EP3673178A1 - Rohr-axialpumpe - Google Patents
Rohr-axialpumpeInfo
- Publication number
- EP3673178A1 EP3673178A1 EP18758843.9A EP18758843A EP3673178A1 EP 3673178 A1 EP3673178 A1 EP 3673178A1 EP 18758843 A EP18758843 A EP 18758843A EP 3673178 A1 EP3673178 A1 EP 3673178A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- impeller
- motor
- liquid
- axial
- 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
- F04D29/18—Rotors
- F04D29/181—Axial flow rotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0653—Units comprising pumps and their driving means the pump being electrically driven the motor being flooded
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- 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
- F04D29/06—Lubrication
- F04D29/061—Lubrication 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
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/528—Casings; Connections of working fluid for axial pumps 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
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/548—Specially 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
- F04D3/00—Axial-flow pumps
- F04D3/005—Axial-flow pumps with a conventional single stage rotor
Definitions
- the present invention relates to a pipe axial pump for installation in a pipe system.
- the inventor has set itself the task of specifying a tube Axialpupe that can be integrated without major structural changes to the existing system structure in an existing pipe or tunnel system.
- the pipe axial pump according to the invention is characterized by freedom from maintenance and environmental friendliness, since the pipe axial pump according to the invention is free of water polluting substances.
- the inventor has recognized that the stated object can be achieved by a tubular axial pump with the features of claim 1.
- Advantageous embodiments will become apparent from the dependent claims of claim 1. The solution according to the invention is explained below with reference to figures. The following is shown in detail:
- FIG. 1 pipe axial-flow pump according to the invention
- Figure 2 pipe axial-flow pump according to the invention in section.
- Figure 1 shows a pipe-axial pump according to the invention.
- the pump housing which is designated 3, cut to share the view of the underlying pump.
- the pump comprises an impeller designated by 1.
- the impeller 1 is arranged in an impeller chamber which surrounds it and which is denoted by 2.
- the impeller chamber 2 is part of the pump housing and may be spherical or cylindrical. In the first case, the impeller chamber 2 is divided.
- the pump further comprises a motor, which is denoted by 4 and enclosed by a motor housing.
- the impeller 1 is connected to the motor 4 so as to be driven thereby, and includes a hub and a plurality of blades.
- the blades can be rigidly or rotatably mounted connected to the hub of the impeller 1.
- the motor 4 may be configured to rotate at a constant or variable speed.
- the unit of motor 4 and impeller 1 is held centrally by a plurality of so-called traverses in the pump housing 3, wherein one of the trusses is denoted by 5.
- the pump housing 3, which wraps around the pump, is substantially tubular, the diameter of this tube need not be constant, and has a first opening for receiving the liquid to be pumped, which is in the vicinity of the impeller 1, and a second opening for discharging the liquid to be pumped, which is located in the vicinity of the motor 4.
- the trusses 5 are supported on the outside of the pump housing 3 and inside of the motor housing.
- the liquid flowing into the pump during operation from the first opening receives a certain amount of twist when passing through the impeller.
- the trusses are designed so that they can reduce the swirl of the liquid.
- the motor housing is flowed around during operation of the liquid to be pumped.
- the two openings of the pump housing 3 may be circular, which facilitates the integration of the axial pump in an existing tube system. In other installation situations, the However, openings also have other cross-sectional shapes.
- the pump housing 3 may include means for supporting the pump on the ground or suspending the pump on suitable supporting structures.
- Figure 3 shows a pipe-axial pump according to the invention in longitudinal section, which allows insight into the motor housing.
- the engine 4 has two bearings.
- a first bearing which is designated 61, is designed as a combined track and guide bearing and arranged between the impeller 1 and the rotor of the motor 4.
- a second bearing which is designated 62, is designed as a guide bearing and arranged at the end facing away from the impeller 1 of the motor housing.
- Both bearings 61 and 62 are lubricated by the liquid to be pumped, which is made possible by the fact that the motor housing is not sealed against the liquid flowing around the motor housing, so that the motor housing is filled by the liquid to be pumped. This avoids oil lubrication that could potentially contaminate the fluid being pumped.
- the axial tube pump according to the invention can also be used for pumping drinking water.
- the motor 4, which drives the impeller 1 is disposed within the liquid-conducting region, an outwardly guided pump shaft, including the associated sealing of the rotary feedthrough becomes superfluous. Only the control and power cables have to be led to the outside. Also, no arcuate arrangement of the liquid-carrying part of the pump is required, whereby the pump according to the invention is designed substantially smaller and more compact than comparable classic axial pumps.
- the pump according to the invention can thus be easily integrated into an existing pipe or tunnel system without major structural changes. By lubrication with the liquid to be pumped, the pump is largely maintenance-free and environmentally friendly. For the maintenance case The entire pump can be removed and overhauled in one piece or in parts.
