WO2008155400A1 - Entraînement pour un dispositif de guidage de prérotation - Google Patents

Entraînement pour un dispositif de guidage de prérotation Download PDF

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Publication number
WO2008155400A1
WO2008155400A1 PCT/EP2008/057839 EP2008057839W WO2008155400A1 WO 2008155400 A1 WO2008155400 A1 WO 2008155400A1 EP 2008057839 W EP2008057839 W EP 2008057839W WO 2008155400 A1 WO2008155400 A1 WO 2008155400A1
Authority
WO
WIPO (PCT)
Prior art keywords
adjusting ring
compressor
actuator
compressor according
adjusting
Prior art date
Application number
PCT/EP2008/057839
Other languages
German (de)
English (en)
Inventor
Josef Bättig
Mathias Richner
Original Assignee
Abb Turbo Systems Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Abb Turbo Systems Ag filed Critical Abb Turbo Systems Ag
Publication of WO2008155400A1 publication Critical patent/WO2008155400A1/fr

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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • 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
    • F05D2250/50—Inlet or outlet
    • F05D2250/51—Inlet
    • 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
    • F05D2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05D2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources

Definitions

  • the invention relates to the field of turbomachines subjected to exhaust gases of internal combustion engines.
  • It relates to a drive for a guide device for generating a Vordralls in the intake of a compressor and an exhaust gas turbocharger with such a Vordrall guide.
  • Exhaust gas turbochargers are used to increase the performance of internal combustion engines (reciprocating piston engines). In modern internal combustion engines, the adaptation of the exhaust gas turbocharger to variable operating conditions will become more difficult.
  • a widely used option is the so-called variable turbine and / or compressor geometry.
  • the stator vanes are aligned more or less steeply with the flow upstream of the turbine wheel in accordance with turbine power requirements.
  • the vanes in the diffuser downstream of the compressor wheel are aligned more or less steeply to the flow.
  • These pre-whirl baffles include a plurality of vanes aligned radially with respect to the compressor axis.
  • Each of the guide vanes comprises in addition to the projecting into the flow channel blade profi I a blade shank with which the blade profile is rotatably mounted in a housing.
  • the blade profi I can be rotated about the axis of the blade shank via an adjusting lever.
  • an adjusting ring is provided, which is arranged concentrically to the axis of the compressor.
  • the present invention enables an extremely compact, robust and reliably sealed integration of a pilot wheel drive.
  • a linear actuator for example a stepper motor with threaded spindle, is used.
  • This actuator is relatively inexpensive and very compact. In addition, it is quite robust in terms of vibration and temperature loads.
  • the threaded spindle engages in a spindle nut, which is fastened to a translationally displaceable element (dip tube). Turning the spindle moves the element to the desired position.
  • the drive of the adjusting ring via a sliding pin with parallel milled which rotatably mounted in the two tabs of the U-ring.
  • the coupling of the sliding pin via a parallel-walled groove in the dip tube.
  • a dip tube is used with a blind hole which is sealed with a piston sealing ring. This will ensure that no leakage can escape from the compressor housing. This is particularly important for premixed gas engines.
  • FIG. 1 shows an isometric view of a pre-whirl guide device arranged in the compressor housing
  • FIG. 2 is an isometric detailed view of the drive of the pre-whirling guide apparatus of FIG. 1;
  • Fig. 3 shows the individual components of the drive of the pre-whirling guide device according to Fig. 2, and
  • FIG. 4 shows a section perpendicular to the compressor axis by the drive of the pre-whirling guide device according to FIG. 2.
  • Fig. 1 shows a pre-whirling guide in the intake of a compressor.
  • Such compressors are, as described above, used in exhaust gas turbochargers to increase the performance of internal combustion engines.
  • the compressor comprises a compressor housing, which comprises the compressor wheel and forms the flow channel of the medium to be compressed.
  • the radially outer housing 13 comprises in the illustrated embodiment, a housing extension 14 and a cover 15 for covering the arranged in the housing extension drive for the pre-whirling guide.
  • the guide device comprises a plurality of guide vanes 20 aligned in the radial direction with respect to the compressor axis.
  • the guide vanes are in one inner housing 10 rotatably mounted.
  • a central housing body 12 is arranged in the central region of the guide device, in which the tips of the plurality of guide vanes come together.
  • This central body is concentric with the axis of the compressor.
  • the central body is part of the inner housing, which forms the flow channel of the medium to be compressed in the region of the guide device.
  • the central body 12 can be positioned and retained via one or more radially extending retaining ribs 11. In order not to affect the flow in the flow channel with such ribs, the central body can also be positioned and held on the vane tips.
  • Fig. 2 allows a view into the interior of the outer housing, in particular to the inventive drive for the pre-whirl guide device and
  • Fig. 3 shows in detail the individual components of the drive in disassembled state.
