WO2014000867A1 - Turbomachine pour convertisseur d'énergie et dispositif à pile à combustible comprenant une telle turbomachine - Google Patents

Turbomachine pour convertisseur d'énergie et dispositif à pile à combustible comprenant une telle turbomachine Download PDF

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Publication number
WO2014000867A1
WO2014000867A1 PCT/EP2013/001779 EP2013001779W WO2014000867A1 WO 2014000867 A1 WO2014000867 A1 WO 2014000867A1 EP 2013001779 W EP2013001779 W EP 2013001779W WO 2014000867 A1 WO2014000867 A1 WO 2014000867A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
turbomachine
compressor
fuel cell
wheel
Prior art date
Application number
PCT/EP2013/001779
Other languages
German (de)
English (en)
Inventor
Andreas Knoop
Original Assignee
Daimler 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 Daimler Ag filed Critical Daimler Ag
Publication of WO2014000867A1 publication Critical patent/WO2014000867A1/fr

Links

Classifications

    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • 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
    • F01D25/18—Lubricating arrangements
    • F01D25/22—Lubricating arrangements using working-fluid or other gaseous fluid as lubricant
    • 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
    • F01D3/00—Machines or engines with axial-thrust balancing effected by working-fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/024—Units comprising pumps and their driving means the driving means being assisted by a power recovery turbine
    • 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
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/051—Axial thrust balancing
    • F04D29/0513—Axial thrust balancing hydrostatic; hydrodynamic thrust bearings
    • 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
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/057—Bearings hydrostatic; hydrodynamic
    • 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
    • F05D2240/00—Components
    • F05D2240/50—Bearings
    • F05D2240/52—Axial thrust bearings
    • 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
    • F05D2260/60—Fluid transfer

