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WO2016116871A1 - Grille d'aspiration pour guide d'air d'une hotte domestique, guide d'air présentant ladite grille et hotte domestique présentant ledit guide d'air - Google Patents

Grille d'aspiration pour guide d'air d'une hotte domestique, guide d'air présentant ladite grille et hotte domestique présentant ledit guide d'air Download PDF

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Publication number
WO2016116871A1
WO2016116871A1 PCT/IB2016/050269 IB2016050269W WO2016116871A1 WO 2016116871 A1 WO2016116871 A1 WO 2016116871A1 IB 2016050269 W IB2016050269 W IB 2016050269W WO 2016116871 A1 WO2016116871 A1 WO 2016116871A1
Authority
WO
WIPO (PCT)
Prior art keywords
air guide
spokes
grid
underside
length
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.)
Ceased
Application number
PCT/IB2016/050269
Other languages
English (en)
Inventor
Gennaro Buonomo
Sandrino ROSCINI
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.)
Elica SpA
Original Assignee
Elica SpA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=52727249&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2016116871(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Elica SpA filed Critical Elica SpA
Priority to EP16709127.1A priority Critical patent/EP3247952B1/fr
Priority to PL16709127T priority patent/PL3247952T3/pl
Priority to ES16709127T priority patent/ES2721779T3/es
Publication of WO2016116871A1 publication Critical patent/WO2016116871A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F24F13/082—Grilles, registers or guards
    • 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
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially 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
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F24C15/20—Removing cooking fumes