  • Each of the guide vanes of the guide device comprises in addition to the projecting into the flow channel blade profi I 21 a blade shank 22, with which the blade profile is rotatably mounted in the housing, not shown.
  • an adjusting lever 23 the blade profile can rotate about the axis of the blade shank.
  • an adjusting ring 30 is provided, which is arranged concentrically to the axis of the compressor. In the illustrated embodiment, the torque is transmitted from
  • the ball head 24 is guided in a groove 31 of the adjusting ring with two parallel walls. In the groove of the ball head has the translational and rotational freedom of movement, which are necessary to implement the torque transfer.
  • the ball head is arranged in a translationally displaceable sliding shoe 25. If the adjusting ring 30 is rotated for adjusting the guide vanes, the sliding shoe 25 is displaced by the ball head 24 in the groove 31 in the plane of the groove walls. If the adjusting ring is turned away, the position of the adjusting lever changes relative to the adjusting ring.
  • the adjusting lever In addition to the translational displacement of the center of rotation of the ball head within the groove, there is a rotation of the adjusting lever with respect to the adjusting ring.
  • the translational displacement of the center of rotation of the ball head is made possible by the, along the groove walls sliding sliding shoe, while for the Rotation of the ball head in the molded by the shoe shoe ball cup can rotate in any direction as desired.
  • the shoe may also be formed in two parts by a ball socket half is arranged with a flat, sliding back on each side of the groove in the adjusting ring.
  • the torque transmission from the adjusting ring to the blade shank can also take place via a cylindrical pin arranged at the free end of the adjusting lever.
  • the pin engages in a bore of an adjusting ring also mounted in a bore, cylindrical sliding element.
  • the sliding cylinder can be rotated in the bore around its own axis and moved along its own axis.
  • the bore in the sliding cylinder which is provided for receiving the pin, is perpendicular to the axis of the sliding cylinder.
  • the pin can be rotated in this hole around its own axis and move along its own axis.
  • the pin can be fixed in the sliding cylinder and mounted for sliding in a corresponding hole in the free end of the adjusting lever of the guide vane.
  • an actuator device 50 for rotating the adjusting ring 30, an actuator device 50 according to the invention is provided which, in addition to the actuator 51, ie the actual drive, comprises at least one movable element running tangentially to the adjusting ring 30, which is connected to the adjusting ring via a coupling.
  • the actuator 51 drives a rotatable threaded spindle 52 which rotates but does not translate.
  • the threaded spindle is a cylindrical round rod, on which a trapezoidal or flat thread is applied. Also conceivable are arcuate grooves for receiving a recirculating ball nut.
  • the actuator is optionally designed as an electric stepper motor, in which via the control terminal 57, the desired direction of rotation can be adjusted.
  • the actuator 51 is fastened with fastening means 58 on the housing in the region of the housing extension 14.
  • the spindle 52 extends in the tangential direction to the adjusting ring.
  • the immersion tube is, as can be seen in the section of FIG.
  • the dip tube is guided in a housing bore 16 in the housing extension 14 and has a central longitudinal bore on the spindle.
  • a spindle nut 53 is arranged, which converts the rotational movement of the spindle into a translational movement of the dip tube.
  • the dip tube moves along the housing bore 16 back and forth.
  • the stroke of the dip tube is limited by the two stops bottom hole 17 and motor flange 59.
  • the coupling to the adjusting ring 30 is arranged at the free end of the dip tube.
  • the dip tube has a parallel-walled groove 55 which is arranged laterally offset from the central bore in the dip tube and is provided for receiving a sliding pin 41.
  • the sliding pin is additionally connected to the adjusting ring 30 by being rotatably disposed in a bore 32 in radially outwardly projecting tabs 33 of the adjusting ring 30.
  • the backup of the stepped slide pin in the holes can be done very compact and reliable with a locking ring 42. After the stepped sliding pin has been pushed all the way into the holes, the locking ring 42 is inserted into a designated groove in the front hole 32 on the front side of the pin. In the area of the tabs, the dip tube is laterally tapered.
  • the central bore in the dip tube is formed as a blind hole and the dip tube in the housing bore 16 optionally sealed by piston sealing ring 56.
  • the sealing ring is arranged in a groove provided for this purpose in the dip tube.
  • the actuator used is inexpensive and can be installed very compact.
  • the illustrated embodiment is quite in terms of vibration and temperature loads, since no loose parts interact over multiple joints and angulations.
  • List of Reference Symbols Inner housing Retaining rib Central body Outer housing Part Housing cover Housing cover Housing bore Bore bottom Guide vane Blade profile Vane shaft Adjusting lever for moving the guide vanes Ball bearing shoe Adjusting ring for moving the guide vanes via the adjusting levers Groove for receiving sliding shoe Ring bore for receiving sliding pin Tabs Sliding pin Circlip Actuator device Actuator, linear motor Spindle Spindle nut Sliding element, immersion tube Groove Sealing ring Connection cable Fastener Motor flange

