EP2492515B1 - Ventilateur hélico-centrifuge - Google Patents

Ventilateur hélico-centrifuge Download PDF

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Publication number
EP2492515B1
EP2492515B1 EP12154849.9A EP12154849A EP2492515B1 EP 2492515 B1 EP2492515 B1 EP 2492515B1 EP 12154849 A EP12154849 A EP 12154849A EP 2492515 B1 EP2492515 B1 EP 2492515B1
Authority
EP
European Patent Office
Prior art keywords
air
cone
fan
silencer
centrifugal fan
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
EP12154849.9A
Other languages
German (de)
English (en)
Other versions
EP2492515A3 (fr
EP2492515A2 (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
Priority to PL12154849T priority Critical patent/PL2492515T3/pl
Publication of EP2492515A2 publication Critical patent/EP2492515A2/fr
Publication of EP2492515A3 publication Critical patent/EP2492515A3/fr
Application granted granted Critical
Publication of EP2492515B1 publication Critical patent/EP2492515B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/06—Helico-centrifugal 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
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers 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
    • F24F13/24—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
    • F24F7/04—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
    • F24F7/065—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 fan combined with single duct; mounting arrangements of a fan in a duct

Definitions

  • the present invention relates to air driving means used in ventilation systems, proposing a helico centrifugal tubular fan intended for being intercalated in an air duct, with structural features determining an advantageous embodiment of soundproofing.
  • axial tubular fans which are intercalated in air circulation ducts, the body of these fans formed by a cylindrical casing in which an air driving element and the operating elements for the operation thereof are housed, said casing being connected by its ends to an air circulation duct.
  • the conventional solution that is adopted is to arrange independent silencers of the fan itself, which silencers are incorporated on the sections of the air duct to which the fan is connected or intercalated between said sections of the air duct and the fan, in front of and behind the fan, which determines a considerable longitudinal extension of the fan, said extension further being determined by the diameter of the air duct in which the fan is arranged since a longer length of the silencers is required the larger the diameter of the duct.
  • Further prior art fans are known from WO 2011/015680 A1 , EP 0837245 A2 and NL 7305759 A .
  • a helico centrifugal fan is proposed according to the invention, developed with structural features determining an advantageous soundproofing arrangement with respect to conventional embodiments.
  • This fan object of the invention is defined in its broadest formulation by the appended independent claim 1 and comprises a structural assembly formed by an air convergence cone and an air divergence cone which determine connections for connecting to air ducts, an air driving propeller associated with a drive motor being included in the air divergence cone, whereas a silencer is intercalated between the two cones determining an intermediate conduit between both.
  • a fan is thus obtained which is suitably soundproofed with a reduced longitudinal dimension, since the silencer arranged between the structural cones has a smaller diameter than the outer openings of said cones and therefore it requires less length in comparison with the silencers arranged in extension of said outer openings in conventional fans.
  • the silencer arranged between the structural cones of the fan can further be determined with an extension onto one or both structural cones, whereby achieving an even greater soundproofing effect with the same fan longitudinal dimension.
  • said fan object of the invention has very advantageous constructive and functional features, acquiring its own identity and preferable character with respect to conventional fans of the same type.
  • the object of the invention relates to a helico centrifugal fan of the type comprising a tubular casing (1), inside which there is housed a structural assembly made up of an air convergence cone (2) and an air divergence cone (3), which determine an air passage duct, an air driving propeller (4) associated with a drive motor (5) being housed in the air divergence cone (3), all of this forming an assembly intended for being intercalated in an air duct, to which the ends of the tubular casing (1) are coupled.
  • the helico centrifugal fan proposed according the invention is formed with the air convergence cone (2) and the air divergence cone (3) axially separated, including a silencer (7) between them arranged between the narrowest parts thereof, as observed in Figure 2 .
  • the silencer (7) is thus included inside the fan assembly, in an area of smaller diameter than the coupling ends for being coupled to the application air duct, so said silencer (7) requires a much short length than the silencers (6) arranged in extension of the end of conventional helico centrifugal fans do.
  • the soundproofing silencer (7) can be arranged such that it extends onto the air convergence cone (2) of the fan, as shown in Figure 4 , or onto the air divergence cone (3), as shown in Figure 5 , or onto both cones (2 and 3), as shown in Figure 6 , a greater soundproofing effect with the same total length of the fan being achieved with these forms.
  • said complimentary silencer (8) comprising two concentric cylindrical bodies (8.1 and 8.2), which are in correspondence outside and inside the air passage, whereby increasing the soundproofing of the fan maintaining its structural longitudinal dimension.