Definitions

  • the present invention relates to a suction grid for an air guide of a domestic hood, an air guide having such grid and a domestic hood having such air guide, as defined in the preambles of claims 1, 8 and 12 respectively.
  • a suction grid in an air guide for a domestic hood is basically provided to avoid the risk that a user may touch with his/her fingers the impeller of the ventilation unit located in the air guide, or to prevent the impeller from being broken due to the intrusion of a foreign body into the impeller, or for similar purposes.
  • suction grids include a plurality of spokes, which define openings for the passage of the air extracted, for instance, by the ventilation unit of a domestic hood.
  • the openings in the suction grid are sized in accordance with international standards such as:
  • CEI EN 60335-2-31 Safety of household and similar electrical appliances Part 2 Particular requirements for range hoods.
  • a prior art suction grid has spokes arranged in a checkered pattern.
  • spoke arrangements are also known, such as those still having a checkered pattern but with spokes alternated with a plurality of concentric rings or arranged in a pattern that has no regular geometric shape.
  • the object of the present invention is to provide a suction grid having such characteristics as to obviate the above mentioned drawbacks of the prior art.
  • this object is fulfilled by a suction grid for an air guide of a domestic hood as defined in claim 1.
  • the present invention can provide a suction grid that has lower noise levels as well as a reduced flow turbulence, thereby affording improved performances using the same ventilation unit.
  • FIG. 1 shows a top view of a suction grid of the present invention
  • Figures 2A and 2B show a sectional profile along spokes of the suction grid of Figure 1 ;
  • FIG. 3 A shows a side view of an air guide for a domestic hood with the suction grid of Figure 1 according to the present invention
  • FIG. 3B shows an exploded view of the parts of the air guide of Figure
  • Figure 3 C shows a side view of the air guide of Figure 3 A
  • Figure 3 C shows a sectional view of the air guide of Figure 3 A
  • FIG. 3D shows a view of one of the two half-shells of the air guide with the suction grid of Figure 1.
  • numeral 1 designates a suction grid, particularly designed to be installed on an air guide 2, in turn located in a domestic hood, which may be either an extractor or a filter hood (not shown).
  • suction grid is intended to cover any type of device that acts as a grid or as a protection member for a motor unit for extracting gases.
  • the grid 1 defines a central area 10 and a peripheral edge 11 and comprises a first plurality of spokes 12 in mutually spaced relationship.
  • each spoke of the first plurality of spokes 12 extends along a curvilinear path 13 from the central area 10 toward the peripheral edge 1 1 (in the direction indicated by the arrow of the curvilinear path 13 of Figure 2 A).
  • the first plurality of spokes 12 are more closely spaced proximate to the central area 10 and become less densely spaced toward the peripheral edge 1 1 of the grid 1.
  • each spoke of the first plurality of spokes 12 defines a profile 14 that is warped around the path 13.
  • warped profile is intended to designate the progressively changing angles formed by the profile section in the three dimensions along the path 13.
  • the grid 1 defines a vertical axis X-X that extends through a point C in the central area 10, such point representing the geometric center of the grid and the axis X-X being an axis for the grid itself.
  • the first plurality of spokes 12 is periodic about said axis X- X.
  • This parallelogram has a front side 14A, a rear side 14B, opposite to the front side 14 A, an underside 14C and a topside 14D, opposite to the underside 14C.
  • the ratio of the front side 14A or the rear side 14B to the underside 14C or the topside 14D changes from the central area 10 toward the peripheral edge.
  • the ratio of the front side 14A or the rear side 14B to the underside 14C or the topside 14D at a given point of the path 13 is not the same as the ratio that is found at a point that precedes or follows the point being considered.
  • the front side 14A has a direction of extension parallel to the direction of extension of the rear side 14B, the length of the front side 14A is equal to the length of the rear side 14B and this length remains constant along the path 13, for example as shown in Figure 2 A, is "a";
  • the underside 14C has a direction of extension parallel to the direction of extension of the topside 14C, the length of the underside 14C is equal to the length of the topside 14D and this length increases in the direction from the central area 10 to the peripheral edge 11 of the grid 1 , for example, as shown in Figure 2A, from "bi" to "b n ".
  • the front side 14A and the rear side 14B of the profile 14 are shown to be constant and equal to "a" in all the sections normal to the path 13, whereas the underside 14C and the topside 14D increase from the center 10 toward the peripheral edge 11, from the length "bi" to the length "b n ".
  • the a to b ratio for each spoke of the first plurality of spokes 12 i.e. the parallelogram
  • the ratio of the front side 14A or the rear side 14B to the underside 14C or the topside 14D proximate to the central area 10, e.g. a/b l3 is greater than the ratio of the front side 14A or the rear side 14B to the underside 14C or the topside 14D proximate to the peripheral edge, e.g. a/b n .
  • the grid 1 comprises a plurality of rings 20, which are preferably coaxial with the axis X-X.
  • each ring of the plurality of rings 20 is connected to the front side 14A of each spoke of the first plurality of spokes 12.
  • the plurality of rings 20 comprises at least three rings, each having a diameter value D that increases from the center C toward the peripheral edge 1 1.
  • the grid 1 comprises a second plurality of mutually spaced spokes.
  • each spoke of the second plurality of spokes 30 extends along a curvilinear path 31 from one of the aforementioned rings 20 toward the peripheral edge 11 (in the direction indicated by the arrow of the curvilinear path 13 of Figure 2A).
  • the second plurality of spokes 30 are more closely spaced proximate to the central area 10 and become less densely spaced toward the peripheral edge 11 of the grid 1.
  • the second plurality of spokes 30 is also periodic about said axis X-X. As shown in Figure 1, each spoke of the second plurality of spokes 30 is interposed between two spokes of said first plurality of spokes 12.
  • the path 31 along which each spoke of the second plurality of spokes 30 extends is substantially similar in its form to the path 13 along which each spoke of the first plurality of spokes 12 extends.
  • each spoke of the second plurality of spokes 30 defines a profile 32 that is warped around the path 31.
  • the profile 32 also referring to Figure 2B, in any section normal to the path 31 (ideally) defines a parallelogram excepting the radii of curvature. )
  • This parallelogram has a front side 32A, a rear side 32B, opposite to the front side 32A, an underside 32C and a topside 32D, opposite to the underside 32C.
  • the ratio of the front side 32A or the rear side 32B to the underside 32C or the topside 32D changes from one of the aforementioned rings 20 toward the peripheral edge 1 1.
  • the ratio of the front side 32 A or the rear side 32B to the underside 32C or the topside 32D at a given point of the path 31 is not the same as the ratio that is found at a point that precedes or follows the point being considered.
