DE102011005476A1 - Adjustable coolant pump for cooling circuit of internal combustion engine, has impeller which protrudes into suction chamber blades which is curved in three dimensions, and guide rotatable about rotation axis in relative to impeller - Google Patents
Adjustable coolant pump for cooling circuit of internal combustion engine, has impeller which protrudes into suction chamber blades which is curved in three dimensions, and guide rotatable about rotation axis in relative to impeller Download PDFInfo
- Publication number
- DE102011005476A1 DE102011005476A1 DE201110005476 DE102011005476A DE102011005476A1 DE 102011005476 A1 DE102011005476 A1 DE 102011005476A1 DE 201110005476 DE201110005476 DE 201110005476 DE 102011005476 A DE102011005476 A DE 102011005476A DE 102011005476 A1 DE102011005476 A1 DE 102011005476A1
- Authority
- DE
- Germany
- Prior art keywords
- coolant pump
- push rod
- pump according
- impeller
- blades
- 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- Withdrawn
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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
Abstract
Description
Die Erfindung betrifft eine regelbare Kühlmittelpumpe für einen Kühlkreislauf einer Brennkraftmaschine mit einem um eine Drehachse drehbar gelagerten Schaufelrad, welches in einen Saugraum hineinragende Schaufeln aufweist und mit einem Deckelteil und einer angetriebenen Hohlwelle verbunden ist, wobei in der Hohlwelle eine Schubstange axial verschiebbar geführt ist, und mit einem zwischen dem Deckelteil und dem Schaufelrad angeordneten Leitkörper, der mit der Schubstange verbunden und mittels dieser zur Regelung des Kühlmittel-Volumenstroms axial verschiebbar ist.The invention relates to a controllable coolant pump for a cooling circuit of an internal combustion engine with a rotatably mounted about a rotational axis paddle wheel which has projecting into a suction chamber blades and is connected to a cover part and a driven hollow shaft, wherein in the hollow shaft, a push rod is guided axially displaceable, and with a guide body arranged between the cover part and the paddle wheel, which is connected to the push rod and by means of which it is axially displaceable for controlling the coolant volume flow.
Aus der
Es ist bekannt, dass hinsichtlich Wirkungsgrad, Stabilität der Pumpenkennlinie und Kavitationsneigung strömungsphysikalisch eine dreidimensionale Schaufelform optimal ist. Dreidimensional gekrümmte Schaufeln lassen jedoch eine Regelbarkeit über einen axial verschiebbaren Leitkörper aufgrund geometrischer Unverträglichkeit bisher nicht zu.It is known that with regard to efficiency, stability of the pump characteristic and cavitation tendency, a three-dimensional blade shape is optimal in terms of flow physics. However, three-dimensionally curved blades do not allow controllability via an axially displaceable guide body due to geometric incompatibility.
Aufgabe der Erfindung ist es, eine regelbare Kühlmittelpumpe zu schaffen, welche die Vorzüge einer Beschaufelung in dreidimensional gekrümmter Bauweise für eine regelbare Kühlmittelpumpe zugänglich macht.The object of the invention is to provide a controllable coolant pump, which makes the advantages of a blading in three-dimensionally curved design accessible for a controllable coolant pump.
Zur Lösung der Aufgabe wird erfindungsgemäß eine regelbare Kühlmittelpumpe mit den Merkmalen des Anspruchs 1 vorgeschlagen.To achieve the object, a controllable coolant pump according to the invention with the features of
Die Erfindung kombiniert eine hinsichtlich Wirkungsgrad, Kennlinienstabilität und Kavitationsneigung optimale dreidimensionale Beschaufelung mit der Möglichkeit einer Leitkörperverstellung. Erfindungsgemäß erreicht wird dies durch gleichzeitige relative Verdrehung des Leitkörpers gegenüber dem Schaufelrad bei einer axialen linearen Verschiebung des Leitkörpers, so dass dieser der Kontur der Beschaufelung folgen kann.The invention combines an optimal three-dimensional blading with respect to efficiency, characteristic stability and Kavitationsneigung with the possibility of Leitkörperverstellung. This is achieved according to the invention by simultaneous relative rotation of the guide body relative to the blade wheel during an axial linear displacement of the guide body, so that it can follow the contour of the blading.
