WO2011072761A1 - Exhaust-gas turbocharger having an adjustable sliding ring - Google Patents
Exhaust-gas turbocharger having an adjustable sliding ring Download PDFInfo
- Publication number
- WO2011072761A1 WO2011072761A1 PCT/EP2010/005686 EP2010005686W WO2011072761A1 WO 2011072761 A1 WO2011072761 A1 WO 2011072761A1 EP 2010005686 W EP2010005686 W EP 2010005686W WO 2011072761 A1 WO2011072761 A1 WO 2011072761A1
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- WIPO (PCT)
- Prior art keywords
- axis
- sliding
- sliding element
- adjusting device
- actuating element
- Prior art date
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- Ceased
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
- F01D17/143—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path the shiftable member being a wall, or part thereof of a radial diffuser
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
- F01D17/167—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes of vanes moving in translation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/24—Control of the pumps by using pumps or turbines with adjustable guide vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
- F02C6/10—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output supplying working fluid to a user, e.g. a chemical process, which returns working fluid to a turbine of the plant
- F02C6/12—Turbochargers, i.e. plants for augmenting mechanical power output of internal-combustion piston engines by increase of charge pressure
-
- 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
- F05D2220/00—Application
- F05D2220/40—Application in turbochargers
-
- 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
- F05D2250/00—Geometry
- F05D2250/70—Shape
-
- 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
- F05D2260/50—Kinematic linkage, i.e. transmission of position
-
- 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
Definitions
- the invention relates to an adjusting device for a charging device, in particular for an exhaust gas turbocharger, the specified in the preamble of claim 1.
- DE 103 28 167 A1 discloses a turbine housing for an exhaust-gas turbocharger whose double-flow, spiral inlet surrounds an impeller and which has a contoured sleeve which forms a lateral housing boundary of the impeller with a contour section with play and an outlet for exhaust gases extending coaxially to an axis of rotation of the impeller has, wherein radially between the contour sleeve and the second tide of
- an axial control slide is arranged, which closes the second flood in one position, in a second position, the second flood opens and opens in a third position, a bypass.
- the contour sleeve has at least one blow-off channel which connects the region of the second flow to the outlet downstream of the flow path
- Contour section connects and is controlled by the control slide.
- the control slide is actuated by an adjusting mechanism with an adjusting fork, which surrounds the control slide and is pivotally mounted on a pivot axis.
- an engagement point between the adjusting fork and the control slide also orthogonal to the translational displacement of the control slide, resulting in a tilting moment results, which adversely affects the displacement of
- Regulator affects, if no other precautions are taken.
- Charging direction in particular an exhaust gas turbocharger to provide, which has an improved operability.
- This object is achieved by an adjusting device for a charging device, in particular an exhaust gas turbocharger, having the features of patent claim 1.
- Advantageous embodiments with expedient and non-trivial developments of the invention are specified in the dependent claims.
- An adjusting device according to the invention for a charging device in particular an exhaust gas turbocharger, comprises a pivotable about a pivot axis
- V cos or x-.
- X denotes a coordinate of the engagement point of the engagement contour with the recording along the x-axis of the coordinate system
- y is the coordinate of the engagement point of the engagement contour with the recording along the y-axis of
- R denotes the orthogonal distance of the sliding axis to the pivot axis of the actuating element
- s denotes the displacement of the sliding element along the sliding axis
- a denotes the pivot angle of the actuating element, said pivot angle with the angle between the x-axis of the
- Coordinate system and a perpendicular to the sliding axis and extending through the origin of the coordinate system line correlated. So that means that Coordinate system is body-fixed with the actuator and its
- extending extension of the receptacle which is for example formed groove-shaped and is provided in a lateral surface of the example, at least substantially hohizylinderförmigen sliding element.
- the engagement contour according to the invention is advantageously provided on the flanks of the forks, via which the actuating element is in operative connection with the sliding element for implementation the pivoting movement of the actuating element in the translational movement, ie displacement, of the sliding element.
