EP2570742A1 - Canal d'aération pour l'encastrement dans une paroi - Google Patents

Canal d'aération pour l'encastrement dans une paroi Download PDF

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Publication number
EP2570742A1
EP2570742A1 EP11401592A EP11401592A EP2570742A1 EP 2570742 A1 EP2570742 A1 EP 2570742A1 EP 11401592 A EP11401592 A EP 11401592A EP 11401592 A EP11401592 A EP 11401592A EP 2570742 A1 EP2570742 A1 EP 2570742A1
Authority
EP
European Patent Office
Prior art keywords
air duct
installation
section
flap
backflow flap
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.)
Granted
Application number
EP11401592A
Other languages
German (de)
English (en)
Other versions
EP2570742B1 (fr
Inventor
Heinrich Adamietz
Thomas Baehr
Christian Lauderlein
Sylvia Stecken
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.)
Miele und Cie KG
Original Assignee
Miele und Cie 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 Miele und Cie KG filed Critical Miele und Cie KG
Priority to EP11401592.8A priority Critical patent/EP2570742B1/fr
Publication of EP2570742A1 publication Critical patent/EP2570742A1/fr
Application granted granted Critical
Publication of EP2570742B1 publication Critical patent/EP2570742B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24F13/10—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/745—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity the air flow rate increasing with an increase of air-current or wind pressure
    • 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
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • 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
    • F24F2007/001—Ventilation with exhausting air ducts
    • 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
    • F24F2007/0025—Ventilation using vent ports in a wall

Definitions

  • the invention relates to an air duct for installation in a wall with a tubular first channel portion, which opens into a widened cross-section channel portion, wherein the widened channel portion forms a stop surface for a backflow flap in the cross-sectional transition to the first channel portion, which is pivotally mounted in the extended channel portion is and under the action of the air flow generated by a blower in the open position formed pivotally and biased by weight when the fan is not energized rests against the stop surface and the first channel portion sealingly closes.
  • Such an air duct is out of the EP 1 925 888 A1 or the DE 10 2008 044 692 B3 known for use on an exhaust duct of a Dunstanzugshafaube.
  • the backflow flap is held in the closed position by a locking device.
  • the air duct is formed with a first channel section, which opens into an enlarged box-shaped channel section, wherein the backflow flap is pivotally mounted in the parting plane in the cross-sectional transition from the first channel section to the extended channel section.
  • the locking device is unlocked as a result of the pressure increase in the exhaust air duct, so that the backflow flap releases the flow path.
  • the box-shaped extended channel section is dimensioned such that the backflow flap can swing open freely in the available space and represents only the smallest possible flow obstacle for the exhaust air flow of the hood.
  • the installation of such air ducts, with box-shaped widened channel sections in a wall more expensive than the installation of tubular air ducts, since it can not be worked with a single core drilling. This is especially disadvantageous when existing exhaust air openings are to be replaced by newer wall boxes, which have a larger cross-section and are equipped with tight closing backwater valves.
  • the vent opening is formed closable with a closure.
  • the closure is moved by a motor located within the air passage closed position in an out of the air duct open position.
  • a separate actuator is required.
  • An air flow controlled movement of the shutter is not possible.
  • the closure with the thermal insulation is moved completely out of the air duct to release the vent and no undesirable flow resistance form. If the shutter is moved by means of an electric motor into the open or closed position, a separate servomotor with supply line is also required.
  • a combination of ventilation unit and actuator circuits is required. The elaborate design of the actuating mechanism for the closure is very costly.
  • the invention thus raises the problem of improving an air duct without additional adjusting devices for an opening and closing movement of a closure of the ventilation opening by an air-flow-controlled, pivotally mounted backflow flap in such a way that the installation of the air duct can take place with a single core drilling operation.
  • the achievable with the present invention consist in particular in that the installation of the air duct is facilitated by the substantially rotationally symmetrical design of the air duct, since a core drill can be used for the wall breakthrough.
  • Another advantage lies in the tube-shaped widened channel section and in the curved configuration of the backflow flap, which abuts against the abutment surface for the backflow flap in the cross-sectional transition from the first channel section to the widened channel section and sealingly closes off the air channel when the blower is not switched on. This advantage is achieved by the course of the stop surface, which is formed in the manner of a running on a penetration line of a cylindrical body sealing edge.
  • the backflow flap can swing open freely in the extended channel section, and forms by its curved shape more or less a continuation of the first channel section, so that it protrudes only slightly into the flow path of the exhaust air of an extractor hood.
  • the backflow flap pivots by the advantageous arrangement of the pivot bearing on a in installation position of the air duct relative to the vertical center line at an angle of preferably 45 ° to the center line axis even at low fan power of the hood in the open position.
  • the backflow flap is held in the closed position by a safety device, so that unwanted pivoting when the blower is not switched on, caused by the influence of wind on the building exterior wall, and the associated rattling noise are avoided.
  • FIG. 1 shows a perspective view of the air duct 1 in installation position with closed backflow flap 2.
  • the air duct 1 is suitable for installation in a building wall, not shown, for discharging the exhaust air of a cooker hood or a tumble dryer.
  • the air duct 1 is formed with a tubular first channel section 3 which opens into a channel section 4 which is widened in cross-section.
  • the extended channel section 4 forms in the cross-sectional transition 5 to the first channel section 3 a stop surface 6 (see FIG. 2 ) for the backwater valve 2, which is pivotally mounted in the extended channel section 4.
  • the backflow flap 2 is in the air flow generated by the blower of an extractor hood in the in FIG. 2 pivoted open position shown. When not activated fan takes the biased by gravity backwater valve 2 in FIG. 1 shown closed position and abuts against the stop surface 6 so that it seals the first channel section 3.
  • FIG. 3 shows a view of the air duct 1 and a sectional view corresponding to the section line shown in the view with backflow flap 2 in the open position.
  • the air duct 1 has at its outer wall of the building associated end portion a mounting flange 7, attached to the example as a not shown ventilation grille can be.
  • a connecting piece 8 for the exhaust air duct is formed with a connecting piece 8 for the exhaust air duct.
  • FIG. 3 shows a cylindrically shaped first channel section 3 which opens into the expanded channel section 4 in cross-section.
  • the extended channel section 4 is dimensioned such that the backflow flap 2 and the pivot bearing 9 do not or only slightly protrude into the flow path of the exhaust air of the hood.
  • the extended channel section 4 shown in this embodiment is designed to widen conically starting from the outer edge 10 of the stop face 6.
  • the stop surface 6 for the backflow flap 2 is formed in the cross-sectional transition 5 in the manner of a running on a penetration line 11 of a cylindrical body sealing edge.
  • the backflow flap 2 has a curvature, wherein the projected into an image plane surface of the remindstauklappe2 has a circular contour and the curvature corresponds to the course of the lateral surface of the cylindrical body.
  • the radius of curvature of the backwater valve 2 is defined by the radius of the cylindrical body, on the penetration line 11, the sealing edge extends.
  • the pivot bearing 9 for the backflow flap 2 is arranged in the installation position of the air duct 1 with respect to the vertical center line 12 of the air duct 1 on an axis 13 extending at an angle to the center line on the inner shell 14 of the widened channel section 4.
  • the axis 13 extends in the illustrated embodiment at an angle of 45 ° to the vertical center line 12.
  • the backflow flap 2 is the pivot bearing 9 opposite to the axis 13 associated with a safety device (15), the backflow flap 2 with the blower fan off in the closed position (see FIG. 4 ) holds.
  • the securing device (15) is formed with a magnet on the backflow flap (2) and a correspondingly arranged opposite pole in the region of the stop surface (6).
  • the extended channel section 4 is cylindrical with a relation to the first channel section 3 enlarged constant diameter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air-Flow Control Members (AREA)
EP11401592.8A 2011-09-14 2011-09-14 Canal d'aération pour l'encastrement dans une paroi Active EP2570742B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11401592.8A EP2570742B1 (fr) 2011-09-14 2011-09-14 Canal d'aération pour l'encastrement dans une paroi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11401592.8A EP2570742B1 (fr) 2011-09-14 2011-09-14 Canal d'aération pour l'encastrement dans une paroi

