WO2014139780A1 - Boîtier pour soufflante radiale de hotte aspirante - Google Patents

Boîtier pour soufflante radiale de hotte aspirante Download PDF

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Publication number
WO2014139780A1
WO2014139780A1 PCT/EP2014/053466 EP2014053466W WO2014139780A1 WO 2014139780 A1 WO2014139780 A1 WO 2014139780A1 EP 2014053466 W EP2014053466 W EP 2014053466W WO 2014139780 A1 WO2014139780 A1 WO 2014139780A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
stiffening rib
housing according
edge
spiral
Prior art date
Application number
PCT/EP2014/053466
Other languages
German (de)
English (en)
Inventor
Christoph Häusig
Dietmar Jordan
Eugen Maurer
Original Assignee
BSH Bosch und Siemens Hausgeräte GmbH
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 BSH Bosch und Siemens Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to EP14705783.0A priority Critical patent/EP2971792B1/fr
Priority to CN201480014606.9A priority patent/CN105408637B/zh
Publication of WO2014139780A1 publication Critical patent/WO2014139780A1/fr

Links

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
    • F04D29/40—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
    • 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 housing for a radial fan of an extractor hood.
  • DE 90 16 767 U1 describes an extractor hood with a radial fan.
  • the radial fan comprises a housing and a blower motor.
  • the blower motor is held on the housing by means of a motor suspension.
  • the engine mounting comprises three arms, which are each flanged to the housing. The arms extend from their respective attachment portion on the housing into a fan wheel which surrounds the fan motor.
  • the housing is designed as a double-flow spiral housing. Sucked air flows substantially axially through air inlets on both sides of the fan wheel into it and is discharged radially via an air outlet at a higher pressure.
  • a housing for a radial fan of an extractor hood is provided with an air inlet.
  • the air inlet is bounded by an edge which has at least one stiffening rib.
  • the at least one stiffening rib reduces vibration of the housing, so that less disturbing noises are generated.
  • a stiffening rib can be arranged such that it only slightly or not at all disturbs the air flow when it flows into the air inlet.
  • the stiffening rib is placed on the edge, so it is over the edge over.
  • edge is meant that surface which directly adjoins the air inlet, that is to say a corresponding opening in the housing in which the fan wheel is arranged, and a plurality of stiffening ribs may be provided.
  • the stiffening ribs cover less than 50%, preferably less as 80% and more preferably less than 90% of the rim.
  • the radial fan may be formed as a double-flow radial fan.
  • the housing has two opposing air inlets.
  • Each of the air inlets may be bounded by an edge having at least one stiffening rib.
  • the hood is designed as a household appliance.
  • the housing comprises a spiral-shaped base body, which has the air inlet and the edge.
  • a spiral, expanding annular space is formed, which surrounds the fan and extends to the air outlet.
  • the spiral-shaped basic body is designed in the form of a spiral-shaped cylinder which forms the edge on one of its end faces.
  • the end faces preferably extend radially to a rotational axis of the fan wheel.
  • the lateral surface formed between the end faces is broken, for example, by the air outlet.
  • the lateral surface may have a parting plane between two housing halves forming the housing.
  • the air inlet is circular.
  • the at least one stiffening rib extends radially with respect to a central axis of the air inlet or parallel to a radial with respect to the central axis.
  • Such a stiffening rib is suitable for directing the air flow towards the air inlet and in particular not obstructing it.
  • such a stiffening rib ensures stiffening of the housing, in particular the edge.
  • the at least one stiffening rib extends in the same direction spirally with the spiral base body. In other words, the at least one stiffening rib defines a portion of a spiral, which has a spiral course in the same direction of rotation as the spiral-shaped base body.
  • the at least one stiffening rib directly adjoins the air inlet. As a result, the air flow can be guided into the air inlet without turbulence.
  • the at least one stiffening rib extends towards an air outlet of the housing.
  • the stiffening rib may extend along a collar, which connects a tube defining the air outlet with the spiral-shaped base body.
  • the at least one stiffening rib extends over a lateral surface of the spiral cylinder. As a result, the lateral surface can be stiffened.
  • the at least one stiffening rib in the form of a ring section extends on the edge.
  • the at least one stiffening rib thickens along its length. As a result, different areas of the edge can be easily reinforced as needed.
  • the edge has at least one attachment point for fastening an engine mount, which is surrounded by the at least one stiffening rib.
  • the stiffening rib can also serve as a positioning aid.
