EP3276270A1 - Entlüftungsbaueinheit und herstellungsverfahren dafür - Google Patents

Entlüftungsbaueinheit und herstellungsverfahren dafür Download PDF

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Publication number
EP3276270A1
EP3276270A1 EP17183612.5A EP17183612A EP3276270A1 EP 3276270 A1 EP3276270 A1 EP 3276270A1 EP 17183612 A EP17183612 A EP 17183612A EP 3276270 A1 EP3276270 A1 EP 3276270A1
Authority
EP
European Patent Office
Prior art keywords
spacer
wall
fixing
diffuser panel
environment
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
EP17183612.5A
Other languages
English (en)
French (fr)
Other versions
EP3276270B1 (de
Inventor
Vittorio RUFFINI
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.)
Ideal Clima Srl
Original Assignee
Ideal Clima Srl
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 Ideal Clima Srl filed Critical Ideal Clima Srl
Publication of EP3276270A1 publication Critical patent/EP3276270A1/de
Application granted granted Critical
Publication of EP3276270B1 publication Critical patent/EP3276270B1/de
Not-in-force 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
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • 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
    • F24F13/082—Grilles, registers or guards
    • F24F13/084—Grilles, registers or guards with mounting arrangements, e.g. snap fasteners for mounting to the wall or duct
    • 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
    • F24F2007/0025—Ventilation using vent ports in a wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/17—Details or features not otherwise provided for mounted in a wall

