DE102016114253A1 - Axial turbine of a turbocharger and turbocharger - Google Patents
Axial turbine of a turbocharger and turbocharger Download PDFInfo
- Publication number
- DE102016114253A1 DE102016114253A1 DE102016114253.0A DE102016114253A DE102016114253A1 DE 102016114253 A1 DE102016114253 A1 DE 102016114253A1 DE 102016114253 A DE102016114253 A DE 102016114253A DE 102016114253 A1 DE102016114253 A1 DE 102016114253A1
- Authority
- DE
- Germany
- Prior art keywords
- guide ring
- axial turbine
- vane
- sperrluftnut
- guide
- 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.)
- Pending
Links
Images
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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/30—Exhaust heads, chambers, or the like
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
- F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/005—Sealing means between non relatively rotating elements
-
- 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
-
- 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
- F01D17/162—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for axial flow, i.e. the vanes turning around axes which are essentially perpendicular to the rotor centre line
-
- 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
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
-
- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
Abstract
Axialturbine (2) eines Turboladers zur Entspannung eines Mediums, mit einem Laufschaufeln (7) aufweisenden Turbinenrotor (5); mit einem in Strömungsrichtung des zu entspannenden Mediums gesehen stromaufwärts der Laufschaufeln (7) positionierten, verstellbare Leitschaufeln (11) aufweisen Leitapparat (6), wobei jede Leitschaufel (11) ein Leitschaufelblatt (12), einen Leitschaufeldrehteller (14) und einen in einem Leitring (15) gelagerten Leitschaufelzapfen (13) aufweisen; mit einem in Strömungsrichtung des zu entspannenden Mediums gesehen stromaufwärts des Leitapparats (6) positionierten Zuströmgehäuse (3), über welches das zu entspannende Medium den Leitschaufeln (11) des Leitapparats (6) zuführbar ist. In das Zuströmghäuse (3) ist mindestens eine Sperrluftbohrung (18) eingebracht. In den Leitring (15) ist eine umlaufende Sperrluftnut (19) eingebracht. Die oder jede in das Zuströmgehäuse (3) eingebrachte Sperrluftbohrung (18) erstreckt sich durch das Zuströmgehäuse (3) hindurch und mündet in die in den Leitring (15) eingebrachte Sperrluftnut (19), wobei ein Sperrluftdruck im Bereich einer von der Sperrluftnut (19) aus mit Sperrluft beaufschlagbaren Trennfuge (17) zwischen dem Leitschaufeldrehteller (14) der jeweiligen Leitschaufel (11) und dem Leitring (15) größer als ein Abgasdruck im Bereich dieser Trennfuge (17) ist.Axial turbine (2) of a turbocharger for the expansion of a medium, with a rotor blades (7) having turbine blades (5); variable displacement vanes (11) positioned upstream of the blades (7) in the direction of flow of the media to be purged comprise nozzle (6), each vane (11) including a vane blade (12), a vane turntable (14) and a pilot ring (15) mounted guide vane pin (13); with an upstream in the flow direction of the medium to be relaxed seen upstream of the nozzle (6) positioned Zuströmgehäuse (3), via which the medium to be relaxed the guide vanes (11) of the distributor (6) can be fed. In the Zuströmghäuse (3) at least one sealing air bore (18) is introduced. In the guide ring (15) has a circumferential Sperrluftnut (19) is introduced. The or each in the Zuströmgehäuse (3) introduced Sperrluftbohrung (18) extends through the Zuströmgehäuse (3) and opens into the in the guide ring (15) introduced Sperrluftnut (19), wherein a sealing air pressure in the region of the Sperrluftnut (19 ) is acted upon with sealing air separating line (17) between the guide vane turntable (14) of the respective guide vane (11) and the guide ring (15) is greater than an exhaust gas pressure in the region of this parting line (17).
Description
Die Erfindung betrifft eine Axialturbine eines Turboladers und einen Turbolader. The invention relates to an axial turbine of a turbocharger and a turbocharger.
Aus der
Die
Hiervon ausgehend liegt der vorliegenden Erfindung die Aufgabe zugrunde, eine neuartige Axialturbine eines Turboladers zu schaffen, bei der eine Leckage des Abgases von Lagerstellen der verstellbaren Leitschaufeln des Leitapparats ferngehalten werden kann. Proceeding from this, the present invention has the object to provide a novel axial turbine of a turbocharger, in which a leakage of the exhaust gas can be kept away from bearings of the adjustable guide vanes of the distributor.
