EP1635041B1 - Callage de superchargeur - Google Patents

Callage de superchargeur Download PDF

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Publication number
EP1635041B1
EP1635041B1 EP20050019633 EP05019633A EP1635041B1 EP 1635041 B1 EP1635041 B1 EP 1635041B1 EP 20050019633 EP20050019633 EP 20050019633 EP 05019633 A EP05019633 A EP 05019633A EP 1635041 B1 EP1635041 B1 EP 1635041B1
Authority
EP
European Patent Office
Prior art keywords
adjusting
bearing plate
ball cage
adjusting ring
bearing
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.)
Expired - Lifetime
Application number
EP20050019633
Other languages
German (de)
English (en)
Other versions
EP1635041A1 (fr
Inventor
Hermann Burmester
Christian Sleziona
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IHI Charging Systems International GmbH
Original Assignee
IHI Charging Systems International GmbH
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 IHI Charging Systems International GmbH filed Critical IHI Charging Systems International GmbH
Publication of EP1635041A1 publication Critical patent/EP1635041A1/fr
Application granted granted Critical
Publication of EP1635041B1 publication Critical patent/EP1635041B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
    • F01D17/165—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for radial flow, i.e. the vanes turning around axes which are essentially parallel to the rotor centre line
    • 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
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/61—Assembly methods using limited numbers of standard modules which can be adapted by machining
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/60—Assembly methods
    • F05D2230/64—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins
    • F05D2230/642—Assembly methods using positioning or alignment devices for aligning or centring, e.g. pins using maintaining alignment while permitting differential dilatation