Definitions

  • the invention relates to a turbomachine for an energy converter according to the preamble of patent claim 1 and fuel cell device with such a turbomachine.
  • DE 60 2004 012 546 T2 discloses a vacuum pump with a pump assembly, a shaft for driving the pump assembly, a motor for rotating the shaft and a bearing assembly.
  • the bearing assembly rotatably supports the shaft.
  • Bearing arrangement has a rolling bearing, which supports a first part of the shaft.
  • the bearing assembly further comprises a thrust bearing, which has a plurality of
  • Wälzommen accommodated which are in contact with an outer race of the rolling bearing and a race of the thrust bearing to resist axial movement of the bearing and to allow radial movement of the bearing.
  • Resulting bearing losses in particular in the form of friction losses, can be assigned to about 1/3 radial bearings and about 2/3 axial bearings. Due to the resulting losses, air bearings have a cooling air requirement, which is divided in proportion to the friction losses.
  • DE 10 2008 050 314 A1 discloses a generic turbomachine for an energy converter, in particular a fuel cell, as known.
  • the turbomachine has a compressor, by means of which the air to be supplied to the energy converter is to be compressed.
  • the turbomachine also has a turbine and a running tool.
  • the running tool comprises a compressor wheel of the compressor and a turbine wheel which can be driven by exhaust gas of the energy converter.
  • Fuel cell is the exhaust gas exhaust air of the fuel cell, by means of which the turbine wheel is driven.
  • the compressor is driven by the turbine wheel.
  • a storage device which at least one as
  • Point bearing trained thrust bearing comprises, by means of which the running gear is mounted in the axial direction. If the representation of a particularly low-loss storage of the running gear succeeds, the overall efficiency of the turbomachine can be considerably increased.
  • turbomachine wherein the turbomachine has a particularly high efficiency.
  • Patent claim 1 solved.
  • Advantageous embodiments with expedient and non-trivial developments of the invention are specified in the remaining claims.
  • At least one branch line fluidically connected to the compressor at a branching point arranged downstream of the compressor wheel, via which a wheel back of the turbine wheel can be acted upon by a pressure prevailing at the branching point.
  • This pressure is a compressor outlet pressure, which is guided from the compressor to Ramit the turbine wheel and thus to the turbine.
  • Branching the pressure or the compressed air and guiding the pressure or the air to the turbine allows at least partial compensation of the Compression resulting axial forces. Any remaining axial forces can be absorbed by the point bearing friction and low loss.
  • the point bearing is a so-called punctiform bearing, by means of which the running gear is mounted to form an at least substantially point-shaped contact in the axial direction between two bearing parts of the point bearing in the axial direction.
  • the invention also includes a fuel cell device, in particular for a motor vehicle, with at least one fuel cell as an energy converter for converting chemically bound energy of a fuel cell to be supplied fuel and an oxidant from the fuel cell supplied air into electrical energy, and with a flow machine according to the invention for supplying the fuel cell device, in particular for a motor vehicle, with at least one fuel cell as an energy converter for converting chemically bound energy of a fuel cell to be supplied fuel and an oxidant from the fuel cell supplied air into electrical energy, and with a flow machine according to the invention for supplying the
  • the turbomachine has a very high efficiency, so that the fuel cell can be supplied particularly efficiently with compressed air and thus operated efficiently.
  • Advantageous embodiments of the turbomachine according to the invention are to be regarded as advantageous embodiments of the fuel cell device according to the invention and vice versa.
  • Figure 1 is a schematic longitudinal sectional view of a turbomachine for an energy converter, with a running tool, which is mounted in the axial direction by means of point bearings, wherein a Rarier of a turbine wheel of the rotor tool is acted upon by a compressor outlet pressure.
  • Fig. 2a-c each detail a schematic side view of a respective
  • Embodiment of a point bearing for supporting the tool in the axial direction. 1 shows a turbomachine 10 for an energy converter in the form of a
  • Fuel cell of a fuel cell device The fuel cell is used to convert chemically bound energy of a fuel to be supplied to the fuel cell and an oxidant from the fuel cell to be supplied air into electrical energy.
  • the fuel cell device is for example in a motor vehicle
  • the motor vehicle also includes at least one electric motor for driving the motor vehicle.
  • the electrical energy can be used to drive the electric motor.
  • Electric motor supplied, for example, at least substantially directly electrical energy.
  • the electrical energy is stored in an electrical storage device, in particular in a battery, wherein the electric motor can be supplied with the electrical energy from the battery as needed.
