. dgl. unter gleichzeitiger Verwendung als Lueftungsklappen
US4377968A (en) * 1980-01-10 1983-03-29 Gerry Ulric K Fluid flow control means
DK9500282U4 (da) * 1995-07-28 1996-10-28 Varde Staldventilation I S Vægventil til luftskifte i stalde og fabrikker.
JPH09310561A (ja) * 1996-05-21 1997-12-02 Nippon Electric Glass Co Ltd ルーバー
NL1025600C2 (nl) * 2004-02-27 2005-08-30 Renson Ventilation N V Inrichting voor het regelen van het luchtdebiet in een ventilatie-inrichting.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989002970A1 (en) 1987-09-30 1989-04-06 Erwin Swazinna French sash
DE29910662U1 (de) 1999-06-21 2000-11-23 Siegenia Frank Kg Lüftungsvorrichtung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110259194A (zh) * 2019-06-11 2019-09-20 深圳市熠瑞康科技有限公司 可调温式建筑
CN110259194B (zh) * 2019-06-11 2024-04-30 深圳市熠瑞康科技有限公司 可调温式建筑
RU192882U1 (ru) * 2019-08-08 2019-10-04 Андрей Юрьевич Баннов Вентиляционный клапан приточной вентиляции

Also Published As

Publication number Publication date
BE1018607A5 (nl) 2011-05-03
EP2141424A3 (de) 2013-08-14

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