EP2433008A1 - Staurohrpumpe - Google Patents
StaurohrpumpeInfo
- Publication number
- EP2433008A1 EP2433008A1 EP10714252A EP10714252A EP2433008A1 EP 2433008 A1 EP2433008 A1 EP 2433008A1 EP 10714252 A EP10714252 A EP 10714252A EP 10714252 A EP10714252 A EP 10714252A EP 2433008 A1 EP2433008 A1 EP 2433008A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pitot tube
- tube pump
- hydraulic chamber
- axis
- rotor
- 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
- 239000008141 laxative Substances 0.000 claims description 8
- 230000002475 laxative effect Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 238000005086 pumping Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 8
- 238000007689 inspection Methods 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- IHQKEDIOMGYHEB-UHFFFAOYSA-M sodium dimethylarsinate Chemical class [Na+].C[As](C)([O-])=O IHQKEDIOMGYHEB-UHFFFAOYSA-M 0.000 description 1
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
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/12—Pumps with scoops or like paring members protruding in the fluid circulating in a bowl
-
- 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
- F04D13/0673—Units comprising pumps and their driving means the pump being electrically driven the motor being of the inside-out type
Definitions
- the present invention relates to a pitot tube with at least one supply line and at least one outgoing line and a hydraulic chamber and a drive.
- pitot tubes are also known as pitot pumps, jet pumps, turbopumps or pumps with a pitite element.
- Conventional pumps according to the pitot tube principle are driven by means of a bearing carrier and a motor coupled thereto.
- On the opposite side of the hydraulic chamber there are fluid connections as well as the passage of the pitot tube sealed into the hydraulic chamber by a dynamic seal.
- the dynamic seal is aligned with the hydraulic chamber via a housing enclosing the hydraulic chamber, which housing is connected to the bearing carrier.
- a pitot tube pump which has a plurality of pit elements in an encapsulated pumping chamber.
- inlet and outlet of the hydraulic chamber are arranged on different sides of the pump.
- US 5,145,314 describes a pitot tube pump, wherein drive and fluid-carrying line are arranged on different sides of the pumping chamber.
- US 1, 032 892 shows a pitot tube pump with at least one supply line and at least one outgoing line and a hydraulic chamber and a drive. Drive, supply line and laxative line are arranged on a common side of the hydraulic chamber.
- DE 11 2006 000 496 T5 describes a pitot tube pump with a pumping chamber, in which a wear ring is used adjacent to the pitot tube within the pumping chamber in a groove. Drive and fluid-carrying lines are arranged in this pitot tube pump on different sides of the pump.
- WO 03/089788 A1 describes a pitot tube pump, in which the pump drive and inlet and outlet from / to the pumping chamber are arranged on different sides of a pumping chamber located within a housing.
- a pitot tube pump with the features of claim 1.
- the feeding and / or the laxative line (30, 32) is arranged, in particular that feeding and discharging line (30, 32) are arranged only in the axis (90) and that the electric motor has at least one stator (64) and at least one rotor (62), wherein the stator (64) is non-rotatably connected to the axle (90) and / or wherein the rotor (62) is part of the hydraulic chamber (20) and / or the rotor (62) is non-rotatably connected to the hydraulic chamber (20).
- drive, feeding line and laxative line are arranged on a common side of the hydraulic chamber.
- the sides of the hydraulic chamber may be the broad sides of the hydraulic chamber.
- at least one pitot tube is arranged in the hydraulic chamber.
- This pitot tube is preferably arranged stationary, with the hydraulic chamber or components of the hydraulic chamber rotating relative to the pitot tube in order to radially accelerate the fluid to be pumped.
- the feeding and / or the discharging line are arranged in the vertical axis, in particular if feeding and discharging lines are arranged only in the axis.
- the feeding and / or the discharging line may preferably be formed by axial bores along the longitudinal axis of the axis.
- this axial bore (s) is / are connected to the connection or connections located in the projection, which are preferably designed as radial bores.
- this axial bore (s) is / are connected to the connection or connections located in the projection, which are preferably designed as radial bores.
- radial bores For example, arranged in the approach of the axis radial bore perpendicular to the neck of the non-breaking axial bore line and thus create a drain or inlet to the hydraulic chamber.
