WO2021155881A1 - Appareil de guidage réglable pour une section de guidage de gaz d'échappement d'un turbocompresseur à gaz d'échappement, section de guidage de gaz d'échappement destinée à un turbocompresseur à gaz d'échappement et turbocompresseur à gaz d'échappement - Google Patents

Appareil de guidage réglable pour une section de guidage de gaz d'échappement d'un turbocompresseur à gaz d'échappement, section de guidage de gaz d'échappement destinée à un turbocompresseur à gaz d'échappement et turbocompresseur à gaz d'échappement Download PDF

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Publication number
WO2021155881A1
WO2021155881A1 PCT/DE2021/100068 DE2021100068W WO2021155881A1 WO 2021155881 A1 WO2021155881 A1 WO 2021155881A1 DE 2021100068 W DE2021100068 W DE 2021100068W WO 2021155881 A1 WO2021155881 A1 WO 2021155881A1
Authority
WO
WIPO (PCT)
Prior art keywords
exhaust gas
ring
section
guide
adjustable
Prior art date
Application number
PCT/DE2021/100068
Other languages
German (de)
English (en)
Inventor
Viktor Kühne
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
Priority to DE112021000919.2T priority Critical patent/DE112021000919A5/de
Publication of WO2021155881A1 publication Critical patent/WO2021155881A1/fr

Links

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
    • 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

