EP2472121B1 - Ventilateur d'échappement centrifuge pour salles de bain - Google Patents

Ventilateur d'échappement centrifuge pour salles de bain Download PDF

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Publication number
EP2472121B1
EP2472121B1 EP11194731.3A EP11194731A EP2472121B1 EP 2472121 B1 EP2472121 B1 EP 2472121B1 EP 11194731 A EP11194731 A EP 11194731A EP 2472121 B1 EP2472121 B1 EP 2472121B1
Authority
EP
European Patent Office
Prior art keywords
exhaust fan
inner casing
rotating drum
air
bathrooms
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.)
Active
Application number
EP11194731.3A
Other languages
German (de)
English (en)
Other versions
EP2472121A2 (fr
EP2472121A3 (fr
Inventor
Marius Gamissans Bou
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.)
Soler and Palau Research SL
Original Assignee
Soler and Palau Research SL
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 Soler and Palau Research SL filed Critical Soler and Palau Research SL
Publication of EP2472121A2 publication Critical patent/EP2472121A2/fr
Publication of EP2472121A3 publication Critical patent/EP2472121A3/fr
Application granted granted Critical
Publication of EP2472121B1 publication Critical patent/EP2472121B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • 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
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
    • F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
    • F04D29/283—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis rotors of the squirrel-cage type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
    • 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
    • F04D29/424—Double entry casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit

Definitions

  • the present invention relates to interior air renewal apparatuses for enclosures, for example to eliminate odors in bathrooms, proposing a centrifugal exhaust fan with implementation features making it advantageous for said function.
  • exhaust apparatuses For renewing stuffy or polluted air in enclosures, exhaust apparatuses are used which sucks in the air from inside the application enclosure and expel it out through an outlet duct.
  • Axial exhaust fan apparatuses having a motor-powered propeller for sucking in the air to be removed, and centrifugal exhaust fan apparatuses having a motor-driven cylindrical drum with longitudinal flanges for sucking in the air to be removed are known for that function.
  • Centrifugal exhaust fans such as that disclosed in GB 1 339 690 , are more effective because they develop a stronger air movement force, but they have the drawback that the cylindrical drum with which they move the air is located transversely in front of the air ejection outlet, conditioning the exhaust apparatus to have a considerable dimension between the rear part and the front part, such that in places where it is applied, as in bathrooms, where the gaps of the enclosure are usually very limited, such exhaust fans are rather impractical because they take up too much space.
  • the invention proposes a centrifugal exhaust fan according to claim 1 with features that allow it to be installed such that it projects very little with respect to an application surface where it is mounted.
  • a centrifugal exhaust fan is thus constructed which, in the application installation, has its air induction mechanism housed partially inside the air outlet conduit to which the rear tubular nozzle of the exhaust fan is coupled, such that the body of the exhaust fan projects very little from the installation surface, taking up little room in the application enclosure.
  • said exhaust fan object of the invention has very advantageous features for the function for which it is intended, having a preferred character and its own identity with respect to conventional exhaust fans of the same application.
  • the object of the invention relates to a centrifugal exhaust fan, with a particular application for bathrooms, but which can generally be applied in any type of enclosure where interior air is to be renewed.
  • the proposed centrifugal exhaust fan consists of an outer casing (1), inside which there is housed an inner casing (2), in which there is in turn housed a rotating drum (3) formed by a cylinder with longitudinal blades that is arranged coupled to a drive motor (4).
  • the outer casing (1) determines in the front part an intake (5) for the air passage towards the inside, whereas in the rear part it defines a tubular air exhaust nozzle (6).
  • the inner casing (2) is made up of two complementary parts between which a housing is determined in which the functional assembly formed by the rotating drum (3) with the motor (4) and an electronic circuit board (7) is included, said inner casing (2) determining openings (8) in the sides with respect to which the ends of the rotating drum (3) are opposite, which drum is located transversely in front of a port (9) defining the inner casing (2) itself in the rear part.
  • the outer casing (1) determines in the rear part a seating plane (10) of the exhaust fan in the installation assembly, for example on the face (11) of a wall or ceiling, in correspondence with an air outlet tube (12) arranged through the face (11); from which support plane (10) the tubular nozzle (6) extends towards the rear part, the inner casing (2) being partially included in said tubular nozzle (6) of the rear part in the structural assembly of the exhaust fan, as observed in Figure 2 , such that the rotating drum (3) is set back at least partially with respect to the mentioned support plane (10) of the exhaust fan, towards the rear part.
  • the exhaust fan can be placed in the application installation on a face (11) with the tubular nozzle (6) of the rear part coupled with respect to the corresponding air outlet tube (12), supporting the seating plane (10) against the outer surface of the face (11), such that only a slightly projecting part of the exhaust fan protrudes outside the face (11), overcoming the drawback of conventional centrifugal exhaust fans, in which, as depicted in Figure 5 , the entire body (13) of said conventional exhaust fans protrudes outside the installation face (11), taking up a lot of space in the application enclosure.
  • the inner casing (2) has bevels (14) on the side edges which allow the air to pass.
  • said inner casing (2) has flanges (15) outwardly exiting in the rear part of the mentioned openings (8), such that said flanges (15) close the gap between the two casings (1 and 2) behind the openings (8), preventing the passage of the air between the negative pressure area in which said openings (8) are located and the pressure area located behind the rotating drum (3) once the intake of the arriving air is facilitated towards the rotating drum (3) through those openings (8), whereby improving the performance of the exhaust fan.

