EP3292312A1 - Lüftereinheit zur be- und entlüftung von räumen eines gebäudes und rahmenbaugruppe, die eine derartige lüftereinheit umfasst - Google Patents
Lüftereinheit zur be- und entlüftung von räumen eines gebäudes und rahmenbaugruppe, die eine derartige lüftereinheit umfasstInfo
- Publication number
- EP3292312A1 EP3292312A1 EP16717254.3A EP16717254A EP3292312A1 EP 3292312 A1 EP3292312 A1 EP 3292312A1 EP 16717254 A EP16717254 A EP 16717254A EP 3292312 A1 EP3292312 A1 EP 3292312A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fan
- blower
- fan bearing
- front part
- opening
- 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
Links
- 239000006261 foam material Substances 0.000 claims abstract description 32
- 229920003023 plastic Polymers 0.000 claims abstract description 24
- 239000004033 plastic Substances 0.000 claims abstract description 24
- 238000003780 insertion Methods 0.000 claims abstract description 5
- 230000037431 insertion Effects 0.000 claims abstract description 5
- 238000009423 ventilation Methods 0.000 claims description 18
- 239000006260 foam Substances 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- -1 polyethylene Polymers 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- 229920001155 polypropylene Polymers 0.000 description 7
- 239000004743 Polypropylene Substances 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 5
- 239000002775 capsule Substances 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 239000011148 porous material Substances 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials 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
- F04D29/08—Sealings
- F04D29/083—Sealings 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
- F04D29/40—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
- F04D29/4226—Fan casings
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5853—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps heat insulation or conduction
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/612—Foam
-
- 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
- F24F2013/242—Sound-absorbing material
Definitions
- Fan unit for ventilation of rooms of a building and frame assembly comprising such a fan unit
- the present invention relates to a fan unit for ventilation of rooms of a building, wherein the fan unit comprises a fan blower having at least one blow-out opening and at least one blower opening, and a multi-part fan bearing, in particular for clamping insertion into a hollow chamber of a plastic profile , in particular a window or door profile comprises.
- the present invention relates to a frame assembly, wherein at least one of the frame assembly building profile beams is formed from a plastic profile, wherein in a hollow chamber of the plastic profile, a fan unit according to the invention is received by clamping.
- Ventilation devices that are used for ventilation of rooms of a building usually include at least one or more fans.
- the blowers which may be radial blowers, axial blowers or even tangential blowers, are generally embedded in die-cast housings. Such blowers with die-cast housing are accommodated in foamed damping material for sound reduction.
- foamed damping material for sound reduction.
- acoustically open damping materials are usually used today, in which there is a risk that the emerging from the fan, to be ventilated room of a building to be supplied supply air through the acoustically open, surrounding the fan housing material is sucked in again or that at the transition between the
- DE 103 10 973 B3 proposes a fan unit for ventilation of rooms of a building, in which the fan is completely encapsulated by a multi-part fan bearing, wherein the capsule parts adjacent to each other along a parting line are formed so that at their along the parting line adjacent sides of an acoustically closed system forming, form-fitting elements in the form of ribs and depressions, tongue and groove, are executed.
- the present invention which has set itself the task of providing a fan unit, which overcomes the disadvantages of the prior art.
- the present invention should manage with low material costs for the fan storage.
- the fan unit according to the invention should have an improved sound and heat insulation.
- a fan bearing front part which is connected to a fan bearing base on the side on which a blow-out opening is arranged, and at least one front part opening for the at least one blow-out opening of
- Fan blower wherein the fan bearing front part perpendicular to the discharge direction of the fan blower comprises a layer of closed-cell foam material.
- the layer of closed-cell foam material effectively prevents a heat and sound transition between the high-pressure side (blow-out of the fan) and low-pressure side (suction of the fan).
- the Lsymmetricerlagerfronttteil for a lateral jamming of the fan unit with the walls of a hollow chamber profile is completely sufficient to ensure a clamping storage of the fan unit according to the invention in a hollow chamber of a plastic profile.
- only a little foam material is needed for the fan bearing front part and the fan bearing base.
- the present invention provides a fan unit for ventilation of rooms of a building, wherein the fan unit comprises a fan blower, which has at least one blow-off opening and at least one blower opening, and a multi-part fan bearing, in particular for clamping insertion into a hollow chamber of a plastic profile, in particular a window or door profile, the multi-part fan bearing comprises a fan bearing base into which the fan blower is accommodated and the base part openings for the at least one exhaust opening and the at least one fan opening of the fan blower, and a fan bearing front part, which is connected to the fan bearing base on the side on which the exhaust opening is arranged, and at least one front part opening for the at least one exhaust opening of the
- Fan blower wherein the fan bearing front part perpendicular to the discharge direction of the fan blower comprises a layer of closed-cell foam material.