- the engagement contour according to the invention makes it possible that the engagement point between the actuating element and the sliding element described by said coordinates does not migrate orthogonally to the sliding axis but rather moves linearly, whereby the aforementioned tilting moment is avoided. This avoids a result of the tilting moment resulting tilting and possible jamming of the sliding element, which is associated with a simplified operation and with a reduction in the probability of failure of the entire adjusting device.
- the engagement contour according to the invention provides an engagement geometry which results from the abovementioned formulas which can be represented generally, as long as neither the front or left nor the rear or right engagement point of the receptacle is the shortest distance to the pivot axis of the rotational one Moves through the actuator, since the reversal point lies on the engagement geometry here.
- the engagement contour according to the invention is to be used in any application in which a rotational movement into a translational movement by engagement of an actuating element in a
- the engagement contour according to the invention is advantageous insofar as it is a product to be produced in large numbers, in which the advantages created by the engagement contour according to the invention emerge particularly positively.
- the actuating element is at least partially fork-shaped, wherein at least two prongs of the fork engage around the sliding element at least partially.
- Adjustment device is at the same time reducing or avoiding said tilting.
- Fig. 1 is a schematic representation for generating an engagement contour for the adjusting device according to the invention.
- Fig. 2 shows an embodiment of an engagement contour of the invention
- FIG. 1 shows geometric relationships for generating an engagement contour for an adjusting device for an exhaust-gas turbocharger, which comprises an actuating element pivotable about a pivot axis 10 and a sliding element displaceable along a sliding axis 12 by means of the actuating element.
- the actuating element and the sliding element over at least one, the
- Actuator associated and in a sliding element associated with the groove engaging engagement contour 14 (Fig. 2) with each other in operative connection, wherein a rotational movement according to a directional arrow 6 of the actuating element in a translational movement according to a directional arrow 18 along the slide axis 12 of the sliding element can be implemented.
- the actuating element for example by means of an actuator, pivoted about a pivot angle ⁇ .
- the engagement contour 14 shown in FIG. 2 results from the following
- x denotes the coordinate of the engagement point of the engagement contour 14 with the groove along the x-axis of a two-dimensional Cartesian coordinate system 20, whose origin lies on the pivot axis 10 and whose x-axis
- the swivel angle ⁇ denotes not only the swivel angle of the
- "b" denotes the parallel to the sliding axis 12 extending extension of the groove, so the groove width.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Supercharger (AREA)
Abstract
Description
ABGASTURBOLADER MIT VERSTELLBAREM GLEITRING ABGASTURBOLADER WITH ADJUSTABLE RING
Die Erfindung betrifft eine Versteileinrichtung für eine Aufladeeinrichtung, insbesondere für einen Abgasturbolader, der im Oberbegriff des Patentanspruchs 1 angegebenen Art. The invention relates to an adjusting device for a charging device, in particular for an exhaust gas turbocharger, the specified in the preamble of claim 1. Art.
Derartige Versteileinrichtungen sind aus dem Serienkraftwagenbau bekannt. Die Such adjusting devices are known from the production of standard cars. The
DE 103 28 167 A1 offenbart ein Turbinengehäuse für einen Abgasturbolader, dessen zweiflutiger, spiralförmiger Einlass ein Laufrad umgibt und das eine Konturhülse aufweist, die mit einem Konturabschnitt mit Spiel eine seitliche Gehäusebegrenzung des Laufrads bildet und einen koaxial zu einer Rotationsachse des Laufrads verlaufenden Auslass für Abgase besitzt, wobei radial zwischen der Konturhülse und der zweiten Flut des DE 103 28 167 A1 discloses a turbine housing for an exhaust-gas turbocharger whose double-flow, spiral inlet surrounds an impeller and which has a contoured sleeve which forms a lateral housing boundary of the impeller with a contour section with play and an outlet for exhaust gases extending coaxially to an axis of rotation of the impeller has, wherein radially between the contour sleeve and the second tide of
Einlasskanals ein axialer Regelschieber angeordnet ist, der in einer Stellung die zweite Flut schließt, in einer zweiten Stellung die zweite Flut öffnet und in einer dritten Stellung einen Bypass öffnet. Die Konturhülse weist dabei mindestens einen Abblasekanal auf, der den Bereich der zweiten Flut mit dem Auslass in Strömungsrichtung hinter dem Inlet passage an axial control slide is arranged, which closes the second flood in one position, in a second position, the second flood opens and opens in a third position, a bypass. In this case, the contour sleeve has at least one blow-off channel which connects the region of the second flow to the outlet downstream of the flow path
Konturabschnitt verbindet und vom Regelschieber gesteuert wird. Contour section connects and is controlled by the control slide.