Definitions

  • the invention relates to an adjustable diffuser for an exhaust gas routing section of an exhaust gas turbocharger according to the preamble of claim 1 and an exhaust gas routing section for an exhaust gas turbocharger according to claim 13 and an exhaust gas turbocharger according to claim 14.
  • the guide apparatus has a number of adjustable guide vanes which are positioned in a nozzle channel in the exhaust gas guide section, upstream of a wheel chamber in the exhaust gas guide section in which the turbine wheel is rotatably accommodated.
  • the guide apparatus has a bearing ring with a plurality of guide vanes, the guide vanes being rotatably mounted on the bearing ring with the aid of guide vane shafts.
  • Adjusting levers which are designed to be able to engage in a rotary ring, are assigned to the guide vane shafts.
  • the rotating ring has recesses to accommodate the adjusting lever.
  • Each adjusting lever is movably received with its end facing the recess in a recess assigned to it.
  • the corresponding adjusting lever is moved and the guide vane assigned to the adjusting lever is rotated securely, since the adjusting lever is firmly connected to the guide vane at its end facing away from the recess. So that the adjustment lever can be moved is An at least point-like contact is formed between the recess and the adjusting lever, which leads to friction losses during the movement of the adjusting lever and wear on the adjusting levers and / or rotating ring.
  • utility model DE 202016 103 778 U1 reveals an adjustable diffuser whose rotating ring has a wear protection layer containing nitride or boron.
  • the invention is based on the object of providing an adjustable diffuser for an exhaust gas routing section of an exhaust gas turbocharger, which is characterized by a longer service life than the prior art, which can be brought about in particular with the aid of simple measures. Further objects of the invention are the provision of an exhaust gas routing section for an exhaust gas turbocharger, which has increased operational reliability, and the specification of an exhaust gas turbocharger with a significantly improved degree of efficiency.
  • the invention relates to an adjustable guide apparatus for an exhaust gas guide section of an exhaust gas turbocharger, which comprises a bearing ring with a plurality of guide vanes, the guide vanes being rotatably mounted on the bearing ring with the aid of guide vane shafts.
  • Each guide vane shaft is assigned an adjusting lever for rotating the guide vane, the end region facing away from the guide vane engaging in a rotating ring of the adjustable guide vane rotatable about a central axis of the adjustable guide vane.
  • To engage the adjustment lever in the Rotary ring has these recesses, each adjusting lever being assigned a recess.
  • an insert element is arranged in the recess, the adjusting lever being at least partially received in the insert element, whereby a service life of the adjustable guide apparatus can be extended.
  • the adjustable diffuser is exposed to a high temperature load, since it is accommodated in a section of the exhaust gas turbocharger through which exhaust gas flows, the exhaust gas guide section.
  • temperatures up to 950 ° C. and possibly more can occur here.
  • the friction between components of the adjustable nozzle that is in contact during operation of the adjustable nozzle must be taken into account, which, in addition to its influence on the efficiency of the exhaust gas turbocharger, has a major influence on the wear of the components in contact.
  • Friction pairings formed in the adjustable diffuser are, for example, the adjusting levers received in the rotating ring, since they are movably received in the recesses of the rotating ring.
  • Friction pairings formed in the adjustable diffuser are, for example, the adjusting levers received in the rotating ring, since they are movably received in the recesses of the rotating ring.
  • the insert element can be manufactured in the form of a sliding bearing element for low-wear mounting of the rotary ring on the bearing ring. This can be achieved by forming convex surfaces of the insert element which are in contact with the bearing ring or the surfaces on the bearing ring intended for storage.
  • the insert element is positively connected to the rotating ring, in particular received in a positively locking manner in the recess.
  • the positive connection of the insert element with the rotating ring can realize a simple and secure connection of the two components.
  • the recess has a trapezoidal cross-section in the circumferential direction, whereby a secure positioning of the insert element in the rotating ring can be achieved.
  • the cross section is designed to taper towards radial side surfaces of the rotating ring. In this way, in particular, radial deposition of the insert element is prevented in a simple manner.
  • the structure of the rotating ring of the adjustable guide apparatus according to the invention is also simple, that is, also with the provision of the secure reception of the insert elements, and can be produced with little distortion, for example in the form of a stamped component.
  • the insert element is designed, for example, with a cross-section that is U-shaped in the axial direction.
  • the insert element can be pushed into the recess with the aid of a shoulder formed on its side surfaces, which is also designed in the form of a groove, the rotating ring engaging in the shoulder and being arranged to be supported on it.
  • the insert element has the shoulder on its side surface facing the rotating ring, preferably on its two side surfaces, with the aid of which it can be supported on the rotating ring.
  • the bearing ring has a sliding ring arranged opposite the rotating ring in the axial direction, the insert element being arranged on a first sliding ring surface of the sliding ring formed opposite the rotating ring.
  • the advantage of the sliding ring can be seen in the fact that the sliding ring can be produced independently and therefore from a different material than the bearing ring. It is thus possible to also design a surface of the sliding ring opposite the rotating ring with reduced wear, or to manufacture the sliding ring from a material with reduced wear. In this way, the wear on the rotating ring, provided it is in contact with the sliding ring, can be reduced.
  • the insert elements which are in contact with the sliding ring and which are in contact with the sliding ring in the form of sliding bearing elements also have reduced wear due to the wear-reduced material.
  • the rotating ring can be designed axially spaced from the sliding ring with the aid of the insert elements and the insert elements as sliding bearing elements only have contact with the rotating ring. If no sliding ring is formed, the insert elements have direct contact with the bearing ring. With the help of the insert elements, however, the friction between the rotating ring and the bearing ring is already reduced without the sliding ring, since only the insert elements are in contact with the bearing ring. The reduction in friction and thus in wear is given in particular if the insert element is made from a ceramic material.
