JP2012093353A - 光ファイバ純度センサを有するシステム - Google Patents
光ファイバ純度センサを有するシステム Download PDFInfo
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- 239000000835 fiber Substances 0.000 title claims abstract description 93
- 239000002826 coolant Substances 0.000 claims abstract description 118
- 238000005253 cladding Methods 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims description 97
- 239000001257 hydrogen Substances 0.000 claims description 82
- 229910052739 hydrogen Inorganic materials 0.000 claims description 82
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 62
- 239000013307 optical fiber Substances 0.000 claims description 31
- 238000001514 detection method Methods 0.000 claims description 13
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 230000006012 detection of carbon dioxide Effects 0.000 claims 3
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 3
- 150000002431 hydrogen Chemical class 0.000 description 23
- 238000000034 method Methods 0.000 description 18
- 239000010410 layer Substances 0.000 description 16
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- 238000001816 cooling Methods 0.000 description 10
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
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- 230000008901 benefit Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 239000011540 sensing material Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000000737 periodic effect Effects 0.000 description 4
- 238000000357 thermal conductivity detection Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000004886 process control Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 2
- 150000004678 hydrides Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001868 water Inorganic materials 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000619 316 stainless steel Inorganic materials 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 238000003070 Statistical process control Methods 0.000 description 1
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- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 229940119177 germanium dioxide Drugs 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
- G01N21/774—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides the reagent being on a grating or periodic structure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO or CO2
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/005—H2
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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
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
- G01N2021/7706—Reagent provision
- G01N2021/7709—Distributed reagent, e.g. over length of guide
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N2021/7769—Measurement method of reaction-produced change in sensor
- G01N2021/7776—Index
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N2021/7769—Measurement method of reaction-produced change in sensor
- G01N2021/7783—Transmission, loss
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
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- G02B6/02095—Long period gratings, i.e. transmission gratings coupling light between core and cladding modes
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- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
- G02B6/021—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the core or cladding or coating, e.g. materials, radial refractive index profiles, cladding shape
- G02B6/02104—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the core or cladding or coating, e.g. materials, radial refractive index profiles, cladding shape characterised by the coating external to the cladding, e.g. coating influences grating properties
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Abstract
【解決手段】システムは、発電機(12)であって、固定子、回転子、および発電機の内部を通る気体冷却剤経路(18)を備える発電機と、気体冷却剤経路を通る気体冷却剤(52)流の気体純度を感知するように構成された少なくとも1つの光ファイバ純度センサ(34)とを含む。光ファイバ純度センサは、ファイバコアと、屈折率が周期的に変調される格子構造と、格子構造の周囲に位置決めされたファイバクラッドと、ファイバクラッドの周りに位置決めされた多層感知フィルムとを備えることができる。
【選択図】図1
Description