Der Regelschieber wird von einem Verstellmechanismus mit einer Verstellgabel betätigt, die den Regelschieber umgreift und auf einer Schwenkachse schwenkbar gelagert ist. Bei einer Schwenkung der Verstellgabel zur Bewirkung einer translatorischen Verschiebung des Regelschiebers wandert ein Eingriffspunkt zwischen der Verstellgabel und dem Regelschieber auch orthogonal zur translatorischen Verschiebung des Regelschiebers, woraus ein Kippmoment resultiert, was sich negativ auf die Verschiebung des The control slide is actuated by an adjusting mechanism with an adjusting fork, which surrounds the control slide and is pivotally mounted on a pivot axis. During a pivoting of the adjusting fork to effect a translational displacement of the control slide an engagement point between the adjusting fork and the control slide also orthogonal to the translational displacement of the control slide, resulting in a tilting moment results, which adversely affects the displacement of
Regelschiebers auswirkt, falls keine anderweitigen- Vorkehrungen getroffen sind. Regulator affects, if no other precautions are taken.
Es ist daher Aufgabe der vorliegenden Erfindung, eine VerStelleinrichtung für eine It is therefore an object of the present invention, an adjusting device for a
Aufladerichtung, insbesondere einen Abgasturboladers, bereitzustellen, welche eine verbesserte Betätigbarkeit aufweist. Diese Aufgabe wird durch eine Versteileinrichtung für eine Aufladeeinrichtung, insbesondere einen Abgasturbolader, mit den Merkmalen des Patentanspruchs 1 gelöst. Vorteilhafte Ausgestaltungen mit zweckmäßigen und nicht-trivialen Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen angegeben. Charging direction, in particular an exhaust gas turbocharger to provide, which has an improved operability. This object is achieved by an adjusting device for a charging device, in particular an exhaust gas turbocharger, having the features of patent claim 1. Advantageous embodiments with expedient and non-trivial developments of the invention are specified in the dependent claims.
Eine erfindungsgemäße VerStelleinrichtung für eine Aufladeeinrichtung, insbesondere einen Abgasturbolader, umfasst ein um eine Schwenkachse schwenkbares An adjusting device according to the invention for a charging device, in particular an exhaust gas turbocharger, comprises a pivotable about a pivot axis
Betätigungselement sowie ein mittels des Betätigungselements entlang einer Actuator and a means of the actuating element along a
Schiebeachse verschiebbares Schiebeelement. Dabei stehen das Betätigungselement und das Schiebeelement über zumindest eine, dem Betätigungselement zugeordnete und in eine dem Schiebeelement zugeordnete Aufnahme eingreifende Eingriffskontur miteinander in Wirkverbindung, wobei eine rotatorische Bewegung des Sliding axis sliding sliding element. In this case, the actuating element and the sliding element via at least one, the actuating element associated and engaging in a sliding element associated with the receiving engagement contour with each other in operative connection, wherein a rotational movement of the
Betätigungselements in eine translatorische Bewegung, also eine Verschiebung, des Schiebeelements umsetzbar ist. Erfindungsgemäß ist nun vorgesehen, dass die Actuator in a translational movement, so a shift, the sliding element is implemented. According to the invention it is now provided that the
Eingriffskontur bezüglich eines zweidimensionalen, kartesischen Koordinatensystems, dessen Ursprung auf der Schwenkachse liegt und dessen x-Achse zu einem Engagement contour with respect to a two-dimensional, Cartesian coordinate system whose origin lies on the pivot axis and the x-axis to a
Schwenkwinkel α des Betätigungselements korrespondiert und bei α = 0° orthogonal zur Schiebeachse verläuft, wenigstens bereichsweise zumindest im Wesentlichen folgendem Verlauf gehorcht:
b b
V = cos or x— . V = cos or x-.
