EP2495448A3 - Flow guiding device for a pump and pump - Google Patents
Flow guiding device for a pump and pump Download PDFInfo
- Publication number
- EP2495448A3 EP2495448A3 EP12157677.1A EP12157677A EP2495448A3 EP 2495448 A3 EP2495448 A3 EP 2495448A3 EP 12157677 A EP12157677 A EP 12157677A EP 2495448 A3 EP2495448 A3 EP 2495448A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- angle
- impeller
- fluid flow
- guiding device
- 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
- 239000012530 fluid Substances 0.000 abstract 3
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
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/466—Fluid-guiding means, e.g. diffusers adjustable especially adapted for liquid fluid pumps
- F04D29/468—Fluid-guiding means, e.g. diffusers adjustable especially adapted for liquid fluid pumps adjusting flow cross-section, otherwise than by using adjustable stator blades
-
- 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
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid 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
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
- F04D29/448—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps bladed diffusers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/10—Stators
- F05D2240/12—Fluid guiding means, e.g. vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Eine Strömungsleiteinrichtung (25) für eine Impeller-Radialpumpe ist radial außerhalb des Impellers angeordnet und ringförmig umlaufend mit einem umlaufenden Trägerring (27), an dem mehrere Leitschaufeln (29) angeordnet sind. Diese sind derart elastisch ausgebildet, dass bei geringem Fluidstrom ein Anstellwinkel mehr in radiale Richtung weist mit einem Winkel von etwa 70° zur Längsmittelachse der Pumpe. Bei starkem Fluidstrom wird der Winkel kleiner und die Leitschaufeln (29) biegen sich zumindest bereichsweise elastisch ab, so dass sie mit einem kleineren Winkel zwischen 30° und 40° zur Längsmittelachse der Pumpe stehen. So wird das Fluid besser in der Pumpenkammer gefördert. A Strömungsleiteinrichtung (25) for an impeller radial pump is arranged radially outside the impeller and annularly encircling with a circumferential support ring (27) on which a plurality of vanes (29) are arranged. These are designed so elastically that at low fluid flow an angle more in the radial direction has an angle of about 70 ° to the longitudinal central axis of the pump. In the case of a strong fluid flow, the angle becomes smaller and the guide vanes (29) bend elastically at least in regions, so that they are at a smaller angle between 30 ° and 40 ° to the longitudinal center axis of the pump. So the fluid is better promoted in the pump chamber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12157677T PL2495448T3 (en) | 2011-03-04 | 2012-03-01 | Flow guiding device for a pump and pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110005139 DE102011005139B4 (en) | 2011-03-04 | 2011-03-04 | Flow guide for a pump and pump |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2495448A2 EP2495448A2 (en) | 2012-09-05 |
EP2495448A3 true EP2495448A3 (en) | 2014-01-01 |
EP2495448B1 EP2495448B1 (en) | 2018-08-22 |
Family
ID=45841205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12157677.1A Active EP2495448B1 (en) | 2011-03-04 | 2012-03-01 | Flow guiding device for a pump and pump |
Country Status (6)
Country | Link |
---|---|
US (1) | US9011091B2 (en) |
EP (1) | EP2495448B1 (en) |
DE (1) | DE102011005139B4 (en) |
ES (1) | ES2694581T3 (en) |
PL (1) | PL2495448T3 (en) |
TR (1) | TR201815705T4 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2460369B1 (en) | 2012-11-12 | 2015-03-02 | Coprecitec Sl | Fluid circulation pump adapted for an appliance |
CN103133392B (en) * | 2013-03-06 | 2014-04-02 | 扬州大学 | Movable cavity water guide valve device of upright open type pump system |
