EP2778499A1 - Nabenstruktur - Google Patents

Nabenstruktur Download PDF

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Publication number
EP2778499A1
EP2778499A1 EP20140158941 EP14158941A EP2778499A1 EP 2778499 A1 EP2778499 A1 EP 2778499A1 EP 20140158941 EP20140158941 EP 20140158941 EP 14158941 A EP14158941 A EP 14158941A EP 2778499 A1 EP2778499 A1 EP 2778499A1
Authority
EP
European Patent Office
Prior art keywords
boss
internal liner
boss part
boss structure
valve
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
Application number
EP20140158941
Other languages
English (en)
French (fr)
Other versions
EP2778499B1 (de
Inventor
Cengiz Ozkan
Emre Sen
Fikret Senel
Veysel Celal BEYSEL
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tofas Turk Otomobil Fabrikasi AS
Original Assignee
Tofas Turk Otomobil Fabrikasi AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tofas Turk Otomobil Fabrikasi AS filed Critical Tofas Turk Otomobil Fabrikasi AS
Publication of EP2778499A1 publication Critical patent/EP2778499A1/de
Application granted granted Critical
Publication of EP2778499B1 publication Critical patent/EP2778499B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F17C13/06—Closures, e.g. cap, breakable member
    • 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
    • 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
    • F17C2201/05—Size
    • F17C2201/056—Small (<1 m3)
    • 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
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0604—Liners
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0619—Single wall with two layers
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/066—Plastics
    • 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
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/0663—Synthetics in form of fibers or filaments
    • 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
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • 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
    • 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
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • 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
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036—Very high pressure (>80 bar)

