WO2003067094A1 - Flüssigkeitspumpe - Google Patents
Flüssigkeitspumpe Download PDFInfo
- Publication number
- WO2003067094A1 WO2003067094A1 PCT/DE2002/003878 DE0203878W WO03067094A1 WO 2003067094 A1 WO2003067094 A1 WO 2003067094A1 DE 0203878 W DE0203878 W DE 0203878W WO 03067094 A1 WO03067094 A1 WO 03067094A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- pump
- housing part
- pot
- pump according
- Prior art date
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
- F04D29/08—Sealings
-
- 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
- F04D29/08—Sealings
- F04D29/086—Sealings 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
-
- 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
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- 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
- F05D2260/00—Function
- F05D2260/30—Retaining components in desired mutual position
- F05D2260/33—Retaining components in desired mutual position with a bayonet coupling
Definitions
- the invention is based on a liquid pump, in particular a water pump, according to the preamble of claim 1.
- Screw connections made, which are arranged offset by the same circumferential angle.
- the motor housing is fastened to the cover flange and the output shaft of the electric motor is sealed through the cover flange and receives the pump wheel in the interior of the pump housing in a rotationally fixed manner.
- the liquid pump according to the invention with the features of claim 1 has the advantage that only one seal is required to seal the pump housing and the motor housing and the contact pressure on the seal is generated without additional fastening means.
- a single sealing ring takes on both functions, i.e. sealing the pump housing against liquid leakage and sealing the motor housing against the ingress of liquid from the outside.
- the assembly and disassembly of the pump is extremely simple and significantly reduces the costs for production and repair. Since no separate fasteners are required, the logistics of the assembly line can be simplified and assembly tools can be saved, which also contributes to a reduction in the cost of the pump.
- the stator of the electric motor and the lower housing part of the pump housing are non-rotatably fixed to one another and the upper housing part and the lower housing part are positioned in the correct position relative to one another and held non-rotatably against one another.
- This preferably made by a tongue and groove connection of the stator and the inner housing part on the one hand and the lower and upper housing part on the other hand serves for assembly coding and on the other hand forms an anti-rotation device during assembly that correctly assigns the stator, motor housing and Pump housing guaranteed.
- the latching between the housing pot and the housing upper part of the pump housing according to Art of a boyonet lock and has on the upper housing part protruding retaining webs arranged equidistantly over the circumference of the upper housing part and undercuts formed on the pot edge of the housing pot, which can be brought into non-positive and positive engagement with one another by relative rotation of the housing pot and upper housing part.
- At least one axially projecting stop is arranged on the upper housing part, preferably on a retaining web, on which one of the undercuts at the end of the relative rotation of the housing pot and required for locking
- an anti-rotation device is provided between the housing pot and the upper housing part, which is effective after the latching has been established by applying an undercut to the stop of the upper housing part, and non-rotatably connects the housing pot and the pump housing.
- This anti-twist device ensures that the connection between the upper part of the housing and the housing pot is not unintentionally released, even in rough operation.
- the pot base of the housing pot is provided with an elongated hole which extends in the circumferential direction and through which the winding connections of the stator are guided.
- This elongated hole enables the relative rotation between the housing pot and the stator of the electric motor, which is connected in a rotationally fixed manner to the pump housing, and which is required for locking the housing pot and the upper housing part of the pump housing.
- the slot is made by one Covered electronics housing in which the control electronics for the electric motor is integrated.
- FIG. 1 is a perspective view of a water pump
- Fig. 2 is a rear view of the water pump in the direction of arrow II in
- FIG. 3 shows the water pump of FIG. 1 with a partially removed
- Fig. 4 is a perspective view of the lower housing part of the
- Fig. 6 a section of a section of the housing pot along the
- the water pump shown in perspective in FIG. 1 as an exemplary embodiment of a general liquid pump is preferably used in motor vehicle construction in the cooling circuit of the internal combustion engine or in the heating circuit of the heating system. It has a two-part pump housing 11, which is composed of a lower housing part 12 and an upper housing part 13 pushed thereon.