  • the engine mount can be flanged to the attachment point in particular by means of a screw.
  • the at least one stiffening rib in the form of a semicircular arc extends around the fastening point. As a result, a good shielding of the attachment point is achieved, so that form little air turbulence here.
  • the corresponding semicircle may be open to the air inlet.
  • the housing is composed of two housing halves, which are axially connected to each other. Along a parting plane, a further stiffening rib is formed. The stiffening rib can receive a seal, which seals the two housing halves against each other.
  • an extractor hood is provided with a radial fan.
  • the extractor hood has a housing described above.
  • a fan wheel and a blower motor driving the fan wheel are arranged in the housing.
  • the at least one stiffening rib curves in the direction of rotation of the fan during operation of the Radialgeblässes.
  • the curvature is to be understood here as meaning that the at least one stiffening rib curves away from a radial (in relation to an axis of rotation of the fan wheel) in the direction of rotation.
  • FIG. 1 shows a perspective view of a housing for a radial fan of an extractor hood
  • Fig. 2 a perspective view of a partial extractor hood with a radial fan.
  • FIG. 1 shows a perspective view of a housing 1 for a radial fan 2 shown in FIG. 2 of a schematically illustrated extractor hood 3.
  • the housing 1 comprises a spiral-shaped main body 4 in the form of a spiral-shaped cylinder with end faces 5 (in FIG. 1, only the front end face 5 can be seen due to the illustration). Between the end faces 5, the main body 4 forms a jacket surface 6. The end faces 5 each form an edge which delimits an air inlet 7, 8.
  • the air inlets 7, 8 are opposite.
  • the air inlets 7, 8 can each be formed as circular openings with a central axis 1 1.
  • a spirally expanding annular space 12 is formed, which widens toward a radial air outlet 13.
  • the air outlet 13 may be bounded by a tube 14, which connects via a collar 15 to the lateral surface 6 of the spiral-shaped main body 4.
  • the housing 1 may be composed of two housing halves 16, 17, which are connected together axially along a parting plane 18.
  • "Axial" refers in the present case to the central axis 1 1, which is identical to a rotational axis of a fan motor 21 shown in Figure 2.
  • the parting plane 18 extends radially to the central axis 1 1.
  • the edge 5 may further comprise, for example, three attachment points 22 for flanging a motor suspension 23 shown in FIG.
  • the engine mount 23 may, for example, three support arms 24 which, for example, in one piece to a Connect mount 25 for blower motor 21.
  • the receptacle 25 holds the rotor (not shown) of the blower motor 21 rotatably relative to a stator 26 of the blower motor 21.
  • the engine mount 23 can thus simultaneously form a bearing plate of the blower motor 21.
  • the support arms 24 are designed such that they hold the blower motor 21 (here in particular the rotor and the stator 26) concentric with the central axis 1 1.
  • the central axis 1 1 is also the axis of rotation of a fan disposed in the housing 1 27, which drives the fan motor 21 at the same time. Furthermore, the support arms 24 also position the blower motor 21 axially (with respect to the central axis 1 1) within the fan 27 and thus also within the housing 1.
  • the edge 5 can have several, for example more than ten, stiffening ribs.
  • the stiffening ribs are in the form of webs and, for example, take up less than 95% of the surface of the edge 5.
  • some of the stiffening ribs are described in more detail below and are denoted by 30, 31, 32, 33, 36, 41 and 42 for this purpose.
  • the stiffening rib 30 may extend radially (relative to the central axis 1 1).
  • the reinforcing rib 31 extends parallel to a radial 34 (relative to the central axis or axis of rotation 11).
  • the reinforcing rib 32 curves spirally about an axis of rotation designated 35, in the same direction as the spiral-shaped basic body 4. It can also be seen that the reinforcing rib 32 extends both over the edge 5 and over the lateral surface 6.
  • the stiffening rib 33 extends from the edge 5 via the collar 15.
  • Figure 1 further shows a stiffening rib 36, which see along the parting plane 18 between the two housing halves 16, 17 is formed.
  • the stiffening rib 36 may have a groove for a seal for sealing the two housing halves 16, 17 against each other.
  • the stiffening rib 36 thus also extends along the lateral surface 6 of the main body 4.
  • the direction of rotation of the fan 27 is designated 37.
  • FIG. 1 shows semicircular stiffening ribs 41 which each surround a fastening point 22.
  • the semicircles formed thereby are open towards the air inlet 7.
  • stiffening ribs 30, 31, 32, 33 and 41 have in common that they are directly adjacent to the air inlet 7.
  • a stiffening rib 42 is further illustrated, which extends in sections annularly around the central axis 1 1. Furthermore, the stiffening rib 42 may be thickened lengthwise, as also shown for the stiffening rib 42 in FIG. The stiffening rib 42 also extends on the edge 5 of the housing 1.