Definitions

  • the invention relates to an adjusting device for guide vanes of an exhaust gas turbocharger according to the preamble of claim 1.
  • An exhaust gas turbocharger for an internal combustion engine which has a turbine with a variable turbine geometry for variable adjustment of the effective flow inlet cross section to the turbine wheel.
  • pivotally mounted guide vanes are provided in the flow inlet cross section in the turbine housing, which are adjustable by an adjusting device.
  • the adjusting device comprises an adjusting ring, which is rotatably mounted at its outer periphery by means of rollers in a housing ring.
  • the adjusting ring can be pivoted by an actuator in a limited rotation angle range by means of two levers which are connected to one another via a bearing journal.
  • From the EP-A-1 304 363 is an adjusting device for guide vanes of an exhaust gas turbocharger, which are pivotally mounted by means of axes in a housing-fixed bearing plate.
  • the axles are non-rotatably connected to ends of adjusting levers whose free ends engage in recesses of an adjusting ring.
  • This is rotatably mounted in the housing of the exhaust gas turbocharger by means of rolling elements and adjustable by a drive lever over a limited angle of rotation.
  • the rolling elements are bearing balls, which are arranged on the circumference of the bearing plate and guided in a ball cage.
  • the axes protrude on the side facing away from the guide vanes end face of the bearing plate a little way out of this before, so that the adjusting levers are axially offset from the bearing plate.
  • the drive lever is rotatably mounted in an axially offset to the bearing plate and the adjusting housing wall and engages with an actuating shaft having an eccentric at its free end, axially into the adjusting ring.
  • an adjusting device for guide vanes of an exhaust gas turbocharger which are pivotally mounted by means of axes in a housing-fixed bearing plate.
  • the axes are rotatably connected to ends of adjusting levers, whose free ends engage in recesses of the adjusting ring. This is mounted by means of several circumferentially spaced plain bearings on the circumference of the bearing plate.
  • the adjusting ring has a smaller outside diameter between the adjusting levers than in the areas in which the adjusting levers engage in the adjusting ring.
  • the adjusting levers are arranged axially offset from the bearing plate on a front side thereof.
  • an adjusting device for guide vanes of an exhaust gas turbocharger known by means of axes are pivotally mounted in a housing-fixed bearing plate.
  • the axles are connected to ends of adjusting levers whose free ends engage in recesses of an adjusting ring.
  • This is rotatably mounted in the housing by means of rollers coaxial with the bearing plate.
  • the rollers rotate on axles which are located at one end in the bearing plate and at the other end in a housing wall.
  • the adjusting ring is adjusted by a drive lever over a limited angle of rotation, which is mounted radially outwardly and axially offset from the adjusting ring in the housing wall pivotally.
  • the adjusting device comprises an adjusting ring which, in the axial direction offset from a bearing plate in which the guide vanes are pivotably supported by an axis, is rotatably mounted on the inner circumference via rollers.
  • the rollers are cantilevered on bearing axles, which are arranged in a housing wall of the exhaust gas turbocharger.
  • On the free end of the axis of the vanes sits an adjusting lever which has a groove at its radially outward-facing end. In this engages an axially directed pin which is inserted in the end face of the adjusting ring.
  • the adjusting device requires a smaller radial space, but the required axial space is significantly larger.
  • the transmission elements cause considerable friction losses and cause due to their axial distances considerable moments, which burden the components in addition to the necessary transmission forces.
  • the invention has for its object to provide a short-built, smooth adjusting device. It is achieved according to the invention by the features of claim 1. Further advantageous embodiments will be apparent from the dependent claims.
  • the adjusting ring of the adjusting device is mounted by means of bearing balls on the outer circumference of the bearing plate, wherein the bearing balls are guided in a ball cage.
  • the bearing balls, which run in ball raceways of the bearing plate and the adjusting ring are held by the ball cage at a distance and cause minimal friction losses.
  • the space is used optimally both in the radial and in the axial direction, especially if according to the invention, the adjusting levers are arranged in niches of the bearing plate, the front side and the periphery are open and allow pivotal movement of the lever.
  • the bearing balls are provided in the areas between the niches and are held by the ball cage in position, which is coupled by means of a built-in cage stop member to the movement of the adjusting lever and has recesses for the lever.
  • the axial space can be reduced without increasing the radial space.
  • the axial distance between the center of the bearing ball and the point of application of the lever is very low, resulting in only very small, negligible moments, which hardly affect the friction behavior of the actuator.
  • the ball cage has embossed spherical caps.
  • a lubricant film can build up on the contact surfaces between the bearing balls and the spherical caps during the movement.
  • a drive lever is non-rotatably mounted on a drive shaft, which is also rotatably mounted in the bearing plate. He engages with its free end in a recess of the adjusting ring.
  • the drive lever can thus be arranged in the same plane as the adjusting lever, so that it does not require additional axial or radial space.
  • An adjusting device 10 essentially comprises an adjusting ring 11, a plurality of adjusting levers 14 and a drive lever 28.
  • the adjusting ring 11 is mounted on the outer circumference of a bearing plate 18 by means of a plurality of bearing balls 20.
  • the bearing balls 20 run on the one hand in a ball track 25 of the bearing plate 18 and in a ball track 26 of the adjusting ring 11. They are guided by a ball cage 21 and kept at a distance. This has in the region of the bearing balls 20 embossed spherical caps 22nd
  • the adjusting ring 11 is driven by the drive lever 28, which sits at one end on a drive shaft 29 rotatably, which is rotatably mounted in the bearing plate 18.
  • the drive shaft 29 is actuated by an actuator, not shown.
  • the other end of the drive lever 28 engages with a head 15 in a corresponding recess 12 of the adjusting ring 11. In a pivoting movement of the drive lever 28 about the drive shaft 29 of the adjusting ring 11 is adjusted by a limited rotation angle range.
  • the free end of the adjusting lever 14 have heads 15 which engage in corresponding recesses 12 of the adjusting ring 11 and are thus entrained in an adjustment of the adjusting ring 11 and transmit the adjusting movement to the axes 17.
  • the adjusting lever 14 and the drive lever 28 are housed in niches 19 of the bearing plate 18. These are open to the front and the periphery and allow for sufficient pivotal movement of the lever 14, 28 to.
  • the niches 19 extend axially into the region of the ball track 25, so that the axial distance 27 between the center of the bearing ball 20 and the resulting point of application of the heads 15 of the adjusting lever 14 and the drive lever 28 is very small, whereby the 27 caused by the distance moments are also very small.
  • the bearing balls 20 move in areas 24 between two adjacent niches 19.
  • the bearing balls 20 can be brought from the niches 19 into position before the stop element 23 and thus the ball cage 21 is determined by the mounting of the adjusting lever 14 on the axes 17 in its position. So that the ball cage 21 does not impair the freedom of movement of the adjusting levers 14 and of the drive lever 28, it has corresponding recesses 30 in the area of the recesses 19 (FIG. 4).
  • the outer circumference 13 of the adjusting ring 11 between the recesses 12 is at least partially reduced in diameter. However, this is not expedient in the region of the drive lever 28 and the adjacent adjustment lever 14, in which the recesses 12 are very close to each other.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)

Claims (4)