- the electric motor has at least one stator and at least one rotor, wherein the stator is rotatably connected to the axis and / or wherein the rotor is part of the hydraulic chamber and / or the rotor is non-rotatably connected to the hydraulic chamber.
- the stator can for example also be part of the axis.
- the stator is positively and / or frictionally connected rotationally fixedly connected to the axis, such as by a press fit or by a Nut-feather key connection.
- the rotor may be formed, for example, by a wall or Wandungsausformung the hydraulic chamber.
- the rotor form fit and / or frictionally rotationally fixed, z. B. is connected by means of press fit or by a groove-key combination with the hydraulic chamber. It is also conceivable that the connection with the hydraulic chamber is realized indirectly and / or directly. It may be sufficient, for example, when the rotor is attached to a component that is connected to a wall of the hydraulic chamber forming element or a wall of the hydraulic chamber forming element.
- the inventive arrangement has the advantage that the pitot tube pump can be made very compact. For example, a storage on both sides of the hydraulic chamber can be omitted.
- no separate housing for the hydraulic chamber and the other components of the pitot tube pump is provided.
- At least one bearing preferably the mounting of the movable components of the pitot tube pump, is arranged on the common side.
- the pitot tube has a vertical axis.
- a standing axle may be a central axis about which the movable components of the pitot tube pump rotate.
- the standing axis has a projection which projects into the hydraulic chamber, wherein the feeding and discharging line opens into the approach or has a connection.
- the connections can be realized by radial holes in the neck.
- At least one pitot tube is provided, which is arranged on the approach. It is preferably provided that the pitot tube is connected to the terminal located at the approach of the laxative line.
- the drive is an electric motor. This makes it possible to utilize a particularly advantageous type of drive.
- the control or regulation of the pitot tube pump can thereby be made simple and advantageous.
- a customary control or a customary control and / or control unit can be used.
- a dynamic seal which seals a gap between the movable and immovable components of the pitot tube pump.
- the dynamic seal seals the gap between the axle and a movable rotor carrier.
- a dynamic seal is to be understood as a broad concept, which may include, for example, one or more radial shaft seals.
- a component of a dynamic seal may be a sealing labyrinth which is functionally connected to the dynamic seal. In principle, however, it may already be sufficient if the dynamic seal by a Radial shaft seal is formed.
- a rotor carrier may, for example, be a component that is rotatable about the stationary axis of the pitot tube pump and that is preferably in communication with the rotating hydraulic chamber.
- the rotor carrier may be part of the hydraulic chamber or connected in rotation therewith.
- the rotor carrier forms a wall of the hydraulic chamber or is formed by a wall of the hydraulic chamber.
- a single dynamic seal is provided and / or that the dynamic seal is seated and / or running on the stationary axle or on the attachment of the axle.
- the pitot tube has only a single gap to be sealed between the stationary axis and the rotor carrier.
- a dynamic seal is provided.
- a radial shaft seal is used such that the sealing lip rotatably rotor arm or the rotating about the axis of the component of the pitot tube pump is connected and rotates on the approach.
- the hydraulic chamber has a removable lid. This results in the advantage that the hydraulic chamber is easily accessible. As a result, for example, a maintenance or inspection can be carried out quickly and easily.
- the lid substantially surrounds or forms the hydraulic chamber and / or that the lid is fastened to a wall of the movable components of the pitot tube pump, preferably to the rotor carrier.
- the lid engages over the pitot tube. This results in the advantage that during maintenance or inspection, the condition of the pitot tube can be easily checked. Furthermore, if necessary, the pitot tube can be easily cleaned or be exchanged, since it is freely accessible due to the pitot tube overlapping lid upon removal of the lid.
- the cover is arranged on the side opposite the common side of the hydraulic chamber. As a result, a simple removal of the lid is possible.
- Figure 1 a sectional drawing through a pitot tube according to the invention.
- FIG. 1 shows a sectional drawing through a pitot tube pump 10 according to the invention.
- the fluid connections 30 and 32 ie the supply line 30 and the discharge line 32, are arranged on the side of the hydraulic chamber 20 shown on the left in FIG.
- the dynamic seal 40 and the bearing 50 and the drive 60th are arranged on the side of the hydraulic chamber 20 shown on the left in FIG.
