EP2324247A1 - Regelbare kühlmittelpumpe - Google Patents
Regelbare kühlmittelpumpeInfo
- Publication number
- EP2324247A1 EP2324247A1 EP09781670A EP09781670A EP2324247A1 EP 2324247 A1 EP2324247 A1 EP 2324247A1 EP 09781670 A EP09781670 A EP 09781670A EP 09781670 A EP09781670 A EP 09781670A EP 2324247 A1 EP2324247 A1 EP 2324247A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- impeller
- coolant pump
- pump according
- pump housing
- controllable coolant
- 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.)
- Withdrawn
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
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0027—Varying behaviour or the very pump
- F04D15/0038—Varying behaviour or the very pump by varying the effective cross-sectional area of flow through the rotor
-
- 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
- F05D2270/00—Control
- F05D2270/60—Control system actuates means
- F05D2270/62—Electrical actuators
Definitions
- the invention relates to a controllable coolant pump for a cooling circuit of an internal combustion engine with a pump housing, in which a driven via a pulley hollow shaft is mounted, at one end of an impeller is mounted, which has projecting into a suction chamber wings and axial webs with a cover plate is firmly connected, wherein by the rotation of the impeller together with the cover plate water via a suction nozzle of the pump housing in the suction chamber and sucked over the wings in an annular channel of the pump housing is conveyed.
- cooling water is pumped by means of a coolant pump in a closed circuit through cooling channels in the region of the cylinder for cooling the internal combustion engine and then transported to an air-water cooler, where the heated water is cooled down again by means of the airstream.
- the necessary for circulating the water pump is usually connected via a belt with a pulley of the crankshaft of the internal combustion engine.
- a controllable coolant pump in which on a hollow shaft mounted in a pump housing, a rotor wheel and a cover plate for the transport of suctioned via a pressure port water are provided in an annular channel of the pump housing. Furthermore, a slider element is placed behind the impeller on the hollow shaft, which is displaceable via an electromagnet and against a spring in the direction of the impeller. The slide element has in its outer region on the impeller across cross, axially extending projections, which is closed with a displacement of the slider element in the direction of the impeller of the annular channel of the pump housing and thus a cooling water delivery of the coolant pump is omitted.
- a disadvantage of such an arrangement is that the regulation of the coolant flow by means of the slide element has a complicated mechanism and consequently a complicated structure. Furthermore, due to the orientation of the projections of the slide element, strong swirls are generated in the region of the annular channel of the pump housing in the case of a partially opened pump. It is therefore the object of the present invention to provide a controllable coolant pump for a cooling circuit of an internal combustion engine, which has a simple construction and even with partial delivery only has a negligible tendency to form turbulence.
- the invention comprises the technical teaching that between the impeller and the cover plate a guide disc is arranged with a contour corresponding to the impeller, which is guided over the impeller and the cover plate connecting axial webs and axially displaceable by means of a, placed within the hollow shaft piston via an actuating unit.
- a guide disc between the impeller and cover plate, and their axial displacement via a piston guided in the hollow shaft, the structure of the coolant pump according to the invention is kept simple. Furthermore, the formation of vortices is reduced due to the contour of the guide disk corresponding to the impeller.
- the guide disk has at its outer edge over a projection oriented in the direction of the impeller, with which it covers the annular channel of the pump housing as a function of the position between impeller and cover disk.
- the setting unit is designed in the manner of an armature fixedly connected to the piston, which adjusts via a proportional magnet is selectively axially displaceable.
- the adjusting unit is designed in the manner of a spindle in contact with the spindle, which is axially displaceable by means of an electric motor.
- Such a design of the adjusting unit has the advantage that an axial displacement of the guide disc is possible even with larger forces and thus, under certain circumstances, other contours of the impeller and the guide plate are possible.
- the guide disc is biased via the piston by means of a return spring against the impeller. Consequently, the pump is held in an open position in the case of non-actuation of the actuator, which guarantees a cooling water circulation in the event of failure of the actuator.
- the hollow shaft is supported via a double-row ball bearing. As a result, a reliable and reliable storage of the hollow shaft is achieved.
