EP0149053A2 - Dispositif d'aération pour locaux - Google Patents

Dispositif d'aération pour locaux Download PDF

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Publication number
EP0149053A2
EP0149053A2 EP84113853A EP84113853A EP0149053A2 EP 0149053 A2 EP0149053 A2 EP 0149053A2 EP 84113853 A EP84113853 A EP 84113853A EP 84113853 A EP84113853 A EP 84113853A EP 0149053 A2 EP0149053 A2 EP 0149053A2
Authority
EP
European Patent Office
Prior art keywords
housing
ventilation device
insert body
longitudinal
air duct
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
EP84113853A
Other languages
German (de)
English (en)
Other versions
EP0149053A3 (en
EP0149053B1 (fr
Inventor
Eckhard Kucharczyk
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.)
Siegenia Aubi KG
Original Assignee
Siegenia Frank 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 Siegenia Frank KG filed Critical Siegenia Frank KG
Priority to AT84113853T priority Critical patent/ATE46964T1/de
Publication of EP0149053A2 publication Critical patent/EP0149053A2/fr
Publication of EP0149053A3 publication Critical patent/EP0149053A3/de
Application granted granted Critical
Publication of EP0149053B1 publication Critical patent/EP0149053B1/fr
Expired 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
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • F04D29/664—Sound attenuation by means of sound absorbing material
    • 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
    • F24F13/20—Casings or covers
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • 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 invention relates to a ventilation device for rooms with a radial fan arranged in a cuboid housing and a casing spiral comprising the impeller within the housing as an insert body.
  • An inadequacy in the known ventilation device lies in the fact that not only the impeller, but also the casing spiral encompassing it consist of soundproof material, namely sheet metal.
  • the invention is based on the object of designing a ventilation device for rooms of the type mentioned at the outset in such a way that a good sound-absorbing effect is achieved even if there are no long flow paths within the cuboid housing or these are not provided with sound-absorbing linings for functional reasons can be.
  • the casing spiral for the impeller and an approximately tangential and / or radially adjoining air duct are formed directly by an insert body made of sound-absorbing material, for example foam plastic or foam rubber .
  • a further development feature of the invention to achieve the same object is seen in claim 2 in that the wall of the casing spiral opposite a connectable to the outside air passage of the casing spiral of a plate-like flat insert body made of sound-absorbing material, e.g. B. foam plastic or foam rubber, is formed, on the inside of which a support plate of soundproof material rests, to which the stator of the radial fan is attached.
  • a plate-like flat insert body made of sound-absorbing material, e.g. B. foam plastic or foam rubber
  • a particularly advantageous embodiment of the ventilation device can be achieved according to claim 3 in that the plate-like flat insert body only covers the part of the guide channel adjoining the casing spiral tangentially, while the radial part of the same over its entire length is spaced from the opposite housing end wall and / or has a soundproofing pad attached to it.
  • the plate-like flat insert body only covers the part of the guide channel adjoining the casing spiral tangentially, while the radial part of the same over its entire length is spaced from the opposite housing end wall and / or has a soundproofing pad attached to it.
  • the long sides of the insert body containing the casing spiral and the air duct are provided with bevels at least over the longitudinal section containing the radial part of the air duct, which are at an acute angle to the Adjacent longitudinal walls of the housing extend, air passages, z. B. in the form of a grid perforation.
  • each swivel flap is mounted on the longitudinal walls of the housing near the rear wall of the housing and consists of a profile having two obtuse angles to one another, the angular distance of the legs from one another to the angle between the End face and the inclined longitudinal side of the insert body containing the casing spiral and the air duct is matched.
  • each swivel flap is adjustable between its closed position and its open position by means of a rotary knob or toggle mounted on the end wall of the housing via a crank pin which engages in a cam slot provided on the free leg of the swivel flap.
  • a simple structure of the ventilation device can be achieved according to the invention in that, according to claim 8, the longitudinal side walls and the end wall of the cuboid housing are each formed by extruded profiles made of light metal or plastic, while its transverse walls are made as molded parts from light metal die-casting or plastic injection molding and the rear wall is a sheet metal folding molding. It is advantageous if, according to claim 9, the two longitudinal side walls of the cuboid housing consist of the same, but mirror-image to each other extruded profiles, while the end wall of the same is formed by two mirror-inverted extruded profiles and an additional extruded profile coupling them together.
  • a ventilation device for rooms is shown, which is particularly suitable for arrangement on the inside of building walls, for example in living and working rooms.
  • the ventilation device has a cuboid housing 1 with a housing rear wall 2, two housing longitudinal walls 3 'and 3 "; two housing transverse walls 4' and 4" and a housing end wall 5.