Definitions

  • the present invention relates to a diffuser panel that is invisible, or otherwise hardly visible, for delivering air in a room or other environment to be ventilated, heated or cooled, or for drawing it out from such an environment.
  • vent assemblies are provided with one or more spacers 11 which position the diffuser panel 9 bearing against the box-shaped body 5 of the air casing 3 , as shown for example in Figures 1 , 3 of application no. MI 2014 A 000328 .
  • a purpose of the present invention is therefore to provide a vent for wall-embedded air conduits of ventilation, heating or air conditioning systems, which overcomes the drawbacks of the vent assemblies described in the Italian patent applications no. MI 2014 A 000328 , MI 2015 A 000308 and in the European patent application EP15425063 , making it possible in particular to position the diffuser panel at a correct distance from the surface of a wall, even if the air casing is walled into said wall at a depth that differs from the design specification or in any case is incorrect.
  • the diffuser panel ( 9 ) is substantially shaped as a flat plate.
  • the diffuser panel ( 9 ) has a substantially rectangular shape.
  • the method comprises the steps of:
  • the box-shaped body ( 5 ) is provided with a flange ( 13 ) which surrounds the wall opening ( 7 ) and is arranged to be mounted flush with the wall (P) that delimits the environment (A).
  • the box-shaped body ( 5 ) forms in its own interior a simple empty chamber lacking grids, fins and deflectors projecting inside it to deflect and direct the air flow, or however a chamber that is permeable to the air flow.
  • the vent assembly comprises one or more tubular conduits
  • the vent assembly comprises one or more tubular conduits ( 150 ) arranged to introduce air into the air casing ( 3 ) possibly being joined thereto by means of respective pipe union fittings ( 17 ), and in which the total section available for the passage of air at or in proximity to the delivery opening or openings of the air casing ( 3 ) is equal to or greater than 1.5 times the total air passage section through all tubular conduits ( 150 ) or pipe union fittings ( 17 ).
  • the at least one fixing spacer ( 11 ) is provided to fix the diffuser panel ( 9 ) to the box-shaped body ( 5 ) maintaining it in front of the wall opening ( 7 ) and at a maximum distance (D) from the edges of such opening ( 7 ) comprised between 0.2 and 0.9 centimetres.
  • Figures 2-6 relate to a vent assembly according to a first particular embodiment of the invention, which can be used to make a concealed vent.
  • the vent assembly is indicated with the overall reference numeral 1 ', can be used in systems for ventilating, heating or air conditioning homes, offices, places of work or other environments, and preferably comprises an air casing 3 in turn comprising:
  • the air casing 3 can for example be approximately overall parallelepiped, cylindrical, funnel shaped or even shaped like a bag or tank that is more or less swollen up or widened with respect to the tubular conduits that supply it, and can thus also be called "plenum" in the current technical jargon.
  • the air casing 3 can for example be oblong and the tubular conduits 150 can connect for example transversally to it ( Figures 2 , 6 , 7 ).
  • the air casing 3 and one or more tubular conduits 150 form a possible example of what is indicated in the present description as ventilation conduit 15 .
  • Such shapes cause the airflow coming from the tubular conduits 150 to expand and slow down in the casing 3 , reducing the noisiness of the flow that laps the diffusers 9 and making such a flow more even between various vents.
  • the box-shaped body 5 can for example be made of sheet metal or plastic.
  • the box-shaped body 5 is provided with a flange 13 that surrounds the wall opening 7 , facilitating the mounting of the opening flush with the wall P, which can for example be made from masonry, plasterboard or wood and delimits the room or other environment in which the vent assembly 1 is to be installed.
  • the flange 13 in fact is provided to be flush-mounted on the wall P of the room.
  • each fixing spacer 11 ' are obtained:
  • At least one, and preferably all the fixing spacers 11 ' are arranged to fix the diffuser panel 9 to the box-shaped body 5 maintaining it in front of the wall opening 7 and at a predetermined maximum distance D from the edges of such opening 7 and/or from the wall P in which the air casing 3 can be inserted.
  • At least one, and preferably all the fixing spacers 11 ' allow the mutual position between the at least one spacer-fixing zone 21 and the at least one spacer-supporting zone 110 to be reversibly adjusted.
  • At least one fixing spacer 11 ' and more preferably all spacers 11', are arranged to fix the diffuser panel 9 to the box-shaped body 5 maintaining it in front of the wall opening 7 and at a predetermined maximum distance D comprised between 0.1 and 1.2 centimetres from the edges of the opening 7 and/or from the wall P.
  • At least one, and preferably all the fixing spacers 11 ' comprise, each, one fixing bracket 112 in turn comprising at least one arm 114 on which the at least one spacer-fixing zone 21 is obtained.
  • the fixing bracket 112 can form for example two arms 114 and be substantially U-shaped overall.
  • each spacer-fixing zone 21 can be constructed for example as a leaf spring, appropriately folded or shaped and fixed on a respective arm 114 , e.g. at or in proximity to the free end of the arm 114 .