  • the front side 32 A has a direction of extension parallel to the direction of extension of the rear side 32B, the length of the front side 32A is equal to the length of the rear side 32B and this length remains constant along the path 31 , for example as shown in Figure 2B, is "c";
  • the underside 32C has a direction of extension parallel to the direction of extension of the topside 32C, the length of the underside 32C is equal to the length of the topside 32D and this length increases in the direction from the central area 10 to the peripheral edge 1 1 of the grid 1 , for example, as shown in Figure 2B, from "bl" to "bn".
  • the front side 32A and the rear side 32B of the profile 14 are shown to be constant and equal to "c" in all the sections normal to the path 31, whereas the underside 32C and the topside 32D increase from the center 10 toward the peripheral edge 11, from the length "bl" to the length "bn".
  • the c to b ratio for each spoke of the second plurality of spokes 30 is not constant throughout the path 31 , but decreases in the direction from the central area 10 to the peripheral edge 11 of the grid 1, which means that the ratio of the front side 32A or the rear side 32B to the underside 32C or the topside 32D proximate to the central area 10, e.g. c/bi, is greater than the ratio of the front side 32A or the rear side 32B to the underside 32C or the topside 32D proximate to the peripheral edge, e.g. c/b n .
  • each spoke of the first or second plurality of spokes 12, 30 has: a) an angle a ranging from 5° to 15° and preferably of 8°, such angle a being determined relative to the plane orthogonal to X-X and the lines containing the topsides 14C and 32C of the profiles 14, 32; b) proximate to the peripheral edge 1 1, i.e.
  • a suction grid 1 Due to the conformation of the first plurality of spokes 12 a suction grid 1 is obtained, that has lower noise levels as well as a reduced flow turbulence, thereby affording improved performances using the same ventilation unit.
  • the conformation of the first and second pluralities of spokes 12, 30 can define openings that comply with the aforementioned applicable standards, ensuring user safety during normal operation of the grid.
  • the air guide 2 has an axis of rotation R about which a housing 40 is defined, which has a first axial suction port 41 and a second axial suction port 42 opposite to the first suction port 41 and a tangential outlet port 43.
  • the suction grid 1 is closed by the suction grid 1 and, particularly, such suction grid 1 is made of one piece with the housing 40, e.g. by molding;
  • the second port 42 is closed by a prior art suction grid 42A or, alternatively, may be closed by the grid 1 and, particularly, such suction grid 42A may be formed separately from the housing 40 and connected thereto by usual connection techniques.
  • the air guide 2 comprises a drive unit 44B composed of an electric motor 44 and an impeller 45 connected with a drive shaft 44 A of the electric motor 44, both located within the housing 40 that acts as an air guide.
  • the housing 40 has a substantially toroidal shape with two side walls 46, 47 delimiting the suction ports 41 , 42, and a peripheral wall 48 (known as volute), which forms a substantially tangential portion defining the port 43.
  • the housing 40 is composed of two half-shells 49, 50, which are connected together along a junction line 52 in the peripheral wall 48 by complementary junction edges 52 having a step-like cross section, to thereby form a labyrinth connection interface, and a plurality of alignment pins 53 projecting out of the junction edge 52 of one of the half-shells 49, 50 respectively, and received in corresponding alignment holes 54 formed in the junction edge 52 of the other half-shell.
  • the suction ports 41, 42 have a circular shape and are coaxial with the impeller 45 (which also has a circular shape) and the inside diameter Dl of the edge of the suction port 41, 42 (not considering the support portions) is smaller than the inside diameter D2 of the end of the impeller that faces it.
  • the tangential port 42 has its own plane of symmetry P (see Figure 3C) perpendicular to the axis of symmetry R of the first and second axial ports 41 , 42.
  • the axis of rotation (or symmetry) R-R and the plane of symmetry P define a center C at their intersection.
  • the two half- shells 49, 50 of the housing 40, which compose the air guide 2 are not symmetrical, which means that they are dissymmetrical.
  • the electric motor 44 is at least partially offset from such center C toward the second port 42.
  • the dissymmetry of the two half-shells 49, 50 of the air guide is defined considering the plane of symmetry P (see Figure 3C) of the tangential port 43, which is orthogonal to the axis of symmetry R-R of the first and second axial ports 41, 42.
  • the distance between the sidewall 46 and this plane of symmetry P is typically equal to the distance between the sidewall 47 and the plane P in prior art air guides.
  • the distance LI of the sidewall 47 i.e, the sidewall opposite to the first port 41, is greater than the distance L2 between the sidewall 46, i.e. the sidewall opposite to the second port 42 and the plane of symmetry P.
  • the distance of the sidewall 47 that delimits the second axial port 42 of the air guide 2 is greater than the distance between the sidewall 46, that delimits the first axial port 41 of the air guide 2, and the plane of symmetry P of the tangential port 43, which extends through the plane of symmetry P and is orthogonal to the axis of symmetry R-R of the first and second axial ports 41, 42.
  • the motor 44 will be located to a to a greater distance outside the impeller 45 than it would normally be, whereby the electric motor 44 will be at least partially offset from such center C toward the second port 42.
  • the electric motor 44 extends at least partially beyond the predetermined length L of the impeller 45 (when considered along a direction of extension between the first port 41 and the second port 42) toward the second port 42.
  • the air guide 2 can be advantageously mounted to a domestic hood.
  • hood comprises a housing frame in which the air guide 2 is accommodated for extracting and exhausting gases, e.g. during food preparation.
  • the housing frame of the hood comprises a gas extraction inlet and an outlet, through which the extracted gases are exhausted, with or without filtering.
  • the air guide 2 is configured to be in fluid communication with the inlet and the outlet of the hood frame, for extraction and exhaustion of gases.
  • the Applicant made specific tests on the suction grid 1 installed on the air conveyor 2, as compared with a standard air conveyor having a standard grid, within the same hood.
  • the following table shows the values obtained from the tests.
  • the table proves that the use of the suction grid 1 with the air guide 2 of the present invention affords remarkable improvements in fluid-dynamic efficiency, i.e. from 26% to 37%, and a reduction of noise from 69 dBA to 67 dBA.
  • the area of the tangential outlet edge 43 designated as a circumference 60, has a variable section, a somewhat converging conduit being so formed between the impeller 45 and the peripheral wall 48.
  • This variable section has the purpose of reducing the perturbations induced by the presence of the outlet edge 43 on the flow, to maintain a low noise level.
  • the involute surface of the peripheral wall 48 is always parallel to the blades of the impeller 45. With this arrangement, the airflow extracted through the suction grid may be maintained as laminar as possible.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ventilation (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