  • the turbomachine 10 is used to compress the air to be supplied to the fuel cell, whereby a particularly efficient operation of the fuel cell device is made possible.
  • the turbomachine 10 comprises a compressor 12 with a compressor wheel 14 for compressing the air to be supplied to the fuel cell.
  • the compressor wheel 14 is accommodated in a housing 6 of the turbomachine 10 and is rotatable about a rotation axis 21 relative to the housing 16.
  • the compressor wheel 14 is assigned to a rotatable about the rotation axis 21 relative to the housing 16 rotatably mounted gear 20.
  • the turbomachine 10 also includes a turbine 22 having a turbine wheel 24 housed in the housing 16, which is rotatably mounted about the axis of rotation 21 relative to the housing 16. Also, the turbine wheel 24 is associated with the power tool 20.
  • a spiral channel 26 of the turbine 22 is formed, via which the turbine wheel 24 exhaust gas in the form of exhaust air of the fuel cell is supplied.
  • the exhaust air can flow to the turbine wheel 24 and drive.
  • a discharge channel 28 is further formed. The exhaust air flows the turbine wheel 24 in one
  • Turbine outlet 30 is discharged via the discharge channel 28 from the turbine 24.
  • the running gear 20 also includes a shaft 33, with which the turbine wheel 24 and the compressor wheel 14 are rotatably connected. So it is possible that the turbine 24th the compressor wheel 14 drives about the shaft 33 about the rotation axis 21. Thus, energy contained in the exhaust air can be used to compress the air to be supplied to the fuel cell.
  • a feed channel 32 is formed, via which the compressor wheel 14, the air is supplied in the axial direction. Further, a compressor-side spiral channel 34 is formed by the housing 16, via which the compressed air from
  • Compressor 14 is discharged.
  • the compressed air flows from the compressor wheel 14 in a compressor outlet region 36 and is discharged via the further spiral channel 34 from the compressor wheel 14. Downstream of the compressor wheel 14 in the compressor outlet region 36 is arranged a guide vane grille 38 for deflecting or deflecting the compressed air.
  • the housing 16 may be designed in several parts and comprise a compressor housing part 17 and a turbine housing part 18.
  • a bearing housing part 19 is provided, on which the power tool 20 is mounted. Further, for storage of the power tool 20 a
  • Storage device which for the radial mounting of the power tool 20 comprises a compressor-side, radial air bearing 40 and a turbine-side, radial air bearing 42.
  • the air bearings 40, 42 may be, for example, foil air bearings.
  • the turbomachine 10 further comprises an electric motor 44 with a motor stator 46 held on the housing 16 and with a motor rotor 48 rotatably connected to the running gear 20.
  • the electric motor 44 By means of the electric motor 44, the running tool 20 can be driven at relatively high rotational speeds even at relatively low mass flows of the exhaust air , so that even at relatively low mass flows very high degrees of compression of the air to be supplied to the fuel cell can be realized. Due to this possibility of driving the power tool 20 via the electric motor 44, the turbomachine 0 is also referred to as an electrically driven turbocharger.
  • the bearing device For axial mounting of the power tool 20, the bearing device comprises a first compressor-side point bearing 50 and a second, turbine-side point bearing 52.
  • the point bearing 50 includes a rotatably connected to the compressor 14 and thus about the axis of rotation 21 relative to the housing 16 with the compressor wheel co-rotating ball segment 54.
  • the point bearing 50 includes a with the ball segment 54th
  • the ball segment 56 is adjoined by a cylindrical shaft 58, which is provided on the outer peripheral side with an external thread. About the external thread of the shaft 58 is screwed into a corresponding internal thread of the holder 51. By rotating the shaft 58 about the rotation axis 21 relative to the holder 51, the ball segment 56 can be moved in the axial direction and thus adjusted relative to the ball segment 54, thereby a bearing clearance of the point bearing 50 is adjustable.
  • the turbine-side point bearing 52 comprises a rotatably connected to the turbine wheel 24 and thus with the turbine wheel 24 about the rotation axis 21 with rotatable ball segment 60 and one corresponding to the ball segment 60
  • Ball segment 62 which is held on the housing 6 via a holder 64.
  • the ball segment 62 is followed by a substantially cylindrical shaft 66, which is provided on the outer peripheral side with an external thread. Be over
  • the shaft 66 is screwed into a corresponding internal thread of the holder 64.
  • the ball segment 62 can be moved in the axial direction relative to the ball segment 60 and thereby adjusted, so that a bearing clearance of the point bearing 52 is adjustable.
  • this adjustability of the ball segments 56, 62 and an axial position of the rotor tool 20 in the housing 16 can be adjusted.
  • thermal expansion effects can be taken into account.
  • the pressure build-up is equally divided between these two components, ie the compressor wheel 14 and the vane grille 38.