  • Each spring 21 is fixed for example by friction pressing against the interior of the box-shaped body 5 or snap-fastening thereto, and more specifically to the edges or to the inner flanks of the wall opening 7 ( Figures 2-5 ).
  • the springs 21 make it possible to reversibly remove and reinstall the diffuser panel 9 to the air casing 3 .
  • each fixing spacer 11 ' can comprise a plate 116 which forms at least one tab, which is a possible way to make the aforesaid spacer-supporting zone 110 .
  • each tab 110 is arranged to rest against the air casing 3 and/or the wall P which delimits the environment A and in which the air casing 3 can be inserted so as to arrange the diffuser panel 9 at a predetermined distance D from such wall P which delimits the environment (A).
  • each tab 110 is bent so as to protrude and project away from the surface on which the diffuser panel 9 all in all lies.
  • the plate 116 can have substantially H shaped plan development so as to form four tabs 110 ; it can be obtained for example by shearing or cutting a flat piece of sheet metal, subsequently bending the tabs with an appropriate inclination relative to the lying plane of the diffuser panel 9 in such a way as to position the latter at the desired distance D from the surface of the wall P.
  • the plate 116 or in any case the tabs 110 can be supplied by the manufacturer to the installers or end users already permanently fixed - e.g. welded or riveted - to the diffuser panel 9 .
  • each spacer 11 ' can advantageously be provided with one or more pins 118 , each of which extends in one or more of the following directions:
  • the fixing bracket 112 can be provided with one or more through holes or openings 120 through which the pins 118 pass.
  • Each pin 118 can be for example fixed to the diffuser panel 9 and/or to any plate 116 for example by means of one or more of the following processes: welding, soldering, brazing, hot or cold plastic deformation, riveting, crushing.
  • the pins 118 can be threaded and the bracket 112 can be locked in a fixed, specific position along the pins 118 for example by means of the threaded nuts 122 positioned so as to form nut and lock nut systems, for example arranging by screwing a nut 122 in front of the wall of the bracket 112 and another nut behind said wall.
  • the fixing bracket 112 too can be obtained for example from a sheared metal plate and then appropriately bent, possibly by cond-bending or forging, die casting or casting if it is made of a metallic material or by injection moulding if it is made of a plastic material.
  • Each fixing spacer 11 ' is arranged to fix and maintain the diffuser panel 9 in front of the wall opening 7 concealing it and allowing the air coming from the ventilation conduit 15 to come out from the wall opening and be introduced in the environment, also ensuring that at least the perimeter edges of the diffuser panel 9 project from the surface of the wall which delimits the environment for a maximum distance D comprised between 0.1 centimetres and ten centimetres.
  • the distance D by which at least the perimeter edges, and more preferably the entire surface of the diffuser panel 9 , project from the wall P is understood to be measured point by point moving ideally along the perimeter of the opening 7 according to a direction perpendicular to the wall P itself.
  • the tabs 110 are preferably obtained from a sheet of aluminium, steel or other ferrous metal with thickness comprised between 0.4 and 4 millimetres, more preferably with thickness equal to or smaller than 3 millimetres, or for example smaller than 1 millimetre, and for example between 0.5 and 1.5 millimetres or 0.8 and 1 millimetre.
  • the installer then fixes the fixing bracket 112 in an appropriate axial position on the pins 118 so that, when the fixing spacers 11 ' are inserted into the mouth 7 of the box-shaped body 5 , the tabs 110 bearing against the wall P position the diffuser panel 9 at an appropriate distance from the wall P itself, and at the same time the springs 21 engaging against the inner walls - or other inner zones - of the box-shaped body 5 fix the diffuser panel 9 to the box-shaped body 5 .
  • the installer can lock the bracket 112 in the desired position on the pins 118 for example by means of the nuts 21 or the aforementioned bushings.
  • each fixing spacer 11 ' is shaped so as to cause the distance D not to exceed four centimetres, more preferably not to exceed 1.2 centimetres, not to exceed 0.9 centimetres, or to be comprised between 0.2 and 0.8 centimetres and more preferably between 0.4 and 0.6 centimetres.
  • the values of the distance D within the range of 0.6-0.8 centimetres have proven particularly optimal as a compromise between avoiding excessive load losses and noisiness and making the vent hardly visible for example if located in a room at a height of about 2-3.5 metres from the floor.
  • Each spacer 11 ' also prevents the panel 9 from coming too close to the wall P when the vent operates in suction, with consequent throttling of the airflow.
  • Reference number 12 in Figure 2 indicates an opening obtained in the fixing spacer 11' that allows the air to come out from the air casing 3 or to flow into it.
  • the spacers 11 ' can rest on the wall P to maintain the diffuser panel at a distance D comprised in the aforementioned ranges of values from the flange 13 if the latter is present, or at the aforementioned distance D from the perimeter edges of the wall opening 7 in the absence of the flange 13 .