Vorteilhafterweise kann die Relativverdrehung des Leitkörpers gegenüber dem Schaufelrad bei geeigneter Ausführung der Schaufeln allein durch deren Kontur geführt bewirkt werden, womit eine zusätzliche Verstelleinrichtung hinfällig wird und eine besonders einfache und kostengünstige Bauart der Kühlmittelpumpe erzielt wird.Advantageously, the relative rotation of the guide body relative to the paddle wheel can be effected with a suitable design of the blades solely by their contour, whereby an additional adjustment is obsolete and a particularly simple and inexpensive design of the coolant pump is achieved.
Gemäß einer alternativen bevorzugten Bauform kann mittels einer auf die Schubstange wirkenden Verdreheinrichtung eine aktive Relativverdrehung des Leitkörpers gegenüber dem Schaufelrad realisiert werden kann, die Führung des Leitblechs durch die Schaufeln entfällt hierdurch. Dies verhindert Verschleiß und Abrieb an den SchaufelnAccording to an alternative preferred design, an active relative rotation of the guide body relative to the blade wheel can be realized by means of a twisting device acting on the push rod, thereby eliminating the leadership of the baffle by the blades. This prevents wear and abrasion on the blades
Nachfolgend wird die Erfindung anhand eines bevorzugten Ausführungsbeispiels unter Bezugnahme auf die beigefügten Figuren näher erläutert. In den Figuren sind im Einzelnen zu erkennen:The invention will be explained in more detail below with reference to a preferred embodiment with reference to the accompanying figures. The figures show in detail:
In
Um dabei den Volumenstrom der Kühlmittelpumpe regulieren zu können, ist zwischen dem Schaufelrad
Zwischen der Schubstange
Das Führungselement
Wie zuvor beschrieben wurde, wird mittels der Verdreheinrichtung
Es sind aber auch Ausführungsformen ohne Verdreheinrichtung
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Schaufelradpaddle wheel
- 22
- Leitkörperconducting body
- 33
- Deckelteilcover part
- 44
- Hohlwellehollow shaft
- 55
- RückstellfederReturn spring
- 66
- Dichtungpoetry
- 77
- BuchseRifle
- 88th
- Führungselementguide element
- 99
- Schubstangepushrod
- 1010
- Federfeather
- 1111
- Sicherungsringcirclip
- 1212
- Schaufelshovel
- 1313
- Führungsnutguide
- 1515
- Saugraumsuction
- 1616
- KühlmittelpumpeCoolant pump
- 1717
- Verdreheinrichtungtwister
- 1919
- Aussparungrecess
- 2020
- Ausnehmungrecess
- 2121
- Auskragungprojection
- 2525
- Passbohrungfitting bore
- RR
- Drehachseaxis of rotation
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 102008046424 A1 [0002] DE 102008046424 A1 [0002]
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110005476 DE102011005476A1 (en) | 2011-03-14 | 2011-03-14 | Adjustable coolant pump for cooling circuit of internal combustion engine, has impeller which protrudes into suction chamber blades which is curved in three dimensions, and guide rotatable about rotation axis in relative to impeller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110005476 DE102011005476A1 (en) | 2011-03-14 | 2011-03-14 | Adjustable coolant pump for cooling circuit of internal combustion engine, has impeller which protrudes into suction chamber blades which is curved in three dimensions, and guide rotatable about rotation axis in relative to impeller |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102011005476A1 true DE102011005476A1 (en) | 2012-09-20 |
Family
ID=46756602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE201110005476 Withdrawn DE102011005476A1 (en) | 2011-03-14 | 2011-03-14 | Adjustable coolant pump for cooling circuit of internal combustion engine, has impeller which protrudes into suction chamber blades which is curved in three dimensions, and guide rotatable about rotation axis in relative to impeller |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102011005476A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013015947B3 (en) * | 2013-09-25 | 2014-05-22 | Geräte- und Pumpenbau GmbH | Controllable coolant pump for use in cooling circuit of combustion engine, has spring element generating radial bias force and binding torsional vibrations, and wings rigidly arranged on impeller that is arranged at pump shaft |