Publications (2)

Publication Number Publication Date
EP2570742A1 true EP2570742A1 (fr) 2013-03-20
EP2570742B1 EP2570742B1 (fr) 2017-11-15

Family

ID=45623084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11401592.8A Active EP2570742B1 (fr) 2011-09-14 2011-09-14 Canal d'aération pour l'encastrement dans une paroi

Country Status (1)

Country Link
EP (1) EP2570742B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105371338A (zh) * 2015-12-11 2016-03-02 杭州蓝臣科技有限公司 一种便于快速拆洗维修的油烟止逆阀安装组件
EP3557153A1 (fr) * 2018-04-18 2019-10-23 Bruckbauer, Wilhelm Coffret mural et système d'aération doté d'un coffret mural

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005010912U1 (de) 2005-07-12 2005-11-10 Berbel Ablufttechnik Gmbh Luftführungskasten
WO2007059582A1 (fr) * 2005-11-24 2007-05-31 Fantech Pty Ltd Amortisseur de refoulement
EP1921394A1 (fr) 2006-11-11 2008-05-14 Naber Holding GmbH & Co. KG Boîtier mural avec ouverture du clapet à l'aide de pression différentielle d'air
EP1925888A1 (fr) 2006-11-27 2008-05-28 Miele & Cie. KG Dispositif d'aspiration de vapeur comprenant un canal d'évacuation d'air dans lequel un clapet battant est installé de manière pivotante
DE102008044692B3 (de) 2008-08-28 2010-01-28 Miele & Cie. Kg Luftkanal für den Einbau in eine Wand

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202005010912U1 (de) 2005-07-12 2005-11-10 Berbel Ablufttechnik Gmbh Luftführungskasten
WO2007059582A1 (fr) * 2005-11-24 2007-05-31 Fantech Pty Ltd Amortisseur de refoulement
EP1921394A1 (fr) 2006-11-11 2008-05-14 Naber Holding GmbH & Co. KG Boîtier mural avec ouverture du clapet à l'aide de pression différentielle d'air
DE102006053208A1 (de) 2006-11-11 2008-05-15 Naber Holding Gmbh & Co. Kg Mauerkasten
EP1925888A1 (fr) 2006-11-27 2008-05-28 Miele & Cie. KG Dispositif d'aspiration de vapeur comprenant un canal d'évacuation d'air dans lequel un clapet battant est installé de manière pivotante
DE102008044692B3 (de) 2008-08-28 2010-01-28 Miele & Cie. Kg Luftkanal für den Einbau in eine Wand

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105371338A (zh) * 2015-12-11 2016-03-02 杭州蓝臣科技有限公司 一种便于快速拆洗维修的油烟止逆阀安装组件
EP3557153A1 (fr) * 2018-04-18 2019-10-23 Bruckbauer, Wilhelm Coffret mural et système d'aération doté d'un coffret mural

Also Published As

Publication number Publication date
EP2570742B1 (fr) 2017-11-15

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