JP7093422B2 - 特に燃料電池システムのためのターボマシン、燃料電池システム、ターボマシンを作動させる方法、および燃料電池システムを作動させる方法 - Google Patents
特に燃料電池システムのためのターボマシン、燃料電池システム、ターボマシンを作動させる方法、および燃料電池システムを作動させる方法 Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims description 125
- 238000001816 cooling Methods 0.000 claims description 281
- 239000012530 fluid Substances 0.000 claims description 41
- 239000007800 oxidant agent Substances 0.000 claims description 23
- 230000001590 oxidative effect Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 14
- 238000011144 upstream manufacturing Methods 0.000 claims description 10
- 238000009423 ventilation Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 36
- 239000003570 air Substances 0.000 description 30
- 238000011161 development Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 239000012809 cooling fluid Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011990 functional testing Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- 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
- 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
- F01D25/08—Cooling; Heating; Heat-insulation
- F01D25/12—Cooling
- F01D25/125—Cooling of bearings
-
- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
- F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
- F01D5/046—Heating, heat insulation or cooling means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/16—Control of the pumps by bypassing charging air
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- 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
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- 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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
- F02C3/22—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being gaseous at standard temperature and pressure
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- 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
- F02C6/06—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas
- F02C6/08—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output providing compressed gas the gas being bled from the gas-turbine compressor
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- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
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- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
- F04D29/047—Bearings hydrostatic; hydrodynamic
- F04D29/0473—Bearings hydrostatic; hydrodynamic for radial pumps
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- 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
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- 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
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- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
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- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5826—Cooling at least part of the working fluid in a heat exchanger
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- 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
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- 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
- H01M8/22—Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elements; Fuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen
- H01M8/222—Fuel cells in which the fuel is based on compounds containing nitrogen, e.g. hydrazine, ammonia
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/10—Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
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- 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
- F02B39/16—Other safety measures for, or other control of, pumps
- F02B2039/162—Control of pump parameters to improve safety thereof
- F02B2039/164—Control of pump parameters to improve safety thereof the temperature of the pump, of the pump drive or the pumped fluid being limited
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
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- 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
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- 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