  • the insert element is made of a ceramic material, a particularly friction-reduced and thus wear-reduced adjustable diffuser can be produced in a simple manner, whereby a further extension of the service life can be realized.
  • the sliding ring has an L-shaped axial cross section, a radial and axial low-wear and secure guidance of the insert elements is implemented.
  • the sliding ring is preferably manufactured inexpensively from a rolled material which, in particular, additionally has a work-hardened surface with very low roughness depths, as a result of which the friction and wear can be further reduced.
  • the rotary ring has a further recess for receiving an actuator lever.
  • the insert element is also arranged between the actuator lever and the rotating ring, which advantageously reduces wear and friction losses and thus further increases the service life.
  • Another aspect of the invention relates to an exhaust gas routing section for an exhaust gas turbocharger, with a turbine wheel rotatably received in a wheel chamber of the exhaust gas routing section.
  • An adjustable diffuser is arranged in the exhaust gas routing section upstream of the turbine wheel.
  • the adjustable diffuser is designed according to one of claims 1 to 12, whereby, due to the reduced friction of the adjustable diffuser, an increase in efficiency can advantageously be achieved in the operation of the exhaust gas turbocharger due to better control behavior and lower actuation forces when adjusting the guide vanes.
  • an exhaust gas turbocharger according to the invention with the exhaust gas routing section according to the invention is characterized by a particularly high degree of efficiency due to the reduction in friction losses. This in turn leads to one, in particular in connection with one provided in vehicles Internal combustion engine, reduction of exhaust gas emissions, since an increase in the efficiency of the exhaust gas turbocharger can lead to further optimized coordination between the exhaust gas turbocharger and the internal combustion engine.
  • FIG. 1 shows a perspective view of an adjustable diffuser according to the invention in a first embodiment with an insert element in a first variant
  • FIG. 2 shows a further perspective view of a section of the diffuser according to the invention without a rotating ring
  • FIG. 3 in a plan view of a section of the diffuser like. Fig. 1,
  • 5 shows a side view of the insert element of the diffuser according to the invention in a second variant
  • 6 shows the insert element of the diffuser according to the invention in a third variant in a view from below
  • FIG. 7 shows the insert element of the diffuser according to the invention in a fourth variant in a perspective view
  • FIG. 8 shows a plan view of a detail of the diffuser according to the invention in a second embodiment.
  • An exhaust gas routing section of an exhaust gas turbocharger 1, not shown in detail, is provided in an exhaust gas tract (not shown in detail) of an internal combustion engine (not shown in detail), which can be a gasoline engine or a diesel engine.
  • the exhaust gas turbocharger 1 also has a flow through which is not shown in detail
  • Fresh air guide section which is arranged in an intake tract, not shown, of the internal combustion engine, and a bearing section not shown.
  • the exhaust gas turbocharger 1 has a rotor, not shown, which comprises a compressor wheel, not shown, for sucking in and compressing combustion air, a turbine wheel, not shown, for expanding exhaust gas, and a shaft, not shown, with an axis of rotation that connects the compressor wheel to the turbine wheel in a rotationally fixed manner .
  • the shaft is rotatably mounted in the bearing section of the exhaust gas turbocharger 1, which is positioned between the fresh air guide section and the exhaust gas guide section.
  • an inlet duct (not shown) is formed in the exhaust gas routing section.
  • the inlet duct is used to condition the exhaust gas, which sets the turbine wheel in a rotating motion when the internal combustion engine is in operation. With the help of the shaft, the compressor wheel is also set in rotation so that it sucks in combustion air and compresses it.
  • a spiral channel Downstream of the inlet channel, a spiral channel, not shown in detail, is arranged in the exhaust gas guide section, which is used to provide a rotationally symmetrical flow. Furthermore, the spiral channel is designed as a connecting channel between the inlet channel and a nozzle channel, not shown in detail, which is positioned downstream of the spiral channel.
  • a wheel chamber (not shown in more detail) is provided in the exhaust gas guide section, in which the turbine wheel is rotatably received. Downstream of the wheel chamber, the exhaust gas routing section has an outlet duct (not shown in greater detail) for the exhaust gas to escape from the exhaust gas routing section.
  • adjustable diffuser an adjustable diffuser 2 hereinafter referred to as adjustable diffuser, which is arranged in the exhaust gas routing section is.
  • FIG. 1 An adjustable diffuser 2 according to the invention is designed according to FIG. 1.
  • the adjustable diffuser 2 according to the invention which has a central axis 30, is illustrated in a perspective detail, a rotating ring 3 of the adjustable diffuser 2 that is designed to be rotatable about the central axis 30 is not shown.
  • the adjustable diffuser 2 is designed to encompass the turbine wheel in a ring shape and has a bearing ring 4 for the rotatable mounting of guide vanes 5, which are provided for flow conditioning.
  • the bearing ring 4 is positioned in the exhaust gas routing section in such a way that the guide vanes 5 are arranged in the nozzle channel upstream of the turbine wheel.
  • a retaining ring 6 Positioned opposite the bearing ring 4 is a retaining ring 6, which can be designed in the form of a cassette in the exhaust gas routing section to simplify the assembly of the diffuser 2.
  • the retaining ring 6 and the bearing ring 4 are arranged coaxially, wherein Between the bearing ring 4 and the retaining ring 6 for reducing and in particular eliminating a change in distance between the two rings 4, 6 leading to the jamming of the guide vanes 5, spacer elements 41 are arranged.
  • a guide vane shaft 7 is provided for each guide vane 5, which is non-rotatably connected to the guide vane 5 and which is rotatably mounted in the bearing ring 4 and is received in a bearing opening 8 which penetrates the bearing ring 4 completely in the axial direction.
  • the guide vane shaft 7 has an adjusting lever 9 at its end facing away from the guide vane 5, which is also connected to the guide vane shaft 7 in a rotationally fixed manner.
  • the adjusting levers 9 are arranged on a side of the bearing ring 4 that is remote from the guide vanes 5.
  • the rotary movement of the guide vanes 5 can be initiated with the aid of the rotary ring 3, which is positioned coaxially with the bearing ring 4 in the adjustable guide apparatus 2.