- the bearing 50 and the drive 60 are designed as an integrated storage and drive unit 70, ie the bearing 50 assumes both the task of supporting the rotating hydraulic chamber 20 and the storage of the drive 60. This results in the advantage of a much smaller footprint and considerable Cost advantages, since a variety of hitherto mandatory components such as coupling and bearing carrier according to the invention is no longer necessary.
- the standing pitot tube 80 is inserted into the rotating hydraulic chamber 20 and sealed by means of a dynamic seal 40.
- the pitot tube 80 is placed on the neck 92 of the standing wave 90 and connected to a 92 arranged in the radial bore 33. This radial bore 33 is connected to the laxative line 32.
- the supplying line 30 is connected to a radial bore 31 arranged in the shoulder 92, wherein the radial bore 32 allows an inflow of the supplied fluid into the hydraulic chamber 20.
- the radial bores 31 and 33 are each perpendicular to the associated lines or holes 30 and 32nd
- the drive 60 is designed as an external rotor motor and is located on the same side as the fluid ports 30 and 32.
- the rotor 62 of the drive 60 is preferably already part of the hydraulic chamber 20 or as shown in Figure 1, directly or rotationally fixed to the hydraulic chamber 20 coupled so that an additional coupling can be omitted.
- the stator 64 of the drive 60 is rotationally fixed to the stationary axis 90 of the pitot tube 10.
- the rotor 62 is rotatably mounted on a rotor carrier 100.
- the rotor carrier 100 forms a wall of the hydraulic chamber 20 with a flange-like wall 102.
- the lid 22 of the hydraulic chamber 20 is fixed to this flange-like wall 102 of the rotor carrier 100.
- the actual interior of the hydraulic chamber 20 is formed by the recess in the cover 22.
- the cover 22 engages over both the projection 92 and the pitot tube 80, so that when removing the cover 22, the components located in the hydraulic chamber 20 are freely accessible.
- the gap between the neck 92 of the standing axis 90 and the rotor arm 100 is.
- this gap designed as a pressure-resistant radial shaft seal dynamic seal 40 is used, wherein the sealing lip of the radial shaft seal, for example, can run on the hardened neck 92.
- the fluid to be pumped is supplied via the arranged in the axis 90 feeding line 30 to the hydraulic chamber 20 and after entering the standing pitot tube 80, which is end-side connected to the discharge line 32, via the also discharged in the axis 90 arranged discharge line 32.
- a supply and discharge line may be provided for a cooling medium, by means of which the drive 60 and / or the hydraulic chamber 20 can be cooled.
- a complete inspection of the drive 60 and the bearing 50 can be carried out by pulling down the rotor 62 from the stator 64 or from the axis 90.
- the assembly or assembly of the pitot tube pump 10 is carried out after maintenance or inspection then in the reverse order as in disassembly.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009021922A DE102009021922B3 (de) | 2009-05-19 | 2009-05-19 | Staurohrpumpe |
| PCT/EP2010/054920 WO2010133405A1 (de) | 2009-05-19 | 2010-04-15 | Staurohrpumpe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2433008A1 true EP2433008A1 (de) | 2012-03-28 |
| EP2433008B1 EP2433008B1 (de) | 2019-06-12 |
Family
ID=42538764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP10714252.3A Active EP2433008B1 (de) | 2009-05-19 | 2010-04-15 | Staurohrpumpe |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US8403625B2 (de) |
| EP (1) | EP2433008B1 (de) |
| JP (1) | JP2012527562A (de) |
| CN (1) | CN102428278B (de) |
