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WO2018184800A1 - Turbocompresseur, notamment pour un système de piles à combustible - Google Patents

Turbocompresseur, notamment pour un système de piles à combustible Download PDF

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Publication number
WO2018184800A1
WO2018184800A1 PCT/EP2018/056348 EP2018056348W WO2018184800A1 WO 2018184800 A1 WO2018184800 A1 WO 2018184800A1 EP 2018056348 W EP2018056348 W EP 2018056348W WO 2018184800 A1 WO2018184800 A1 WO 2018184800A1
Authority
WO
WIPO (PCT)
Prior art keywords
compressor
fuel cell
shaft
cell system
exhaust gas
Prior art date
Application number
PCT/EP2018/056348
Other languages
German (de)
English (en)
Inventor
Vadim Kuzovich
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2018184800A1 publication Critical patent/WO2018184800A1/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
    • 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
    • F02B37/013—Engines characterised by provision of pumps driven at least for part of the time by exhaust with exhaust-driven pumps arranged in series
    • 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
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/005—Cooling of pump drives
    • 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
    • F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/02—Drives of pumps; Varying pump drive gear ratio
    • F02B39/08—Non-mechanical drives, e.g. fluid drives having variable gear ratio
    • F02B39/10—Non-mechanical drives, e.g. fluid drives having variable gear ratio electric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
    • H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
    • H01M8/04111—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants using a compressor turbine assembly
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • Turbocompressor in particular for a fuel cell system
  • Prior art Turbocompressors for a fuel cell system are known from the prior art, for example from the published patent application DE 10 2012 224 052 A1.
  • the known turbo-compressor has a shaft drivable by a drive device. On the shaft, a compressor and an exhaust gas turbine are arranged.
  • the turbocompressor according to the invention has a higher efficiency, in particular if it is used in a fuel cell system. Furthermore, it can achieve a reduction of the bearing load and an improvement of the temperature balance.
  • the turbocompressor comprises a shaft which can be driven by a drive device.
  • a compressor and an exhaust gas turbine are arranged on the shaft.
  • a further compressor is arranged on the shaft.
  • the compressor and the further compressor form a common flow path, so that a working fluid can be compressed more than with just one compressor.
  • the working fluid is an oxidizing agent of a fuel cell system.
  • bearings are effectively cooled with the working fluid.
  • the compressor, the further compressor and the exhaust gas turbine are each rotor wheels, for example radial rotor.
  • the exhaust gas turbine is in another
  • the compressor and the further compressor are arranged in an air supply line of a fuel cell system, and the exhaust gas turbine in an exhaust pipe of the fuel cell system.
  • the air supply line serves for the inflow of the oxidizing agent into a fuel cell
  • the exhaust gas line serves to remove the oxidizing agent or the reacted oxidizing agent or a mixture thereof from the fuel cell.
  • the drive device has a stator and a rotor, so it is preferably designed as an electric motor.
  • the rotor is arranged on the shaft between the compressor and the further compressor. Thereby, the rotor can be effectively cooled with the working fluid delivered by the two compressors.
  • the shaft is rotatably mounted on both sides of the rotor by means of a respective bearing.
  • the bearings can be designed both as a rolling bearing and as a sliding bearing.
  • the compressor on one side of the rotor and the further compressor and the exhaust gas turbine are arranged on the other side of the rotor.
  • the bearing load for both bearings is about the same size, it can even be used identical bearings.
  • the compressor and the further compressor are axially flowed and designed to be radially outflow.