  • the rotating ring 3 has recesses 10, in which the adjusting levers 9 are designed to be engaged, with the end region 13 of the adjusting lever 9, which faces away from the guide vane shaft 7, ideally being provided for engaging the corresponding recess 10.
  • the rotating ring 3 has a further recess 11 which is used to receive an actuator lever 12 which is designed to be operatively connected to an actuator (not shown in more detail). A movement of the actuator lever 12 leads to a rotary movement of the rotary ring 3 and thus to the adjustment of the guide vanes 5.
  • That Insert element 18 is formed from a wear-resistant and temperature-resistant, in particular high-temperature-resistant material. It could also have a wear-reducing coating on its surfaces facing the side surfaces 14, 15, for example a nitrided layer or boron layer. It could also be surface-hardened.
  • the insert element 18 is made from a ceramic material.
  • the insert element 18 is basically U-shaped in the axial direction and has a bottom element 19 which is delimited in the circumferential direction by a first side element 20, which extends axially relative to the bottom element 19, and a second side element 21, which also extends in the axial direction.
  • a receiving opening 22 for receiving the end area 13, in which the end area 13 is arranged, is thus formed between the bottom element 19 and the side elements 20, 21.
  • the insert elements 18, an insert element 18 is assigned to each adjusting lever 9, are arranged opposite the bearing ring 4 and serve as sliding bearing elements because they are arranged on the bearing ring 4 so as to be displaceable in the circumferential direction and with the rotating ring 3 are firmly connected.
  • This can be implemented with the aid of a force-locking and / or form-locking and / or material-locking connection.
  • the bearing ring 4 has an annular shoulder 29 on which the insert elements 18 are supported in the radial direction, in the direction of the central axis 30, which corresponds to an axis of rotation of the running gear. In the direction facing away from the central axis 30, the insert elements 18 are limited by the rotating ring 3.
  • the adjustable guide apparatus 2 shown in a first exemplary embodiment in FIGS. 1 to 3, has a sliding ring 23, which is formed on the bearing ring 4, on its side facing the adjusting levers 9 Bearing ring surface 24 is arranged.
  • the sliding ring 23 is positioned opposite the rotating ring 3.
  • the sliding ring 23 has an L-shaped cross section in the axial direction, a first ring section 25 extending in the radial direction and a second ring section 26 extending predominantly in the axial direction compared to the first ring section 25.
  • the sliding ring 23 is fully formed and preferably made of a rolled material.
  • the insert element 18 is arranged on a first sliding ring surface 27 of the sliding ring 23 formed opposite the rotating ring 3, the sliding ring 23 serving for an axial and radial positioning of the insert elements 18.
  • a second sliding ring surface 28 that faces away from the first sliding ring surface 27 is used for the fixed connection to the bearing ring 4.
  • the insert elements 18 are fixedly arranged in the recesses 10, in particular connected to them in a form-fitting manner.
  • the insert element 18 has a shoulder 31 on each of its side elements 20, 21, with the aid of which a receiving groove 32 is formed in a first variant, as illustrated in particular in FIGS. 2, 4 and 5.
  • the receiving groove 32 serves to securely receive the insert element 18 in a form-fitting manner in the recess 10 of the rotating ring 3.
  • the further recess 11 which is designed to receive the actuator lever 12, also has the insert element 18.
  • the insert element 18 is shown in a side view in a second variant.
  • the bottom element 19 has an element surface 33 that faces away from the receiving opening 22, which is convexly curved relative to the receiving opening 22 and / or in its surface sections 34, 35, a first surface section 34 and a second surface section 35, formed in the area of the side elements 20, 21. is designed to have a bevel. So results If the bottom element 19 is curved, there is the possibility of at least one line contact, preferably a point contact, between the insert element 18 and the sliding ring 23, whereby the friction and also the wear can be further reduced.
  • the insert element 18 of the diffuser 2 according to the invention is shown in a third variant in a bottom view, the bearing ring 4 facing sliding surfaces 37 of the side elements 20, 21 for bringing about a line contact with the bearing ring 4, or if, as in the first embodiment the sliding ring 23 is formed, the line contact between the sliding surfaces 37 and the sliding ring 23 is present, whereby the wear and the friction can be additionally reduced.
  • the insert element 18 has an H-shaped cross section, whereby the bearing surface 36 formed between the sliding ring 23 or, if no sliding ring 23 is formed, between the bearing ring 4 continues can be reduced.
  • the shoulder 31, which serves to securely receive the insert element 18 in the rotating ring 3 is realized with the aid of outer surfaces 38 of the side elements 20, 21, a first outer surface section 39 of the outer surface 38 to a second outer surface section 40 of the Outer surface 38 is designed inclined in the radial and / or circumferential direction, whereby the shoulder 31 can be formed.
  • Fig. 8 the diffuser 2 according to the invention is shown in detail in a second embodiment.
  • the recesses 10 have a trapezoidal cross-section in the circumferential direction, the cross-section tapering in the direction of the central axis 30.
  • the further recess 11, the cross-section of which is also trapezoidal, has the tapering of the cross-section in the direction facing away from the central axis 30.
  • the cross section of the insert element 18 is complementary below Creation of a secured, in particular form-fitting, receptacle in the rotating ring 3 designed for the cross-section.
  • the insert element 18 can be mounted in the axial direction in the recess 10 or the further recess 11, the shoulder 31 representing a stop in the axial direction for an axial displacement of the insert element 18 relative to the rotary ring 3, whereby the insert element 18 is pushed into the recess 10 or the further recess 11 is limited.
  • the assembly of the adjustable diffuser 2 according to the invention is easy to carry out and, due to the secured position of the insert elements 18, an operationally reliable adjustable diffuser 2 with a simultaneously improved service life by reducing wear can be realized.
  • the resulting reduction in friction and wear also leads to an improvement in the function of the adjustable guide apparatus 2, which can also be seen, for example, in the form of a reduced adjustment time of the guide vanes, whereby an operation of the exhaust gas turbocharger can be further optimized in relation to the internal combustion engine. This in turn can lead to a further reduction in exhaust emissions.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Supercharger (AREA)