La présente invention concerne une grille d'aspiration pour un guide d'air d'une hotte domestique, un guide d'air présentant ladite grille et une hotte domestique présentant ledit guide d'air. En particulier, la grille d'aspiration comprend une première pluralité de rayons mutuellement espacés (12), ladite grille définissant une zone centrale (10) et un bord périphérique (11). La grille d'aspiration est caractérisée en ce que chaque rayon de la première pluralité de rayons (12) s'étend le long d'un premier trajet curviligne (13) à partir de la zone centrale (10) vers le bord périphérique (11), chaque rayon de la première pluralité de rayons (12) définissant un profil (14), qui est déformé autour du premier trajet curviligne (13), ledit profil (14), dans toute section perpendiculaire au dit premier trajet curviligne (13), définit une face avant (14A), une face arrière (14B), opposée à ladite face avant, une face inférieure (14C) et une face supérieure (14D) opposée à ladite face inférieure (14C), le rapport de ladite face avant (14A) ou de ladite face arrière (14B) sur ladite face inférieure (14C) ou ladite face supérieure (14D) passant de ladite zone centrale (10) vers ledit bord périphérique (11).
PCT/IB2016/050269 2015-01-22 2016-01-20 Grille d'aspiration pour guide d'air d'une hotte domestique, guide d'air présentant ladite grille et hotte domestique présentant ledit guide d'air Ceased WO2016116871A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP16709127.1A EP3247952B1 (fr) 2015-01-22 2016-01-20 Grille d'aspiration pour guide d'air d'une hotte domestique, guide d'air présentant ladite grille et hotte domestique présentant ledit guide d'air
PL16709127T PL3247952T3 (pl) 2015-01-22 2016-01-20 Kratka wyciągowa do elementu prowadzącego powietrze okapu domowego, element prowadzący powietrze mający taką kratkę i okap domowy mający taki element prowadzący powietrze
ES16709127T ES2721779T3 (es) 2015-01-22 2016-01-20 Rejilla de succión para una guía de aire de una campana doméstica, guía de aire que tiene tal rejilla y campana doméstica que tiene tal guía de aire