  • the two compressors are thus designed as radial runners.
  • the two compressors can therefore be considered as centrifugal pumps. As a result, comparatively high delivery pressures can be achieved.
  • the oxidant of the fuel cell can be supplied with a pressure of several bar.
  • the exhaust gas turbine is preferably also designed as a radial runner.
  • the described embodiments of the turbocompressor are preferably used in a fuel cell system.
  • the fuel cell system has a
  • a fuel cell an air supply line for supplying an oxidizing agent in the fuel cell and an exhaust pipe for discharging the oxidizing agent from the fuel cell.
  • the discharged oxidant may have reacted completely or partially chemically in the fuel cell.
  • the compressor and the further compressor of the turbocompressor are arranged in the air supply line.
  • the exhaust gas turbine of the turbocompressor is arranged in the exhaust pipe.
  • the two pressure stages through the two compressors are particularly effective in the air supply line;
  • a rotor or electric motor of the turbocompressor can be cooled via the supply line. Furthermore, even the bearings of the shaft can be cooled.
  • the reacted oxidant emanating from the fuel cell can be used very effectively as a power source for the exhaust gas turbine.
  • the fuel cell system may preferably be adapted to a
  • the fuel cell system 1 comprises a fuel cell 2, an air supply line 3, an exhaust pipe 4, a compressor 1 1, an exhaust gas turbine 13, a bypass valve 5 for pressure reduction and a feed line not shown in detail for fuel to the fuel cell 2.
  • the bypass valve 5, for example, a control valve be.
  • a bypass valve 5 for example, a wastegate valve can be used.
  • the fuel cell 2 is a galvanic cell that converts chemical reaction energy of a fuel supplied via the fuel supply line, not shown, and an oxidant into electrical energy, as shown here
  • the electrical energy generated by the fuel cell 2 drives an electric motor of the
  • the compressor 1 1 is arranged in the air supply line 3.
  • the exhaust gas turbine 13 is arranged in the exhaust pipe 4.
  • the compressor 1 1 and the exhaust gas turbine 13 are mechanically connected via a shaft 14.
  • the shaft 14 is electrically driven by a drive device 20.
  • the exhaust gas turbine 13 serves to support the drive device 20 for driving the shaft 14 or the compressor 11.
  • the compressor 1 1, the shaft 14 and the exhaust gas turbine 13 together form a turbo-compressor 10.
  • the turbocompressor 10 includes the drive device 20, the compressor 1 1, the exhaust turbine 13 and another compressor 12.
  • the compressor 1 1, the further compressor 12 and the exhaust turbine 13 are arranged on the common shaft 14 so that they rotate upon rotation of the shaft 14 rotate in the same way.
  • the drive device 20 is designed as an electric motor and comprises a rotor 22 and a stator 21.
  • the rotor 22 is likewise arranged on the shaft 14.
  • the stator 21 is stationarily positioned in a housing, not shown, of the turbocompressor 10.
  • the shaft 14 is rotatably mounted on both sides of the drive device 20 by means of a respective bearing 15.
  • An air duct 31 is designed as part of the air supply line 3 so that it leads from the outside into the turbo compressor 10, there flows axially into the compressor 1 1 and radially out of the compressor 1 1, further to the other compressor 12 leads, there also axially in the further compressor 12 opens and leads radially from the further compressor 12 and then leads out of the turbocompressor 10. After that leads the
  • the exhaust pipe 4 in turn leads from the fuel cell 2 into the turbocompressor 10, flows there radially into the exhaust gas turbine 13 and leads axially out of the exhaust gas turbine 13 in order to subsequently lead out of the turbocharger 10 again.
  • the compressor 1 1, the further compressor 12 and the exhaust gas turbine 13 with respect to their flow guides and pressure gradients can be designed so that the resulting axial force on the shaft 14 during operation of the turbocompressor 10 is almost zero.
  • the turbocompressor 10 is thus pressure balanced so that the bearings 15 have to absorb almost no axial forces.
  • turbocompressor 10 may also be used for both turbocompressor 10