- the lower housing part 12 carries on the edge a radially outwardly projecting ring web 14, which, as an abutment for the annular front end of the upper housing part 13 and an insert between the annular web 14 and the front end of the upper housing part 13, on the casing of the lower housing part 12 pushed on sealing ring 15 is used.
- an axial intake 16 enclosing an inlet opening 161 and an outlet opening 17 enclosing an outlet opening 171 are formed in a tangential manner, in each of the two housing parts 12, 13 a spiral groove 181, 182 is formed.
- the two channels 181, 182 lying congruently on top of one another when the upper housing part 13 is pushed onto the lower housing part 12 form a pressure spiral 18 opening in the intake port 16 (FIG. 5).
- FIG. 4 only the groove 181 formed in the housing lower part 12 of the pressure spiral 18 can be seen, which is covered by the groove 182 of the pressure spiral 18 of the same design in the housing upper part 13, the pressure-side outlet connection 17 covering the one Half of the outlet opening 171 forming the mouth of the lower groove 181 of the pressure spiral 18 pushes.
- a pump wheel 19 is arranged coaxially with the axis of the pump housing 11 and is seated in a rotationally fixed manner on an output shaft 20 of an electric motor 21 projecting coaxially into the pump housing 11. The rotating pump wheel 19 sucks water axially through the suction port 16 and conveys this into the pressure spiral 18, from which the water flows out via the outlet port 17 at the delivery pressure.
- the electric motor 21 consists in a known manner of a stator 22 (FIG. 4) and a rotor, not shown here, which is enclosed in a ring by the stator 22.
- the stator 22 carries a stator winding 23 which can be energized via winding connections 24, 25 (FIG. 2).
- the electric motor 21 is accommodated in a housing pot 26, which engages over the annular web 14 on the lower housing part 12, the sealing ring 15 and partially the upper housing part 13 and with the upper housing part 13, producing an axial clamping force between the upper housing part 12 and the housing pot 26 is locked.
- an annular support shoulder 27 (FIG.
- the housing pot 26 has in its pot bottom 262 (FIG. 2) an elongated hole 29 which extends in the circumferential direction and through which the winding connections 24, 25 of the stator winding 23 are passed.
- an electronics housing is placed on the pot bottom 261, which covers the elongated hole 29 and the control electronics to be connected to the winding connections 24, 25, e.g. for speed control, for the electric motor 21 contains.
- the latching between the housing pot 26 and the upper housing part 13 is designed in the manner of a bayonet lock and has holding webs 30 arranged equidistantly over the circumference on the upper housing part 13 and on the overlap edge 28 Undercuts 31 on. Retaining webs 30 and undercuts 31 are brought into engagement with one another by the relative rotation of the housing pot 26 and the upper housing part 13 of the pump housing 1 1, with an axial movement with increasing relative rotation Sliding movement of the two components mentioned uses, which causes a non-positive pressure between the ring web 14 and the front end of the upper housing part 13 sealing ring 15.
- the rotational movement is limited by a stop 32 (FIGS. 1 and 3) which is formed on one of the holding webs 30 and projects axially into the rotational path of the undercuts 31.
- a stop 32 (FIGS. 1 and 3) which is formed on one of the holding webs 30 and projects axially into the rotational path of the undercuts 31.
- the latching of the housing pot 26 and the housing upper part 13 of the pump housing 11 is secured by an anti-rotation device
- the anti-rotation device 33 has an axially elastically deformable web projecting outwards on the upper housing part 13
- the water pump is installed as follows:
- the stator 22 and the lower housing part 12 are secured against relative rotation by a tongue and groove connection 35.
- This Tongue and groove connection 35 also serves as assembly coding for the correct rotational position assignment of stator 22 and lower housing part 12.