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)
  • Apparatus For Making Beverages (AREA)

Claims (3)

  1. Ventilateur d'échappement centrifuge pour salles de bain comprenant :
    un carter externe (1) avec une partie avant, une partie arrière déterminant un plan d'installation (10) pour le ventilateur d'échappement et une buse tubulaire (6) s'étendant vers l'arrière à partir dudit plan d'installation (10) pour se coupler à un tube de sortie d'air (12) ;
    un carter interne (2) ;
    un moteur d'entraînement (4) ; et
    un tambour rotatif (3) positionné transversalement en face d'un orifice de sortie d'air arrière (9) du carter interne (9) et couplé au moteur d'entraînement (4) ; et
    dans lequel le carter interne (2) est logé partiellement à l'intérieur de la buse tubulaire (6), le tambour rotatif (3) étant replacé partiellement vers l'arrière par rapport au plan d'installation (10) du ventilateur d'échappement ; et
    dans lequel :
    le moteur d'entraînement (4) est agencé dans le tambour rotatif (3) ;
    un jeu (h) supérieur à 0,16 fois mais inférieur à 0,30 fois un diamètre (D) de la buse tubulaire (6), est prévu entre le carter interne (1) et le carter externe (2), de sorte qu'un passage d'air est défini à partir d'une admission (5) de la partie avant du carter externe (1) jusqu'aux ouvertures latérales (8) du carter interne (2), positionnées à l'opposé des extrémités du tambour rotatif (3) ; et
    le carter interne (2) comprend des brides s'étendant vers l'extérieur (15) derrière les ouvertures latérales (8), fermant l'espace entre les carters interne et externe (2, 3) pour empêcher l'écoulement d'air, à l'intérieur du ventilateur d'échappement, entre une zone de pression négative où les ouvertures latérales (8) sont positionnées et une zone de pression positionnée derrière le tambour rotatif (3).
  2. Ventilateur d'échappement centrifuge pour salles de bain selon la revendication 1, caractérisé en ce que le tambour rotatif (3) est positionné dans une position dans laquelle il est replacé selon une proportion de l'ordre de 80% de son rayon par rapport au plan d'installation (10) du ventilateur d'échappement dans l'ensemble d'installation.
  3. Ventilateur d'échappement centrifuge pour salles de bain selon la revendication 1, caractérisé en ce que le carter interne (2) a des bords latéraux avec des biseaux (14) pour permettre à l'air de passer par l'admission (5) vers les ouvertures latérales (8) dudit carter interne (2).
EP11194731.3A 2010-12-30 2011-12-21 Ventilateur d'échappement centrifuge pour salles de bain Active EP2472121B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201001650A ES2385592B1 (es) 2010-12-30 2010-12-30 Extractor centrífugo de aire para cuartos de baño.

Publications (3)

Publication Number Publication Date
EP2472121A2 EP2472121A2 (fr) 2012-07-04
EP2472121A3 EP2472121A3 (fr) 2014-09-10
EP2472121B1 true EP2472121B1 (fr) 2020-04-22

Family

ID=45463299

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11194731.3A Active EP2472121B1 (fr) 2010-12-30 2011-12-21 Ventilateur d'échappement centrifuge pour salles de bain

Country Status (4)

Country Link
EP (1) EP2472121B1 (fr)
ES (2) ES2385592B1 (fr)
RU (1) RU2498165C2 (fr)
UA (1) UA102906C2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107676912A (zh) * 2017-09-23 2018-02-09 南京律智诚专利技术开发有限公司 一种浴室换风系统
ES2769475B2 (es) * 2018-12-21 2021-10-21 Soler & Palau Res Sl Extractor de doble entrada de aire

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH541077A (de) * 1971-06-26 1973-08-31 Siemens Ag Lüfteraggregat
DE8914525U1 (de) * 1989-12-09 1990-01-18 Süddeutsche Kühlerfabrik Julius Fr. Behr GmbH & Co KG, 7000 Stuttgart Radialgebläse
US6261175B1 (en) * 1999-12-18 2001-07-17 Broan-Nutone Llc Ventilating exhaust fan
JP2002310093A (ja) * 2001-04-11 2002-10-23 Hitachi Taga Technol Co Ltd パイプファン
US6435964B1 (en) * 2001-09-06 2002-08-20 Enlight Corporation Ventilation fan
ES2212719B1 (es) * 2002-05-22 2005-10-01 Cata Electrodomesticos, S.L Extractor de aire de apertura automatica.
JP5391699B2 (ja) * 2009-01-16 2014-01-15 パナソニック株式会社 天井埋込形換気扇
CN201891626U (zh) * 2010-11-15 2011-07-06 南通大通宝富风机有限公司 插入式离心风机

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2805754T3 (es) 2021-02-15
EP2472121A2 (fr) 2012-07-04
ES2385592A1 (es) 2012-07-27
EP2472121A3 (fr) 2014-09-10
ES2385592B1 (es) 2013-04-15
RU2498165C2 (ru) 2013-11-10
RU2011153363A (ru) 2013-07-10
UA102906C2 (ru) 2013-08-27

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