EP0143791A1 - Radialgebläse. - Google Patents
Radialgebläse.Info
- Publication number
- EP0143791A1 EP0143791A1 EP84901061A EP84901061A EP0143791A1 EP 0143791 A1 EP0143791 A1 EP 0143791A1 EP 84901061 A EP84901061 A EP 84901061A EP 84901061 A EP84901061 A EP 84901061A EP 0143791 A1 EP0143791 A1 EP 0143791A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fan according
- radial fan
- spiral
- curvature
- outlet
- 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.)
- Granted
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
- F04D29/422—Discharge tongues
-
- 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
Definitions
- the drawing shows the housing of a radial fan with the housing cover removed.
- the housing 1 consists of a sheet metal part which has a base 2 and a removed cover 3, both of which are connected to one another via a side wall 4.
- the side wall 4 forms a spiral 5 which extends from a start 6 to an end 7, the spiral increasing in its outer diameter from the beginning to the end.
- the beginning and end of the spiral are connected to one another via an outlet connection 8 which forms a rectangle in its cross section.
- a fan wheel 11 is arranged within the interior 9 of the spiral 5, the central axis of which is designated 10, the central axis of which is also the axis 10.
- an inlet opening is provided which is circular and whose central axis is at a distance from the axis 10.
- a nose 12 is arranged, which merges into a side wall 14 of the outlet connector 8 via a curve 13.
- the other opposite wall 15 of the outlet nozzle connects directly to the end of the spiral.
- the two walls 14 and 15 diverge in the direction of the outlet 16, so that the narrowest point lies at the beginning of the outlet.
- the interior 17 of the outlet connector 8 thus represents the geometric figure of a wedge, since only two walls diverge, but the bottom and top walls do not.
- the curvature 13 has a radius of approximately 10 mm, which has an upper limit of 20 mm and a lower limit of 5 mm. These sizes refer to a nominal fan diameter of approximately 133 mm.
- the curvature 10 is directed so that it is concave to the interior 17.
- the curvature extends over a central angle of 10 to 50 °, in particular 30 °.
- the present invention relates to a radial fan according to the preamble of the main claim.
- the characteristic curve means the dependence of the pressure of the medium being conveyed on its throughput.
- the present invention is therefore based on the object of developing a radial fan which has a steeper characteristic curve, that is to say that the associated change in throughput is as small as possible with a specific pressure change in the medium being conveyed.
- the resulting technical progress is that at the same time as the characteristic curve increases, the fluctuation range of the pressure decreases with respect to certain throughput values.
- Curvatures of the curvature and the nose behave approximately as 4: 1, which means that the curvature of the nose pointing into the interior 17 or 9 is rounded with approximately 2.5 mm.
- outlet nozzle 15 of the outlet nozzle diverge is between 5 and 20 ° and is preferably chosen with 10 °.
- the diverging sides are symmetrical about a central plane 18 of the outlet connection.
- the housing 1 of the blower is preferably made of sheet metal. It is particularly expedient to structurally combine this radial fan, which is distinguished by a particularly good characteristic curve, with a burner to form a fan burner.
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84901061T ATE33876T1 (de) | 1983-03-19 | 1984-03-09 | Radialgeblaese. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8308535U | 1983-03-19 | ||
DE19838308535U DE8308535U1 (de) | 1983-03-19 | 1983-03-19 | Radialgeblaese |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0143791A1 true EP0143791A1 (de) | 1985-06-12 |
EP0143791B1 EP0143791B1 (de) | 1988-04-27 |
Family
ID=6751483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84901061A Expired EP0143791B1 (de) | 1983-03-19 | 1984-03-09 | Radialgebläse |
Country Status (4)
Country | Link |
---|---|
US (1) | US4735551A (de) |
EP (1) | EP0143791B1 (de) |
DE (2) | DE8308535U1 (de) |
WO (1) | WO1984003740A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8588701B2 (en) | 2005-02-09 | 2013-11-19 | Nokia Corporation | Noise level communication for high speed uplink packet access |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995032363A1 (en) * | 1994-05-25 | 1995-11-30 | Tec Air, Inc. | Blower housing |