Landscapes

  • 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)

Abstract

L'invention concerne un boîtier (1) destiné à une soufflante radiale (2) de hotte aspirante (3), qui présente une entrée d'air (7, 8) délimitée par un bord (5) comportant une nervure de renforcement (30, 31, 32, 33, 36, 41, 42).
PCT/EP2014/053466 2013-03-11 2014-02-21 Boîtier pour soufflante radiale de hotte aspirante WO2014139780A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP14705783.0A EP2971792B1 (fr) 2013-03-11 2014-02-21 Boîtier pour soufflante radiale de hotte aspirante
CN201480014606.9A CN105408637B (zh) 2013-03-11 2014-02-21 用于抽油烟机的径向通风机的壳体

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013204144.6 2013-03-11
DE102013204144.6A DE102013204144A1 (de) 2013-03-11 2013-03-11 Gehäuse für ein Radialgebläse einer Dunstabzugshaube

Publications (1)

Publication Number Publication Date
WO2014139780A1 true WO2014139780A1 (fr) 2014-09-18

Family

ID=50151291

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/053466 WO2014139780A1 (fr) 2013-03-11 2014-02-21 Boîtier pour soufflante radiale de hotte aspirante

Country Status (4)

Country Link
EP (1) EP2971792B1 (fr)
CN (1) CN105408637B (fr)
DE (1) DE102013204144A1 (fr)
WO (1) WO2014139780A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10782030B2 (en) 2016-04-05 2020-09-22 Elica S.P.A. Cooktops with integrated hoods

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106968984B (zh) * 2015-12-11 2020-10-23 松下知识产权经营株式会社 涡轮机
CN107701512A (zh) * 2017-10-18 2018-02-16 珠海格力电器股份有限公司 蜗壳、压缩机及空调器
DE102019115741A1 (de) * 2019-06-11 2020-12-17 Ebm-Papst Landshut Gmbh Versteiftes Gebläsegehäuseteil zur Anordnung an einem Gasgebläse

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9016767U1 (de) 1990-12-12 1991-02-28 Ebm Elektrobau Mulfingen Gmbh & Co, 7119 Mulfingen Dunstabzugshaube
JP2002371996A (ja) * 2001-06-13 2002-12-26 Sanyo Electric Co Ltd 送風機及び送風機を有する換気扇
EP1484509A1 (fr) * 2003-06-05 2004-12-08 ebm-papst Mulfingen GmbH & Co.KG Unité soufflante double
JP2006307651A (ja) * 2005-04-26 2006-11-09 Kunihiro Miyake 多翼ファン
WO2011113297A1 (fr) * 2010-03-17 2011-09-22 广东松下环境系统有限公司 Ventilateur

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201043533Y (zh) * 2007-05-11 2008-04-02 姜小明 消防喷灌泵
JP2009024595A (ja) * 2007-07-19 2009-02-05 Daikin Ind Ltd 遠心ファン及びこれを用いた空気調和機
CN102192168B (zh) * 2010-03-17 2013-09-25 广东松下环境系统有限公司 换气扇
US20130094953A1 (en) * 2011-10-12 2013-04-18 Honeywell International Inc. Variable thickness and variable radius structural rib support for scrolls and torus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9016767U1 (de) 1990-12-12 1991-02-28 Ebm Elektrobau Mulfingen Gmbh & Co, 7119 Mulfingen Dunstabzugshaube
JP2002371996A (ja) * 2001-06-13 2002-12-26 Sanyo Electric Co Ltd 送風機及び送風機を有する換気扇
EP1484509A1 (fr) * 2003-06-05 2004-12-08 ebm-papst Mulfingen GmbH & Co.KG Unité soufflante double
JP2006307651A (ja) * 2005-04-26 2006-11-09 Kunihiro Miyake 多翼ファン
WO2011113297A1 (fr) * 2010-03-17 2011-09-22 广东松下环境系统有限公司 Ventilateur

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10782030B2 (en) 2016-04-05 2020-09-22 Elica S.P.A. Cooktops with integrated hoods

Also Published As

Publication number Publication date
EP2971792A1 (fr) 2016-01-20
CN105408637B (zh) 2020-01-17
CN105408637A (zh) 2016-03-16
EP2971792B1 (fr) 2019-08-21
DE102013204144A1 (de) 2014-09-11

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