  • the perimeter edges of the wall opening 7 can lie substantially in a plane.
  • the perimeter of the diffuser panel 9 ideally contains the outer perimeter of the wall opening 7 .
  • the diffuser panel 9 can be shaped like a flat panel, for example rectangular: such a shape has proven particularly suitable for masking the presence of the diffusor panel 9 when mounted on flat walls P of rooms or other parts of buildings or environments, making it invisible or in any case hardly visible.
  • the wall opening 7 also has a rectangular perimeter.
  • the diffuser panel 9 can for example be made from sheet metal or plastic material.
  • the wall opening 7 and the diffuser panel 9 can for example have a length comprised between 20-180 cm, or between 40-70 cm, and a height comprised between 5-50 cm or between 20-40 cm; clearly, in order to conceal the opening 7 , the length and the height of the latter will be lower, even if only by a few centimetres, with respect to the length and height of the panel 9 , respectively.
  • the diffuser panel 9 in order to be better concealed into the surrounding environment, is configured to be able to be painted with the same paint - for example water-based paint- that covers the wall P of the building.
  • the diffusor panel 9 can be subjected to suitable surface treatments in order to facilitate the adhesion of the wall paint.
  • the air casing 3 is fluidically connected to the rest of the ventilation, heating or air conditioning system through the tubular conduits 150 which, as stated, preferably are not visible as they are recessed into a wall, partition or other part of the building in which the air casing 3 is also recessed in a concealed manner.
  • the air casing 3 can connect to the tubular conduits 150 through suitable pipe union fittings 17 , inside each of which there can possibly be butterfly valves 19 to adjust the incoming airflow in the casing 3 .
  • each tubular conduit 150 inserts in the box-shaped body with an inclination ⁇ , with respect to the surface of the diffuser panel 9 , equal to or less than 45° ( Figures 5-7 ).
  • the section available for the passage of air in the intermediate sections of the air casing 3 is equal to or greater than 1.5 times, preferably equal to or greater than two times, more preferably equal to or greater than three times and even more preferably equal to or greater than four times the overall passage section of the air through all of the tubular conduits 150 or the connecting vents 17 .
  • Such passage sections through the tubular conduits 150 or the vents 17 can be determined for example at the ideal section plane A-A.
  • a section obtained at or close to the ideal plane C-C is equal to or greater than 1.5 times, and preferably equal to or greater than two times the overall passage section of the air through all of the tubular conduits 150 or the connecting vents 17 .
  • the ideal plane C-C can for example contain the delivery opening of the air casing 3 .
  • a sufficiently gradual expansion in the casing 3 of the air coming from the tubular conduits 150 also contributes to decreasing the noisiness of the vent.
  • the outlet of the conduits 150 and of the vents 17 in the air casing 3 is located at a distance DM from the closest edge of the wall opening 7 ( Figure 2 ).
  • the spacers 11 ' determine the distance D of the diffuser panel 9 from said wall P correcting the positioning errors of the air casing 3 in the wall P or errors due to the fact that the plaster or other coating of the wall P are too thick, specifically allowing the distance D to return to the previously described optimal design values and also correcting also any errors of planarity and of relative orientation between the air casing 3 and the layer of plaster of the wall P.
  • the pins 118 can be not threaded but smooth and the bracket 112 can be locked in a fixed and precise position along the pins 118 for example not by means of the threaded nuts 122 but by means of bushings, in turn locked along the pins 118 with appropriate threaded grub screws screwed in the side of each bushing; or else, to enhance the grip of the threaded grub screws, the pins 118 can be threaded, the bracket 112 can be locked in position along the pins 118 for example by means of the aforesaid bushings which in turn can be locked along the pins 118 by means of the aforesaid threaded grub screws.
  • Such bushings can be positioned and fixed along the pins 118 more quickly than the threaded nuts 122 .
  • the diffuser panel 9 and the wall opening 7 can also have non-rectangular perimeters, and can also be non-planar in shape, for example concave, convex or corrugated, although preferably highly bevelled.
  • the spacers 11 ' can bear on the flange 13 or other portion of the box-shaped body 5 , or in any case engage with the box-shaped body to fix the distance D.
  • the tabs 110 can be replaced by other types of spacers, for example by pins or other buffers fixed directly to the diffuser panel 9 and that bear directly against the wall P that delimits the environment to be ventilated.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Duct Arrangements (AREA)
EP17183612.5A 2016-07-27 2017-07-27 Entlüftungsbaueinheit und herstellungsverfahren dafür Not-in-force EP3276270B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102016000078849A IT201600078849A1 (it) 2016-07-27 2016-07-27 Procedimento per realizzare una bocchetta nascosta migliorata per impianti di ventilazione, riscaldamento e climatizzazione, e assieme bocchetta per attuare tale procedimento.