Diese Aufgabe wird durch eine Axialturbine eines Turboladers nach Anspruch 1 gelöst. In das Zuströmghäuse der Turbine ist mindestens eine Sperrluftbohrung eingebracht. In den Leitring ist eine umlaufende Sperrluftnut eingebracht. Die oder jede in das Zuströmgehäuse eingebrachte Sperrluftbohrung erstreckt sich durch das Zuströmgehäuse hindurch und mündet in die in den Leitring eingebrachte Sperrluftnut, wobei ein Sperrluftdruck im Bereich einer von der Sperrluftnut aus mit Sperrluft beaufschlagbaren Trennfuge zwischen dem Leitschaufeldrehteller der jeweiligen Leitschaufel und dem Leitring größer als ein Abgasdruck im Bereich dieser Trennfuge ist. Über die Sperrluft, die über die oder jede Sperrluftbohrung in den Bereich der Sperrluftnut des Leitrings eingebracht werden kann, kann eine Abgasleckage über die Trennfuge zwischen dem Leitschaufeldrehteller der jeweiligen Leitschaufel und dem Leitring unterbunden werden, sodass eine Abgasleckage von den Lagerstellen der Leitschaufeln ferngehalten werden kann. So kann verhindert werden, dass sich im Bereich der Lagerstellen der Leitschaufeln unerwünschte Ablagerungen ausbilden. Die Gefahr eines Ausfalls der Verstellvorrichtung des Leitapparats wird hierdurch reduziert. This object is achieved by an axial turbine of a turbocharger according to claim 1. At least one sealing air bore is introduced into the inflow housing of the turbine. In the guide ring a circumferential Sperrluftnut is introduced. The or each introduced into the Zuströmgehäuse barrier air hole extends through the Zuströmgehäuse through and opens into the introduced into the guide ring Sperrluftnut, wherein a sealing air pressure in the range from the Sperrluftnut acted upon by sealing air parting line between the Leitscherteldeller the respective vane and the guide ring larger than a Exhaust gas pressure in the region of this parting line is. About the sealing air, which can be introduced via the or each sealing air hole in the region of the blocking air groove of the guide ring, an exhaust leakage through the parting line between the Leitscheltdredreheller the respective vane and the guide ring can be prevented, so that an exhaust gas leakage can be kept away from the bearings of the vanes , Thus, it can be prevented that form undesirable deposits in the area of the bearing points of the guide vanes. The risk of failure of the adjusting device of the distributor is thereby reduced.
Nach einer vorteilhaften Weiterbildung der Erfindung ist eine zwischen dem Leitring und dem Leitschaufelzapfen einer jeden Leitschaufel ausgebildete Lagerfläche der jeweiligen Leitschaufel von der Sperrluftnut aus mit Sperrluft beaufschlagbar. Das Beaufschlagen der Lagerstellen mit Sperrluft ist ebenfalls von Vorteil, insbesondere zur Kühlung der Lagerstellen der Leitschaufeln. Die Sperrluftnut beaufschlagt vorzugsweise über Durchbrüche im Leitring die Trennfugen und die Lagerstellen mit Sperrluft. According to an advantageous embodiment of the invention, a formed between the guide ring and the Leitschaufelzapfen each vane bearing surface of the respective vane from the Sperrluftnut from with air can be acted upon. The loading of the bearings with sealing air is also advantageous, in particular for cooling the bearing points of the guide vanes. The Sperrluftnut acts preferably through openings in the guide ring, the joints and the bearing points with sealing air.
Nach einer vorteilhaften Weiterbildung der Erfindung sind zwischen dem Leitring und dem Zuströmgehäuse Dichtungselemente zur Abdichtung der Sperrluftnut angeordnet. Hiermit kann ein ausreichend hoher Sperrluftdruck im Bereich der Sperrluftnut aufrechterhalten werden. According to an advantageous embodiment of the invention sealing elements for sealing the Sperrluftnut are arranged between the guide ring and the Zuströmgehäuse. Hereby, a sufficiently high sealing air pressure can be maintained in the area of Sperrluftnut.