- the pulley and the setting unit are placed in a chamber opposite the suction nozzle, which can be closed by a metal sheet.
- the sheet carries the actuator. This can be apart from an additional attachment of the actuator in the pump housing. Further measures improving the invention will be described in more detail below together with the description of a preferred embodiment of the invention with reference to FIGS.
- FIG. 1 a shows a sectional view of the controllable coolant pump according to the invention with full delivery throughput
- Figure 1 b is a sectional view of the invention, controllable coolant pump at zero flow.
- FIG. 1 a shows a sectional view of the coolant pump according to the invention, which has a hollow shaft 2 mounted in a pump housing 1.
- This hollow shaft 2 is rotatably mounted in a bore of the pump housing 1 via a double-row ball bearing 3 and carries at one end an impeller 4, while it is firmly connected at its other end with a pulley 5.
- the hollow shaft 2 is driven by a belt drive, not shown here of the internal combustion engine.
- the impeller 4 has wings 6, which extend axially into a suction chamber 7 of the coolant pump. Furthermore, the impeller 4 is connected via axial webs 8 with a cover plate 9 in connection.
- a guide plate 12 is provided between the impeller 4 and cover plate 9, which has a contour corresponding to the impeller 4 and is guided displaceably via the axial webs 8.
- This guide disk 12 further has on its outer edge a projection 13 with which it covers the annular channel 11 of the pump housing 1, depending on the position between the impeller 4 and the cover disk 9. In this case, this projection 13 is oriented in the direction of the impeller 4. Furthermore, the guide disk 12 is firmly connected at the middle of its inner side with a piston 14, which is displaceably guided in the hollow shaft 2. At the end of the piston 14 opposite the guide disk 12, the latter is also in contact with an armature 15, which is placed with a thickened end inside a proportional magnet 16. In this case, the armature 15 is displaced in the direction of the suction chamber 7 of the coolant pump by an actuation of the proportional magnet 16, which leads to a targeted axial displacement of the guide disk 12 by the contact with the piston 14.
- the pump housing 1 has a chamber 18, in which the pulley 5 and the proportional magnet 16 are placed, and which other components are mounted in order to facilitate the assembly of the pulley 5 and the proportional magnet 16 on a side opposite the suction chamber 7. closing is closed by a plate 19.
- the plate 19 simultaneously carries the proportional magnet 16 and carries anchor 15th
- the present invention is not limited to the embodiment described above. Rather, other variants for the axial displacement of the piston 14 together with guide plate 12 are conceivable, such as a pressure cell, hydraulic or pneumatic proportional valves, electric motors with spindle drive, etc.
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 |
---|---|---|---|
DE102008046424A DE102008046424A1 (de) | 2008-09-09 | 2008-09-09 | Regelbare Kühlmittelpumpe |
PCT/EP2009/060340 WO2010028921A1 (de) | 2008-09-09 | 2009-08-10 | Regelbare kühlmittelpumpe |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2324247A1 true EP2324247A1 (de) | 2011-05-25 |
Family
ID=41137776