- the upper housing part 13 is pushed over the preassembly unit with the sealing ring 15 (FIG. 3).
- the lower housing part 12 and the upper housing part 13 are non-rotatably fixed to one another by a tongue and groove connection 36, which at the same time serves as assembly code for the correct positioning of the upper housing part 13 and the lower housing part 12 when pushed on.
- a tongue and groove connection 36 which at the same time serves as assembly code for the correct positioning of the upper housing part 13 and the lower housing part 12 when pushed on.
- the tongue and groove connection 36 only the axially extending groove in the lower housing part 12 can be seen in FIG. 4.
- the housing pot 26 is pushed onto the stator 22 (FIG. 3), the overlapping edge 28 at the pot opening 261 increasingly overlapping the ring web 14, the sealing ring 15 and the upper housing part 13 and the undercuts 31 on the overlapping edge 28 slide between the holding webs 30 on the upper housing part 13.
- the winding connections 24, 25 of the stator winding 23 pass through the elongated hole 29.
- the pushing on of the housing pot 26 is completed when the housing pot 27 and the lower housing part 12 abut on the support shoulder 27.
- the rear sections 31 are now rotated in front of the holding webs 30 by a rotary movement of the housing pot 26, the rotary movement being limited by the stop 32.
- the sealing ring 15 After the rotary movement of the housing pot 26, the sealing ring 15 is axially compressed and reliably seals both the pump housing 11 against water leakage and the housing pot 26 against the ingress of water. If an undercut 31 strikes the stop 32 during the rotational movement of the housing pot 26, the rotational movement of the housing pot 26 is blocked and the web 34 of the anti-rotation means 33, which is elastically deflected by an undercut 31, is released again by the undercut 31, so that the web 34 springs back into its original position and by reaching behind the Undercut 31 prevents the housing pot 26 from turning back in the circumferential direction (FIGS. 1 and 6).
- a bayonet connection is characterized in that the holding webs 30 and / or the undercuts 31 have an increasing axial depth in the direction of rotation in order to generate an axial clamping force and thus a contact pressure on the sealing ring 15 when the two parts to be connected are rotated ,
- the locking can also be carried out with retaining webs and undercuts that have a constant axial width or thickness. In this case the axial
- Assignment of the retaining webs 30 on the upper housing part 13 and the undercuts 31 on the housing pot 26 are carried out in such a way that a pressure force which compresses the sealing ring 15 must be applied before and during the rotation of the housing pot 26 and the pump housing 11 so that the undercuts 31 on the housing pot 26 in front of the retaining webs 30 on the upper housing part 13.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02781135A EP1474611B1 (de) | 2002-02-05 | 2002-10-14 | Flüssigkeitspumpe |
KR10-2004-7011940A KR20040077930A (ko) | 2002-02-05 | 2002-10-14 | 유체 펌프 |
US10/469,745 US7137794B2 (en) | 2002-02-05 | 2002-10-14 | Liquid pump |