US5484259A (en) * | 1994-06-13 | 1996-01-16 | Emerson Electric Co. | Low noise centrifugal blower |
NL1008137C2 (nl) * | 1998-01-27 | 1999-08-02 | Zwaan Adrianus J | Mechanische, op of in een muur te bevestigen geluiddempende ventilatie-unit. |
US5943878A (en) | 1998-05-22 | 1999-08-31 | American Standard Inc. | Tangential fan scroll and discharged diffuser design |
KR100337287B1 (ko) * | 1999-07-28 | 2002-05-17 | 윤종용 | 원심 송풍기 |
KR100637337B1 (ko) * | 2005-01-25 | 2006-10-20 | 선문대학교 산학협력단 | 원심 송풍기의 스크롤 케이싱 |
DE102009033776A1 (de) * | 2009-07-17 | 2011-01-20 | Behr Gmbh & Co. Kg | Radiallüftergehäuse |
DE102009050684A1 (de) * | 2009-10-26 | 2011-04-28 | Ebm-Papst Landshut Gmbh | Radialgebläse |
BE1022028B1 (nl) * | 2013-04-05 | 2016-02-04 | Atlas Copco Airpower, Naamloze Vennootschap | Behuizing voor een ventilator van een spiraalcompressor |
JP6763815B2 (ja) * | 2017-03-31 | 2020-09-30 | 三菱重工コンプレッサ株式会社 | 遠心圧縮機及びターボ冷凍機 |
CN108626148B (zh) * | 2018-04-10 | 2020-10-30 | 广东美的暖通设备有限公司 | 风机及屋顶机 |
US11480192B2 (en) | 2019-01-04 | 2022-10-25 | Johnson Controls Tyco IP Holdings LLP | Cutoff for a blower housing |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1914919A (en) * | 1931-10-30 | 1933-06-20 | Allis Chalmers Mfg Co | Centrifugal pump |
US2322357A (en) * | 1942-02-04 | 1943-06-22 | B F Sturtevant Co | Centrifugal fan |
US2387348A (en) * | 1943-09-03 | 1945-10-23 | Torrington Mfg Co | Centrifugal displacement apparatus |
US2420401A (en) * | 1945-06-08 | 1947-05-13 | Ivan M Prokofieff | Centrifugal pump |
US2841326A (en) * | 1954-06-14 | 1958-07-01 | Trane Co | Centrifugal fan |
US3029744A (en) * | 1957-03-08 | 1962-04-17 | Mc Graw Edison Co | Impeller housing |
US2994348A (en) * | 1957-09-11 | 1961-08-01 | Dominion Bridge Co Ltd | Method of reinforcing and welding toroidal or spiral shaped vessels |
DE1077368B (de) * | 1957-11-21 | 1960-03-10 | Westerasmaskiner Ab | Zentrifugalgeblaese von relativ zum Laufraddurchmesser grosser Breite |
US3166394A (en) * | 1961-04-12 | 1965-01-19 | Arthur R Adams | Self-dumping centrifugal separator |
US3093299A (en) * | 1961-05-15 | 1963-06-11 | Trane Co | Centrifugal fan |
DE1503649A1 (de) * | 1965-12-18 | 1969-02-06 | Meissen Turbowerke | Lueftertypenreihen nach dem Baukastensystem |
US3380711A (en) * | 1966-01-21 | 1968-04-30 | Laval Turbine | Combined separator and turbine |
US3824028A (en) * | 1968-11-07 | 1974-07-16 | Punker Gmbh | Radial blower, especially for oil burners |
US3707335A (en) * | 1971-01-25 | 1972-12-26 | Whirlpool Co | Water pump |
DE2807273C2 (de) * | 1978-02-21 | 1985-07-18 | Robert Bosch Gmbh, 7000 Stuttgart | Radialgebläse, insbesondere für Heizungen und Klimaanlagen in Kraftfahrzeugen |
ZA791291B (en) * | 1978-03-28 | 1980-03-26 | Howden James & Co Ltd | Fans or the like |
FI64225C (fi) * | 1979-11-29 | 1983-10-10 | Sarlin Ab Oy E | Centrifugalpump |
US4512716A (en) * | 1982-09-30 | 1985-04-23 | Wallace Murray Corporation | Vortex transition duct |
JPS59131799A (ja) * | 1983-12-19 | 1984-07-28 | Hitachi Ltd | 遠心形流体機械のケ−シング |
-
1983
- 1983-03-19 DE DE19838308535U patent/DE8308535U1/de not_active Expired
-
1984
- 1984-03-09 EP EP84901061A patent/EP0143791B1/de not_active Expired
- 1984-03-09 WO PCT/DE1984/000048 patent/WO1984003740A1/de active IP Right Grant
- 1984-03-09 DE DE8484901061T patent/DE3470777D1/de not_active Expired
- 1984-11-19 US US06/672,788 patent/US4735551A/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO8403740A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8588701B2 (en) | 2005-02-09 | 2013-11-19 | Nokia Corporation | Noise level communication for high speed uplink packet access |
Also Published As
Publication number | Publication date |
---|---|
EP0143791B1 (de) | 1988-04-27 |
WO1984003740A1 (en) | 1984-09-27 |
DE8308535U1 (de) | 1984-06-20 |
DE3470777D1 (en) | 1988-06-01 |
US4735551A (en) | 1988-04-05 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
Effective date: 19840620 |
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17Q | First examination report despatched |
Effective date: 19860702 |
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D17Q | First examination report despatched (deleted) | ||
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: VAILLANT GMBH Owner name: SCHONEWELLE B.V. Owner name: VAILLANT LTD. Owner name: VAILLANT GES.M.B.H Owner name: VAILLANT S.A.R.L Owner name: COFRABEL N.V. Owner name: JOH. VAILLANT GMBH U. CO. |
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