DE102013223765A1 - Electrically switchable hydraulic component - Google Patents
Electrically switchable hydraulic component Download PDFInfo
- Publication number
- DE102013223765A1 DE102013223765A1 DE102013223765.0A DE102013223765A DE102013223765A1 DE 102013223765 A1 DE102013223765 A1 DE 102013223765A1 DE 102013223765 A DE102013223765 A DE 102013223765A DE 102013223765 A1 DE102013223765 A1 DE 102013223765A1
- Authority
- DE
- Germany
- Prior art keywords
- hydraulic component
- component according
- electromagnet
- valve
- heating element
- 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- Withdrawn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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K49/00—Means in or on valves for heating or cooling
- F16K49/002—Electric heating means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1607—Armatures entering the winding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/10—Adding substances to exhaust gases the substance being heated, e.g. by heating tank or supply line of the added substance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Abstract
Es wird ein elektrisch schaltbares Hydraulikbauteil (1) für ein gefrierfähiges Fluid, mit einem mittels eines elektrischen Stroms schaltbaren Elektromagneten (10) zur mechanischen Betätigung eines Funktionselements (21, 25), vorgeschlagen, wobei der Elektromagnet (10) mit einem elektrischen Heizelement (27) derart verschaltet ist, daß bei Bestromung des Elektromagneten auch das elektrische Heizelement mit elektrischem Strom beaufschlagt wird.The invention relates to an electrically switchable hydraulic component (1) for a freezable fluid, with an electromagnet (10) which can be switched by means of an electrical current for the mechanical actuation of a functional element (21, 25), the electromagnet (10) being provided with an electrical heating element (27 ) Is connected in such a way that when energizing the electromagnet and the electric heating element is supplied with electric current.
Description
Stand der TechnikState of the art
Die Erfindung geht aus von einem elektrisch schaltbaren Hydraulikbauteil nach der Gattung des unabhängigen Anspruchs. The invention is based on an electrically switchable hydraulic component according to the preamble of the independent claim.
Es ist bekannt, bei selbstzündenden Brennkraftmaschinen eine wässrige Harnstofflösung in den Abgastrakt einzuspritzen, um beim Verbrennungvorgang in der Brennkraftmaschine entstehende Stickoxide nachmotorisch zu reduzieren. Hierzu werden ein Dosiermodul sowie Fluidleitungen benötigt. Um deren Beschädigung bei Unterschreitung des Gefrierpunktes der wässrigen Harnstofflösung zu vermeiden, kann beispielsweise nach Abstellen des Fahrzeugs die wässrige Harnstofflösung aus den betroffenen Komponenten beispielsweise mittels einer separaten Rücksaugpume zurückgesaugt werden, so dass sich bei tiefen Umgebungstemperaturen kein Eisdruck in den Komponenten aufbauen kann. Dem Vereisungsproblem kann alternativ oder zusätzlich durch Heizungsmaßnahmen begegnet werden.It is known to inject an aqueous urea solution into the exhaust gas tract in the case of self-igniting internal combustion engines, in order to subsequently reduce the nitrogen oxides formed during the combustion process in the internal combustion engine. For this purpose, a metering module and fluid lines are needed. In order to avoid their damage when falling below the freezing point of the aqueous urea solution, for example, after stopping the vehicle, the aqueous urea solution from the affected components, for example, by means of a separate Rücksaugpume be sucked back, so that can build up at low ambient temperatures no ice pressure in the components. The icing problem can alternatively or additionally be countered by heating measures.