Abstract

L'invention concerne un appareil de guidage réglable pour une section de guidage de gaz d'échappement d'un turbocompresseur à gaz d'échappement, comprenant une bague de palier (4) ayant une pluralité d'aubes de guidage (5), les aubes de guidage (5) étant montées rotatives sur la bague de palier (4) au moyen d'arbres d'aubes de guidage (7) et un levier de réglage (9) étant associé à chaque arbre d'aube de guidage (7) pour la rotation de l'aube de guidage (5) ; la région d'extrémité (13), opposée à l'aube directrice (5), dont le levier de réglage vient en prise dans une bague rotative (3) de l'appareil de guidage réglable (2), ladite bague rotative pouvant tourner autour d'un axe central (30) de l'appareil de guidage réglable (2), pour la mise en prise du levier de réglage (9) dans la bague rotative (3), cette dernière (3) présentant des évidements (10) associés à chaque levier de réglage (9). Selon l'invention, un élément d'insertion (18) est disposé dans l'évidement (10) pour réduire l'usure et le frottement entre le levier de réglage (9) et l'anneau rotatif (3), le levier de réglage (9) étant logé au moins en partie dans l'élément d'insertion (18). L'invention concerne en outre une section de guidage de gaz d'échappement destinée à un turbocompresseur à gaz d'échappement et un turbocompresseur à gaz d'échappement.
PCT/DE2021/100068 2020-02-07 2021-01-25 Appareil de guidage réglable pour une section de guidage de gaz d'échappement d'un turbocompresseur à gaz d'échappement, section de guidage de gaz d'échappement destinée à un turbocompresseur à gaz d'échappement et turbocompresseur à gaz d'échappement WO2021155881A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112021000919.2T DE112021000919A5 (de) 2020-02-07 2021-01-25 Verstellbarer Leitapparat für einen Abgasführungsabschnitt eines Abgasturboladers, Abgasführungsabschnitt für einen Abgasturbolader und Abgasturbolader

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020103215.3A DE102020103215A1 (de) 2020-02-07 2020-02-07 Verstellbarer Leitapparat für einen Abgasführungsabschnitt eines Abgasturboladers, Abgasführungsabschnitt für einen Abgasturbolader und Abgasturbolader
DE102020103215.3 2020-02-07