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Selon l'invention, la broche filetée (52) entre en prise dans un écrou (53) de la broche, lequel est fixé à un élément (54) pouvant être déplacé par translation. Lors de la rotation de la broche, l'élément est poussé dans la position souhaitée. L'entraînement de l'anneau de réglage (30) se produit par l'intermédiaire d'un piston coulissant (41) comportant des fraisures disposées de manière parallèle, ce dernier étant disposé de manière à pouvoir tourner dans les deux éclisses (33) de l'anneau rainuré.
PCT/EP2008/057839 2007-06-20 2008-06-20 Entraînement pour un dispositif de guidage de prérotation WO2008155400A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07110647A EP2006494A1 (fr) 2007-06-20 2007-06-20 Engrenage pour dispositif de conduite à prérotation
EP07110647.0 2007-06-20

Publications (1)

Publication Number Publication Date
WO2008155400A1 true WO2008155400A1 (fr) 2008-12-24

Family

ID=38658687

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/057839 WO2008155400A1 (fr) 2007-06-20 2008-06-20 Entraînement pour un dispositif de guidage de prérotation

Country Status (2)

Country Link
EP (1) EP2006494A1 (fr)
WO (1) WO2008155400A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014217217A1 (de) 2014-08-28 2016-03-03 Volkswagen Aktiengesellschaft Turbine für eine Brennkraftmaschine
DE102018217510A1 (de) * 2018-10-12 2020-04-16 BMTS Technology GmbH & Co. KG Verdichter und ein Verfahren zur Montage einer Verstellvorrichtung in dem Verdichter