2 2
„x" bezeichnet dabei eine Koordinate des Eingriffspunkts der Eingriffskontur mit der Aufnahme entlang der x-Achse des Koordinatensystems, während„y" die Koordinate des Eingriffspunkts der Eingriffskontur mit der Aufnahme entlang der y-Achse des "X" denotes a coordinate of the engagement point of the engagement contour with the recording along the x-axis of the coordinate system, while "y" is the coordinate of the engagement point of the engagement contour with the recording along the y-axis of
Koordinatensystems bezeichnet, wobei die y-Achse senkrecht auf der x-Achse steht, wodurch also das genannte, kartesische Koordinatensystem dargestellt ist. Coordinate system referred to, wherein the y-axis is perpendicular to the x-axis, which thus the said Cartesian coordinate system is shown.
„r" bezeichnet den orthogonalen Abstand der Schiebeachse zur Schwenkachse des Betätigungselements,„s" bezeichnet den Verschiebeweg des Schiebeelements entlang dessen Schiebeachse,„a" bezeichnet den Schwenkwinkel des Betätigungselements, wobei dieser Schwenkwinkel mit dem Winkel zwischen der x-Achse des "R" denotes the orthogonal distance of the sliding axis to the pivot axis of the actuating element, "s" denotes the displacement of the sliding element along the sliding axis, "a" denotes the pivot angle of the actuating element, said pivot angle with the angle between the x-axis of the
Koordinatensystems und einer zur Schiebeachse senkrechten und durch den Ursprung des Koordinatensystems verlaufenden Gerade korreliert. Das bedeutet also, dass das Koordinatensystem körperfest mit dem Betätigungselement ist und dessen Coordinate system and a perpendicular to the sliding axis and extending through the origin of the coordinate system line correlated. So that means that Coordinate system is body-fixed with the actuator and its
Schwenkbewegung mit ausführt,„b" bezeichnet die parallel zur Schiebeachse Pivoting movement with executes, "b" refers to the parallel to the sliding axis
verlaufende Erstreckung der Aufnahme, die beispielsweise nutförmig ausgebildet ist und in einer Mantelfläche des beispielsweise zumindest im Wesentlichen hohizylinderförmigen Schiebeelements vorgesehen ist. extending extension of the receptacle, which is for example formed groove-shaped and is provided in a lateral surface of the example, at least substantially hohizylinderförmigen sliding element.
Ist die Aufnahme als Nut ausgebildet und greift das Betätigungselement, welches beispielsweise gabelförmig ausgebildet ist, mit entsprechenden Gabelzinken in diese Nut ein, so ist die erfindungsgemäße Eingriffskontur vorteilhafterweise an den Flanken der Gabelzinken vorgesehen, über welche das Betätigungselement mit dem Schiebeelement in Wirkverbindung steht zur Umsetzung der Schwenkbewegung des Betätigungselements in die translatorische Bewegung, also Verschiebung, des Schiebeelements. If the receptacle is formed as a groove and engages the actuating element, which is for example fork-shaped, with corresponding forks in this groove, the engagement contour according to the invention is advantageously provided on the flanks of the forks, via which the actuating element is in operative connection with the sliding element for implementation the pivoting movement of the actuating element in the translational movement, ie displacement, of the sliding element.
Die erfindungsgemäße Eingriffskontur ermöglicht es, dass der durch die genannten Koordinaten beschriebene Eingriffspunkt zwischen dem Betätigungselement und dem Schiebeelement nicht orthogonal zur Schiebeachse wandert sondern sich vielmehr linear bewegt, wodurch das eingangs genannte Kippmoment vermieden ist. Dies vermeidet infolge dessen ein aus dem Kippmoment resultierendes Verkippen und mögliches Verklemmen des Schiebeelements, was mit einer vereinfachten Betätigung und mit einer Reduzierung der Ausfallwahrscheinlichkeit der gesamten VerStelleinrichtung einhergeht. The engagement contour according to the invention makes it possible that the engagement point between the actuating element and the sliding element described by said coordinates does not migrate orthogonally to the sliding axis but rather moves linearly, whereby the aforementioned tilting moment is avoided. This avoids a result of the tilting moment resulting tilting and possible jamming of the sliding element, which is associated with a simplified operation and with a reduction in the probability of failure of the entire adjusting device.
