EP1591667A3 - Fan unit - Google Patents

Fan unit Download PDF

Info

Publication number
EP1591667A3
EP1591667A3 EP05102671A EP05102671A EP1591667A3 EP 1591667 A3 EP1591667 A3 EP 1591667A3 EP 05102671 A EP05102671 A EP 05102671A EP 05102671 A EP05102671 A EP 05102671A EP 1591667 A3 EP1591667 A3 EP 1591667A3
Authority
EP
European Patent Office
Prior art keywords
fan unit
impeller
casing
capacity
terms
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.)
Withdrawn
Application number
EP05102671A
Other languages
German (de)
French (fr)
Other versions
EP1591667A2 (en
Inventor
Fabrizio Ferracuti
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.)
Best SpA
Original Assignee
ELECTROMEC SpA
Elektromec 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
Application filed by ELECTROMEC SpA, Elektromec SpA filed Critical ELECTROMEC SpA
Publication of EP1591667A2 publication Critical patent/EP1591667A2/en
Publication of EP1591667A3 publication Critical patent/EP1591667A3/en
Withdrawn legal-status Critical Current

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
    • F04D29/26—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
    • 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
    • F04D29/66—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
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

This invention relates to a device for exhaust fan units comprising a casing and an impeller to achieve improved performance in terms of capacity and reduced noise levels.
EP05102671A 2004-04-06 2005-04-05 Fan unit Withdrawn EP1591667A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITFI20040083 2004-04-06
ITFI20040083 ITFI20040083A1 (en) 2004-04-06 2004-04-06 DEVICE FOR SUCTION APPLIANCES

Publications (2)

Publication Number Publication Date
EP1591667A2 EP1591667A2 (en) 2005-11-02
EP1591667A3 true EP1591667A3 (en) 2009-05-13

Family

ID=34939143

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05102671A Withdrawn EP1591667A3 (en) 2004-04-06 2005-04-05 Fan unit

Country Status (2)

Country Link
EP (1) EP1591667A3 (en)
IT (1) ITFI20040083A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1478909A (en) * 1921-08-24 1923-12-25 Richard W Oswald Fan wheel
FR1360241A (en) * 1963-03-23 1964-05-08 Pulsed hot air generator
FR2199358A5 (en) * 1972-09-14 1974-04-05 Drouard Moteurs
JPS57119199A (en) * 1981-01-17 1982-07-24 Hitachi Ltd Impeller for centrifugal fan
EP1236908A2 (en) * 2001-03-01 2002-09-04 ELIN S.r.l. Motorised fan for suction hoods
EP1338798A2 (en) * 2002-02-26 2003-08-27 Faber S.p.A. Fixing device for a fan wheel

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1478909A (en) * 1921-08-24 1923-12-25 Richard W Oswald Fan wheel
FR1360241A (en) * 1963-03-23 1964-05-08 Pulsed hot air generator
FR2199358A5 (en) * 1972-09-14 1974-04-05 Drouard Moteurs
JPS57119199A (en) * 1981-01-17 1982-07-24 Hitachi Ltd Impeller for centrifugal fan
EP1236908A2 (en) * 2001-03-01 2002-09-04 ELIN S.r.l. Motorised fan for suction hoods
EP1338798A2 (en) * 2002-02-26 2003-08-27 Faber S.p.A. Fixing device for a fan wheel

Also Published As

Publication number Publication date
EP1591667A2 (en) 2005-11-02
ITFI20040083A1 (en) 2004-07-06

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Effective date: 20111216