| AU (1) | AU2010251423B2 (de) |
| DE (1) | DE102009021922B3 (de) |
| WO (1) | WO2010133405A1 (de) |
| ZA (1) | ZA201108152B (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10151314B2 (en) | 2013-03-15 | 2018-12-11 | Envirotech Pumpsystems, Inc. | Gear-driven flow-through pitot tube pump |
| CN104389791B (zh) * | 2014-11-20 | 2017-05-31 | 浙江胜发泵业有限公司 | 一种改进容积效率的旋喷泵及改进方法 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE139240C (de) | ||||
| US1032892A (en) * | 1911-07-17 | 1912-07-16 | Maurice Goudard | Centrifugal hydraulic engine. |
| GB493333A (en) * | 1937-06-04 | 1938-10-06 | Eugene Guy Euston Beaumont | Improvements relating to centrifugal pumps |
| BE783139A (fr) * | 1971-05-08 | 1972-09-01 | Gokcen Mehmet R | Pompe |
| JPS48902U (de) * | 1971-05-27 | 1973-01-08 | ||
| DE3138315A1 (de) * | 1980-10-08 | 1982-06-16 | Siemens AG, 1000 Berlin und 8000 München | Staudruckfoerdereinrichtung fuer fluessigkeiten, gase oder deren gemische |
| US4626176A (en) * | 1984-05-03 | 1986-12-02 | Genevac Limited | Pump employing the suction effect of a rotating liquid ring |
| GB8620546D0 (en) * | 1986-08-23 | 1986-10-01 | Genevac Ltd | Vacuum pump |
| GB8813745D0 (en) * | 1988-06-10 | 1988-07-13 | Genevac Ltd | Improved method of pumping & pumping apparatus |
| US4875826A (en) * | 1988-07-26 | 1989-10-24 | Sundstrand Corporation | Pitot pump assembly for a rotating fluid management device |
| US5261784A (en) * | 1990-10-30 | 1993-11-16 | Sundstrand Corporation | Variable pressure pitot pump |
| US5145314A (en) * | 1991-04-18 | 1992-09-08 | Sundstrand Corporation | Low drag pitot pump and method of operating same |
| JP3284460B2 (ja) * | 1997-11-25 | 2002-05-20 | 株式会社クボタ | ゲートポンプ |
| US6817845B2 (en) | 2002-04-19 | 2004-11-16 | Envirotech Pumpsystems, Inc. | Centrifugal pump with switched reluctance motor drive |
| JP2004137935A (ja) * | 2002-10-16 | 2004-05-13 | Keihin Corp | 電動ポンプ装置 |
| JP2004346774A (ja) * | 2003-05-20 | 2004-12-09 | Aisan Ind Co Ltd | 磁気結合ポンプ |
| JP2005320918A (ja) * | 2004-05-10 | 2005-11-17 | Asmo Co Ltd | 流体ポンプ装置 |
| US20060198731A1 (en) | 2005-03-03 | 2006-09-07 | Envirotech Pumpsystems, Inc. | Wear ring for a centrifugal pitot tube pump |
| DE102006028597A1 (de) * | 2006-06-22 | 2007-12-27 | Hagge, Stefan, Dipl.-Ing. | Turbopumpe in kompakter Bauweise mit verbessertem Wirkungsgrad |
| DE102007033644A1 (de) * | 2007-07-19 | 2009-01-22 | Katharina Diener | Staurohr-Zentrifugalpumpe vom Pitot-Tube Type |
-
2009
- 2009-05-19 DE DE102009021922A patent/DE102009021922B3/de not_active Expired - Fee Related
-
2010
- 2010-04-15 CN CN201080021881.5A patent/CN102428278B/zh not_active Expired - Fee Related
- 2010-04-15 JP JP2012511215A patent/JP2012527562A/ja active Pending
- 2010-04-15 WO PCT/EP2010/054920 patent/WO2010133405A1/de not_active Ceased
- 2010-04-15 EP EP10714252.3A patent/EP2433008B1/de active Active
- 2010-04-15 AU AU2010251423A patent/AU2010251423B2/en not_active Ceased
-
2011
- 2011-11-07 ZA ZA2011/08152A patent/ZA201108152B/en unknown
- 2011-11-18 US US13/300,215 patent/US8403625B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2010133405A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102428278A (zh) | 2012-04-25 |
| AU2010251423B2 (en) | 2012-12-20 |
| CN102428278B (zh) | 2014-08-27 |
| US8403625B2 (en) | 2013-03-26 |
| DE102009021922B3 (de) | 2010-09-09 |
| JP2012527562A (ja) | 2012-11-08 |
| AU2010251423A1 (en) | 2011-11-17 |
| EP2433008B1 (de) | 2019-06-12 |
| WO2010133405A1 (de) | 2010-11-25 |
| US20120107093A1 (en) | 2012-05-03 |
| ZA201108152B (en) | 2012-07-25 |
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