Durch die erfindungsgemäße Eingriffskontur ist eine Eingriffsgeometrie geschaffen, welche sich aus den oben genannten Formeln ergibt, die allgemein darstellbar sind, so lange weder ein in Richtung der Schiebeachse vorderer beziehungsweise linker noch hinterer beziehungsweise rechter Eingriffspunkt der Aufnahme die Stelle des kürzesten Abstands zur Schwenkachse der rotatorischen Bewegung des Betätigungselements durchläuft, da hier der Umkehrpunkt auf der Eingriffsgeometrie liegt. The engagement contour according to the invention provides an engagement geometry which results from the abovementioned formulas which can be represented generally, as long as neither the front or left nor the rear or right engagement point of the receptacle is the shortest distance to the pivot axis of the rotational one Moves through the actuator, since the reversal point lies on the engagement geometry here.
An dieser Stelle sei angemerkt, dass die erfindungsgemäße Eingriffskontur bei jedwedem Anwendungsfall einzusetzen ist, bei welchem eine rotatorische Bewegung in eine translatorische Bewegung durch Eingriff eines Betätigungselements in eine At this point it should be noted that the engagement contour according to the invention is to be used in any application in which a rotational movement into a translational movement by engagement of an actuating element in a
korrespondierende Aufnahme geschieht. Corresponding recording happens.
Insbesondere jedoch in Zusammenhang mit einem Abgasturbolader ist die In particular, however, in connection with an exhaust gas turbocharger is the
erfindungsgemäße Eingriffskontur insofern vorteilhaft, als es sich um ein in hoher Stückzahl herzustellendes Produkt handelt, bei welchem die durch die erfindungsgemäße Eingriffskontur geschaffenen Vorteile besonders positiv hervortreten. Beispielsweise ist vorgesehen, dass das Betätigungselement zumindest bereichsweise gabelförmig ausgebildet ist, wobei zumindest zwei Zinken der Gabel das Schiebeelement zumindest bereichsweise umgreifen. The engagement contour according to the invention is advantageous insofar as it is a product to be produced in large numbers, in which the advantages created by the engagement contour according to the invention emerge particularly positively. For example, it is provided that the actuating element is at least partially fork-shaped, wherein at least two prongs of the fork engage around the sliding element at least partially.
Dies stellt eine besonders robuste und kostengünstige Betätigbarkeit der This represents a particularly robust and cost-effective operability of
Versteileinrichtung dar bei gleichzeitiger Reduzierung oder Vermeidung des genannten Verkippens. Adjustment device is at the same time reducing or avoiding said tilting.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines bevorzugten Ausführungsbeispiels sowie anhand der Zeichnungen. Die vorstehend in der Beschreibung genannten Merkmale und Further advantages, features and details of the invention will become apparent from the following description of a preferred embodiment and from the drawings. The features mentioned above in the description and
Merkmalskombinationen sowie die nachfolgend in der Figurenbeschreibung genannten und/oder in den Figuren alleine gezeigten Merkmale und Merkmalskombinationen sind nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Feature combinations as well as the features and feature combinations mentioned below in the description of the figures and / or shown alone in the figures are not only in the respectively indicated combination but also in others
Kombinationen oder in Alleinstellung verwendbar, ohne den Rahmen der Erfindung zu verlassen. Combinations or alone, without departing from the scope of the invention.
Die Zeichnungen zeigen in: The drawings show in:
Fig. 1 eine schematische Darstellung zur Erzeugung einer Eingriffskontur für die erfindungsgemäße Versteileinrichtung; und Fig. 1 is a schematic representation for generating an engagement contour for the adjusting device according to the invention; and
Fig. 2 eine Ausführungsform einer Eingriffskontur der erfindungsgemäßen Fig. 2 shows an embodiment of an engagement contour of the invention
Versteileinrichtung. Adjusting device.