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)

Claims (4)

  1. Ventilateur hélico-centrifuge formé par un assemblage structurel comprenant un cône de convergence d'air (2) et un cône de divergence d'air (3) à l'intérieur d'un carter tubulaire (1), un conduit de passage d'air se trouvant entre lesdits cônes, le cône de convergence d'air (2) comprenant un corps tronconique et le cône de divergence d'air (3) comprenant un corps tronconique, une hélice (4) dans le cône de divergence d'air (3) étant associée à un moteur d'entraînement (5), caractérisé en ce que le cône de convergence d'air (2) et le cône de divergence d'air (3) sont séparés axialement, un silencieux (7) étant agencé entre eux entre leurs parties les plus étroites,
    le conduit de passage d'air étant un conduit de diamètre constant agencé entre la partie la plus étroite du cône de convergence (2) et la partie la plus étroite du cône de divergence (3), ce conduit de diamètre constant ayant un diamètre égal au diamètre le plus étroit du corps tronconique du cône de convergence d'air (2) et du corps tronconique du cône de divergence d'air (3).
  2. Ventilateur hélico-centrifuge selon la revendication 1, caractérisé en ce que le silencieux (7) s'étend sur le cône de convergence d'air (2).
  3. Ventilateur hélico-centrifuge selon la revendication 1, caractérisé en ce que le silencieux (7) s'étend sur le cône de divergence d'air (3).
  4. Ventilateur hélico-centrifuge selon la revendication 1, caractérisé en ce que le silencieux (7) s'étend sur le cône de convergence d'air (2) et sur le cône de divergence d'air (3).
EP12154849.9A 2011-02-28 2012-02-10 Ventilateur hélico-centrifuge Active EP2492515B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12154849T PL2492515T3 (pl) 2011-02-28 2012-02-10 Odśrodkowy wentylator śrubowy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201100220A ES2400098B1 (es) 2011-02-28 2011-02-28 Ventilador helicocentrifugo

Publications (3)

Publication Number Publication Date
EP2492515A2 EP2492515A2 (fr) 2012-08-29
EP2492515A3 EP2492515A3 (fr) 2018-05-23
EP2492515B1 true EP2492515B1 (fr) 2020-01-15

Family

ID=45571449

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12154849.9A Active EP2492515B1 (fr) 2011-02-28 2012-02-10 Ventilateur hélico-centrifuge

Country Status (5)

Country Link
EP (1) EP2492515B1 (fr)
EA (1) EA026597B1 (fr)
ES (2) ES2400098B1 (fr)
PL (1) PL2492515T3 (fr)
UA (1) UA110016C2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2394332B1 (es) * 2012-08-02 2013-09-12 Soler & Palau Res Sl Caja de ventilacion
ES2524648B1 (es) * 2013-06-06 2015-08-06 Soler & Palau Research, S.L. Instalación de ventilación mecánica controlada
CN110630538A (zh) 2018-06-25 2019-12-31 台达电子工业股份有限公司 风扇
ES2829382B2 (es) * 2019-11-29 2022-03-30 Soler & Palau Res Sl Ventilador helicocentrifugo en linea
DE202019107056U1 (de) * 2019-12-17 2021-03-18 Systemair GmbH Schallgedämmte Ventilatoranordnung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7305759A (fr) * 1973-04-25 1974-10-29
JPH02108898A (ja) * 1988-10-17 1990-04-20 Hitachi Ltd 軸流送風機
EP0837245A2 (fr) * 1996-10-15 1998-04-22 Air Handling Engineering Ltd. Soufflante pour installation de traitement d'air

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL17192C (fr) * 1924-08-01
US3346174A (en) * 1966-07-05 1967-10-10 Trane Co Compact axial flow fan
US3403843A (en) * 1966-12-27 1968-10-01 Trane Co Bearing bracket
JPS5958800U (ja) * 1982-10-12 1984-04-17 三菱電機株式会社 消音マフラ付き軸流フアン
JPS6012700U (ja) * 1983-07-06 1985-01-28 三菱電機株式会社 送風機の消音装置
US4692091A (en) * 1985-09-23 1987-09-08 Ritenour Paul E Low noise fan
RU2051295C1 (ru) * 1993-02-24 1995-12-27 Товарищество с ограниченной ответственностью "Ритм" Прямоточный вентилятор
JP3547171B2 (ja) * 1994-06-16 2004-07-28 日本無機株式会社 内筒並びにサイレンサ
JP2000283098A (ja) * 1999-03-26 2000-10-10 Ebara Corp 消音ボックス付ファン
US6217281B1 (en) * 1999-06-30 2001-04-17 Industrial Technology Research Institute Low-noise fan-filter unit
EP1657451A1 (fr) * 2004-11-12 2006-05-17 Hans Östberg Ventilateur à canal
ES2356873B1 (es) * 2009-07-29 2012-03-15 Soler & Palau Research S.L. Ventilador helicocentr�?fugo insonorizado.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7305759A (fr) * 1973-04-25 1974-10-29
JPH02108898A (ja) * 1988-10-17 1990-04-20 Hitachi Ltd 軸流送風機
EP0837245A2 (fr) * 1996-10-15 1998-04-22 Air Handling Engineering Ltd. Soufflante pour installation de traitement d'air

Also Published As

Publication number Publication date
ES2400098A2 (es) 2013-04-05
EA026597B1 (ru) 2017-04-28
PL2492515T3 (pl) 2020-07-27
EA201200197A1 (ru) 2012-09-28
ES2400098R1 (es) 2013-07-01
EP2492515A3 (fr) 2018-05-23
ES2784573T3 (es) 2020-09-28
UA110016C2 (xx) 2015-11-10
EP2492515A2 (fr) 2012-08-29
ES2400098B1 (es) 2014-02-06

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