- the present invention provides a frame assembly, wherein at least one of the frame assembly building profile beams is formed from a plastic profile, wherein in a hollow chamber of the plastic profile at least one inventive fan unit is received by clamping.
- the fan bearing base part comprises an open-pore foam material, preferably consists of an open-pore foam material.
- open-cell foam materials have excellent heat-insulating and sound-absorbing properties, so that a further improvement of the heat and sound insulation is achieved by this measure.
- the fan bearing front part in addition to the layer of closed-cell foam material further comprises open-cell foam material, which is connected to the closed-cell foam material of the fan bearing front part.
- the achieved by the fan unit according to the invention of the heat and sound insulation is further improved.
- the fan bearing front part has an oversize to the fan bearing base part, in particular in a direction perpendicular to the discharge direction of the fan blower. This serves to clamp the fan unit according to the invention in a hollow chamber of a plastic profile, in particular a window or door profile.
- the closed-cell foam material of the fan bearing front part is arranged on the side facing away from the fan fan side of the fan bearing front part. This leads to a further maximization of thermal insulation by a geometric measure.
- the fan bearing front part comprises at least one reinforcement element.
- This may be, for example, a stabilizing frame around the the front opening to be assigned to the exhaust opening or to act on wire pieces inserted into the front section in a plane perpendicular to the blow-out direction of the fan blower.
- a reinforcing element effectively prevents the collapse of the foam material, in particular in the area around the front part opening to be assigned to the blow-out opening, and thus ensures the sealing of the blow-off opening over a relatively long period of time.
- the multi-part fan bearing further comprises at least one side part, which is / are connected to the fan bearing base part and / or the fan bearing front part.
- the clamping in the hollow chamber of the plastic profile can be improved or also completely effected.
- heat and sound insulation are further improved by such side panels.
- Such side parts are preferably made of an open-cell foam material. They are preferably glued to the fan bearing base and / or the fan bearing front part.
- the multi-part fan bearing further comprises at least one fan bearing back, which is connected to the fan bearing base part on its side facing away from the fan bearing front part, preferably glued.
- the fan bearing rear part preferably comprises in a plane perpendicular to the discharge direction of the blower a layer of a relative to the fan bearing base part harder, closed-pore foam material.
- the fan bearing back is particularly preferred as relative to the fan bearing base harder plastic plate, in particular foam plate formed.
- Thermoplastic polymers such as polyethylene (in particular high-density polyethylene HDPE) and polypropylene (in particular random polypropylene PP-R), polymers based on ethylene-vinyl acetate monomers (EVA) have therefore proven to be preferred materials for the foamed polymeric materials of the multipart fan bearing components. , Polyutethane and mixtures, copolymers and blends of said polymers proved.
- the porous foam material of the components of the multi-part fan bearing is softer than the closed-cell foam.
- the open-cell foam material has a density of from 30 kg / m 3 to 110 kg / m 3 , more preferably from 45 kg / m 3 to 80 kg / m 3 .
- the closed-cell foam material of the components of the multi-part fan bearing is preferably applied in each case in the form of a flexible film or a sprayable flexible coating to the respective open-pored components.
- the fan bearing according to the invention which encloses a preferably designed as axial, radial and tangential blower blower of a ventilation device can be used in ventilation devices that act as ceiling fans, floor fans, parapet ventilators and window ventilation in rooms of buildings with centralized or decentralized ventilation concept , Each arranged in a ventilation device
- Blower fan is enclosed to reduce the outgoing of the fan fan noise level of the multi-part fan bearing according to the invention.
- the invention will be explained in detail with reference to the embodiment shown in the figures. Show
- FIG. 1 is a perspective view of a fan unit according to an embodiment of the present invention.
- FIG. 2 shows a perspective exploded view of the embodiment of the fan unit according to the invention shown in FIG. 1;
- FIG. 3 shows a schematic illustration of a frame assembly according to an embodiment of the present invention.
- FIG. 1 An embodiment of a fan unit 1 according to the invention for ventilation of rooms of a building is shown in FIG. 1 in a schematic, perspective view.
- the fan unit 1 according to the invention comprises a multi-part fan bearing 2 and a fan blower 3 designed as a radial fan with an exhaust opening 4, through which air is blown out of the fan blower 3, and a blower opening 5 through which air is drawn into the fan blower 3.
- the multi-part fan bearing 2 of the fan unit 1 comprises a fan bearing base part 6, fan bearing front part 7, two
- Fan bearing side parts 8, 9 and a fan bearing back 10 may be single or both and / or the fan bearing back 10 may be missing.