CN104235070A (en) * | 2013-06-13 | 2014-12-24 | 德昌电机(深圳)有限公司 | Pump case and pump with same |
WO2015100702A1 (en) * | 2013-12-31 | 2015-07-09 | 宁波方太厨具有限公司 | Open water pump and application thereof |
EP3126679B1 (en) * | 2014-03-26 | 2020-02-19 | I.R.C.A. S.p.A. Industria Resistenze Corazzate e Affini | Centrifugal pump for household appliances |
CN105508298B (en) * | 2016-01-18 | 2018-05-25 | 中国联合工程有限公司 | A kind of shield electric machine main pump pump case guiding device |
CN109058123A (en) * | 2018-09-25 | 2018-12-21 | 彭定泽 | A kind of water pump selection formula flow-guiding structure |
DE202019103660U1 (en) * | 2019-07-03 | 2020-10-06 | Borgwarner Inc. | Adjustment mechanism for a compressor |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB206825A (en) * | 1922-11-07 | 1924-01-10 | Escher Wyss Maschf Ag | An improved guide wheel for centrifugal pumps |
FR921711A (en) * | 1946-02-07 | 1947-05-16 | Self-adjusting diffuser for centrifugal pumps | |
FR2153796A5 (en) * | 1971-09-24 | 1973-05-04 | Le Metalliches | |
SU1076640A1 (en) * | 1980-12-17 | 1984-02-29 | Сумский филиал Харьковского политехнического института им.В.И.Ленина | Centrifugal pump |
WO2008125488A2 (en) * | 2007-04-12 | 2008-10-23 | BSH Bosch und Siemens Hausgeräte GmbH | Pump having a heating device |
EP2131042A2 (en) * | 2008-06-06 | 2009-12-09 | Pierburg GmbH | Adjustable coolant pump for the coolant circuit of a combustion engine |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB180823A (en) * | 1921-03-31 | 1922-06-08 | George Ure Reid | Improvements in centrifugal pumps |
US1988163A (en) * | 1930-03-21 | 1935-01-15 | Ingersoll Rand Co | Centrifugal pump |
US2648195A (en) * | 1945-12-28 | 1953-08-11 | Rolls Royce | Centrifugal compressor for supercharging internal-combustion engines |
US4642026A (en) * | 1983-07-26 | 1987-02-10 | Ruff John D | Centrifugal compressor with adjustable diffuser |
DE102006021245B4 (en) * | 2006-04-28 | 2008-03-06 | Bühler Motor GmbH | rotary pump |
DE102007039120B4 (en) * | 2007-08-18 | 2021-09-16 | Bayerische Motoren Werke Aktiengesellschaft | Swirl generating device |
DE102007039707A1 (en) | 2007-08-22 | 2009-07-30 | Miele & Cie. Kg | Clothes dryer with a holding device |
US8197193B2 (en) * | 2008-05-02 | 2012-06-12 | Unico, Inc. | Air distribution blower housing with adjustable restriction |
-
2011
- 2011-03-04 DE DE201110005139 patent/DE102011005139B4/en not_active Expired - Fee Related
-
2012
- 2012-03-01 EP EP12157677.1A patent/EP2495448B1/en active Active
- 2012-03-01 TR TR2018/15705T patent/TR201815705T4/en unknown
- 2012-03-01 PL PL12157677T patent/PL2495448T3/en unknown
- 2012-03-01 ES ES12157677.1T patent/ES2694581T3/en active Active
- 2012-03-02 US US13/410,639 patent/US9011091B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB206825A (en) * | 1922-11-07 | 1924-01-10 | Escher Wyss Maschf Ag | An improved guide wheel for centrifugal pumps |
FR921711A (en) * | 1946-02-07 | 1947-05-16 | Self-adjusting diffuser for centrifugal pumps | |
FR2153796A5 (en) * | 1971-09-24 | 1973-05-04 | Le Metalliches | |
SU1076640A1 (en) * | 1980-12-17 | 1984-02-29 | Сумский филиал Харьковского политехнического института им.В.И.Ленина | Centrifugal pump |
WO2008125488A2 (en) * | 2007-04-12 | 2008-10-23 | BSH Bosch und Siemens Hausgeräte GmbH | Pump having a heating device |
EP2131042A2 (en) * | 2008-06-06 | 2009-12-09 | Pierburg GmbH | Adjustable coolant pump for the coolant circuit of a combustion engine |
Also Published As
Publication number | Publication date |
---|---|
ES2694581T3 (en) | 2018-12-21 |
US20120224957A1 (en) | 2012-09-06 |
TR201815705T4 (en) | 2018-11-21 |
EP2495448B1 (en) | 2018-08-22 |
PL2495448T3 (en) | 2019-03-29 |
EP2495448A2 (en) | 2012-09-05 |
DE102011005139B4 (en) | 2014-05-28 |
US9011091B2 (en) | 2015-04-21 |
DE102011005139A1 (en) | 2012-09-06 |
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