Publications (1)

Publication Number Publication Date
WO2021155881A1 true WO2021155881A1 (fr) 2021-08-12

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PCT/DE2021/100068 WO2021155881A1 (fr) 2020-02-07 2021-01-25 Appareil de guidage réglable pour une section de guidage de gaz d'échappement d'un turbocompresseur à gaz d'échappement, section de guidage de gaz d'échappement destinée à un turbocompresseur à gaz d'échappement et turbocompresseur à gaz d'échappement

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DE (2) DE102020103215A1 (fr)
WO (1) WO2021155881A1 (fr)

Families Citing this family (1)

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Publication number Priority date Publication date Assignee Title
IT202200003599A1 (it) * 2022-02-25 2023-08-25 Nuovo Pignone Tecnologie Srl Vani di guida di ingresso variabili per una turbomacchina, turbomacchina comprendente gli stessi e metodo

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EP1669548A1 (fr) * 2004-12-08 2006-06-14 ABB Turbo Systems AG Système d'aubes de guidage réglable pour une turbine à gaz
DE102009008531A1 (de) * 2009-02-11 2010-08-12 Bosch Mahle Turbo Systems Gmbh & Co. Kg Verstellring für eine Ladeeinrichtung, insbesondere für einen Abgasturbolader eines Kraftfahrzeugs
DE102014203498A1 (de) 2013-03-01 2014-09-04 Ihi Corporation Verstellbare Düseneinheit und Turbolader mit verstellbarer Geometrie
WO2014208734A1 (fr) * 2013-06-27 2014-12-31 大同精密工業株式会社 Anneau de conjugaison à élément coulissant, élément coulissant l'utilisant, procédé de fabrication d'anneau de conjugaison à élément coulissant
DE202016103778U1 (de) 2016-07-13 2016-07-27 Bosch Mahle Turbo Systems Gmbh & Co. Kg Verstellring einer variablen Turbinengeometrie
EP3073064A1 (fr) * 2006-05-19 2016-09-28 BorgWarner, Inc. Turbocompresseur
EP3118421A1 (fr) * 2015-07-16 2017-01-18 Bosch Mahle Turbo Systems GmbH & Co. KG Géometrie variable de compresseur ou de turbines pour une turbosoufflante

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DE102004057864A1 (de) 2004-11-30 2006-06-01 Borgwarner Inc.(N.D.Ges.D.Staates Delaware), Auburn Hills Abgasturbolader, Leitapparat für einen Abgasturbolader sowie Schaufelhebel für einen Leitapparat
DE102009014917A1 (de) 2009-03-25 2010-09-30 Bosch Mahle Turbo Systems Gmbh & Co. Kg Ladeeinrichtung
US9874106B2 (en) 2015-10-21 2018-01-23 Borgwarner Inc. VTG lever positive displacement press joint

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Publication number Priority date Publication date Assignee Title
EP1669548A1 (fr) * 2004-12-08 2006-06-14 ABB Turbo Systems AG Système d'aubes de guidage réglable pour une turbine à gaz
EP3073064A1 (fr) * 2006-05-19 2016-09-28 BorgWarner, Inc. Turbocompresseur
DE102009008531A1 (de) * 2009-02-11 2010-08-12 Bosch Mahle Turbo Systems Gmbh & Co. Kg Verstellring für eine Ladeeinrichtung, insbesondere für einen Abgasturbolader eines Kraftfahrzeugs
DE102014203498A1 (de) 2013-03-01 2014-09-04 Ihi Corporation Verstellbare Düseneinheit und Turbolader mit verstellbarer Geometrie
WO2014208734A1 (fr) * 2013-06-27 2014-12-31 大同精密工業株式会社 Anneau de conjugaison à élément coulissant, élément coulissant l'utilisant, procédé de fabrication d'anneau de conjugaison à élément coulissant
EP3118421A1 (fr) * 2015-07-16 2017-01-18 Bosch Mahle Turbo Systems GmbH & Co. KG Géometrie variable de compresseur ou de turbines pour une turbosoufflante
DE202016103778U1 (de) 2016-07-13 2016-07-27 Bosch Mahle Turbo Systems Gmbh & Co. Kg Verstellring einer variablen Turbinengeometrie

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Publication number Publication date
DE112021000919A5 (de) 2023-01-05
DE102020103215A1 (de) 2021-08-12

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