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09781670A Withdrawn EP2324247A1 (de) | 2008-09-09 | 2009-08-10 | Regelbare kühlmittelpumpe |
Country Status (5)
Country | Link |
---|---|
US (1) | US8608452B2 (de) |
EP (1) | EP2324247A1 (de) |
CN (1) | CN102149923B (de) |
DE (1) | DE102008046424A1 (de) |
WO (1) | WO2010028921A1 (de) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010044694A1 (de) * | 2010-09-08 | 2012-03-08 | Mahle International Gmbh | Pumpe |
DE102010050605B4 (de) * | 2010-11-05 | 2014-06-05 | Schaeffler Technologies Gmbh & Co. Kg | Vorrichtung zur Regelung eines Kühlmittelstroms sowie Kühlsystem |
DE102010063265A1 (de) * | 2010-12-16 | 2012-06-21 | Mahle International Gmbh | Ladeluftkühler |
DE102010061364A1 (de) * | 2010-12-20 | 2012-06-21 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Regelbare Kühlmittelpumpe für einen Kühlkreislauf einer Verbrennungskraftmaschine |
DE102011004172B3 (de) * | 2011-02-15 | 2012-03-01 | Schwäbische Hüttenwerke Automotive GmbH | Kühlmittelpumpe mit verstellbarem Fördervolumen |
DE102011012827B3 (de) * | 2011-03-02 | 2012-04-19 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Vorrichtung u. Verfahren zur definierten Längsverschiebung einer in einer Antriebswelle mitdrehenden Verstellvorrichtung |
DE102011001090A1 (de) * | 2011-03-04 | 2012-09-06 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Merbelsrod | Regelbares Kühlsystem für ein Kraftfahrzeug, Kühlmittelpumpe hierfür, in der Kühlmittelpumpe verwendbares Flügelrad sowie Verfahren zum Regeln eines Kühlmittelflusses in einem derartigen Kühlsystem |
DE102011005476A1 (de) | 2011-03-14 | 2012-09-20 | Schaeffler Technologies AG & Co. KG | Regelbare Kühlpumpe für einen Kühlkreislauf einer Brennkraftmaschine |
DE102011005473A1 (de) * | 2011-03-14 | 2012-09-20 | Schaeffler Technologies Gmbh & Co. Kg | Regelbare Kühlmittelpumpe |
DE102011101275B3 (de) * | 2011-05-12 | 2012-01-12 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | "Regelbare Kühlmittelpumpe" |
DE102011076719A1 (de) | 2011-05-30 | 2012-12-06 | Schaeffler Technologies AG & Co. KG | Regelbare Kühlmittelpumpe mit einem bauraumoptimierten Stellorgan |
DE102011077029A1 (de) * | 2011-06-07 | 2012-12-13 | Schaeffler Technologies AG & Co. KG | Stufenlos regelbare Kühlmittelpumpe |
DE102011077030A1 (de) * | 2011-06-07 | 2012-12-13 | Schaeffler Technologies AG & Co. KG | Regelbare Kühlmittelpumpe |
DE102011079310A1 (de) * | 2011-07-18 | 2013-01-24 | Schaeffler Technologies AG & Co. KG | Kühlmittelpumpe für einen Kühlmittelkreislauf einer Brennkraftmaschine |
DE102011079898A1 (de) * | 2011-07-27 | 2013-01-31 | Mahle International Gmbh | Pumpe |
WO2013034189A1 (en) * | 2011-09-08 | 2013-03-14 | Pierburg Pump Technology Gmbh | Switchable automotive coolant pump |
DE102011113040B3 (de) * | 2011-09-09 | 2012-04-26 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | "Regelbare Kühlmittelpumpe" |
DE102011083805A1 (de) * | 2011-09-30 | 2013-04-04 | Schaeffler Technologies AG & Co. KG | Regelbare Kühlmittelpumpe mit integriertem Druckraum |
DE102011084853A1 (de) * | 2011-10-20 | 2013-04-25 | Schaeffler Technologies AG & Co. KG | Regelbare Kühlmittelpumpe |
DE102011084854A1 (de) | 2011-10-20 | 2013-04-25 | Schaeffler Technologies AG & Co. KG | Regelbare Kühlmittelpumpe |
DE102011086163A1 (de) | 2011-11-11 | 2013-05-16 | Schaeffler Technologies AG & Co. KG | Vorgespannter Klemmring zur Positionierung eines Leitblechs einer regelbaren Kühlmittelpumpe |