  • the pressure acting on the Raell 68 pressure is smaller than a pressure prevailing in the spiral channel 34 pressure.
  • a branch line 72 is provided, which is fluidically connected to the compressor 12 at a branch point 74 arranged downstream of the compressor wheel 14 on the one hand. In the present case is the
  • Branch point 74 arranged in the spiral channel 34, so that the air and thus the pressure from the spiral channel 34 via the branch line 72 to the turbine 22 is performed.
  • the branch line 72 opens in the radial direction in the region of a Raley 76 of the turbine wheel 24, so that the Ra express 76 of the turbine 24 with the prevailing at the branch point 74 pressure from the spiral channel 34 can be acted upon.
  • the compressor outlet pressure can be impressed on the Raley 76 by the branch line 72, also referred to as bleed air line, so that the axial forces are at least largely compensated, although the surface of the Raley 76 is generally smaller than the surface of the Ramony 68.
  • Point bearings 50, 52 added.
  • the point bearings 50, 52 rather represent sliding bearings, by means of which the running gear 20 is slidably mounted in the axial direction.
  • bearing-side losses can be kept low, whereby the cooling air requirement can be kept very low.
  • the turbomachine 10 has a particularly simple structure, since widenings of the shaft 33 are not provided for axial air bearings. Furthermore, by impressing the compressor outlet pressure on the Raelle 76 penetration of moist exhaust gas of the fuel cell can be avoided in the turbomachine 10, whereby a very high electrical safety of the turbomachine 10 is ensured.
  • FIGS. 2 a and 2 b show different embodiments of the ball segments 54, 56.
  • the ball segments 54, 56 have at least substantially identical radii.
  • the radius of the ball segment 54 is greater than the radius of the ball segment 56.
  • FIG. 2c shows that the point bearings 50, 52 can also have other bearing parts 78, 80.
  • One of the bearing parts 78, 80 is held on the housing 16, while the other of the bearing parts 78, 80 with the compressor wheel 14 and the turbine wheel 24 is rotatably connected.
  • the bearing part 78 is formed as a spherical segment as the ball segment 56 and adjustable via the shaft 58 with respect to its axial position.
  • the ball segment 56 and the bearing part 78 have a respective, convex support surface 82.
  • the ball segment 54 has a convex
  • the bearing part 80 has an at least substantially planar support surface 84.
  • the bearing parts 78, 80 or the ball segments 54, 56 can be supported against one another to form an at least substantially punctiform contact, so that the running tool 20 can thereby be supported in the axial direction.
  • both bearing parts 78, 80 or both ball segments 54, 56 may be formed, for example, of ceramic. It is also possible that one of the bearing parts 78, 80 or one of the ball segments 54, 56 is formed of ceramic, while the other of the bearing parts 78, 80 and the other of the ball segments 54, 56 made of a hardened steel or a hard metal is formed. Another possibility to achieve a very high abrasion resistance of the bearing parts 78, 80 and the ball segments 54, 56 and their bearing partners, represent coatings such as titanium carbide or diamond-like carbon (diamond-like carbon).
  • a cooling air guide indicated in FIG. 1 by directional arrows 86 is provided.
  • a cooling air outlet is designated by 88 in FIG.
  • a directional arrow 90 is another way to
  • the heated air can escape from the turbomachine 10 via the cooling air outlet 88 and / or via the cooling air outlet illustrated by the directional arrow 90.
  • an intercooler not shown in FIG. 1, can be provided in the branch line 72, by means of which the air flowing through the branch line 72 can be cooled.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Fuel Cell (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention concerne une turbomachine (10) pour un convertisseur d'énergie, en particulier une pile à combustible. Ladite turbomachine comprend un compresseur (12) destiné à comprimer l'air devant être amené au convertisseur d'énergie, une turbine (22), un ensemble rotor (20) qui comprend une roue (14) du compresseur (12) et une roue de turbine (24) pouvant être entraînée par les effluents gazeux du convertisseur d'énergie et entraînant la roue de compresseur (14), un ensemble palier qui comprend au moins un palier axial réalisé sous la forme d'un palier ponctuel (50, 52), au moyen duquel l'ensemble rotor (20) est monté dans la direction axiale. Au moins une conduite de dérivation (72) est en liaison fluidique avec le compresseur (12) en un point de dérivation (74) situé en aval de la roue de compresseur, et permet d'exposer un dos (76) de la roue de turbine (24) à l'action d'une pression régnant au point de dérivation (74).
PCT/EP2013/001779 2012-06-29 2013-06-15 Turbomachine pour convertisseur d'énergie et dispositif à pile à combustible comprenant une telle turbomachine WO2014000867A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012013048A DE102012013048A1 (de) 2012-06-29 2012-06-29 Strömungsmaschine für einen Energiewandler sowie Brennstoffzelleneinrichtung mit einer solchen Strömungsmaschine
DE102012013048.1 2012-06-29