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2970044B1 (fr) * 2010-12-31 2013-02-01 Thermodyn Groupe motocompresseur a profil aerodynamique variable.
DE102012216656B3 (de) * 2012-09-18 2013-08-08 Siemens Aktiengesellschaft Verstellbarer Leitapparat
DE102017216323A1 (de) * 2017-09-14 2019-03-14 Continental Automotive Gmbh Verdichter für eine Aufladevorrichtung einer Brennkraftmaschine und Aufladevorrichtung für eine Brennkraftmaschine
DE102018101527A1 (de) * 2018-01-24 2019-07-25 Man Energy Solutions Se Axialströmungsmaschine
EP3892864A1 (fr) 2020-04-09 2021-10-13 BMTS Technology GmbH & Co. KG Compresseur
EP3892863A1 (fr) * 2020-04-09 2021-10-13 BMTS Technology GmbH & Co. KG Compresseur, agencement d'actionneur pour le compresseur et procédé de montage du compresseur

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4049360A (en) * 1975-05-01 1977-09-20 Rolls-Royce (1971) Limited Variable stator vane actuating mechanism
DE3320699A1 (de) * 1982-07-07 1984-01-12 Hitachi, Ltd., Tokyo Vorrichtung zum veraendern des leitschaufelwinkels bei axialen stroemungsmaschinen
DE3711224A1 (de) * 1987-04-03 1988-10-13 Gutehoffnungshuette Man Verstelleinrichtung fuer die leitschaufeln einer axialstroemungsmaschine
US4890977A (en) * 1988-12-23 1990-01-02 Pratt & Whitney Canada, Inc. Variable inlet guide vane mechanism
DE19734065A1 (de) * 1996-08-06 1998-03-19 Toyota Motor Co Ltd Turbolader vom Typ mit verstellbaren Düsen
US20030084886A1 (en) * 2001-10-11 2003-05-08 Yoshiyuki Akao Variable displacement supercharging system and method for detecting abnormality of supercharging system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB621175A (en) * 1946-11-16 1949-04-05 Power Jets Res & Dev Ltd Improvements in or relating to stator blading of compressors and like machines
DE2029859A1 (de) * 1970-06-18 1972-02-03 Motoren Turbinen Union Verstell Leitapparat fur Turbomaschi nen
DE2455361A1 (de) * 1973-12-11 1975-06-12 Plessey Handel Investment Ag Turbine bzw. kompressor insbesondere fuer turbolader
JPS62282126A (ja) * 1986-05-30 1987-12-08 Honda Motor Co Ltd タ−ビンの可変ノズル構造

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4049360A (en) * 1975-05-01 1977-09-20 Rolls-Royce (1971) Limited Variable stator vane actuating mechanism
DE3320699A1 (de) * 1982-07-07 1984-01-12 Hitachi, Ltd., Tokyo Vorrichtung zum veraendern des leitschaufelwinkels bei axialen stroemungsmaschinen
DE3711224A1 (de) * 1987-04-03 1988-10-13 Gutehoffnungshuette Man Verstelleinrichtung fuer die leitschaufeln einer axialstroemungsmaschine
US4890977A (en) * 1988-12-23 1990-01-02 Pratt & Whitney Canada, Inc. Variable inlet guide vane mechanism
DE19734065A1 (de) * 1996-08-06 1998-03-19 Toyota Motor Co Ltd Turbolader vom Typ mit verstellbaren Düsen
US20030084886A1 (en) * 2001-10-11 2003-05-08 Yoshiyuki Akao Variable displacement supercharging system and method for detecting abnormality of supercharging system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014217217A1 (de) 2014-08-28 2016-03-03 Volkswagen Aktiengesellschaft Turbine für eine Brennkraftmaschine
DE102018217510A1 (de) * 2018-10-12 2020-04-16 BMTS Technology GmbH & Co. KG Verdichter und ein Verfahren zur Montage einer Verstellvorrichtung in dem Verdichter
US11060446B2 (en) 2018-10-12 2021-07-13 Mahle International Gmbh Compressor and a method for the assembly of an actuation device in the compressor

Also Published As

Publication number Publication date
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