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electrochemistry (AREA)
  • Fuel Cell (AREA)

Abstract

L'invention concerne un turbocompresseur (10), notamment pour un système de piles à combustible (1). Ce turbocompresseur (10) présente un arbre (14) pouvant être entraîné par un dispositif d'entraînement (20). Un compresseur (11) et une turbine à gaz d'échappement (13) sont disposés sur l'arbre (14). En outre, un compresseur supplémentaire (12) est disposé sur l'arbre (14).
PCT/EP2018/056348 2017-04-04 2018-03-14 Turbocompresseur, notamment pour un système de piles à combustible WO2018184800A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017205704.1A DE102017205704A1 (de) 2017-04-04 2017-04-04 Turbokompressor, insbesondere für ein Brennstoffzellensystem
DE102017205704.1 2017-04-04

Publications (1)

Publication Number Publication Date
WO2018184800A1 true WO2018184800A1 (fr) 2018-10-11

Family

ID=62027935

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/056348 WO2018184800A1 (fr) 2017-04-04 2018-03-14 Turbocompresseur, notamment pour un système de piles à combustible

Country Status (2)

Country Link
DE (1) DE102017205704A1 (fr)
WO (1) WO2018184800A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110459788A (zh) * 2019-08-26 2019-11-15 北京久安通氢能科技有限公司 一种燃料电池系统氢气回收装置
CN114458402A (zh) * 2020-11-10 2022-05-10 保时捷股份公司 废气涡轮增压器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017220855A1 (de) 2017-11-22 2019-05-23 Robert Bosch Gmbh Turbokompressor, insbesondere für ein Brennstoffzellensystem

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996013871A2 (fr) * 1994-10-19 1996-05-09 Siemens Aktiengesellschaft Installation a piles a combustible avec utilisation de la chaleur des gaz des cathodes et son procede d'exploitation
US20070077459A1 (en) * 2002-05-14 2007-04-05 Walton James F Ii Compressor-expander with high to idle air flow to fuel cell
DE102010035725A1 (de) * 2010-08-28 2012-03-01 Daimler Ag Aufladeeinrichtung für eine Energieumwandlungseinrichtung
DE102012224052A1 (de) 2012-12-20 2014-06-26 Robert Bosch Gmbh Verfahren zur Erfassung eines Verdichterpumpens eines elektrisch angetriebenen Verdichters und Brennstoffzellensystem mit einem elektrisch angetriebenen Verdichter und einem Regelgerät zum Durchführen des Verfahrens
WO2016098604A1 (fr) * 2014-12-19 2016-06-23 株式会社マーレ フィルターシステムズ Turbocompresseur
EP3249234A1 (fr) * 2016-05-22 2017-11-29 Honeywell International Inc. Turbocompresseur avec compresseur à deux étages en série entraîné par turbine à gaz d'échappement et moteur électrique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO20050558A1 (it) * 2005-08-05 2007-02-06 Fiat Ricerche Motocompressore a piu' stadi per la compressione di fluidi, ad esempio per autoveicoli
JP5200766B2 (ja) * 2008-08-26 2013-06-05 アイシン精機株式会社 燃料電池システム

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996013871A2 (fr) * 1994-10-19 1996-05-09 Siemens Aktiengesellschaft Installation a piles a combustible avec utilisation de la chaleur des gaz des cathodes et son procede d'exploitation
US20070077459A1 (en) * 2002-05-14 2007-04-05 Walton James F Ii Compressor-expander with high to idle air flow to fuel cell
DE102010035725A1 (de) * 2010-08-28 2012-03-01 Daimler Ag Aufladeeinrichtung für eine Energieumwandlungseinrichtung
DE102012224052A1 (de) 2012-12-20 2014-06-26 Robert Bosch Gmbh Verfahren zur Erfassung eines Verdichterpumpens eines elektrisch angetriebenen Verdichters und Brennstoffzellensystem mit einem elektrisch angetriebenen Verdichter und einem Regelgerät zum Durchführen des Verfahrens
WO2016098604A1 (fr) * 2014-12-19 2016-06-23 株式会社マーレ フィルターシステムズ Turbocompresseur
EP3242002A1 (fr) * 2014-12-19 2017-11-08 MAHLE Filter Systems Japan Corporation Turbocompresseur
EP3249234A1 (fr) * 2016-05-22 2017-11-29 Honeywell International Inc. Turbocompresseur avec compresseur à deux étages en série entraîné par turbine à gaz d'échappement et moteur électrique

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110459788A (zh) * 2019-08-26 2019-11-15 北京久安通氢能科技有限公司 一种燃料电池系统氢气回收装置
CN110459788B (zh) * 2019-08-26 2024-03-22 苏州久安通氢能源科技有限公司 一种燃料电池系统氢气回收装置
CN114458402A (zh) * 2020-11-10 2022-05-10 保时捷股份公司 废气涡轮增压器
CN114458402B (zh) * 2020-11-10 2024-06-04 保时捷股份公司 废气涡轮增压器

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