Publications (2)

Publication Number Publication Date
EP3276270A1 true EP3276270A1 (de) 2018-01-31
EP3276270B1 EP3276270B1 (de) 2019-06-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17183612.5A Not-in-force EP3276270B1 (de) 2016-07-27 2017-07-27 Entlüftungsbaueinheit und herstellungsverfahren dafür

Country Status (2)

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EP (1) EP3276270B1 (de)
IT (1) IT201600078849A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3686504A1 (de) * 2019-01-25 2020-07-29 De Zuylenkamp B.V. Luftauslass sowie wand und ofen mit einem solchen luftauslass
IT202000000445A1 (it) 2020-01-13 2021-07-13 Ideal Clima Srl Assieme bocchetta, procedimento per installarlo e procedimento per utilizzarlo.
CN115341571A (zh) * 2022-08-08 2022-11-15 中建三局第三建设工程有限责任公司 多层地下空间逆作法施工方法和地下施工用通风***

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135441A (en) 1977-03-22 1979-01-23 Specified Ceiling Systems Integrated air diffuser
DE8703921U1 (de) * 1987-03-16 1988-04-14 Schako Metallwarenfabrik Ferdinand Schad KG Zweigwerk Kolbingen, 7201 Kolbingen Zuluftauslaß für Klimaanlagen
US5107755A (en) 1990-10-19 1992-04-28 Leban Group Inconspicuous, room-ceiling-mountable, non-productive-energy-loss-minimizing, air diffuser for a room
US6375142B1 (en) * 2000-09-05 2002-04-23 United Speaker Systems, Inc. Speaker frame housing and clamp assembly for wall or ceiling mounts and method
DE20306453U1 (de) * 2003-04-25 2003-08-14 Zehnder Verkauf Verwaltung Gehäuse für die Luftdurchführung
EP2587179A2 (de) * 2011-10-26 2013-05-01 YIT Germany GmbH Luftdurchlass

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135441A (en) 1977-03-22 1979-01-23 Specified Ceiling Systems Integrated air diffuser
DE8703921U1 (de) * 1987-03-16 1988-04-14 Schako Metallwarenfabrik Ferdinand Schad KG Zweigwerk Kolbingen, 7201 Kolbingen Zuluftauslaß für Klimaanlagen
US5107755A (en) 1990-10-19 1992-04-28 Leban Group Inconspicuous, room-ceiling-mountable, non-productive-energy-loss-minimizing, air diffuser for a room
US6375142B1 (en) * 2000-09-05 2002-04-23 United Speaker Systems, Inc. Speaker frame housing and clamp assembly for wall or ceiling mounts and method
DE20306453U1 (de) * 2003-04-25 2003-08-14 Zehnder Verkauf Verwaltung Gehäuse für die Luftdurchführung
EP2587179A2 (de) * 2011-10-26 2013-05-01 YIT Germany GmbH Luftdurchlass

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3686504A1 (de) * 2019-01-25 2020-07-29 De Zuylenkamp B.V. Luftauslass sowie wand und ofen mit einem solchen luftauslass
IT202000000445A1 (it) 2020-01-13 2021-07-13 Ideal Clima Srl Assieme bocchetta, procedimento per installarlo e procedimento per utilizzarlo.
CN115341571A (zh) * 2022-08-08 2022-11-15 中建三局第三建设工程有限责任公司 多层地下空间逆作法施工方法和地下施工用通风***
CN115341571B (zh) * 2022-08-08 2023-11-07 中建三局第三建设工程有限责任公司 多层地下空间逆作法施工方法和地下施工用通风***

Also Published As

Publication number Publication date
IT201600078849A1 (it) 2018-01-27
EP3276270B1 (de) 2019-06-19

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