Publications (1)

Publication Number Publication Date
WO2014000867A1 true WO2014000867A1 (fr) 2014-01-03

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PCT/EP2013/001779 WO2014000867A1 (fr) 2012-06-29 2013-06-15 Turbomachine pour convertisseur d'énergie et dispositif à pile à combustible comprenant une telle turbomachine

Country Status (2)

Country Link
DE (1) DE102012013048A1 (fr)
WO (1) WO2014000867A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016223321A (ja) * 2015-05-28 2016-12-28 三菱重工業株式会社 過給機及び過給機用制御弁のコントローラ
CN109312657A (zh) * 2016-03-30 2019-02-05 三菱重工发动机和增压器株式会社 涡轮增压器
WO2019185351A1 (fr) * 2018-03-27 2019-10-03 Robert Bosch Gmbh Turbomachine, en particulier dispositif compresseur
CN114622995A (zh) * 2020-12-14 2022-06-14 盖瑞特动力科技(上海)有限公司 具有抑制推力载荷的排放流体系统的电子辅助涡轮增压器
US20230021590A1 (en) * 2021-07-26 2023-01-26 Volvo Truck Corporation Internal combustion engine system
CN114622995B (zh) * 2020-12-14 2024-06-07 盖瑞特动力科技(上海)有限公司 具有抑制推力载荷的排放流体系统的电子辅助涡轮增压器

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DE102014018096A1 (de) * 2014-12-09 2015-07-02 Daimler Ag Strömungsmaschine für einen Energiewandler, insbesondere eine Brennstoffzelle
DE102015004628A1 (de) 2015-04-08 2015-12-03 Daimler Ag Bauteil und Verfahren zu dessen Herstellung
SI3081816T1 (sl) * 2015-04-13 2021-07-30 Belenos Clean Power Holding Ag Kompresor z dvema kroglama, ki podpirata gred
ES2856014T3 (es) * 2015-04-13 2021-09-27 Belenos Clean Power Holding Ag Máquina equipada de un compresor
CN110080874A (zh) * 2019-04-25 2019-08-02 西安交通大学 一种应用于涡轮增压器的压力自供给气体静压推力滑动轴承

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DE102008050314A1 (de) 2008-08-18 2010-02-25 Daimler Ag Verdichter und Verfahren zum Betreiben eines Verdichters sowie Brennstoffzelleneinrichtung mit einem Verdichter
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016223321A (ja) * 2015-05-28 2016-12-28 三菱重工業株式会社 過給機及び過給機用制御弁のコントローラ
US11022130B2 (en) 2016-03-30 2021-06-01 Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. Turbocharger
CN109312657A (zh) * 2016-03-30 2019-02-05 三菱重工发动机和增压器株式会社 涡轮增压器
EP3434875A4 (fr) * 2016-03-30 2019-03-20 Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. Turbocompresseur
CN109312657B (zh) * 2016-03-30 2021-10-15 三菱重工发动机和增压器株式会社 涡轮增压器
WO2019185351A1 (fr) * 2018-03-27 2019-10-03 Robert Bosch Gmbh Turbomachine, en particulier dispositif compresseur
CN111936748A (zh) * 2018-03-27 2020-11-13 罗伯特·博世有限公司 流体机器、尤其是压缩机装置
CN111936748B (zh) * 2018-03-27 2022-09-16 罗伯特·博世有限公司 流体机器、尤其是压缩机装置
CN114622995A (zh) * 2020-12-14 2022-06-14 盖瑞特动力科技(上海)有限公司 具有抑制推力载荷的排放流体系统的电子辅助涡轮增压器
EP4012161A1 (fr) * 2020-12-14 2022-06-15 Garrett Transportation I Inc. Turbocompresseur e-assist avec système de fluide de purge de connexion de section de compresseur à une bague nervurée de section de turbine pour suppression de charge de poussée
US11933312B2 (en) 2020-12-14 2024-03-19 Garrett Transportation I Inc E-assist turbocharger with bleed fluid system connecting compressor section to web ring of turbine section for thrust load suppression
CN114622995B (zh) * 2020-12-14 2024-06-07 盖瑞特动力科技(上海)有限公司 具有抑制推力载荷的排放流体系统的电子辅助涡轮增压器
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