JP2022014965A - 高圧タンク - Google Patents
高圧タンク Download PDFInfo
- Publication number
- JP2022014965A JP2022014965A JP2020117511A JP2020117511A JP2022014965A JP 2022014965 A JP2022014965 A JP 2022014965A JP 2020117511 A JP2020117511 A JP 2020117511A JP 2020117511 A JP2020117511 A JP 2020117511A JP 2022014965 A JP2022014965 A JP 2022014965A
- Authority
- JP
- Japan
- Prior art keywords
- liner
- pressure tank
- reinforcing
- reinforcing layer
- flange portion
- 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.)
- Granted
Links
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- 230000015572 biosynthetic process Effects 0.000 description 4
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
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- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
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- 230000012447 hatching Effects 0.000 description 1
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
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- 238000003860 storage Methods 0.000 description 1
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
- F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
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- B29C53/602—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels for tubular articles having closed or nearly closed ends, e.g. vessels, tanks, containers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0305—Bosses, e.g. boss collars
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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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
- Y02E60/32—Hydrogen storage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
Description
この高圧タンクによれば、フランジ部の外端を含む少なくとも一部の底面とライナとの間に第1補強層が配置されているので、口金のフランジ部の外端によってライナが破損してしまう可能性を低減できる。
(2)上記高圧タンクにおいて、前記補強層は、更に、前記フランジ部の上面に配置された第2補強層を含むものとしてもよい。
この高圧タンクによれば、第1補強層の厚みを過度に大きくすることなく、十分な補強を行うことができる。
(3)上記高圧タンクにおいて、前記補強層は、補強パイプ部と、前記補強パイプ部の両端の開口にそれぞれ接合された一対の補強ドーム部とを含み、前記一対の補強ドーム部のそれぞれは、前記第1補強層と前記第2補強層を含むものとしてもよい。
この高圧タンクによれば、第1補強層と第2補強層とを有する高圧タンクを容易に製造できる。
(4)上記高圧タンクにおいて、前記第1補強層は、前記フランジ部の前記底面の全体に接するように配置されているものとしてもよい。
この高圧タンクによれば、口金のフランジ部の外端によってライナが破損してしまう可能性を更に低減できる。
(5)上記高圧タンクにおいて、前記口金は、第1開口部を有し、前記ライナは、前記口金に接合されているライナ部分において前記第1開口部よりも径が小さい第2開口部を有し、前記第1開口部と前記第2開口部とは、前記高圧タンクの内部と外部を連通する流路の一部を構成するものとしてもよい。
この高圧タンクによれば、ライナと口金との接合を強固にできる。
図1は、第1実施形態における高圧タンク100の構成を示す断面図であり、図2はその一部を拡大して示す図である。高圧タンク100は、水素ガス等の気体を貯蔵する貯蔵容器であり、例えば、車両用の燃料電池や、定置用の燃料電池に供給する水素を貯蔵するために使用される。高圧タンクとは、一般に、20℃においてゲージ圧で200kPa以上の圧力で気体を貯蔵するタンクである。燃料電池用の高圧タンクは、典型的には20℃においてゲージ圧で30MPa以上の圧力で水素を貯蔵するものが使用される。
<ウェットFW>
ウェットFWは、繊維束FBを巻き付ける直前に、低粘度化した液状の樹脂を繊維束FBに含浸させ、その樹脂含浸繊維束をマンドレルに巻き付ける方法である。
<ドライFW>
ドライFWは、線維束に予め樹脂を含浸させて乾燥させたトウプリプレグを準備し、トウプリプレグをマンドレルに巻き付ける方法である。
<RTM(Resin Transfer Molding)成形>
RTM成形は、雌雄一対の成形型内に繊維を設置し、型を閉締した後、樹脂注入口より樹脂を注入して繊維に含浸させて成形する方法である。
<CW(Centrifugal Winding)>
CWは、回転する円筒形の型の内面に繊維シートを貼り付けることによって筒状の部材を形成する方法である。繊維シートとしては、予め樹脂が含浸された繊維シートを用いてもよく、樹脂が含浸されていない繊維シートを用いてもよい。後者の場合には、繊維シートを筒状に巻いた後に、型内に樹脂を流し込んで繊維シートに樹脂を含浸させる。
図8は、第2実施形態における高圧タンク100aの構成を示す断面図である。この高圧タンク100aは、口金80aと第1ドーム部51aの形状が図1に示した第1実施形態と異なるだけであり、他の構成は第1実施形態とほぼ同じである。
Claims (5)
- 高圧タンクであって、
ガスバリア性を有する樹脂製のライナと、
前記ライナの周囲に配置された補強層と、
前記ライナの一端に設けられ、フランジ部を有する口金と、
を備え、
前記補強層は、前記フランジ部の底面のうち前記フランジ部の外端を含む少なくとも一部と、前記ライナとの間に配置された第1補強層を含む、高圧タンク。 - 請求項1に記載の高圧タンクであって、
前記補強層は、更に、前記フランジ部の上面に配置された第2補強層を含む、高圧タンク。 - 請求項2に記載の高圧タンクであって、
前記補強層は、補強パイプ部と、前記補強パイプ部の両端の開口にそれぞれ接合された一対の補強ドーム部とを含み、
前記一対の補強ドーム部のそれぞれは、前記第1補強層と前記第2補強層を含む、高圧タンク。 - 請求項1~3のいずれか一項に記載の高圧タンクであって、
前記第1補強層は、前記フランジ部の前記底面の全体に接するように配置されている、高圧タンク。 - 請求項1~4のいずれか一項に記載の高圧タンクであって、
前記口金は、第1開口部を有し、
前記ライナは、前記口金に接合されているライナ部分において前記第1開口部よりも径が小さい第2開口部を有し、
前記第1開口部と前記第2開口部とは、前記高圧タンクの内部と外部を連通する流路の一部を構成する、高圧タンク。
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DE102021115567.3A DE102021115567A1 (de) | 2020-07-08 | 2021-06-16 | Hochdrucktank |
CN202110698274.2A CN113915517A (zh) | 2020-07-08 | 2021-06-23 | 高压罐 |
US17/367,749 US20220010928A1 (en) | 2020-07-08 | 2021-07-06 | High pressure tank |
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