12 発電機
14 エンジン
16 駆動シャフト
18 水素冷却剤経路
20 温かい水素
22 水素熱交換器
24 冷たい水素
26 温かい冷却剤
28 冷却剤熱交換器
30 冷たい冷却剤
32 水素冷却システム
34 光ファイバセンサ
36 呼掛け器
38 光ファイバケーブル
40 制御システム
42 信号
43 純度制御装置
44 エンジン制御装置
46 発電機制御装置
48 冷却制御装置
50 出力信号
51 気体制御デバイス
52 水素
53 制御弁
54 二酸化炭素(CO2)
56 パージ
58 空気
70 気体サンプリング管材
72 制御パネル
74 ディスプレイ
76 ユーザ入力パネル
90 固定子
92 回転子
94 軸受システム
96 冷却剤通路
98 固定子冷却剤経路
100 回転子冷却剤経路
102 軸受冷却剤経路
110 管寄せ
112 中心ファイバコア
114 軸
116 長周期ファイバ格子(LPG)構造
118 ファイバクラッド
120 ナノ構造の多層の感知層
150 発電機を動作させるために制御システムによって使用されるプロセス
152 センサデータを得るステップ
154 センサデータを分析するステップ
156 純度を第1の閾値と比較するステップ
160 純度を第2の閾値と比較するステップ
162 気体冷却剤の一部分をパージするステップ
164 気体冷却剤をパージするステップ
168 純度を第3の閾値と比較するステップ
170 空気でパージするステップ
172 保守を実行するステップ
Claims (15)
- 発電機(12)であって、固定子(90)、回転子(92)、および前記発電機(12)の内部を通る気体冷却剤経路(18)を備える発電機(12)と、
前記気体冷却剤経路(18)を通る気体冷却剤(52)流の気体純度を感知するように構成された少なくとも1つの光ファイバ純度センサ(34)と
を備えるシステム。 - 前記少なくとも1つの光ファイバ純度センサ(34)が、
ファイバコア(112)と、
前記ファイバコア(112)の周りに位置決めされた屈折率が周期的に変調される格子構造(116)と、
前記屈折率が周期的に変調される格子構造(116)の周囲に位置決めされたファイバクラッド(118)と、
前記ファイバクラッド(118)の周りに位置決めされた多層感知フィルム(120)とを備え、前記多層感知フィルム(120)が、複数の高屈折率材料層および低屈折率材料層からなる変調構造を備える、請求項1記載のシステム。 - 前記少なくとも1つの光ファイバ純度センサ(34)が、空気(58)中の水素レベルの検出を可能にするように構成された第1のコーティング(120)と、二酸化炭素(54)中の水素レベルの検出を可能にするように構成された第2のコーティング(120)と、空気(58)中の二酸化炭素レベルの検出を可能にするように構成された第3のコーティング(120)とを備える、請求項1記載のシステム。
- 前記気体冷却剤経路(18)が、前記回転子(92)を通って延びる回転子冷却剤経路(100)を備え、前記少なくとも1つの光ファイバ純度センサ(34)が、前記回転子冷却剤経路(100)に結合された回転子光ファイバ純度センサ(34)を備える、請求項1記載のシステム。
- 前記気体冷却剤経路(18)が、前記固定子(90)を通って延びる固定子冷却剤経路(98)を備え、前記少なくとも1つの光ファイバ純度センサ(34)が、前記固定子冷却剤経路(98)に結合された固定子光ファイバ純度センサ(34)を備える、請求項1記載のシステム。
- 前記気体冷却剤経路(18)が、軸受システム(94)を通って延びる軸受冷却剤経路(102)を備え、前記少なくとも1つの光ファイバ純度センサ(34)が、前記軸受冷却剤経路(102)に結合された軸受光ファイバ純度センサ(34)を備える、請求項1記載のシステム。
- 前記少なくとも1つの光ファイバ純度センサ(34)を有する制御パネル(72)を備え、前記気体冷却剤経路(18)が、前記発電機(12)から前記制御パネル(72)へ延びる外部気体冷却剤ライン(70)を備える、請求項1記載のシステム。
- 前記気体冷却剤経路(18)が、前記発電機(12)内に内部気体冷却剤通路(96)を備え、前記少なくとも1つの光ファイバ純度センサ(34)が、前記内部気体冷却剤通路(96)に沿って配置される、請求項1記載のシステム。
- 純度制御装置(43)を備える気体純度制御システム(40)と、気体純度を感知するように構成された少なくとも1つの光ファイバ純度センサ(34)と
を備えるシステム。 - 前記少なくとも1つの光ファイバ純度センサ(34)が、
ファイバコア(112)と、
前記ファイバコア(112)の周りに位置決めされた屈折率が周期的に変調される格子構造(116)と、
前記屈折率が周期的に変調される格子構造(116)の周囲に位置決めされたファイバクラッド(118)と、
前記ファイバクラッド(118)の周りに位置決めされた多層感知フィルム(120)とを備え、前記多層感知フィルム(120)が、複数の高屈折率材料層および低屈折率材料層からなる変調構造を備える、請求項9記載のシステム。 - 前記少なくとも1つの光ファイバ純度センサ(34)が、空気(58)中の水素レベルの検出を可能にするように構成された第1のコーティング(120)と、二酸化炭素(54)中の水素レベルの検出を可能にするように構成された第2のコーティングと、空気(58)中の二酸化炭素レベルの検出を可能にするように構成された第3のコーティングとを備える、請求項9記載のシステム。
- 回転機械であって、前記回転機械の内部を通って延びる内部気体通路(96)を備える回転機械を備え、前記内部気体通路が前記気体を含む、請求項9記載のシステム。
- 前記純度制御装置(43)が、感知されたレベルが前記気体純度の閾値レベルを下回る場合に前記気体純度を増大させるための制御機能を開始するように構成される、請求項9記載のシステム。
- 前記少なくとも1つの光ファイバ純度センサ(34)が、機械の第1の領域の第1の気体純度を感知するように構成された第1の光ファイバ純度センサ(34)と、前記機械の第2の領域の第2の気体純度を感知するように構成された第2の光ファイバ純度センサ(34)とを備える、請求項9記載のシステム。
- 前記純度制御システム(40)が、呼掛け器(36)およびディスプレイ(74)を備え、前記呼掛け器(36)が、前記少なくとも1つの光ファイバ純度センサ(32)からの信号(42)に基づいて気体純度情報を判定するように構成され、前記ディスプレイ(74)が、前記気体純度情報を出力するように構成される、請求項9記載のシステム。
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US12/910,522 US8768112B2 (en) | 2010-10-22 | 2010-10-22 | System having fiber optic purity sensor |
US12/910,522 | 2010-10-22 |
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JP2012093353A true JP2012093353A (ja) | 2012-05-17 |
JP2012093353A5 JP2012093353A5 (ja) | 2014-12-04 |
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US (1) | US8768112B2 (ja) |
JP (1) | JP5814737B2 (ja) |
KR (1) | KR20120042663A (ja) |
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US9891166B2 (en) | 2013-11-04 | 2018-02-13 | Uvic Industry Partnerships Inc. | Fiber optic sensor for measurement of carbon dioxide |
DE102017215597A1 (de) * | 2017-09-05 | 2019-03-07 | Siemens Aktiengesellschaft | Wasserstoff-gekühlter Turbogenerator mit kontinuierlich hoher H2-Reinheit |
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KR20120042663A (ko) | 2012-05-03 |
GB2484819A (en) | 2012-04-25 |
US20120098360A1 (en) | 2012-04-26 |
GB2484819B (en) | 2014-10-08 |
DE102011054675A1 (de) | 2012-04-26 |
JP5814737B2 (ja) | 2015-11-17 |
US8768112B2 (en) | 2014-07-01 |
GB201118048D0 (en) | 2011-11-30 |
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