  • the housing rear wall 2 is, for example, made of sheet metal as a bent molding which has two longitudinal flanges 2 'and 2 "and is provided with a circular air passage opening 2"' (FIG. 2), for example punched out.
  • the two housing transverse walls 4 ′ and 4 ′′ are detachably connected to the housing rear wall 2 at the opposite transverse edges. It is advantageous here for the housing transverse walls 4 ′ and 4 ′′ to be molded from light metal die-casting or to produce plastic injection molding and thus to provide it with stiffening ribs in a simple manner with a relatively small wall thickness, and also to provide openings, cavities and chambers for receiving electrical switching and installation elements, as is shown in FIG. 2 in connection with the housing Cross wall 4 "is shown.
  • the housing rear wall 2 engages with its transverse edges in rabbet-like shoulders 4 "'of the housing transverse walls 4' and 4", as is indicated in FIG. 2 with reference to the housing transverse wall 4 "' Housing transverse walls 4 'and 4 "' relative to the housing rear wall 2 guaranteed.
  • the longitudinal walls 3 'and 3 "of the housing are advantageously made of light metal or plastic extruded profiles which have molded-on profile webs 6' and 6" at least along or near their longitudinal edges, as can be seen in FIG. 4 .
  • the profile web 6 ' is shaped such that it delimits a longitudinal groove 8 with a hook-like profile nose 7', which is open towards the longitudinal edge 9 of the longitudinal housing walls 3 'and 3 ".
  • these longitudinal grooves 8 of the longitudinal housing walls 3' and 3 come the two angled longitudinal flanges 2 'and 2" of the housing rear wall 2 for engagement, as can be clearly seen from FIGS. 3 and 4.
  • Another profile nose 7 "of the profile web 6 ' is directed towards the opposite side and is shaped in such a way that it delimits a groove 11 with a circular arc in cross section with a bead 10 located directly on the inside of the housing longitudinal walls (FIG. 4).
  • the profile web 6 is arranged and designed such that, together with a bead lying directly on the second longitudinal edge 12 of the housing longitudinal walls 3 'and 3", it delimits a groove 13 which is circular in cross-section.
  • Each housing longitudinal wall 3 'and 3 engages with its two transverse edges 3'" in rabbet-like recesses of the housing transverse walls 4 'and 4 ", which are similar to the rabbet-like recesses 4"' for the transverse edges of the housing rear wall 2.
  • the housing end wall 5 is composed of several extruded profiles arranged parallel to one another, which can also be made of light metal or plastic. In this case, it is formed by at least two extruded profiles 5 'and 5 "which are mirror images of one another. In the exemplary embodiment shown, the two extruded profiles 5' and 5" are coupled to one another by an interposed third extruded profile 5 "', as can be clearly seen in FIG. 3 is.
  • extruded profiles 5 ', 5 "and 5"' or the housing end wall 5 formed by them engage or engage with them transverse edges for securing the position in fold-like depressions which are formed corresponding to the fold-like depressions 4 "" and on the boundary edge of the Housing transverse walls 4 'and 4 "lie, as can be seen from Fig. 1.
  • the two extruded profiles 5 'and 5 "lying in mirror image to one another can each be pivoted into the circular grooves 13 of the housing longitudinal walls 3' and 3" by means of integrally molded and circular-arch profiled coupling webs 14, as can be clearly seen in FIG. Then they are turned towards each other
  • the outer surface of the housing rear wall 2 is covered with a vibration-damping coating 18, for example a thin layer of elastic foam plastic or foam rubber. This covering is provided in the aligned position with the air passage opening 2 "'of the housing rear wall 2 with a corresponding cutout 18'.
  • a radial blower 19 is arranged within the cuboid housing 1 of the ventilation device between the housing rear wall 2, the two housing longitudinal walls 3 ', 3 "and the housing end wall 5, as can be seen in FIGS. 2 and 2.
  • This radial fan 19 is formed by an impeller 20 and a casing spiral 21 surrounding it, an electric motor 22 serving to drive the impeller 20, the stator 23 of which sits on a holding plate 24.
  • Stator 23 of the electric motor 22 is provided within the cuboid housing 1 in such a way that the impeller 20 is held in the axial alignment with the air passage opening 2 ′′ in the rear wall 2 of the housing.
  • the cladding - scroll 21 of the radial fan 19 is directly formed into a block-like shaped insert body 25 of sound-insulating material, eg. B. foam plastic or foam rubber.
  • This insert body 25 also contains a section 26, which is approximately tangential to the casing spiral 21, and, in turn, a section 27 of an air duct 28 (FIG. 1) which is connected radially to the casing spiral 21 and to the impeller 20.
  • the opening area of the casing spiral 21 opposite the air passage opening 2 ′ ′′ in the rear wall 2 of the housing and the adjoining tangential length section 26 of the air duct 28 is closed off from the front wall 5 by the holding plate 24 for the stator 23 of the electric motor 22, which drives the impeller 20.
  • the holding plate 24 is preferably made of soundproof material, for example sheet metal, and sits on a plate-like flat insert body 29 made of soundproofing material, for example foam plastic or foam rubber, as can be clearly seen in FIG.