Die Fig. 1 zeigt geometrische Zusammenhänge zur Erzeugung einer Eingriffskontur für eine VerStelleinrichtung für einen Abgasturbolader, welche ein um eine Schwenkachse 10 schwenkbares Betätigungselement und ein mittels des Betätigungselements entlang einer Schiebeachse 12 verschiebbares Schiebeelement umfasst. Dabei stehen das Betätigungselement und das Schiebeelement über zumindest eine, dem 1 shows geometric relationships for generating an engagement contour for an adjusting device for an exhaust-gas turbocharger, which comprises an actuating element pivotable about a pivot axis 10 and a sliding element displaceable along a sliding axis 12 by means of the actuating element. In this case, the actuating element and the sliding element over at least one, the
Betätigungselement zugeordnete und in eine dem Schiebeelement zugeordnete Nut eingreifende Eingriffskontur 14 (Fig. 2) miteinander in Wirkverbindung, wobei eine rotatorische Bewegung gemäß einem Richtungspfeil 6 des Betätigungselements in eine translatorische Bewegung gemäß einem Richtungspfeil 18 entlang der Schieberachse 12 des Schiebeelements umsetzbar ist. Zur Durchführung der Schwenkbewegung des Betätigungselements gemäß dem Actuator associated and in a sliding element associated with the groove engaging engagement contour 14 (Fig. 2) with each other in operative connection, wherein a rotational movement according to a directional arrow 6 of the actuating element in a translational movement according to a directional arrow 18 along the slide axis 12 of the sliding element can be implemented. To carry out the pivoting movement of the actuating element according to the
Richtungspfeil 16 wird das Betätigungselement, beispielsweise mittels eines Aktuators, um einen Schwenkwinkel α verschwenkt. Directional arrow 16, the actuating element, for example by means of an actuator, pivoted about a pivot angle α.
Die in der Fig. 2 gezeigte Eingriffskontur 14 ergibt sich dabei aus folgenden The engagement contour 14 shown in FIG. 2 results from the following
Zusammenhängen: x = jr2 + s2 + sin orx— und Connections: x = jr 2 + s 2 + sin orx- and
2 2
b b
y = cos a x— . y = cos a x-.
2 2
Dabei bezeichnet„x" die Koordinate des Eingriffspunkts der Eingriffskontur 14 mit der Nut entlang der x-Achse eines zweidimensionalen, kartesischen Koordinatensystem 20, dessen Ursprung auf der Schwenkachse 10 liegt und dessen x-Achse einen In this case, "x" denotes the coordinate of the engagement point of the engagement contour 14 with the groove along the x-axis of a two-dimensional Cartesian coordinate system 20, whose origin lies on the pivot axis 10 and whose x-axis
Schwenkwinkel α des Betätigungselements mit ausführt und bei α = 0° orthogonal zur Schiebeachse 12 verläuft. Swivel angle α of the actuating element carries out and at α = 0 ° orthogonal to the sliding axis 12 extends.
Wie der Fig. 1 zu entnehmen ist, bezeichnet weiterhin„y" die Koordinate des As can be seen from FIG. 1, "y" furthermore denotes the coordinate of
Eingriffspunkts der Eingriffskontur 14 mit der Nut entlang der y-Achse des Engagement point of the engagement contour 14 with the groove along the y-axis of the
Koordinatensystems 20.„r" bezeichnet den orthogonalen Abstand zwischen der Coordinate system 20. "r" denotes the orthogonal distance between the
Schiebeachse 12 und der Schwenkachse 10, während„s" den Verschiebeweg des Schiebeelements bezeichnet. Sliding axis 12 and the pivot axis 10, while "s" denotes the displacement of the sliding element.
Der Schwenkwinkel α bezeichnet dabei nicht nur den Schwenkwinkel des The swivel angle α denotes not only the swivel angle of the
Betätigungselements sondern auch den Winkel zwischen der x-Achse des Actuator but also the angle between the x-axis of
Koordinatensystems 20 und einer zur Schiebeachse 12 senkrechten und durch den Ursprung 10 des Koordinatensystems 20 verlaufenden Geraden 22.„b" bezeichnet die parallel zur Schiebeachse 12 verlaufende Erstreckung der Nut, also die Nutbreite. Coordinate system 20 and a perpendicular to the sliding axis 12 and through the origin 10 of the coordinate system 20 extending straight line 22. "b" denotes the parallel to the sliding axis 12 extending extension of the groove, so the groove width.