Nach einer vorteilhaften Weiterbildung der Erfindung sind die Sperrluftbohrungen gegenüber der Axialrichtung der Axialturbine und gegenüber der Radialrichtung der Axialturbine schräggestellt. Dies erlaubt eine besonders vorteilhafte konstruktive Ausführung des Turbinenzuströmgehäuses. According to an advantageous embodiment of the invention, the sealing air holes are inclined relative to the axial direction of the axial turbine and with respect to the radial direction of the axial turbine. This allows a particularly advantageous structural design of Turbinenzuströmgehäuses.
Der erfindungsgemäße Turbolader ist in Anspruch 8 definiert. The turbocharger according to the invention is defined in claim 8.
Bevorzugte Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen und der nachfolgenden Beschreibung. Ausführungsbeispiele der Erfindung werden, ohne hierauf beschränkt zu sein, an Hand der Zeichnung näher erläutert. Dabei zeigt: Preferred embodiments of the invention will become apparent from the dependent claims and the description below. Embodiments of the invention will be described, without being limited thereto, with reference to the drawings. Showing:
Die hier vorliegende Erfindung betrifft eine Axialturbine eines Turboladers und einen Turbolader. The present invention relates to an axial turbine of a turbocharger and a turbocharger.
Der Turbinenrotor
Wie bereits ausgeführt, ist stromaufwärts des Turbinenrotors
Die Leitschaufeln
Über eine im Detail nicht gezeigte Verstelleinrichtung für den Leitapparat
Zwischen den Leitschaufelzapfen
Zwischen dem Leitschaufeldrehteller
Um derartige Ablagerungen im Bereich der Lagerstellen
Eine Abgasleckage, die nach dem Stand der Technik demnach über die Trennfugen
Ausgehend von der Sperrluftnut
Es liegt demnach im Sinne der Erfindung, dass in das Turbinenzuströmgehäuse
Dies erfolgt über die Durchbrüche
Wie am besten
Die oder jede Sperrluftbohrung
Bei der Sperrluft kann es sich um Ladeluft eine ohnehin vorhandenen Ladeluftsystems oder um Druckluft eines separaten Druckluftsystems handeln. The blocking air may be charge air, an already existing charge air system or compressed air of a separate compressed air system.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 1 1
- Turbolader turbocharger
- 2 2
- Axialturbine axial turbine
- 3 3
- Zuströmgehäuse inflow housing
- 4 4
- Abströmgehäuse outflow housing
- 5 5
- Turbinenrotor turbine rotor
- 6 6
- Leitapparat diffuser
- 7 7
- Laufschaufel blade
- 8 8th
- Welle wave
- 9 9
- Deckring cover ring
- 10 10
- Befestigungselement fastener
- 11 11
- Leitschaufel vane
- 12 12
- Leitschaufelblatt airfoil
- 13 13
- Leitschaufelzapfen guidevane
- 14 14
- Leitschaufeldrehteller Leitschaufeldrehteller
- 15 15
- Leitring Leitring
- 16 16
- Lagerstelle depository
- 17 17
- Trennfüge Add release
- 18 18
- Sperrluftbohrung Sealing air bore
- 19 19
- Sperrluftnut Sperrluftnut
- 20 20
- Aufnahmenut receiving groove
- 21 21
- Durchbruch breakthrough
- 22 22
- Diffusor diffuser
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 4426522 A1 [0002] DE 4426522 A1 [0002]
- DE 10016745 B4 [0003] DE 10016745 B4 [0003]
Claims (8)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016114253.0A DE102016114253A1 (en) | 2016-08-02 | 2016-08-02 | Axial turbine of a turbocharger and turbocharger |
CH00893/17A CH712811B1 (en) | 2016-08-02 | 2017-07-10 | Axial turbine for a turbocharger and turbocharger. |
KR1020170091292A KR20180015077A (en) | 2016-08-02 | 2017-07-19 | Axial turbine of a turbocharger and turbocharger |
JP2017148946A JP2018021554A (en) | 2016-08-02 | 2017-08-01 | Axial flow turbine of turbocharger and turbocharger |