  • the plate-like flat insert body 29 is supported by the housing end wall 5 of the cuboid housing 1 and the holding plate 24 is pressed elastically against the adjacent end face of the insert body 25, which on the other hand rests on the housing rear wall 2.
  • the section directed essentially radially to the casing spiral 21 or to the impeller 20 of the radial fan 19 27 of the air duct 28 containing the portion of the insert body 25, with its end face facing away from the housing rear wall 2, is at a certain distance 30 'or 30 "from the housing end wall 5, as can be clearly seen in FIG. 3 regions of the housing end wall 5 formed by the extruded profiles 5 ′ and 5 ′′ can be provided with layer supports 31; 31 "made of sound-absorbing material, for example foam plastic or foam rubber, while the central extruded profile 5"'advantageously turns its section 27 of the air duct 28 to its sound-hard surface.
  • each housing longitudinal wall 3', 3" is provided with an air passage opening, for example in the form of a grille perforation 33; 33 '; provided, as can be seen from FIGS. 2 and 3.
  • the long sides of the insert body 25 containing the casing spiral 21 and the air duct 28 are at least over the length portion 34 ′ or 34 having the radial part 27 of the air duct 28 "with bevels 35; 35 "provided, which run at an acute angle to the adjacent longitudinal housing walls 3 ', 3", as can be seen in FIG. 3.
  • This then makes it possible for the housing longitudinal walls 3 'and 3 "to be provided on a relatively large width section with grid perforations 33', 33" and consequently to obtain a correspondingly wide distribution of the air flow passing through.
  • pivoting flap 36 'or 36 in the cuboid housing 1 at least in the area of the grid perforations 33' and 33" intended.
  • Each of the swivel flaps 36 'and 36 "serves on the one hand as a closure member to shut off the air passage through the grille perforations 33' and 33", while on the other hand it acts as an air guide member in its open position.
  • the swivel flaps 36; 36 ′′ are each mounted on the housing longitudinal walls 3 ′, 3 ′′ in the vicinity of the housing rear wall 2, namely by having a longitudinal edge section 37 with an arcuate cross section in the circularly profiled groove 11 on the inside of the housing longitudinal wall 3 'or 3 "engages, as shown in FIG. 4.
  • Each swivel flap 36 ', 36 " can consist of an extruded profile, for example made of light metal or hard plastic, and has two obtuse angles to each other legs 38; 39' and 38", 39 ", the angular distance from each other to the angle between the end face and the inclined longitudinal side on the insert body 25 in the area of the air distribution channels 32; 32 "is matched.
  • This embodiment of the swivel flaps 36 ', 36 can also be clearly seen from FIG. 3.
  • crank pin 41; 41 " Each crank pin 41 'or 41” engages through an arcuate slot 42' or 42 "in the housing end wall 5 into a curved link slot 43 'or 43" which is located on the free leg 38' or . 38 "of the respective swivel flap 36 'or 36” is located (Fig. L).
  • the length of the crank pin 41; 41 “ is dimensioned such that they remain in engagement with the curved link slot 43 'or 43" over the entire range of motion of the swivel flaps 36', 36 ".
  • the filter insert 44 is assigned to the section 27 of the air duct 28 in the block-like insert body 25 which is directed radially to the casing spiral 21. He has a stiff-shaped and often zigzag-shaped folded filter material layer body 45, for example made of paper fleece, which along its longitudinal edges on two thin carrier plates 46 and 47, z. B. made of cardboard.
  • the filter insert 44 is received on a part of its height by a step 48, which is equidistant to the inner boundary wall of the air duct section 27 is molded into the insert body 25 (FIGS. 1 and 3). With the remaining part of its height, the filter insert 44 projects freely into the spacing area 30 ′, 30 ′′, which is left free between the housing end wall 5 and the surface of the insert body 25 facing it, as shown in FIG. 3.
  • the carrier plate 47 of the filter insert 44 is provided with a slot-like opening 49, through which the filter material layer body 45 corresponds to the air duct 28 and its filter surfaces formed by multiple folding are acted upon by the entering air before it enters the space 30 ', 30 " Inside the housing 1.
  • the support plate 46 of the filter insert 44 adjacent to the housing end wall 5 is designed to be closed over its entire surface, so that the air can only flow in a lateral direction from the filter insert 44 into the interior of the housing 1 before it closes the air passage openings, eg the grille perforations 33 ', 33 "; arrives in the longitudinal walls 3 ', 3 ".
  • a ventilation device of the type described in detail above can of course also be designed as a pure pressure differential ventilation device.
  • the main advantage of the ventilation device shown in the drawing and described in detail above is not only that it has a simple assembly and therefore particularly easy to maintain and repair, but it is also advantageous that it enables a large air throughput in a structurally small dimension, and also ensures good sound absorption.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Building Environments (AREA)
  • Catching Or Destruction (AREA)
EP84113853A 1984-01-14 1984-11-16 Dispositif d'aération pour locaux Expired EP0149053B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84113853T ATE46964T1 (de) 1984-01-14 1984-11-16 Lueftungsvorrichtung fuer raeume.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8400940U 1984-01-14
DE19848400940U DE8400940U1 (de) 1984-01-14 1984-01-14 Lueftungsvorrichtung fuer raeume