JP2003566417A JP4317028B2 (ja) | 2002-02-05 | 2002-10-14 | 液体ポンプ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10204459A DE10204459A1 (de) | 2002-02-05 | 2002-02-05 | Flüssigkeitspumpe |
DE10204459.7 | 2002-02-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003067094A1 true WO2003067094A1 (de) | 2003-08-14 |
Family
ID=7713645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2002/003878 WO2003067094A1 (de) | 2002-02-05 | 2002-10-14 | Flüssigkeitspumpe |
Country Status (6)
Country | Link |
---|---|
US (1) | US7137794B2 (de) |
EP (1) | EP1474611B1 (de) |
JP (1) | JP4317028B2 (de) |
KR (1) | KR20040077930A (de) |
DE (1) | DE10204459A1 (de) |
WO (1) | WO2003067094A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008125488A3 (de) * | 2007-04-12 | 2008-12-18 | Bsh Bosch Siemens Hausgeraete | Pumpe mit heizeinrichtung |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4298684B2 (ja) * | 2005-07-19 | 2009-07-22 | 株式会社カワサキプレシジョンマシナリ | 液圧装置の斜板支持台装着構造 |
DE102005039557A1 (de) * | 2005-08-22 | 2007-03-01 | Robert Bosch Gmbh | Kreiselpumpe |
US20070193626A1 (en) * | 2006-01-10 | 2007-08-23 | Pulver Dale A | Cartridge assembly retainer |
US8708674B2 (en) * | 2007-06-14 | 2014-04-29 | Carefusion 212, Llc | Modular CPAP compressor |
DE102007045126A1 (de) * | 2007-09-20 | 2009-04-02 | Ksb Aktiengesellschaft | Hauptkühlmittelpumpe |
KR100819921B1 (ko) * | 2007-12-14 | 2008-04-08 | 주식회사 청석 | 엇물리는 리브에 의하여 결합되는 캡을 구비한 모터펌프 |
DE102008049238A1 (de) * | 2008-05-30 | 2009-12-03 | Wabco Gmbh | Vorrichtung zum Betreiben eines Hilfsaggregates eines Fahrzeuges, insbesondere Nutzfahrzeuges |
US8985969B2 (en) | 2011-02-10 | 2015-03-24 | Mitsubishi Heavy Industries, Ltd. | Pump configuration |
CN102797705B (zh) * | 2012-01-19 | 2015-04-08 | 浙江百乐泵业有限公司 | 一种水陆通用的潜水泵 |
JP5915384B2 (ja) * | 2012-05-30 | 2016-05-11 | 株式会社豊田自動織機 | 電動圧縮機 |
JP2013249741A (ja) * | 2012-05-30 | 2013-12-12 | Toyota Industries Corp | 電動圧縮機 |
WO2014011054A1 (en) * | 2012-07-09 | 2014-01-16 | Jets As | Liquid ring screw pump end cover |
JP5686827B2 (ja) | 2013-01-23 | 2015-03-18 | 株式会社鷺宮製作所 | 遠心ポンプ |
EP3032706B1 (de) * | 2014-12-11 | 2020-02-19 | Johnson Electric International AG | Pumpe und reinigungsvorrichtung |
JP5979799B2 (ja) * | 2015-01-20 | 2016-08-31 | 株式会社鷺宮製作所 | 遠心ポンプ |
CN105570144B (zh) * | 2015-12-17 | 2018-03-23 | 广东威灵电机制造有限公司 | 离心泵和用于离心泵的导流件 |
GB2553323A (en) * | 2016-09-01 | 2018-03-07 | Edwards Ltd | Pump assemblies with sealing |
EP3425203B1 (de) * | 2017-07-04 | 2022-12-28 | Sulzer Management AG | Pumpengehäuse für eine kreiselpumpe sowie kreiselpumpe |
FR3078116B1 (fr) * | 2018-02-22 | 2021-09-10 | Ksb Sas | Pompe a doigt |
US20220307517A1 (en) * | 2021-03-24 | 2022-09-29 | Farmchem Corp | Self-priming transfer pump with quick pump attachment/detachment |
WO2023234927A1 (en) * | 2022-05-31 | 2023-12-07 | Itt Goulds Pumps, Inc. | Pump casing |
DE102023200394A1 (de) | 2023-01-19 | 2024-07-25 | Robert Bosch Gesellschaft mit beschränkter Haftung | Kühlkreislaufvorrichtung, vorintegriertes Thermomanagement-Modul, Antrieb und Verfahren zu einer Montage der Kühlkreislaufvorrichtung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3282221A (en) * | 1964-10-12 | 1966-11-01 | Allis Chalmers Mfg Co | End sealing arrangement for split casing pump |