DE102013210691B3 (en) * | 2013-06-07 | 2014-07-17 | Schaeffler Technologies Gmbh & Co. Kg | Controllable coolant pump used for cooling system of internal combustion engine, has push rod which is supported sealingly and is arranged between housing cover and pump shaft, from which reservoir is formed between seal portions |
DE102014219565A1 (en) * | 2013-10-07 | 2015-04-09 | Schaeffler Technologies Gmbh & Co. Kg | Outer actuator for a runner cover of an adjustable water pump |
WO2016179619A1 (en) * | 2015-05-13 | 2016-11-17 | Bitter Engineering & Systemtechnik Gmbh | Centrifugal pump with sliding rotor |
DE102017216229A1 (en) * | 2017-09-13 | 2019-03-14 | Audi Ag | Fluid delivery device for a drive device of a motor vehicle |
DE102015225580B4 (en) | 2015-12-17 | 2019-05-09 | Volkswagen Aktiengesellschaft | Coolant pump for an internal combustion engine |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008046424A1 (en) | 2008-09-09 | 2010-03-11 | Schaeffler Kg | Adjustable coolant pump |
-
2011
- 2011-03-14 DE DE201110005476 patent/DE102011005476A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008046424A1 (en) | 2008-09-09 | 2010-03-11 | Schaeffler Kg | Adjustable coolant pump |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013210691B3 (en) * | 2013-06-07 | 2014-07-17 | Schaeffler Technologies Gmbh & Co. Kg | Controllable coolant pump used for cooling system of internal combustion engine, has push rod which is supported sealingly and is arranged between housing cover and pump shaft, from which reservoir is formed between seal portions |
DE102013015947B3 (en) * | 2013-09-25 | 2014-05-22 | Geräte- und Pumpenbau GmbH | Controllable coolant pump for use in cooling circuit of combustion engine, has spring element generating radial bias force and binding torsional vibrations, and wings rigidly arranged on impeller that is arranged at pump shaft |
DE102014219565A1 (en) * | 2013-10-07 | 2015-04-09 | Schaeffler Technologies Gmbh & Co. Kg | Outer actuator for a runner cover of an adjustable water pump |
DE102014219565B4 (en) * | 2013-10-07 | 2015-10-15 | Schaeffler Technologies AG & Co. KG | Outer actuator for a runner cover of an adjustable water pump |
WO2016179619A1 (en) * | 2015-05-13 | 2016-11-17 | Bitter Engineering & Systemtechnik Gmbh | Centrifugal pump with sliding rotor |
AT517163B1 (en) * | 2015-05-13 | 2019-08-15 | Bitter Eng & Systemtechnik Gmbh | ROTARY PUMP |
DE102015225580B4 (en) | 2015-12-17 | 2019-05-09 | Volkswagen Aktiengesellschaft | Coolant pump for an internal combustion engine |
DE102017216229A1 (en) * | 2017-09-13 | 2019-03-14 | Audi Ag | Fluid delivery device for a drive device of a motor vehicle |
DE102017216229B4 (en) | 2017-09-13 | 2023-11-02 | Audi Ag | Fluid delivery device for a drive device of a motor vehicle |
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Legal Events
Date | Code | Title | Description |
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R081 | Change of applicant/patentee |
Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20120518 Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES AG & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20140217 Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES AG & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20140217 Owner name: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20120518 |
|
R081 | Change of applicant/patentee |
Owner name: SCHAEFFLER TECHNOLOGIES AG & CO. KG, DE Free format text: FORMER OWNER: SCHAEFFLER TECHNOLOGIES GMBH & CO. KG, 91074 HERZOGENAURACH, DE Effective date: 20150407 |
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R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |