WO2021233751A1 - Rotor für eine luftversorgungseinheit einer brennstoffzelleneinheit und luftversorgungseinheit für eine brennstoffzelleneinheit - Google Patents
Rotor für eine luftversorgungseinheit einer brennstoffzelleneinheit und luftversorgungseinheit für eine brennstoffzelleneinheit Download PDFInfo
- Publication number
- WO2021233751A1 WO2021233751A1 PCT/EP2021/062582 EP2021062582W WO2021233751A1 WO 2021233751 A1 WO2021233751 A1 WO 2021233751A1 EP 2021062582 W EP2021062582 W EP 2021062582W WO 2021233751 A1 WO2021233751 A1 WO 2021233751A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- rotor
- air supply
- supply unit
- fuel cell
- air
- 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.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- 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
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- 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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- 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
- F04D29/053—Shafts
-
- 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
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/22—Non-oxide ceramics
- F05D2300/224—Carbon, e.g. graphite
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/603—Composites; e.g. fibre-reinforced
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/611—Coating
-
- 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
Definitions
- the invention relates to a rotor for an air supply unit of a fuel cell unit according to the features of the preamble of claim 1 and an air supply unit for a fuel cell unit.
- Air supply units for fuel cell units are generally known from the prior art. These air supply units comprise a rotor which is rotatably mounted in a housing by means of foil air bearings in order to suck in air, to compress it and to introduce it into the fuel cell unit.
- a coating material and a coating method are described in WO 2007/004770 A1.
- the coating material is applied to a rotating shaft. It comprises 20 to 40% by weight of chromium oxide, 40 to 60% by weight of a binding material, 10 to 20% by weight of tungsten disulfide and 10 to 20% by weight of silver.
- the binding material comprises 60 to 80% by weight nickel and 20 to 40% by weight chromium.
- an aerodynamic air bearing and a method for its production are known.
- At least one corrugated foil is fixed in a bearing housing.
- a cover film lies between the corrugated film and the corrugation, with a surface of the cover film facing the corrugation bearing a coating. By partially coating the cover film, structuring is formed in the surface facing the shaft.
- the invention is based on the object of specifying a rotor for an air supply unit of a fuel cell unit which is improved compared to the prior art and an air supply unit for a fuel cell unit which is improved compared to the prior art.
- the object is achieved according to the invention by a rotor for an air supply unit of a fuel cell unit with the features of claim 1 and an air supply unit for a fuel cell unit with the features of claim 5.
- a rotor for an air supply unit of a fuel cell unit which is provided for rotatable mounting, in particular by means of foil air bearings, in a housing of the air supply unit, it is provided according to the invention that the rotor is formed at least in sections from a carbon graphite material or from a synthetic resin-bonded carbon fiber material or is at least partially coated with it is.
- a rotor shaft and / or an axial bearing disk of the rotor are / is formed at least in sections from the carbon graphite material or from the synthetic resin-bonded carbon fiber material or at least in sections coated with it.
- the rotor shaft has, for example, two radial bearing sections which are each formed from the carbon graphite material or from the synthetic resin-bonded carbon fiber material or are coated therewith.
- the axial bearing disk it can be provided, for example, that opposing bearing surfaces of the axial bearing disk are coated with the carbon graphite material or with the synthetic resin-bonded carbon fiber material, or the entire axial bearing disk is formed therefrom.
- a combination of one or more carbon graphite materials and / or one or more synthetic resin-bonded carbon fiber materials can also be provided for the rotor.
- provision can also be made, for example, for different bearing sections to be coated with different of the above-mentioned materials.
- the radial bearing sections and the axial bearing washer are coated with different of the above-mentioned materials, ie have coatings that differ from one another.
- the rotor shaft it can be provided, for example, that all radial bearing sections are coated with the same material or with different of the above-mentioned materials.
- the axial bearing disk it can be provided, for example, that both bearing surfaces with the the same material or are coated with different of the above-mentioned materials.
- the rotor shaft and the axial bearing disk are made partially or completely from the same material or from different of the above-mentioned materials.
- the rotor shaft is at least partially or completely made of one of the above-mentioned materials and the axial bearing disk is at least partially or completely coated with one of the above-mentioned materials, or vice versa.
- An air supply unit according to the invention for a fuel cell unit comprises such a rotor which is rotatably mounted in the housing of the air supply unit by means of foil air bearings.
- carbon graphite materials and / or synthetic resin-bonded carbon fiber materials significantly improves mixed friction properties and emergency running properties in foil air bearings, in particular in radial bearings and axial bearings. Both these carbon graphite materials and these synthetic resin-bonded carbon fiber materials have self-lubricating properties due to their special crystal structure. Without additional lubricants, a coefficient of friction between these materials and their friction partners is therefore comparatively small.
- a material pairing of such a material with conventional metal alloys of a friction partner offers good emergency running properties.
- Common metal alloys of such friction partners are, for example, steel, titanium or titanium alloys, also referred to as titanium, or nickel-based alloys with nickel as the main component, chromium as an important secondary component and optionally iron, molybdenum, niobium, cobalt, manganese, copper, aluminum , Titanium, silicon, carbon, sulfur, phosphorus and / or boron as further secondary components.
- nickel-based alloys are also known as Inconel.
- the solution according to the invention also significantly reduces wear in the mixed friction area when starting and stopping.
- a mass moment of inertia of the rotor is reduced, as a result of which, with the same electrical design of an electric drive machine of the air supply unit, a critical speed range is passed through more quickly when starting and stopping.
- FIG. 1 schematically shows a sectional illustration of an air supply unit for a fuel cell unit
- FIG. 2 schematically shows a rotor shaft with an axial bearing disk of a rotor of the air supply unit from FIG. 1.
- FIG. 1 shows a sectional illustration of an air supply unit 1 for a fuel cell unit (not shown here), for example for a so-called fuel cell stack with a plurality of fuel cells.
- FIG. 2 shows a rotor shaft 2 with an axial bearing disk 3 of a rotor 4 of the air supply unit 1 from FIG the rotor shaft 2 be formed.
- the air supply unit 1 is designed analogously or similarly to an electric turbocharger for an internal combustion engine. It comprises a housing 5 in which the rotor 4 is rotatably mounted.
- the rotor 4 comprises a turbine wheel 6 which is arranged on an exhaust gas side 7 of the air supply unit 1, and a compressor wheel 8 which is arranged on a fresh air side 9 of the air supply unit 1.
- the exhaust gas side 7 of the air supply unit 1 can be fluidically coupled or coupled to an exhaust gas outlet of the fuel cell unit, so that the rotor 4 is fed by exhaust gas from the fuel cell unit, which flows against and drives the turbine wheel 6, is drivable.
- an electric drive machine 10 is also provided, in particular a permanent magnet synchronous motor (PMSM).
- PMSM permanent magnet synchronous motor
- the rotor 4 advantageously also forms a rotor 4 of this electric drive machine 10 at the same time.
- the fresh air side 9 of the air supply unit 1 can be fluidically coupled or coupled to a fresh air inlet of the fuel cell unit, so that the air supply unit 1 can suck in fresh air, in particular from an external environment of the air supply unit 1, by means of its compressor wheel 8, compress it and feed it to the fuel cell unit.
- two radial bearings 13 and one axial bearing 14 are provided in the example shown.
- the storage is advantageously carried out by means of film air bearings 15, 16, also referred to as air film bearings, ie. H. via air bearings that comprise one or more foils.
- one radial film air bearing 15 is therefore provided for each radial bearing 13 and two axial film air bearings 16 are provided for the axial bearing 14, each on one side of the axial bearing disk 3, for mounting in both axial directions of the rotor 4.
- These air bearings are designed in particular as aerodynamic bearings, i. H. no compressed air supply is provided; H. at a sufficiently high speed, the rotor 4 off.
- the foils are advantageously structured accordingly in order to achieve this aerodynamic effect.
- the air bearings in particular film air bearings 15, 16, are used for air supply units 1 for fuel cell units, in particular because of the requirement that storage systems of the air supply unit 1 must not be designed with carbon-based lubricants, since otherwise there is a risk that the carbon-based lubricants will leak into a membrane of a membrane can reach the respective fuel cell of the fuel cell unit, which would result in a reduced service life and a loss of performance of the fuel cell unit.
- the solution described in more detail below provides the use of one or more carbon graphite materials and / or one or more synthetic resin-bonded carbon fiber materials, in particular to improve the mixed friction properties and emergency running properties, in particular in the case of foil air bearings 15, 16, in particular in the radial bearings 13 and the axial bearing 14 to increase significantly.
- Carbon graphite materials and synthetic resin-bonded carbon fiber materials have self-lubricating properties due to their special crystal structure. Without additional lubricants, a coefficient of friction between such carbon materials and their friction partners is therefore comparatively small.
- This solution thus enables an increase in the robustness of the air supply unit 1 through better mixed friction properties and emergency running properties of the film air bearings 15, 16, in particular the radial bearings 13 and the axial bearing 14 a mass moment of inertia of the rotor 4 is reduced, as a result of which, with the same electrical design of the electric drive machine 10, the critical speed range when starting and stopping, in which there is no stored air cushion, is passed through more quickly.
- the mentioned metal alloys usually used for such bearings are for example steel, titanium or titanium alloys, also referred to as titanium, or nickel-based alloys with nickel as the main component, chromium as an important secondary component and optionally iron, molybdenum , Niobium, cobalt, manganese, copper, aluminum, titanium, silicon, carbon, sulfur, phosphorus and / or boron as further secondary components.
- nickel-based alloys are also known as Inconel.
- one or more carbon graphite materials and / or one or more synthetic resin-bonded carbon fiber materials are used for mounting the rotor 4 in the housing 5, in particular as one of two friction partners of the respective bearing 13, 14.
- the friction partners of the two radial bearings 13 are formed by the rotor shaft 2, in particular a respective radial bearing section 17 of the rotor shaft 2, of the rotor 4 on the one hand and at least one film of the respective radial film air bearing 15 on the other.
- the respective radial film air bearing 15, in particular the respective film is arranged between the rotor shaft 2, in particular the respective radial bearing section 17, and a respective radial housing bearing section of the housing 5 and, in particular, is firmly connected to this radial housing bearing section, so that a relative movement takes place between the rotor shaft 2 and the film. however, there is no relative movement between the housing radial bearing section and the film.
- the friction partners of the axial bearing 14 are formed by the axial bearing washer 3 on the one hand, in particular by opposing bearing surfaces 18 of the axial bearing washer 3, and at least one film of the respective axial film air bearing 16 on the other hand.
- the respective axial film air bearing 16, in particular the respective film is arranged between the respective bearing surface 18 of the axial bearing washer 3 and a respective housing axial bearing section of the housing 5 and, in particular, is firmly connected to this housing axial bearing section, so that a relative movement between Axial bearing washer 3, in particular its respective bearing surface 18, and film takes place, but there is no relative movement between the housing axial bearing section and the film.
- the foils of the foil air bearings 15, 16, which form one friction partner of the respective bearing 13, 14, are formed in a known manner, in particular from one of the metal alloys commonly used for this purpose and exemplified above. It is therefore provided that the respective other friction partner is formed from or coated with at least one of the above-mentioned materials.
- this relates to the rotor 4, in particular one or more sections of the rotor 4, in particular the rotor shaft 2, in particular its respective radial bearing section 17, and the axial bearing washer 3, in particular its bearing surfaces 18.
- the rotor 4 which is rotatably mounted in the housing 5 of the air supply unit 1 for the fuel cell unit, shown as an example in FIG . H. is formed from at least one carbon graphite material and / or from at least one synthetic resin-bonded carbon fiber material and / or is coated therewith at least in sections.
- a combination of one or more carbon graphite materials and / or one or more synthetic resin-bonded carbon fiber materials can also be provided for the rotor 4.
- provision can also be made, for example, for different bearing sections to be coated with different of the above-mentioned materials.
- the radial bearing sections 17 and the axial bearing washer 3, in particular their bearing surfaces 18, are coated with different of the above-mentioned materials, ie have coatings that differ from one another.
- the rotor shaft 2 it can be provided, for example, that all radial bearing sections 17 are coated with the same material or with different of the above-mentioned materials.
- both bearing surfaces 18 are coated with the same material or with different of the above-mentioned materials.
- the rotor shaft 2 and the axial bearing washer 3, in sections or in full, are made from the same material or from different of the above-mentioned materials.
- the rotor shaft 2 is formed at least in sections or completely from at least one of the above-mentioned materials and the axial bearing washer 3 is coated at least in sections or completely with at least one of the above-mentioned materials, or that the rotor shaft 2 is at least partially or is completely coated with at least one of the above-mentioned materials and the axial bearing disk 3 is formed at least in sections or completely from at least one of the above-mentioned materials.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Manufacturing & Machinery (AREA)
- Support Of The Bearing (AREA)
- Sliding-Contact Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP21726617.0A EP4153865A1 (de) | 2020-05-18 | 2021-05-12 | Rotor für eine luftversorgungseinheit einer brennstoffzelleneinheit und luftversorgungseinheit für eine brennstoffzelleneinheit |
| JP2022566399A JP2023524255A (ja) | 2020-05-18 | 2021-05-12 | 燃料電池ユニットの空気供給ユニットのためのロータおよび燃料電池ユニットのための空気供給ユニット |
| CN202180033806.9A CN115516210A (zh) | 2020-05-18 | 2021-05-12 | 用于燃料电池单元的空气供给单元的转子和用于燃料电池单元的空气供给单元 |
| KR1020227039976A KR20220160703A (ko) | 2020-05-18 | 2021-05-12 | 연료셀 유닛의 공기 공급 유닛을 위한 로터, 및 연료셀 유닛을 위한 공기 공급 유닛 |
| US17/998,954 US20230228291A1 (en) | 2020-05-18 | 2021-05-12 | Rotor for an air supply unit of a fuel cell unit, and air supply unit for a fuel cell unit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020002974.4A DE102020002974A1 (de) | 2020-05-18 | 2020-05-18 | Rotor für eine Luftversorgungseinheit einer Brennstoffzelleneinheit und Luftversorgungseinheit für eine Brennstoffzelleneinheit |
| DE102020002974.4 | 2020-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021233751A1 true WO2021233751A1 (de) | 2021-11-25 |
Family
ID=76011938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2021/062582 Ceased WO2021233751A1 (de) | 2020-05-18 | 2021-05-12 | Rotor für eine luftversorgungseinheit einer brennstoffzelleneinheit und luftversorgungseinheit für eine brennstoffzelleneinheit |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20230228291A1 (de) |
| EP (1) | EP4153865A1 (de) |
| JP (1) | JP2023524255A (de) |
| KR (1) | KR20220160703A (de) |
| CN (1) | CN115516210A (de) |
| DE (1) | DE102020002974A1 (de) |
| WO (1) | WO2021233751A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559914A (zh) * | 2022-10-10 | 2023-01-03 | 杰锋汽车动力系统股份有限公司 | 一种燃料电池氢气循环泵结构 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007004770A1 (en) | 2005-07-04 | 2007-01-11 | Korea Institute Of Science And Technology | Coating material having heat and abrasion resistance and low friction characteristics and coating method thereof |
| DE102012207661A1 (de) * | 2012-05-08 | 2013-11-14 | Bayerische Motoren Werke Aktiengesellschaft | Wassergeschmiertes Gebläse für Brennstoffzellen |
| JP2015108380A (ja) * | 2013-12-03 | 2015-06-11 | Ntn株式会社 | 回転部材とこれを有するフォイル軸受ユニット及びターボ機械 |
| DE102014201563A1 (de) | 2014-01-29 | 2015-07-30 | Schaeffler Technologies AG & Co. KG | Aerodynamisches Luftlager und Verfahren zu dessen Herstellung |