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- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fluid Mechanics (AREA)
- Fuel Cell (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
-冷却弁95が、部分経路92b,92c,92eの上流側で駆動冷却経路92に配置される。
-部分経路弁96が、アキシャル軸受43の下流側で第1の部分経路92bに配置される。
2 燃料電池
3 空気供給配管
4 排ガス配管
8 ハウジング
10 ターボマシン
11 圧縮機
11a 圧縮機入口
11b 圧縮機出口
13 排ガスタービン
13a 別の羽根車
14 シャフト
15 羽根車
15a 前面
15b 裏面
16 流動経路
17 径方向の流動端部
18 軸方向の流動端部
20 駆動装置
21 ロータ
22 ステータ
41,42 ラジアル軸受
43 アキシャル軸受
88 換気孔
89 裏壁
91 ホイール裏経路
92 駆動冷却経路
92b 第1の部分経路
92c 第2の部分経路
92e 第3の部分経路
93 熱交換器
95 冷却弁
96 部分経路弁
100 調節ユニット
150 バイパス通路
Claims (22)
- 燃料電池(2)と、前記燃料電池(2)に酸化剤を供給するための空気供給配管(3)と、前記燃料電池(2)から酸化剤を排出するための排ガス配管(4)とを有する燃料電池システム(1)において、前記燃料電池システム(1)はターボマシン(10)を有し、
前記ターボマシン(10)は、燃料電池システム(1)のためのターボマシン(10)であって、圧縮機(11)と、駆動装置(20)と、シャフト(14)とを有し、前記圧縮機(11)は、前記シャフト(14)の上に配置された羽根車(15)と、圧縮機入口(11a)と、圧縮機出口(11b)とを有し、作業流体を前記圧縮機入口(11a)から前記圧縮機出口(11b)へと圧送可能であり、駆動装置(20)を冷却するための駆動冷却経路(92)が前記圧縮機出口(11b)で分岐し、
前記圧縮機(11)は前記空気供給配管(3)に配置され、
前記燃料電池システム(1)は別の羽根車(13a)を備える排ガスタービン(13)を有し、前記別の羽根車(13a)は前記シャフト(14)の上に配置され、前記排ガスタービン(13)は前記排ガス配管(4)に配置され、
前記駆動冷却経路(92)は前記排ガスタービン(13)の下流側で前記排ガス配管(4)に連通することを特徴とする燃料電池システム(1)。 - 前記駆動冷却経路(92)に前記駆動装置(20)の上流側で熱交換器(93)が配置されることを特徴とする、請求項1に記載の燃料電池システム(1)。
- 前記駆動装置(20)はロータ(21)とステータ(22)を有し、前記ロータ(21)は前記シャフト(14)の上に配置され、前記駆動冷却経路(92)は前記ロータ(21)と前記ステータ(22)の間の間隙を通ることを特徴とする、請求項1または2に記載の燃料電池システム(1)。
- 前記シャフト(14)は2つのラジアル軸受(41,42)によって支承され、前記両方のラジアル軸受(41,42)は前記駆動冷却経路(92)に配置されることを特徴とする、請求項1から3のいずれか1項に記載の燃料電池システム(1)。
- 前記駆動冷却経路(92)は第1の部分経路(92b)と第2の部分経路(92c)に分岐し、前記ラジアル軸受(41)は前記第1の部分経路(92b)に配置され、前記ラジアル軸受(42)は前記第2の部分経路(92c)に配置されることを特徴とする、請求項4に記載の燃料電池システム(1)。
- 前記シャフト(14)はアキシャル軸受(43)により支承され、前記アキシャル軸受(43)は前記第1の部分経路(92b)に配置されることを特徴とする、請求項5に記載の燃料電池システム(1)。
- 前記シャフト(14)はアキシャル軸受(43)と少なくとも1つのラジアル軸受(41,42)とによって支承され、前記駆動冷却経路(92)は第1の部分経路(92b)と第2の部分経路(92c)に分岐し、前記アキシャル軸受(43)は前記第1の部分経路(92b)に配置され、前記ラジアル軸受(41,42)は前記第2の部分経路(92c)に配置されることを特徴とする、請求項1から4のいずれか1項に記載の燃料電池システム(1)。
- 前記第1の部分経路(92b)に前記アキシャル軸受(43)の下流側で部分経路弁(96)が配置されることを特徴とする、請求項6または7に記載の燃料電池システム(1)。
- 前記羽根車(15)の裏面(15b)に向かい合うように裏壁(89)が前記ターボマシン(10)のハウジング(8)の一部として配置され、前記裏壁(89)には換気孔(88が構成され、前記換気孔(88)は前記圧縮機出口(11b)から分岐する前記ターボマシン(10)のホイール裏冷却経路(91)に配置されることを特徴とする、請求項1から8のいずれか1項に記載の燃料電池システム(1)。
- 前記シャフト(14)はアキシャル軸受(43)により支承され、前記ホイール裏冷却経路(91)は前記アキシャル軸受(43)を通ることを特徴とする、請求項9に記載の燃料電池システム(1)。
- 前記シャフト(14)は2つのラジアル軸受(41,42)によって支承され、前記駆動冷却経路(92)は第1の部分経路(92b)と第2の部分経路(92c)に分岐し、前記ラジアル軸受(41)は前記第1の部分経路(92b)に配置され、前記ラジアル軸受(42)は前記第2の部分経路(92c)に配置され、前記ホイール裏冷却経路(91)は前記第1の部分経路(92b)に連通することを特徴とする、請求項9または10に記載の燃料電池システム(1)。
- 前記羽根車(15)はラジアル羽根車として施工され、前記羽根車(15)はその前面(15a)で作業流体により流動経路(16)に沿って貫流可能であり、前記流動経路(16)は軸方向の流動端部(18)と径方向の流動端部(17)を含むことを特徴とする、請求項1から11のいずれか1項に記載の燃料電池システム(1)。
- 前記圧縮機出口(11b)でバイパス通路(92)が圧力制限のために分岐することを特徴とする、請求項1から12のいずれか1項に記載の燃料電池システム(1)。
- 前記バイパス通路(92)にバイパス弁(95)が配置されることを特徴とする、請求項13に記載の燃料電池システム(1)。
- 前記バイパス通路は前記駆動冷却経路(92)によって構成されることを特徴とする、請求項13または14に記載の燃料電池システム(1)。
- 前記駆動冷却経路(92)に冷却弁(95)が両方の前記部分経路(92b,92c)の上流側で配置されることを特徴とする、請求項5から8または11のいずれか1項に記載の燃料電池システム(1)。
- 前記バイパス弁は前記冷却弁(95)によって構成されることを特徴とする、請求項14を引用している限りにおける請求項16に記載の燃料電池システム(1)。
- 前記駆動冷却経路(92)の下流側の端部の領域での前記駆動冷却経路(92)における媒体の温度の実際値を温度の目標値に追従させるために前記冷却弁(95)の開度を制御する調節ユニット(100)が設けられることを特徴とする、請求項16または17に記載の燃料電池システム(1)。
- 前記調節ユニット(100)は、前記駆動冷却経路(92)における媒体の温度についての目標値に依存して、および所望のバイパス質量流量に依存して前記冷却弁(95)の開度を制御することを特徴とする、請求項18に記載の燃料電池システム(1)。
- 請求項18または19に記載の燃料電池システム(1)を作動させる方法において、前記駆動冷却経路(92)における媒体の温度についての所定の目標値を調整するために前記冷却弁(95)の開度が前記調節ユニット(100)により制御されることを特徴とする方法。
- 検知された圧縮機サージに依存して、前記駆動冷却経路(92)における媒体の温度についての目標値を調整するために必要な質量流量よりも大きい所望のバイパス質量流量を前記駆動冷却経路(92)で調整するために、前記冷却弁(95)の開度が前記調節ユニット(100)により制御されることを特徴とする、請求項20に記載の方法。
- 請求項19に記載の燃料電池システム(1)を作動させる方法において、前記燃料電池システム(1)の所望の動作状態に依存して、前記駆動冷却経路(92)における媒体の温度についての目標値を調整するために必要な質量流量よりも大きい所望のバイパス質量流量を前記駆動冷却経路(92)で調整するために、前記冷却弁(95)の開度が前記調節ユニット(100)により制御されることを特徴とする方法。
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DE102018201162.1 | 2018-01-25 | ||
PCT/EP2018/082047 WO2019145065A1 (de) | 2018-01-25 | 2018-11-21 | Turbomaschine, insbesondere für ein brennstoffzellensystem, brennstoffzellensystem, verfahren zum betrieb einer turbomaschine und verfahren zum betrieb eines brennstoffzellensystems |
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