Durch die Eingriffskontur 14 ist somit eine Eingriffsgeometrie geschaffen, über welche das Betätigungselement und das Schiebeelement in Wirkverbindung stehen bei der Betätigung des Schiebelements über das Betätigungselement, wobei der besagte Eingriffspunkt nicht orthogonal zur Schiebeachse 12 wandert, sondern vielmehr einen linearen Verlauf aufweist, was ein Verkippen des Schiebeelements infolge dessen Betätigung vermeidet. Daraus resultiert eine leichtgängige Betätigbarkeit des Schiebeelements, was eine Funktionserfüllung desselbigen auch über eine hohe Lebensdauer hinweg gewährleistet. As a result of the engagement contour 14, an engagement geometry is created, via which the actuating element and the sliding element are operatively connected when the sliding element is actuated via the actuating element, wherein said engagement point does not migrate orthogonally to the sliding axis 12, but rather has a linear course, which causes tilting the sliding element as a result of its actuation avoids. This results in a smooth operation of the Sliding element, which ensures a functional fulfillment desselbigen also over a long service life.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009059127A DE102009059127A1 (en) | 2009-12-19 | 2009-12-19 | Adjusting device for a charging device, in particular for an exhaust gas turbocharger |
| DE102009059127.3 | 2009-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011072761A1 true WO2011072761A1 (en) | 2011-06-23 |
Family
ID=43256764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2010/005686 Ceased WO2011072761A1 (en) | 2009-12-19 | 2010-09-16 | Exhaust-gas turbocharger having an adjustable sliding ring |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE102009059127A1 (en) |
| WO (1) | WO2011072761A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19816645A1 (en) * | 1998-04-15 | 1999-10-21 | Daimler Chrysler Ag | Exhaust gas turbocharger turbine |
| GB2392956A (en) * | 2002-09-12 | 2004-03-17 | Honeywell Uk Ltd | Controlling inlet to turbocharger turbine |
| DE10328167A1 (en) | 2003-06-24 | 2005-01-13 | Daimlerchrysler Ag | Turbine housing for an exhaust gas turbocharger |
| GB2427446A (en) * | 2005-06-20 | 2006-12-27 | Malcolm George Leavesley | Variable turbocharger turbine |
| WO2008157109A2 (en) * | 2007-06-12 | 2008-12-24 | Borgwarner Inc. | Turbocharger bypass valving |
| GB2456110A (en) * | 2006-10-27 | 2009-07-08 | Komatsu Mfg Co Ltd | Variable turbo supercharger and method of returning oil from hydraulic drive device |
-
2009
- 2009-12-19 DE DE102009059127A patent/DE102009059127A1/en not_active Withdrawn
-
2010
- 2010-09-16 WO PCT/EP2010/005686 patent/WO2011072761A1/en not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19816645A1 (en) * | 1998-04-15 | 1999-10-21 | Daimler Chrysler Ag | Exhaust gas turbocharger turbine |
| GB2392956A (en) * | 2002-09-12 | 2004-03-17 | Honeywell Uk Ltd | Controlling inlet to turbocharger turbine |
| DE10328167A1 (en) | 2003-06-24 | 2005-01-13 | Daimlerchrysler Ag | Turbine housing for an exhaust gas turbocharger |
| GB2427446A (en) * | 2005-06-20 | 2006-12-27 | Malcolm George Leavesley | Variable turbocharger turbine |
| GB2456110A (en) * | 2006-10-27 | 2009-07-08 | Komatsu Mfg Co Ltd | Variable turbo supercharger and method of returning oil from hydraulic drive device |
| WO2008157109A2 (en) * | 2007-06-12 | 2008-12-24 | Borgwarner Inc. | Turbocharger bypass valving |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102009059127A1 (en) | 2011-06-22 |
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