| DE102015007379A1 (de) * | 2015-06-10 | 2016-01-21 | Daimler Ag | Strömungsmaschine für einen Energiewandler, insbesondere eine Brennstoffzelle |
| EP3043080A1 (de) * | 2013-09-06 | 2016-07-13 | NTN Corporation | Folienlagereinheit |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003262222A (ja) * | 2002-03-08 | 2003-09-19 | Ntn Corp | フォイル軸受 |
| JP2007092646A (ja) * | 2005-09-29 | 2007-04-12 | Jtekt Corp | 燃料電池用過給機 |
| WO2013028521A1 (en) * | 2011-08-24 | 2013-02-28 | Borgwarner Inc. | Air feed device for a fuel cell |
| DE102014018070A1 (de) * | 2014-12-09 | 2015-07-02 | Daimler Ag | Lagereinrichtung zum Lagern eines Rotors einer Strömungsmaschine |
| CN105736424B (zh) * | 2016-04-19 | 2019-01-25 | 同济大学 | 一种车用燃料电池发动机的单级直驱增压离心式空压机 |
| CN105889096B (zh) * | 2016-05-06 | 2019-10-18 | 同济大学 | 燃料电池发动机的两级串联增压直驱离心式空压机 |
| JP7065715B2 (ja) * | 2017-12-19 | 2022-05-12 | Ntn株式会社 | フォイル軸受、フォイル軸受ユニット、ターボ機械、フォイル軸受の製造方法 |
| KR102552016B1 (ko) * | 2018-03-15 | 2023-07-05 | 현대자동차 주식회사 | 모터용 로터 조립체 |
| EP3557081A1 (de) * | 2018-04-20 | 2019-10-23 | Belenos Clean Power Holding AG | Brennstoffzelle, die einen fluidverdichter umfasst |
| JP2023055283A (ja) * | 2021-10-06 | 2023-04-18 | 株式会社豊田自動織機 | ターボ式流体機械 |
| JP7683508B2 (ja) * | 2022-02-18 | 2025-05-27 | 株式会社豊田自動織機 | ターボ式流体機械 |
| DE202022102710U1 (de) * | 2022-05-17 | 2022-06-15 | Borgwarner Inc. | Kompressor |
-
2020
- 2020-05-18 DE DE102020002974.4A patent/DE102020002974A1/de active Pending
-
2021
- 2021-05-12 US US17/998,954 patent/US20230228291A1/en not_active Abandoned
- 2021-05-12 JP JP2022566399A patent/JP2023524255A/ja not_active Ceased
- 2021-05-12 KR KR1020227039976A patent/KR20220160703A/ko not_active Ceased
- 2021-05-12 CN CN202180033806.9A patent/CN115516210A/zh active Pending
- 2021-05-12 WO PCT/EP2021/062582 patent/WO2021233751A1/de not_active Ceased
- 2021-05-12 EP EP21726617.0A patent/EP4153865A1/de not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007004770A1 (en) | 2005-07-04 | 2007-01-11 | Korea Institute Of Science And Technology | Coating material having heat and abrasion resistance and low friction characteristics and coating method thereof |
| DE102012207661A1 (de) * | 2012-05-08 | 2013-11-14 | Bayerische Motoren Werke Aktiengesellschaft | Wassergeschmiertes Gebläse für Brennstoffzellen |
| EP3043080A1 (de) * | 2013-09-06 | 2016-07-13 | NTN Corporation | Folienlagereinheit |
| JP2015108380A (ja) * | 2013-12-03 | 2015-06-11 | Ntn株式会社 | 回転部材とこれを有するフォイル軸受ユニット及びターボ機械 |
| DE102014201563A1 (de) | 2014-01-29 | 2015-07-30 | Schaeffler Technologies AG & Co. KG | Aerodynamisches Luftlager und Verfahren zu dessen Herstellung |
| DE102015007379A1 (de) * | 2015-06-10 | 2016-01-21 | Daimler Ag | Strömungsmaschine für einen Energiewandler, insbesondere eine Brennstoffzelle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115559914A (zh) * | 2022-10-10 | 2023-01-03 | 杰锋汽车动力系统股份有限公司 | 一种燃料电池氢气循环泵结构 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102020002974A1 (de) | 2021-11-18 |
| JP2023524255A (ja) | 2023-06-09 |
| KR20220160703A (ko) | 2022-12-06 |
| US20230228291A1 (en) | 2023-07-20 |
| CN115516210A (zh) | 2022-12-23 |
| EP4153865A1 (de) | 2023-03-29 |
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