CN201710649502.0A CN107676138A (en) | 2016-08-02 | 2017-08-02 | The axial turbine and turbocharger of turbocharger |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016114253.0A DE102016114253A1 (en) | 2016-08-02 | 2016-08-02 | Axial turbine of a turbocharger and turbocharger |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102016114253A1 true DE102016114253A1 (en) | 2018-02-08 |
Family
ID=60996515
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102016114253.0A Pending DE102016114253A1 (en) | 2016-08-02 | 2016-08-02 | Axial turbine of a turbocharger and turbocharger |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP2018021554A (en) |
KR (1) | KR20180015077A (en) |
CN (1) | CN107676138A (en) |
CH (1) | CH712811B1 (en) |
DE (1) | DE102016114253A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021200563A1 (en) | 2021-01-22 | 2022-07-28 | Vitesco Technologies GmbH | Exhaust gas turbocharger with guide vane cooling |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4426522A1 (en) | 1994-07-27 | 1996-02-01 | Man B & W Diesel Ag | Gas turbine flow machine |
DE10016745B4 (en) | 2000-04-04 | 2005-05-19 | Man B & W Diesel Ag | Axial flow machine with a nozzle comprising a number of adjustable guide vanes |
US20080075583A1 (en) * | 2006-08-28 | 2008-03-27 | Abb Turbo Systems Ag | Sealing of variable guide vanes |
WO2009130262A1 (en) * | 2008-04-23 | 2009-10-29 | Abb Turbo Systems Ag | Carrier ring of a conducting device with sealing air channel |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60145423A (en) * | 1984-01-10 | 1985-07-31 | Mitsubishi Heavy Ind Ltd | Nozzle blade rotary device for turbine of exhaust turbine supercharger |
DE10013335A1 (en) * | 2000-03-17 | 2001-09-20 | Abb Turbo Systems Ag Baden | Conducting apparatus is for position alteration of conducting blades in turbocharger exhaust gas turbine has blades arranged axially symmetrically to the turbine axis in an exhaust gas flow channel and can be pivoted by a pivot device |
CN107816440B (en) * | 2012-08-30 | 2020-03-06 | 三菱重工发动机和增压器株式会社 | Centrifugal compressor |
JP3189239U (en) * | 2013-12-19 | 2014-02-27 | 株式会社日立製作所 | Turbo machine |
CN107075967B (en) * | 2014-09-23 | 2019-10-18 | 博格华纳公司 | Turbocharger with integrated form actuator |
-
2016
- 2016-08-02 DE DE102016114253.0A patent/DE102016114253A1/en active Pending
-
2017
- 2017-07-10 CH CH00893/17A patent/CH712811B1/en unknown
- 2017-07-19 KR KR1020170091292A patent/KR20180015077A/en not_active Application Discontinuation
- 2017-08-01 JP JP2017148946A patent/JP2018021554A/en active Pending
- 2017-08-02 CN CN201710649502.0A patent/CN107676138A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4426522A1 (en) | 1994-07-27 | 1996-02-01 | Man B & W Diesel Ag | Gas turbine flow machine |
DE10016745B4 (en) | 2000-04-04 | 2005-05-19 | Man B & W Diesel Ag | Axial flow machine with a nozzle comprising a number of adjustable guide vanes |
US20080075583A1 (en) * | 2006-08-28 | 2008-03-27 | Abb Turbo Systems Ag | Sealing of variable guide vanes |
WO2009130262A1 (en) * | 2008-04-23 | 2009-10-29 | Abb Turbo Systems Ag | Carrier ring of a conducting device with sealing air channel |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021200563A1 (en) | 2021-01-22 | 2022-07-28 | Vitesco Technologies GmbH | Exhaust gas turbocharger with guide vane cooling |
Also Published As
Publication number | Publication date |
---|---|
JP2018021554A (en) | 2018-02-08 |
KR20180015077A (en) | 2018-02-12 |
CH712811B1 (en) | 2021-08-16 |
CH712811A2 (en) | 2018-02-15 |
CN107676138A (en) | 2018-02-09 |
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Legal Events
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---|---|---|---|
R163 | Identified publications notified | ||
R081 | Change of applicant/patentee |
Owner name: MAN ENERGY SOLUTIONS SE, DE Free format text: FORMER OWNER: MAN DIESEL & TURBO SE, 86153 AUGSBURG, DE |
|
R084 | Declaration of willingness to licence | ||
R012 | Request for examination validly filed |