Aus der
Die Bestromung einer Spule mit dem Ziel der reinen Wärmeerzeugung ist allerdings nicht immer im gewünschten Ausmaß möglich, da bei einem zu hohem Strom das betreffende mechanische Schaltelement, also bei einem Ventil insbesondere die Ventilnadel oder bei einer Pumpe der Pumpenkolben, schalten würde. Diesem unbeabsichtigten Schalten kann bei einem Ventil beispielsweise zwar durch höhere Federkräfte entgegengewirkt werden, was jedoch wiederum für den Fall des beabsichtigten Schaltens eine deutlich höhere Magnetkraft erfordern würde. Eine elektrische Heizung wiederum mit einem getrennten, separat ansteuerbaren Stromkreis ist aufwendig.The energization of a coil with the goal of pure heat generation, however, is not always possible to the desired extent, since at too high a current, the relevant mechanical switching element, ie at a valve in particular the valve needle or a pump of the pump piston, would switch. Although this inadvertent switching can be counteracted by higher spring forces, for example, which in turn would require a significantly higher magnetic force in the case of the intended switching. An electric heater in turn with a separate, separately controllable circuit is expensive.
Offenbarung der ErfindungDisclosure of the invention
Das erfindungsgemäße elektrisch schaltbare Hydraulikbauteil mit den kennzeichnenden Merkmalen des unabhängigen Anspruchs hat demgegenüber den Vorteil, daß kein getrenntes Ansteuern der Heizungsfunktion über einen separaten Stromkreis beziehungsweise separaten Steckanschluss notwendig ist. Dies ist insbesondere bei einer Rücksaugpumpe als elektrisch schaltbarem Hydraulikbauteil in äußerst vorteilhafter Weise einsetzbar, weil zwar die Heizung auch während des mechanischen Schaltbetriebs mit Energie versorgt wird, was aber aufgrund des nur kurzzeitigen Rücksaugbetriebs nach Ausschalten des Fahrzeugs unproblematisch ist.The electrically switchable hydraulic component according to the invention with the characterizing features of the independent claim has the advantage that no separate control of the heating function via a separate circuit or separate plug connection is necessary. This can be used in an extremely advantageous manner, particularly in the case of a return pump as an electrically switchable hydraulic component, because although the heater is also supplied with energy during the mechanical switching operation, this is unproblematic due to the short-term return suction operation after switching off the vehicle.
Darüber hinaus kann die Heizung gezielt an den notwendigen Stellen nahe der eigentlichen Hydraulik angebracht werden, wo tatsächlich geheizt werden soll. Die Heizung kann geometrisch so angeordnet werden, daß sie außerhalb des die Betätigungskraft für das Schalt- bzw. Funktionselement aufbringenden Magnetkreises liegt, so daß der Stromdurchfluss durch die elektrische Heizung keinen Einfluss auf die Magnetkraft hat.In addition, the heater can be selectively attached to the necessary locations near the actual hydraulic, where actually should be heated. The heater can be geometrically arranged so that it is outside the magnetic circuit applying the operating force for the switching or functional element, so that the current flow through the electric heater has no influence on the magnetic force.
Als weiterer Vorteil ist in diesem Zusammenhang anzusehen, daß der Magnetkreis damit unabhängig von den Heizanforderungen optimiert werden kann. Im Vergleich zu einer Anordnung, bei der die Magnetspule auch zum Heizen verwendet wird, kann bei einem Ventil als elektrisch schaltbarem Hydraulikbauteil die Federkraft einer Rückstellfeder reduziert werden.Another advantage in this context is that the magnetic circuit can thus be optimized independently of the heating requirements. Compared to an arrangement in which the solenoid coil is also used for heating, in a valve as an electrically switchable hydraulic component, the spring force of a return spring can be reduced.
Durch die in den abhängigen Ansprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen des im unabhängigen Anspruch angegebenen Hydraulikbauteils möglich. The measures listed in the dependent claims advantageous refinements and improvements of the independent claim specified hydraulic component are possible.
In vorteilhafter Weise können insbesondere etwaig noch mit wässriger Harnstofflösung befüllte, an einer Abgasleitung einer Brennkraftmaschine angeordnete Einspritzventile zügig aufgetaut werden, sofern nach dem Auftauen ein parallel zum Ventilbetrieb stattfindendes, länger andauerndes Beheizen akzeptabel ist.In an advantageous manner, injectors which are in any case filled with aqueous urea solution and located on an exhaust line of an internal combustion engine can in particular be thawed quickly, provided after thawing a prolonged heating which is parallel to the valve operation is acceptable.
