JP6569648B2 - 高圧ガスタンクおよび移動体 - Google Patents
高圧ガスタンクおよび移動体 Download PDFInfo
- Publication number
- JP6569648B2 JP6569648B2 JP2016222883A JP2016222883A JP6569648B2 JP 6569648 B2 JP6569648 B2 JP 6569648B2 JP 2016222883 A JP2016222883 A JP 2016222883A JP 2016222883 A JP2016222883 A JP 2016222883A JP 6569648 B2 JP6569648 B2 JP 6569648B2
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- JP
- Japan
- Prior art keywords
- base
- pressure gas
- gas tank
- valve
- opening
- 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.)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- 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
- F17C1/04—Protecting sheathings
- F17C1/06—Protecting sheathings built-up from wound-on bands or filamentary material, e.g. wires
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/03006—Gas tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/70—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
- B60L50/71—Arrangement of fuel cells within vehicles specially adapted for electric vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- 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
- F17C1/16—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- 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
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/03006—Gas tanks
- B60K2015/03026—Gas tanks comprising a valve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03032—Manufacturing of fuel tanks
- B60K2015/03046—Manufacturing of fuel tanks made from more than one layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03256—Fuel tanks characterised by special valves, the mounting thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K2015/03309—Tanks specially adapted for particular fuels
- B60K2015/03315—Tanks specially adapted for particular fuels for hydrogen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
- B60K15/03—Fuel tanks
- B60K15/063—Arrangement of tanks
- B60K2015/0634—Arrangement of tanks the fuel tank is arranged below the vehicle floor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/20—Energy converters
- B60Y2400/202—Fuel cells
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- 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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- 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
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- F17C2201/03—Orientation
- F17C2201/035—Orientation with substantially horizontal main axis
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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
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- F17C2201/05—Size
- F17C2201/056—Small (<1 m3)
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- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- 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
- F17C2203/00—Vessel construction, in particular walls or details thereof
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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
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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
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- F17C2203/0619—Single wall with two layers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- 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
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- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- 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
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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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- 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