- the fan bearing base 6 is in the embodiment shown, a cuboid of an open-cell foam material, preferably foamed polyethylene or polypropylene. Thereby, the sound generated by the fan blower 3 as well as air movements can be effectively absorbed.
- the fan bearing base 6 has an inner cavity whose shape is adapted to the outer geometry of the fan blower 3. As a result, the fan blower 3 is received in the fan bearing base 6. To connect the fan blower 3 may be glued into the fan bearing base 6.
- the fan bearing base part 6 has two base part openings 11, 12, wherein the base part opening 11 is associated with the exhaust opening 4 and releases it.
- the base part opening 12 is associated with the fan opening 5 of the fan blower 3 and thus allows the suction of air into the fan blower third
- the fan bearing front part 7 is formed in the embodiment shown substantially cuboid and has laterally opposite the fan bearing base and thus the fan blower 3 on an excess.
- the side edges of the fan bearing front part 7 are rounded and an upper corner (in Fig. 1 right) is adapted to adapt to the geometry of a hollow chamber of a plastic profile 13, in which the fan unit 1 according to the invention is to be accommodated, bevelled.
- the fan bearing front part 7 is connected to the
- the fan bearing front part 7 has a front part opening 14, which lies in the fan unit 1 according to the invention over the base part opening 1 1.
- the front part opening 14 and the base part opening 11 give the exhaust opening 4 of the
- the fan bearing front part 7 further comprises a reinforcing element (not shown) which is designed as arranged around the front part opening 14 stabilizing frame, preferably made of wire.
- the reinforcing element can also be wire pieces or the like inserted into the fan bearing front part 7 in a plane perpendicular to the discharge direction of the fan blower 3.
- Such a reinforcing element effectively prevents the collapse of the foam material, in particular in the area around the front part opening 14, which contributes to the maintenance of the sealing of the blow-out opening 4 over a longer period of time.
- the fan bearing front part 7 At its fan fan 3 side facing the fan bearing front part 7 of an open-cell foam material, preferably foamed polyethylene or polypropylene. Perpendicular to the discharge direction of the fan blower 3, the fan bearing front part 7 has a layer of closed-cell foam material.
- the closed-cell foam material is harder than the open-pore foam and is made flexible by sticking on a correspondingly flexible len foil applied to the open-pored material.
- the closed-cell foam material can absorb point loads acting on the fan unit 1 according to the invention and can be transferred over a large area onto the open-pored foam material, which contributes to the longevity of the fan blower 3.
- the multi-part fan bearing 2 further comprises two side parts 8, 9, which are connected to the fan bearing base 6 and the fan bearing front part 7, in particular glued.
- the two side parts 8, 9, on the one hand the clamping in the hollow chamber of the plastic profile 13 can be effected.
- the in turn cuboid side parts 8, 9 are made of an open-cell foam material, preferably foamed polyethylene or polypropylene.
- the side parts 8, 9 on the other hand accomplish a reduction of the air and sound exchange between the high-pressure side (blow-out opening 4 of the fan blower 3) and the low-pressure side (suction opening 5 of FIG.
- An upper corner (in Fig. 1, right) of the side part 8 is also formed according to the fan bearing front part 7 to adapt to the geometry of a hollow chamber of a plastic profile 13, in which the fan unit 1 according to the invention is to be recorded, chamfered.
- the multi-part fan bearing 3 further comprises a in the exploded view of FIG. 2 to be recognized fan bearing back 10, which is connected to the fan bearing base part 6 on its side facing away from the fan bearing front part 7, preferably glued.
- the fan bearing rear part 7 comprises in a plane perpendicular to the discharge direction of the
- Fan blower 3 a layer of a relative to the fan bearing base 6 harder, closed-cell foam material, in particular made of foamed polyethylene or polypropylene. As a result, the positional stability of the fan unit 1 according to the invention in the discharge direction of the fan blower 3 is ensured. In that sense, that is
- FIG. 3 shows by way of example a schematic representation of a frame assembly 15 according to the invention.
- the frame assembly 15 according to the invention is designed as a window frame assembly 15.
- the frame assembly 15 according to the invention is composed of four bars of a plastic profile 13 welded in the corners. In this case, it is preferable to carry out the welding of the mitred profile rails in such a way that the hollow chambers of the individual profiles are circumferentially executed are. At least the profile rails required for the ventilation of the ventilation system should be welded together so that the hollow chambers of the welded together left, right and upper profile rails in these areas are continuous.
- the left side rail and the right side rail are identical to each other.
- the fan unit 1 according to the invention is inserted into the recess obtained, wherein the side parts 8, 9 lateral clamping between the hollow chamber wall and inventive Cause fan unit 1.