Kurze Beschreibung der ZeichnungenBrief description of the drawings
Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert. Embodiments of the invention are illustrated in the drawings and explained in more detail in the following description.
In
Ausführungsformen der ErfindungEmbodiments of the invention
Die
Die Verwendung eines Tauchankers an sich, der über einen elektrisch ansteuerbaren Magneten bewegt werden kann, um eine Ventilnadel von ihrem Ventilsitz abzuheben, ist bekannt. In der Anordnung gemäß
Alternativ kann die elektrische Heizung
Wesentlich ist, dass die Funktionen der Magnetkrafterzeugung und der Heizung mit einem einzigen Stromkreis dargestellt werden, wobei der Anteil der Heizung so entkoppelt ist, dass er keinen Einfluss auf das magnetische Verhalten hat, d.h. trotz ausreichender Heizleistung das mechanische Schaltelement, d.h. im Fall des dargestellten Ventils der Tauchanker, nicht bewegt wird.It is essential that the functions of the magnetic force generation and the heating are represented with a single circuit, wherein the proportion of the heating is decoupled so that it has no influence on the magnetic behavior, i. despite sufficient heating power, the mechanical switching element, i. in the case of the illustrated valve, the plunger, is not moved.
Das Ventilelement mit Ventilnadel und Ventilsitz steht hier exemplarisch für ein beliebiges Funktionselement bzw. mechanisches Schaltelement, in Abhängigkeit vom betrachteten elektrisch schaltbaren Hydraulikbauteil, also auch für ein entsprechendes Element beispielsweise einer Hubkolbenpumpe.The valve element with valve needle and valve seat is exemplified here for any functional element or mechanical switching element, depending on the considered electrically switchable hydraulic component, that is also for a corresponding element, for example a reciprocating piston pump.
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 102009029409 [0003] DE 102009029409 [0003]
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE102013223765.0A DE102013223765A1 (en) | 2013-11-21 | 2013-11-21 | Electrically switchable hydraulic component |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE102013223765.0A DE102013223765A1 (en) | 2013-11-21 | 2013-11-21 | Electrically switchable hydraulic component |
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DE102013223765A1 true DE102013223765A1 (en) | 2015-05-21 |
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DE102013223765.0A Withdrawn DE102013223765A1 (en) | 2013-11-21 | 2013-11-21 | Electrically switchable hydraulic component |
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DE (1) | DE102013223765A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106286949A (en) * | 2016-08-24 | 2017-01-04 | 常熟骏驰科技有限公司 | A kind of electromagnetic valve controlling engine oil pressure |
JP2020187841A (en) * | 2019-05-10 | 2020-11-19 | 本田技研工業株式会社 | valve |
CN113169658A (en) * | 2018-08-21 | 2021-07-23 | 劳斯莱斯德国有限两合公司 | Rotor with superconducting windings for operation in continuous current mode |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009029409A1 (en) | 2009-09-14 | 2011-03-17 | Robert Bosch Gmbh | Method for heating a metering valve in an SCR system for exhaust aftertreatment of an internal combustion engine |
-
2013
- 2013-11-21 DE DE102013223765.0A patent/DE102013223765A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009029409A1 (en) | 2009-09-14 | 2011-03-17 | Robert Bosch Gmbh | Method for heating a metering valve in an SCR system for exhaust aftertreatment of an internal combustion engine |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106286949A (en) * | 2016-08-24 | 2017-01-04 | 常熟骏驰科技有限公司 | A kind of electromagnetic valve controlling engine oil pressure |
CN106286949B (en) * | 2016-08-24 | 2017-11-10 | 常熟骏驰科技有限公司 | A kind of magnetic valve for controlling engine oil pressure |
CN113169658A (en) * | 2018-08-21 | 2021-07-23 | 劳斯莱斯德国有限两合公司 | Rotor with superconducting windings for operation in continuous current mode |
JP2020187841A (en) * | 2019-05-10 | 2020-11-19 | 本田技研工業株式会社 | valve |
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R005 | Application deemed withdrawn due to failure to request examination |