DE102011086934A1 (de) | 2011-11-23 | 2013-05-23 | Schaeffler Technologies AG & Co. KG | Regelbare Kühlmittelpumpe mit einer elektro-hydraulischen Leitblechverstellung |
DE102011088674A1 (de) * | 2011-12-15 | 2013-06-20 | Schaeffler Technologies AG & Co. KG | Regelbare Kühlmittelpumpe mit einem fluidischen Aktuator |
DE102011088672A1 (de) | 2011-12-15 | 2013-06-20 | Schaeffler Technologies AG & Co. KG | Aktuatoranordnung zur Betätigung einer Kupplungsvorrichtung |
DE102012200752A1 (de) | 2012-01-19 | 2013-07-25 | Schaeffler Technologies AG & Co. KG | Flügelrad einer Kühlmittelpumpe |
DE102012208103A1 (de) * | 2012-05-15 | 2013-11-21 | Schaeffler Technologies AG & Co. KG | Aktuatorik für eine geregelte Kühlmittelpumpe |
DE102012213179A1 (de) | 2012-07-26 | 2014-01-30 | Schaeffler Technologies AG & Co. KG | Regelbare Kühlmittelpumpe mit einer elektro-hydraulischen Leitblechverstellung |
DE102012217029A1 (de) | 2012-09-21 | 2014-05-28 | Schaeffler Technologies Gmbh & Co. Kg | Regelbare Kühlmittelpumpe |
US20140334949A1 (en) | 2013-05-09 | 2014-11-13 | Schaeffler Technologies Gmbh & Co. Kg | Labyrinthine radial piston-hydraulic variable waterpump actuation system |
DE102013210691B3 (de) * | 2013-06-07 | 2014-07-17 | Schaeffler Technologies Gmbh & Co. Kg | Medientrennung in einer geregelten Kühlmittelpumpe |
WO2015070955A1 (de) * | 2013-11-16 | 2015-05-21 | Brose Fahrzeugteile Gmbh & Co Kommanditgesellschaft, Würzburg | Elektromotorische kühlmittelpumpe |
DE102014201606A1 (de) | 2014-01-30 | 2015-07-30 | Schaeffler Technologies AG & Co. KG | Betätigungsvorrichtung für eine schaltbare Kühlmittelpumpe |
DE102014201880B3 (de) | 2014-02-03 | 2014-12-18 | Schaeffler Technologies Gmbh & Co. Kg | Schmutzfänger als Funktionsmodul im Flügelrad einer Kühlmittelpumpe |
DE102014201877A1 (de) | 2014-02-03 | 2015-08-20 | Schaeffler Technologies AG & Co. KG | Filterelement für Leitblechöffnungen einer schaltbaren Kühlmittelpumpe |
DE102014009367B3 (de) * | 2014-06-21 | 2015-03-05 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Regelbare Kühlmittelpumpe |
CN104564302B (zh) * | 2015-01-29 | 2017-08-11 | 浙江吉利控股集团有限公司 | 汽车发动机 |
DE102015119092B4 (de) | 2015-11-06 | 2019-03-21 | Pierburg Gmbh | Verfahren zur Regelung einer mechanisch regelbaren Kühlmittelpumpe für eine Verbrennungskraftmaschine |
DE102015119095B4 (de) * | 2015-11-06 | 2019-03-21 | Pierburg Gmbh | Kühlmittelpumpe für eine Verbrennungskraftmaschine |
DE102017120191B3 (de) * | 2017-09-01 | 2018-12-06 | Nidec Gpm Gmbh | Regelbare Kühlmittelpumpe für Haupt- und Nebenförderkreislauf |
FR3071278B1 (fr) * | 2017-09-18 | 2020-02-21 | Sogefi Air & Cooling | Dispositif de pompe a debit variable et circuit comprenant une telle pompe |
US10662961B2 (en) * | 2017-11-02 | 2020-05-26 | International Business Machines Corporation | Pump with integrated bypass mechanism |
KR102474361B1 (ko) * | 2017-12-18 | 2022-12-05 | 현대자동차 주식회사 | 엔진 냉각시스템 |
KR102474359B1 (ko) * | 2017-12-18 | 2022-12-05 | 현대자동차 주식회사 | 냉각수 펌프유닛을 구비한 엔진 냉각시스템 |
KR102487184B1 (ko) * | 2017-12-18 | 2023-01-10 | 현대자동차 주식회사 | 차량용 냉각수 펌프 및 이를 포함한 냉각 시스템 |
KR20190072934A (ko) * | 2017-12-18 | 2019-06-26 | 현대자동차주식회사 | 차량용 워터 펌프 |
KR102451915B1 (ko) * | 2018-03-27 | 2022-10-06 | 현대자동차 주식회사 | 차량용 냉각수 펌프 및 이를 포함한 냉각 시스템 |
DE102018212570A1 (de) * | 2018-07-27 | 2020-01-30 | Robert Bosch Gmbh | Turbomaschine |