  1. Dispositif de réglage (10) pour des aubes directrices d'un turbocompresseur à gaz d'échappement qui sont logées de manière pivotante dans une plaque d'appui (18) à l'aide des axes (17) fixée au boîtier, les axes (17) étant reliés de manière à résister à la rotation à des leviers de réglage (14) dont les extrémités libres viennent en prise dans des évidements (12) d'une bague de réglage (11) qui est logée de manière rotative dans le boîtier à l'aide de corps de roulement (20) et qui est déplaçable au moyen d'un levier de commande (28) sur un angle de rotation limité, la bague de réglage (11) étant logée sur le pourtour de la plaque d'appui (18) à l'aide de billes de roulement (20) et les billes de roulement (20) étant guidées dans une cage à billes (21),
    caractérisé en ce que
    les leviers de réglage (14) sont disposés dans des niches (19) de la plaque d'appui (18) qui sont ouvertes du côté frontal et en direction du pourtour et qui permettent un mouvement pivotant des leviers de réglage (14), les billes de roulement (20) étant prévues dans des zones (24) entre les niches (19) et étant positionnées par la cage à billes (21) avec l'élément de butée (23) de celle-ci qui comprend des évidements (30) pour les leviers de réglage (14) et qui est couplé à la vitesse de déplacement des leviers de réglage (14) par l'articulation de l'élément de butée (23) sur la moitié de la longueur des leviers de réglage (14) de telle manière que les billes de roulement (20) et la cage à billes (21) se déplacent à la moitié de la vitesse périphérique de la bague de réglage (11).
  2. Dispositif de réglage (10) selon la revendication 1,
    caractérisé en ce que
    le levier de commande (28) est disposé dans une niche (19) de la plaque d'appui (18) qui est ouverte du côté frontal et en direction du pourtour et qui permet un mouvement pivotant des leviers de réglage (14) et qui s'appuie de manière à résister à la rotation sur un arbre d'entraînement (29) qui est logé de manière rotative dans la plaque d'appui (18), le levier de commande venant en prise avec son extrémité libre dans un évidement (12) de la bague de réglage (11) et la cage à billes (21) pour le levier de commande (28) comportant un évidement (30).
  3. Dispositif de réglage (10) selon la revendication 1 ou 2,
    caractérisé en ce que
    la cage à billes (21) comporte des calottes à billes estampées (22) dans lesquelles sont guidées les billes de roulement (20).
  4. Dispositif de réglage (10) selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le diamètre du pourtour extérieur (13) de la bague de réglage (11) est réduit au moins partiellement entre les évidements (12).
EP20050019633 2004-09-11 2005-09-09 Callage de superchargeur Expired - Lifetime EP1635041B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200410043927 DE102004043927A1 (de) 2004-09-11 2004-09-11 Stelleinrichtung für Leitschaufeln eines Abgasturboladers

Publications (2)

Publication Number Publication Date
EP1635041A1 EP1635041A1 (fr) 2006-03-15
EP1635041B1 true EP1635041B1 (fr) 2008-01-02

Family

ID=35455952

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20050019633 Expired - Lifetime EP1635041B1 (fr) 2004-09-11 2005-09-09 Callage de superchargeur

Country Status (2)

Country Link
EP (1) EP1635041B1 (fr)
DE (2) DE102004043927A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009057663A1 (de) 2009-12-09 2011-06-16 Ihi Charging Systems International Gmbh Verstelleinrichtung für eine Aufladeeinrichtung, insbesondere für einen Abgasturbolader
WO2011118881A1 (fr) * 2010-03-26 2011-09-29 (주)계양정밀 Dispositif à injection variable d'un turbocompresseur
WO2011118880A1 (fr) * 2010-03-26 2011-09-29 (주)계양정밀 Dispositif à injection variable d'un turbocompresseur

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH698928B1 (de) * 2006-05-18 2009-12-15 Man Diesel Se Leitapparat für eine axial angeströmte Turbine eines Abgasturboladers.
BRPI0709404B1 (pt) * 2006-05-19 2019-08-06 Borgwarner Inc. Turboalimentador e grade-guia para turboalimentador
ITCO20110034A1 (it) 2011-08-31 2013-03-01 Nuovo Pignone Spa Igv compatto per applicazione in turboespansore

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2860827A (en) 1953-06-08 1958-11-18 Garrett Corp Turbosupercharger
CA1270120A (fr) * 1985-12-11 1990-06-12 Alliedsignal Inc. Suspension pour mecanisme de commande du clapet pivotant d'un turbocompresseur a buse variable
DE10035762A1 (de) 2000-07-22 2002-01-31 Daimler Chrysler Ag Abgasturbolader für eine Brennkraftmaschine und Verfahren zum Betrieb eines Abgasturboladers
DE10238412A1 (de) * 2002-08-22 2004-03-04 Volkswagen Ag Turbolader mit variabler Turbinengeometrie
DE50205914D1 (de) * 2002-08-26 2006-04-27 Borgwarner Inc Verstellbares Leitgitter für eine Turbineneinheit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009057663A1 (de) 2009-12-09 2011-06-16 Ihi Charging Systems International Gmbh Verstelleinrichtung für eine Aufladeeinrichtung, insbesondere für einen Abgasturbolader
WO2011118881A1 (fr) * 2010-03-26 2011-09-29 (주)계양정밀 Dispositif à injection variable d'un turbocompresseur
WO2011118880A1 (fr) * 2010-03-26 2011-09-29 (주)계양정밀 Dispositif à injection variable d'un turbocompresseur
KR20110108205A (ko) * 2010-03-26 2011-10-05 (주)계양정밀 터보차져의 가변노즐장치

Also Published As

Publication number Publication date
DE502005002383D1 (de) 2008-02-14
EP1635041A1 (fr) 2006-03-15
DE102004043927A1 (de) 2006-04-13

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