- the fan bearing rear part 10 supports the fan unit 1 according to the invention against the edge of the recess.
- the recess is closed to the folded side by a corresponding lid with seal.
- the left-hand spar of the frame assembly 15 according to the invention comprises two fan units 1 according to the invention, wherein the fan blowers 3 are preferably designed as radial fans.
- a preferably designed as a countercurrent heat exchanger heat exchanger 16 is arranged between the fan units 1 according to the invention.
- an outside air grille 17, a filter 18, an operating and display panel 19, an exhaust air grille 20, a flap 21 and a Zu povertygitter 22 is added to the left profile rail.
- the profile spar shown in Fig. 3 right is analogous to the left profile spar, the right profile spar, in contrast to the left profile spar no control and display panel 19 has.
- a control element 23 is received, which is arranged approximately centrally in the upper profile spar.
- the control element 23 in this case also includes the power supply unit, which is connected to the power supply of the ventilation system with the house network. On both sides of the control element 23 is in the upper spar each one
- the air present in a room is drawn as exhaust air via the exhaust grille 24 of the upper spar of the frame assembly 15 according to the invention by the movement of the ventilation fan 3 through the filter 25 and out through the respective heat exchanger 16 and through the exhaust grille 20 to the outside.
- This path of the air from the interior of the room to the outside is shown hatched in Fig. 3.
- outside air passes through the outside air grille 17 into the left or right profile rail, the air movement again taking place under the influence of the fan blower 3. From there, the outside air is absorbed by the heat Scher 16 out where the air sucked from the outside at least partially resumes the output of the warmer interior air to the heat exchanger 16 energy. From there, the outside air passes as supply air through the supply air grid 22 in the interior of the room. This path of the outside air and supply air from the outside into the room is shown in Fig. 3 as a solid line.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202015102251.4U DE202015102251U1 (de) | 2015-05-04 | 2015-05-04 | Lüftereinheit zur Be- und Entlüftung von Räumen eines Gebäudes und Rahmenbaugruppe, die eine derartige Lüftereinheit umfasst |
PCT/EP2016/000619 WO2016177451A1 (de) | 2015-05-04 | 2016-04-15 | Lüftereinheit zur be- und entlüftung von räumen eines gebäudes und rahmenbaugruppe, die eine derartige lüftereinheit umfasst |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3292312A1 true EP3292312A1 (de) | 2018-03-14 |
EP3292312B1 EP3292312B1 (de) | 2020-05-06 |
Family
ID=55794931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16717254.3A Active EP3292312B1 (de) | 2015-05-04 | 2016-04-15 | Lüftereinheit zur be- und entlüftung von räumen eines gebäudes und rahmenbaugruppe, die eine derartige lüftereinheit umfasst |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3292312B1 (de) |
DE (1) | DE202015102251U1 (de) |
WO (1) | WO2016177451A1 (de) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1107726A (en) * | 1964-07-07 | 1968-03-27 | Sound Attenuators Ltd | Improved centrifugal fan or blower and a ventilator embodying the same |
DE3151386A1 (de) * | 1981-12-24 | 1983-07-14 | FSL Fenster-System-Lüftung GmbH, 6800 Mannheim | Geblaese, insbesondere einbaugeblaese |
GB2218799A (en) * | 1988-05-17 | 1989-11-22 | Diffusion Environmental System | Sound attenuating ventilator |
DE9313426U1 (de) * | 1993-09-07 | 1993-10-14 | Siegenia-Frank Kg, 57074 Siegen | Lüftungsvorrichtung für Räume |
DE19803335B4 (de) * | 1998-01-29 | 2009-01-29 | Stiebel Eltron Gmbh & Co. Kg | Lüftungsgerät für einen Gebäuderaum |
DE10310973B3 (de) | 2003-03-13 | 2005-06-02 | Erwin Müller GmbH | Lüftungsvorrichtung mit Schall- und Akustikkapselung |
IT1397593B1 (it) * | 2009-12-21 | 2013-01-16 | Rimor S R L | Cabina insonorizzante per un ventilatore centrifugo. |
-
2015
- 2015-05-04 DE DE202015102251.4U patent/DE202015102251U1/de not_active Expired - Lifetime
-
2016
- 2016-04-15 EP EP16717254.3A patent/EP3292312B1/de active Active
- 2016-04-15 WO PCT/EP2016/000619 patent/WO2016177451A1/de active Application Filing
Also Published As
Publication number | Publication date |
---|---|
DE202015102251U1 (de) | 2016-08-05 |
EP3292312B1 (de) | 2020-05-06 |
WO2016177451A1 (de) | 2016-11-10 |
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Legal Events
Date | Code | Title | Description |
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