US11459958B2 (en) * | 2019-03-22 | 2022-10-04 | Pratt & Whitney Canada Corp. | Rotodynamic pump having a body defining a body cavity with a first and second housing portion defining a portion of an impeller cavity and disposed within the body cavity wherein the body cavity extends at least in part around the second housing portion and the housing portions defining an impeller clearance |
US11895951B2 (en) * | 2020-12-04 | 2024-02-13 | Deere & Company | Fan hub cover |
Family Cites Families (15)
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FR587131A (fr) | 1923-11-01 | 1925-04-11 | Perfectionnements aux dispositifs régulateurs pour roues à ailettes | |
US2756834A (en) * | 1951-01-16 | 1956-07-31 | Daimler Benz Ag | Power plant and driving mechanism for motor vehicle |
US3022450A (en) * | 1958-09-15 | 1962-02-20 | Bendix Corp | Dual position latching solenoid |
US3482523A (en) * | 1968-03-06 | 1969-12-09 | Crane Co | Centrifugal pump with flow control by pressure feedback |
DE2110776A1 (de) * | 1971-03-06 | 1972-09-07 | Gulde Regelarmaturen Kg | Stroemungs-Arbeitsmaschine mit regelbaren Laufradkanalquerschnitten |
US5169286A (en) * | 1989-03-09 | 1992-12-08 | Yutaka Yamada | Variable capacity centrifugal water pump with movable pressure chamber formed by impeller |
DE3927391A1 (de) * | 1989-08-19 | 1991-02-21 | Bosch Gmbh Robert | Vorrichtung zum beheizen des fahrgastraumes eines kraftfahrzeuges |
US5041748A (en) * | 1989-10-16 | 1991-08-20 | Sundstrand Corporation | Lightweight, direct drive electromechanical actuator |
DE9200240U1 (de) | 1992-01-11 | 1992-02-27 | Kultscher, Armin Henry, 3300 Braunschweig | Variable Strömungsmaschine |
CA2189379C (en) * | 1995-11-07 | 2002-01-01 | Thomas W. Ramsay | Pump impeller with adjustable blades |
US6040752A (en) * | 1997-04-22 | 2000-03-21 | Fisher; Jack E. | Fail-safe actuator with two permanent magnets |
US6074167A (en) * | 1999-02-05 | 2000-06-13 | Woodward Governor Company | Variable geometry centrifugal pump |
DE102005004315B4 (de) | 2005-01-31 | 2007-04-26 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Regelbare Kühlmittelpumpe |
US20070022979A1 (en) * | 2005-08-01 | 2007-02-01 | The Timken Company | Coolant pump for internal combustion engine |
GB0517583D0 (en) * | 2005-08-30 | 2005-10-05 | Flowork Systems Ii Llc | Sealing system for coolant pump having movable vanes |
-
2008
- 2008-09-09 DE DE102008046424A patent/DE102008046424A1/de not_active Withdrawn
-
2009
- 2009-08-10 US US13/063,046 patent/US8608452B2/en not_active Expired - Fee Related
- 2009-08-10 EP EP09781670A patent/EP2324247A1/de not_active Withdrawn
- 2009-08-10 CN CN200980135299.9A patent/CN102149923B/zh not_active Expired - Fee Related
- 2009-08-10 WO PCT/EP2009/060340 patent/WO2010028921A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2010028921A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2010028921A1 (de) | 2010-03-18 |
US8608452B2 (en) | 2013-12-17 |
US20110162597A1 (en) | 2011-07-07 |
CN102149923A (zh) | 2011-08-10 |
CN102149923B (zh) | 2015-11-25 |
DE102008046424A1 (de) | 2010-03-11 |
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Inventor name: SCHAEFER, SANDRA Inventor name: SCHAEFER, JENS Inventor name: GOLOVATAI-SCHMIDT, EDUARD Inventor name: NENDEL, ANDREAS Inventor name: DRAHEIM, ALEXANDER |
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Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG |
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Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG |
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