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI2015A000058 2015-01-22
ITMI20150058 2015-01-22

Publications (1)

Publication Number Publication Date
WO2016116871A1 true WO2016116871A1 (fr) 2016-07-28

Family

ID=52727249

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2016/050269 Ceased WO2016116871A1 (fr) 2015-01-22 2016-01-20 Grille d'aspiration pour guide d'air d'une hotte domestique, guide d'air présentant ladite grille et hotte domestique présentant ledit guide d'air

Country Status (5)

Country Link
EP (1) EP3247952B1 (fr)
ES (1) ES2721779T3 (fr)
PL (1) PL3247952T3 (fr)
TR (1) TR201905809T4 (fr)
WO (1) WO2016116871A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107191415A (zh) * 2017-05-05 2017-09-22 珠海格力电器股份有限公司 一种格栅结构及具有其的风扇
IT201700001204A1 (it) * 2017-01-05 2018-07-05 Saba Plast Srl Gruppo aspiratore con spazio di preparazione
DE202018104101U1 (de) 2018-07-17 2018-09-10 Elica S.P.A Aerodynamisches Element für einen Luftführungsapparat einer Abzugshaube für den Hausgebrauch, mit diesem aerodynamischen Element ausgestatteter Luftführungsapparat und mit diesem Luftführungsapparat ausgestattete Abzugshaube für den Hausgebrauch
CN108534201A (zh) * 2018-06-13 2018-09-14 广东美的厨房电器制造有限公司 整流降噪装置及吸油烟机
CN110513333A (zh) * 2019-08-26 2019-11-29 格力电器（中山）小家电制造有限公司 一种出风装置保护网
WO2020132722A1 (fr) * 2018-12-28 2020-07-02 Springer Carrier Ltda. Grille pour appareil de ventilation
CN112177982A (zh) * 2019-07-01 2021-01-05 青岛经济技术开发区海尔热水器有限公司 降噪风道及燃气热水器
EP4180726A1 (fr) * 2021-11-10 2023-05-17 Berbel Ablufttechnik GmbH Hotte aspirante
EP4180725A1 (fr) * 2021-11-10 2023-05-17 Berbel Ablufttechnik GmbH Hotte aspirante
US11703065B2 (en) 2018-04-09 2023-07-18 Ziehl-Abegg Se Fan and intake grid for a fan

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Publication number Priority date Publication date Assignee Title
EP1120571A1 (fr) * 1999-08-09 2001-08-01 Daikin Industries, Ltd. Grille de protection d'une unite de soufflante et d'un conditionneur d'air
EP1357337A1 (fr) * 2001-01-29 2003-10-29 Daikin Industries, Ltd. Grille de protection d'unite de ventilation
EP1467156A1 (fr) * 2002-11-08 2004-10-13 Daikin Industries, Ltd. Grille de protection pour unite de ventilateur soufflant
DE102007021318A1 (de) * 2007-05-07 2008-11-13 BSH Bosch und Siemens Hausgeräte GmbH Dunstabzugsgehäuse und Dunstabzugshaube
WO2011085860A1 (fr) * 2009-12-21 2011-07-21 BSH Bosch und Siemens Hausgeräte GmbH Tiroir à ventilateur pour hotte aspirante
EP2530331A2 (fr) * 2011-06-01 2012-12-05 Deere & Company Ensemble ventilateur axial pour système de refroidissement de véhicule
WO2014020489A1 (fr) * 2012-07-31 2014-02-06 Elica S.P.A. Module pour hottes d'extracteur