Publications (3)

Publication Number Publication Date
EP0149053A2 true EP0149053A2 (fr) 1985-07-24
EP0149053A3 EP0149053A3 (en) 1986-12-30
EP0149053B1 EP0149053B1 (fr) 1989-10-04

Family

ID=6762392

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84113853A Expired EP0149053B1 (fr) 1984-01-14 1984-11-16 Dispositif d'aération pour locaux

Country Status (3)

Country Link
EP (1) EP0149053B1 (fr)
AT (1) ATE46964T1 (fr)
DE (2) DE8400940U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001098715A1 (fr) 2000-05-02 2001-12-27 Siegenia-Frank Kg Dispositif de ventilation
FR2821660A1 (fr) * 2001-03-02 2002-09-06 Valeo Climatisation Structure d'absorption acoustique pour appareil de chauffage et/ou de climatisation, et appareil equipe d'une telle structure

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8606503U1 (de) * 1986-03-10 1986-05-28 Siegenia-Frank Kg, 5900 Siegen Lufteinlaß-, Luftauslaß- und/oder Luftverteilervorrichtung, insbesondere Lüftungsvorrichtung, für Räume
DE3908511C3 (de) * 1988-03-15 1998-02-12 Maico Elektroapparate Wandlüfter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2061535A (en) * 1932-04-15 1936-11-17 Davies Charles Ventilator
GB1107726A (en) * 1964-07-07 1968-03-27 Sound Attenuators Ltd Improved centrifugal fan or blower and a ventilator embodying the same
GB1486461A (en) * 1975-05-13 1977-09-21 Greenwood Airvac Ventilation Ventilator incorporating centrifugal fan
DE3151386A1 (de) * 1981-12-24 1983-07-14 FSL Fenster-System-Lüftung GmbH, 6800 Mannheim Geblaese, insbesondere einbaugeblaese

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001098715A1 (fr) 2000-05-02 2001-12-27 Siegenia-Frank Kg Dispositif de ventilation
FR2821660A1 (fr) * 2001-03-02 2002-09-06 Valeo Climatisation Structure d'absorption acoustique pour appareil de chauffage et/ou de climatisation, et appareil equipe d'une telle structure

Also Published As

Publication number Publication date
DE8400940U1 (de) 1984-04-05
EP0149053A3 (en) 1986-12-30
ATE46964T1 (de) 1989-10-15
DE3480020D1 (en) 1989-11-09
EP0149053B1 (fr) 1989-10-04

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