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Description
この形態の高圧ガスタンクによれば、口金の内部において、口金とバルブとの間の空間へとシール部材を介してタンク本体部側から漏れ出したガスを、スリットを介して高圧ガスタンクの外部へと排出することができる。そのため、上記口金とバルブとの間の空間における圧力上昇を抑え、上記空間内の圧力が、タンク本体部内の圧力よりも高くなることを抑えることができる。そのため、このような圧力の逆転に起因する、Oリングにおけるシール性の低下を抑制することができる。
このような構成とすれば、位置合わせマークが鉛直方向最上部に位置するように高圧ガスタンクを配置したときに、高圧ガスタンクの外表面において、スリットが形成する連通孔の開口部を、鉛直方向最下点近傍に配置することができる。そのため、高圧ガスタンクの設置箇所の上方の空間に対する、スリットが形成する連通孔の開口部からの距離を確保することができる。その結果、スリットから漏れ出したガスが上記空間に与える影響を抑えることができる。
図1は、本発明の実施形態としての高圧ガスタンク100の概略構成を示す断面図である。本実施形態において、高圧ガスタンク100は、圧縮水素を貯蔵し、燃料電池車両に搭載される。高圧ガスタンク100は、ライナ10と、補強層20と、口金30と、口金40と、バルブ50と、を備える。ライナ10が、課題を解決するための手段における「タンク本体部」に相当する。ライナ10、補強層20、および口金40のそれぞれは、概ね、軸線Oを中心とする回転対称に形成されている。
図2は、口金30とバルブ50との接続部の様子を拡大して示す説明図である。図2では、バルブ50以外の箇所は、断面の様子を表わしている。図2に示すように、バルブ50は、口金30の円筒部36内に挿入されている円柱状の部分の外周面に、雄ねじが形成されている。また、口金30の円筒部36の内周面には、雌ねじが形成されている。これらの雄ねじと雌ねじとが螺合されることにより、バルブ50が、口金30の開口部に取り付けられる。
図6は、本発明の実施形態の高圧ガスタンク100を搭載した燃料電池車両である車両70の概略構成を示す説明図である。車両70は、駆動燃料を貯蔵する燃料タンクとして、圧縮水素が貯蔵された高圧ガスタンク100を搭載している。そして、高圧ガスタンク100の水素を用いて燃料電池75が発電した電力を、図示しないモータに供給して、車両の駆動力を得る。なお、燃料電池75を含む燃料電池システムにおいて、燃料電池75に対する水素供給に関する部位以外の部位については、図示および説明を省略する。
・変形例1(スリットの変形):
上記実施形態では、スリット連通孔の開口部31は、位置合わせマーク39を鉛直方向の最上点に配置したときに、軸線Oよりも鉛直方向下方に存在することとしたが、異なる構成としてもよい。例えば、位置合わせマーク39を鉛直方向最下点に配置したときに、スリット連通孔の開口部31が軸線Oよりも鉛直方向下方に存在することとしてもよい。このような場合であっても、位置合わせマーク39から、高圧ガスタンク100の軸線Oに向かって軸線Oに垂直な方向に延ばす第1の直線(直線L1に相当)と、口金30の外周面側に形成されるスリット連通孔の開口部31から軸線Oに向かって軸線Oに垂直な方向に延ばす第2の直線(直線L2に相当)とを、軸線O方向から見たときに、第1の直線と第2の直線とが成す鋭角側の角度が、30°以下であればよい。このような場合には、位置合わせマーク39が鉛直方向最下点となるように高圧ガスタンク100を配置することで、実施形態と同様の効果が得られる。
上記実施形態では、口金30の座面32およびバルブ50の接触面は、高圧ガスタンク100の軸線Oに垂直に形成したが、異なる構成としてもよい、上記座面32および接触面が、軸線Oに対して垂直ではない場合であっても、スリット連通孔の開口部31を含み軸線Oに垂直な高圧ガスタンク100の断面において、この断面の外周における鉛直方向の最上点(図5のMuに相当)と軸線Oとを結ぶ直線(直線L1に相当)と、スリット連通孔の開口部31と軸線Oとを結ぶ直線(直線L2に相当)と、が成す鋭角側の角度が、30°以下であればよい。
上記実施形態では、高圧ガスタンク100の軸線Oが水平方向に平行になるように高圧ガスタンク100を配置すると共に、このとき、スリット連通孔の開口部31が、鉛直方向最下点近傍になるようにスリット33を形成したが、異なる構成としてもよい。異なる配置とする場合であっても、スリットを設けることにより、空間34における圧力P1の上昇を抑え、Oリング60におけるシール性の低下を抑える同様の効果が得られる。
上記実施形態では、口金30の内周面とバルブ50の外周面との間の隙間をシールするシール部材としてOリング60を用いたが、異なる構成としてもよい。例えば、Oリング以外の形状の種々のガスケットを用いることができる。
上記実施形態では、高圧ガスタンク100は、圧縮水素を貯蔵することとしたが異なる構成としてもよい。水素以外の高圧ガスを貯蔵する高圧ガスタンクにおいても、本願発明を適用することにより同様の効果が得られる。
上記実施形態では、高圧ガスタンク100を、燃料電池75を備える車両70に搭載したが、異なる構成としてもよい。例えば、燃料電池車両以外の移動体に搭載されて、駆動燃料であるガスを貯蔵する燃料タンクにおいて、本願発明を適用する場合であっても、同様の効果が得られる。また、移動体以外の装置で用いるガスを貯蔵する高圧ガスタンクにおいて、本願発明を適用してもよく、同様の効果が得られる。このとき、さらに、図5で説明したようにスリット連通孔の開口部が鉛直方向最下点近傍になるように配置するならば、高圧ガスタンクの設置箇所の上方の空間に対するスリット連通孔の開口部からの距離を確保して、スリットから漏れ出したガスが上記空間に対して与える影響を抑えることができる。
20…補強層
30…口金
31…開口部
32…座面
33…スリット
34…空間
35…端部
36…円筒部
37…リング溝
38…鍔部
39…位置合わせマーク
40…口金
50…バルブ
60…Oリング
62…バックアップリング
70…車両
75…燃料電池
76…水素供給路
100…高圧ガスタンク
110…フロアパネル
Claims (4)
- 高圧ガスタンクであって、
ガスを貯蔵する空間が内部に形成されたタンク本体部と、
前記タンク本体部の開口部に取り付けられた口金と、
前記口金の開口部に取り付けられて前記タンク本体部へのガス給排口を開閉するバルブであって、該バルブの一部が前記口金の開口部から前記口金の内部に挿入されていると共に、前記口金の開口部を形成する前記口金の端部の面である座面に接する接触面を有するバルブと、
前記バルブにおける前記口金の開口部の内部に挿入されている部位の外周面と、前記口金の内周面との間に配置されるシール部材と、
を備え、
前記口金の前記座面および前記バルブの前記接触面の少なくとも一方において、前記口金と前記バルブとの間の空間と、前記高圧ガスタンクの外部と、を連通させる連通孔を形成するスリットが設けられている
高圧ガスタンク。 - 請求項1に記載の高圧ガスタンクであって、
前記バルブは、前記口金の前記座面を覆って、前記座面の外周からはみ出すように配置されている
高圧ガスタンク。 - 請求項1または請求項2に記載の高圧ガスタンクであって、
前記口金は、該口金の外周面に、前記高圧ガスタンクの外部から視認可能な位置合わせマークを有しており、
前記位置合わせマークから、前記高圧ガスタンクの軸線に向かって前記軸線に垂直な方向に延ばす第1の直線と、前記口金の外周面側に形成される前記連通孔の開口部から、前記軸線に向かって前記軸線に垂直な方向に延ばす第2の直線とを、前記軸線が延びる方向から見たときに、前記第1の直線と前記第2の直線とが成す鋭角側の角度は、30°以下である
高圧ガスタンク。 - 駆動燃料を貯蔵する燃料タンクとして、請求項1から請求項3までのいずれか一項に記載の高圧ガスタンクを搭載する移動体であって、
前記高圧ガスタンクは、前記移動体における室内部分に対して下方の位置で、前記高圧ガスタンクの軸線が水平方向に平行になるように配置されており、
前記口金の外周面側に形成される前記連通孔の開口部を含み前記軸線に垂直な前記高圧ガスタンクの断面において、
前記連通孔の開口部は、前記軸線よりも鉛直方向下方に存在し、
前記断面の外周における鉛直方向の最上点と前記軸線とを結ぶ第3の直線と、前記連通孔の開口部と前記軸線とを結ぶ第4の直線と、が成す鋭角側の角度は、30°以下である
移動体。
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