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KR19980066524A (ko) 1997-01-25 1998-10-15 이영수 양계장의 환기장치
BRPI0801984F1 (pt) 2008-05-19 2020-11-24 Seb Do Brasil Produtos Domesticos Ltda sistema aplicado em grades frontal e traseira de ventiladores
DE102009003957B4 (de) 2008-09-18 2020-12-17 Berling Aero IP UG (haftungsbeschränkt) Dunstabzugshaube
US20110036340A1 (en) 2009-08-17 2011-02-17 Ming-Hung Chu High efficiency range hood

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1120571A1 (fr) * 1999-08-09 2001-08-01 Daikin Industries, Ltd. Grille de protection d'une unite de soufflante et d'un conditionneur d'air
EP1357337A1 (fr) * 2001-01-29 2003-10-29 Daikin Industries, Ltd. Grille de protection d'unite de ventilation
EP1467156A1 (fr) * 2002-11-08 2004-10-13 Daikin Industries, Ltd. Grille de protection pour unite de ventilateur soufflant
DE102007021318A1 (de) * 2007-05-07 2008-11-13 BSH Bosch und Siemens Hausgeräte GmbH Dunstabzugsgehäuse und Dunstabzugshaube
WO2011085860A1 (fr) * 2009-12-21 2011-07-21 BSH Bosch und Siemens Hausgeräte GmbH Tiroir à ventilateur pour hotte aspirante
EP2530331A2 (fr) * 2011-06-01 2012-12-05 Deere & Company Ensemble ventilateur axial pour système de refroidissement de véhicule
WO2014020489A1 (fr) * 2012-07-31 2014-02-06 Elica S.P.A. Module pour hottes d'extracteur

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201700001204A1 (it) * 2017-01-05 2018-07-05 Saba Plast Srl Gruppo aspiratore con spazio di preparazione
CN107191415A (zh) * 2017-05-05 2017-09-22 珠海格力电器股份有限公司 一种格栅结构及具有其的风扇
EP3775571B1 (fr) * 2018-04-09 2024-09-25 Ziehl-Abegg Se Ventilateur et grille d'admission pour ventilateur
US11703065B2 (en) 2018-04-09 2023-07-18 Ziehl-Abegg Se Fan and intake grid for a fan
CN108534201B (zh) * 2018-06-13 2024-03-08 广东美的厨房电器制造有限公司 整流降噪装置及吸油烟机
CN108534201A (zh) * 2018-06-13 2018-09-14 广东美的厨房电器制造有限公司 整流降噪装置及吸油烟机
DE202018104101U1 (de) 2018-07-17 2018-09-10 Elica S.P.A Aerodynamisches Element für einen Luftführungsapparat einer Abzugshaube für den Hausgebrauch, mit diesem aerodynamischen Element ausgestatteter Luftführungsapparat und mit diesem Luftführungsapparat ausgestattete Abzugshaube für den Hausgebrauch
US12146678B2 (en) 2018-12-28 2024-11-19 Springer Carrier Ltda. Grille for ventilation apparatus
WO2020132722A1 (fr) * 2018-12-28 2020-07-02 Springer Carrier Ltda. Grille pour appareil de ventilation
CN113490818A (zh) * 2018-12-28 2021-10-08 斯普灵格开利有限公司 通风设备用的格栅
CN113490818B (zh) * 2018-12-28 2024-05-14 斯普灵格开利有限公司 通风设备用的格栅
CN112177982A (zh) * 2019-07-01 2021-01-05 青岛经济技术开发区海尔热水器有限公司 降噪风道及燃气热水器
CN110513333A (zh) * 2019-08-26 2019-11-29 格力电器（中山）小家电制造有限公司 一种出风装置保护网
EP4180725A1 (fr) * 2021-11-10 2023-05-17 Berbel Ablufttechnik GmbH Hotte aspirante
EP4180726A1 (fr) * 2021-11-10 2023-05-17 Berbel Ablufttechnik GmbH Hotte aspirante

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TR201905809T4 (tr) 2019-05-21
ES2721779T3 (es) 2019-08-05
EP3247952B1 (fr) 2019-03-20
PL3247952T3 (pl) 2019-09-30

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