DE1959087A1 (de) * | 1969-11-25 | 1971-05-27 | Hanning Elektro Werke | Gehaeuse fuer Motorpumpen |
US5375971A (en) * | 1993-10-04 | 1994-12-27 | Ford Motor Company | Automotive fuel pump flow channel design |
DE19718027A1 (de) * | 1997-04-29 | 1998-11-05 | Miele & Cie | Synchronpumpe, insbesondere Laugenpumpe für Waschmaschinen und Geschirrspülmaschinen |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2185129A5 (de) * | 1972-05-18 | 1973-12-28 | Saunier Duval | |
US4198191A (en) * | 1978-04-07 | 1980-04-15 | General Electric Company | Vaporization cooled dielectric fluid pump |
JPS56141022A (en) * | 1980-04-07 | 1981-11-04 | Toyota Motor Corp | Fixing mechanism for hermetically fitting of composing member in turbocharger |
DE3105428C2 (de) * | 1981-02-14 | 1986-10-16 | Grundfos A/S, Bjerringbro | Naßläufermotor für eine Pumpe |
US4546300A (en) * | 1983-03-17 | 1985-10-08 | A. O. Smith Corporation | Electric power supply connection for submersible capacitor-start motor apparatus |
GB2204917B (en) * | 1987-05-19 | 1992-01-08 | Apv Uk | Centrifugal pump |
-
2002
- 2002-02-05 DE DE10204459A patent/DE10204459A1/de not_active Ceased
- 2002-10-14 WO PCT/DE2002/003878 patent/WO2003067094A1/de active Application Filing
- 2002-10-14 KR KR10-2004-7011940A patent/KR20040077930A/ko not_active Application Discontinuation
- 2002-10-14 JP JP2003566417A patent/JP4317028B2/ja not_active Expired - Fee Related
- 2002-10-14 EP EP02781135A patent/EP1474611B1/de not_active Expired - Lifetime
- 2002-10-14 US US10/469,745 patent/US7137794B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3282221A (en) * | 1964-10-12 | 1966-11-01 | Allis Chalmers Mfg Co | End sealing arrangement for split casing pump |
DE1959087A1 (de) * | 1969-11-25 | 1971-05-27 | Hanning Elektro Werke | Gehaeuse fuer Motorpumpen |
US5375971A (en) * | 1993-10-04 | 1994-12-27 | Ford Motor Company | Automotive fuel pump flow channel design |
DE19718027A1 (de) * | 1997-04-29 | 1998-11-05 | Miele & Cie | Synchronpumpe, insbesondere Laugenpumpe für Waschmaschinen und Geschirrspülmaschinen |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008125488A3 (de) * | 2007-04-12 | 2008-12-18 | Bsh Bosch Siemens Hausgeraete | Pumpe mit heizeinrichtung |
EP2377452A1 (de) * | 2007-04-12 | 2011-10-19 | BSH Bosch und Siemens Hausgeräte GmbH | Pumpe mit Heizeinrichtung |
EP2377451A1 (de) * | 2007-04-12 | 2011-10-19 | BSH Bosch und Siemens Hausgeräte GmbH | Pumpe mit Heizeinrichtung |
EP2384684A1 (de) * | 2007-04-12 | 2011-11-09 | BSH Bosch und Siemens Hausgeräte GmbH | Pumpe mit Heizeinrichtung |
EP2384685A1 (de) * | 2007-04-12 | 2011-11-09 | BSH Bosch und Siemens Hausgeräte GmbH | Pumpe mit Heizeinrichtung |
Also Published As
Publication number | Publication date |
---|---|
JP2005517126A (ja) | 2005-06-09 |
DE10204459A1 (de) | 2003-08-07 |
KR20040077930A (ko) | 2004-09-07 |
JP4317028B2 (ja) | 2009-08-19 |
EP1474611A1 (de) | 2004-11-10 |
US20040071573A1 (en) | 2004-04-15 |
US7137794B2 (en) | 2006-11-21 |
EP1474611B1 (de) | 2011-06-08 |
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