- the pump according to the invention can be installed at any angle in an existing or new pipe or tunnel system. It is possible to adjust the liquid inlet and outlet from the axial pipe pump according to the application (flange connection, direct connection to the existing pipe or tunnel system, etc.). As a possible application of the tube-axial pump according to the invention, the installation of the pump in a horizontal design in a drinking water pumping plant to increase the suction pressure of the main pump is called.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017119241.7A DE102017119241A1 (de) | 2017-08-23 | 2017-08-23 | Rohr-Axialpumpe |
| PCT/EP2018/071994 WO2019038130A1 (de) | 2017-08-23 | 2018-08-14 | Rohr-axialpumpe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3673178A1 true EP3673178A1 (de) | 2020-07-01 |
| EP3673178B1 EP3673178B1 (de) | 2021-05-12 |
Family
ID=63311995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18758843.9A Active EP3673178B1 (de) | 2017-08-23 | 2018-08-14 | Rohr-axialpumpe |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11434920B2 (de) |
| EP (1) | EP3673178B1 (de) |
| CN (1) | CN111051700B (de) |
| CA (1) | CA3073461A1 (de) |
| DE (1) | DE102017119241A1 (de) |
| WO (1) | WO2019038130A1 (de) |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH113223A (de) * | 1925-04-06 | 1926-05-17 | Oscar Simmen | Elektrisch angetriebene Fördervorrichtung. |
| GB250177A (en) * | 1925-04-06 | 1926-07-08 | Oscar Simmen | Improvements in or relating to electrically driven rotary pumps |
| CH150076A (de) | 1930-08-06 | 1931-10-15 | Escher Wyss Maschf Ag | Kreiselmaschine mit drehbaren Laufschaufeln. |
| CH287346A (fr) * | 1950-04-14 | 1952-11-30 | E M B Elektromotorenbau Ag Bir | Dispositif de compensation des poussées axiales exercées sur l'arbre portant la rou d'une pompe servant d'accélérateur d'un liquide en circulation. |
| US4213745A (en) * | 1978-09-11 | 1980-07-22 | Roberts Samuel A | Pump for central heating system |
| US5102308A (en) * | 1990-09-14 | 1992-04-07 | Thomas Bordelon | Axial flow pump |
| DE4427737C2 (de) * | 1994-08-05 | 1997-03-20 | Koester Friedrich Gmbh & Co Kg | Pumpe mit Antriebsmotor |
| EP0903500B1 (de) * | 1997-09-19 | 2001-03-14 | TCG UNITECH Aktiengesellschaft | Elektrisch betriebene Kühlmittelpumpe |
| US6702555B2 (en) * | 2002-07-17 | 2004-03-09 | Engineered Machined Products, Inc. | Fluid pump having an isolated stator assembly |
| JP2005127226A (ja) * | 2003-10-24 | 2005-05-19 | Hitachi Industries Co Ltd | 排水ポンプ及び水中軸受装置 |
| JP4557536B2 (ja) * | 2003-12-05 | 2010-10-06 | 新明和工業株式会社 | ポンプ装置 |
| DE102006010723A1 (de) * | 2006-03-08 | 2007-09-13 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Kompressoranordnung |
| US7535138B2 (en) * | 2006-04-27 | 2009-05-19 | Chi-Der Chin | Reversible submerged motor |
| CN101112628A (zh) | 2006-11-30 | 2008-01-30 | 中国医学科学院阜外心血管病医院 | 微型可植入轴流式心脏辅助血泵 |
| JP4844414B2 (ja) * | 2007-01-31 | 2011-12-28 | 株式会社日立プラントテクノロジー | チューブラポンプ |
| CN201339585Y (zh) * | 2009-01-12 | 2009-11-04 | 贾良成 | 开敞式轴流泵 |
| CN202250889U (zh) * | 2011-10-10 | 2012-05-30 | 鹰潭三川水泵有限公司 | 一种用于抽取海水的立式轴流泵 |
| JP5602122B2 (ja) * | 2011-12-13 | 2014-10-08 | 日立Geニュークリア・エナジー株式会社 | すべり軸受とそれを用いたポンプ装置 |
| DE102012212423A1 (de) * | 2012-07-16 | 2014-01-16 | Mahle International Gmbh | Flüssigkeitspumpe |
-
2017
- 2017-08-23 DE DE102017119241.7A patent/DE102017119241A1/de not_active Withdrawn
-
2018
- 2018-08-14 WO PCT/EP2018/071994 patent/WO2019038130A1/de not_active Ceased
- 2018-08-14 CN CN201880054568.8A patent/CN111051700B/zh active Active
- 2018-08-14 US US16/641,366 patent/US11434920B2/en active Active
- 2018-08-14 CA CA3073461A patent/CA3073461A1/en active Pending
- 2018-08-14 EP EP18758843.9A patent/EP3673178B1/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111051700A (zh) | 2020-04-21 |
| CN111051700B (zh) | 2021-06-22 |
| CA3073461A1 (en) | 2019-02-28 |
| DE102017119241A1 (de) | 2019-02-28 |
| EP3673178B1 (de) | 2021-05-12 |
| US20200224666A1 (en) | 2020-07-16 |
| US11434920B2 (en) | 2022-09-06 |
| WO2019038130A1 (de) | 2019-02-28 |
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