EP1591667A3 - Fan unit - Google Patents
Fan unit Download PDFInfo
- 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- Withdrawn
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
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)
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 |
-
2004
- 2004-04-06 IT ITFI20040083 patent/ITFI20040083A1/en unknown
-
2005
- 2005-04-05 EP EP05102671A patent/EP1591667A3/en not_active Withdrawn
Patent Citations (6)
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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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA HR LV MK YU |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR |
|
AX | Request for extension of the european patent |
Extension state: AL BA HR LV MK YU |
|
17P | Request for examination filed |
Effective date: 20091111 |
|
AKX | Designation fees paid |
Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR |
|
17Q | First examination report despatched |
Effective date: 20100114 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: BEST S.P.A. |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20111216 |