Definitions

  • the present invention relates to a boss structure of compressed natural gas tanks which enable to store natural gas on vehicles.
  • the storage method that is most widely used for storing natural gas on vehicles is storage via compression.
  • Storage in CNG (Compressed Natural Gas) tanks is made in cylindrical tanks under 200-250 bar pressure.
  • a boss section part made of a metallic material is used for providing a gastight (sealing) connection with a valve to be coupled at the boss section.
  • the metal boss section part should be rigidly fixed into the plastic internal liner.
  • the first one of the forces that will act on the metal boss section part is the pressure of the compressed natural gas that will act on in the axial direction of the tank.
  • the second force is the rotation force that will act on in composite winding process and torquing and tightening the valve to the boss section metal part.
  • the most widely used applications are filling the gaps of different forms provided on the metal boss section part by the molten plastic material during production of the plastic internal liner and thereby providing integration.
  • the most critical points here are the form of the gaps, ability to produce this form with gaps in the metal boss insert (1) by the selected production method, and ability to fill these gaps by the production method selected during production of the plastic internal liner. It is expected that the integration form provided after the production ensures the expected strength criteria.
  • plastic blow-molding method is widely used for production of plastic internal liner.
  • Another application used in production of plastic internal liner (3) is producing the boss section parts via plastic injection and then welding it with the middle cylindrical part produced by extrusion via plastic butt welding.
  • the United States patent document no. US5476189 discloses a pressure vessel for holding fluidized gases.
  • the vessel comprises an outer shell fabricated of a composite material.
  • a damage mitigating material is used in the outer shell, and its design is made different for safety purposes.
  • the European patent document no. EP0550951A1 discloses a boss region having a polar opening in a pressure vessel.
  • the boss comprises a filament wound outer shell and a non-metallic internal liner.
  • the United States patent document no US5979692 discloses a boss section pressure vessel.
  • the boss includes an outer reinforcing shell and an inner liner having a radially extending flange.
  • the objective of the present invention is to provide a boss structure which can be produced in a single stage.
  • Another objective of the present invention is to provide a boss structure which can resist the forces created by the pressure of compressed natural gas in the axial direction of the tank.
  • a further objective of the present invention is to provide a boss structure which can be fixed on an outer apparatus during torquing and tightening of the valve and which thus enables to prevent transmission of the resulting torque to the internal liner which has a weak strength.
  • Another objective of the present invention is to provide a boss structure which provides strength in the rotation direction since it does not rotate independent of the internal liner.
  • the boss structure (1) of the present invention comprises:
  • the invention relates to a coated or uncoated metal boss structure (insert) which is used in composite type CNG (compressed natural gas) tanks.
  • the outer shell (2) is manufactured from a composite material.
  • resin and carbon fiber filament material are used as composite material for producing the outer shell (2).
  • the main function of the outer shell (2) is to provide strength against the high pressure load produced by the compressed natural gas (CNG) stored in the tank.
  • the internal liner (3) enables sealing for the high pressure compressed natural gas stored therein and provides a surface for the outer shell (2) that is wrapped thereon.
  • the internal liner (3) can be produced with different plastic materials such as HDPE (high density polyethylene), XPE (cross-linked polyethylene), PP (Polypropylene) and PA (polyamide) and mixtures thereof by using rotational molding method.
  • HDPE high density polyethylene
  • XPE cross-linked polyethylene
  • PP Polypropylene
  • PA polyamide
  • "fluoridation" can also be applied to the tanks produced with rotational molding method.
  • the boss part (4) enables a sealing connection with the valve that is mounted to the tank for controlling natural gas flow.
  • the boss part (4) which is preferably made of a metal material, should be rigidly integrated with the internal liner (3) so that it can maintain its position under high pressure.
  • the boss part (4) should also be resistant against the rotational forces acting thereon.
  • the boss part (4) is preferably made of aluminum material considering the strength and weight criteria. It can be produced coated or uncoated in order to provide different features. All of the integration solutions used in the design are provided so as to allow production of the boss part (4), which is preferably made of aluminum material, by machining (metal cutting) methods in an economical manner. In mass production conditions, the part can be economically produced at higher numbers by casting method.
  • the boss part (4) can be produced completely during production of the internal liner (3) via rotational molding method, by being processed directly in the internal liner (3) mold by providing integration with the internal liner (3).
  • a sealing gasket (5) which enables gas-tightness of the valve that will be mounted to the tank.
  • the valve (4) can be tightened to the boss part (4) under torque by using a sealing gasket (5).
  • boss structure (1) of the present invention brings along integration solutions, different aspects and advantages.
  • composite resin outer shell (2), plastic internal liner (3) and metal boss part (4) are used together in harmony and thereby the tank is enabled to fulfill the expected targets.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
EP14158941.6A 2013-03-11 2014-03-11 Nabenstruktur Active EP2778499B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR2013/02927A TR201302927A2 (tr) 2013-03-11 2013-03-11 Boğaz yapısı.

Publications (2)

Publication Number Publication Date
EP2778499A1 true EP2778499A1 (de) 2014-09-17
EP2778499B1 EP2778499B1 (de) 2019-03-27

Family

ID=50685740

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14158941.6A Active EP2778499B1 (de) 2013-03-11 2014-03-11 Nabenstruktur

Country Status (2)

Country Link
EP (1) EP2778499B1 (de)
TR (1) TR201302927A2 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110107798A (zh) * 2019-05-24 2019-08-09 江苏国富氢能技术装备有限公司 一种塑料内胆碳纤维全缠绕储氢气瓶瓶口结构
CN110637186A (zh) * 2017-05-24 2019-12-31 陆型技术公司 用于压力容器的带螺纹的凸台
DE102015223538B4 (de) * 2015-11-27 2021-01-28 Bayerische Motoren Werke Aktiengesellschaft Brennstofftank für ein Fahrzeug
US20220099250A1 (en) * 2020-09-28 2022-03-31 Hanwha Solutions Corporation High-pressure tank having sealing boss and manufacturing method thereof
CN114542973A (zh) * 2022-04-26 2022-05-27 南通赛尔特设备安装有限公司 一种带有排气辅助装置的压力容器
WO2023003688A1 (en) * 2021-07-23 2023-01-26 Steelhead Composites, Inc. Boss for type iv composite pressure vessels

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202013851D0 (en) * 2020-09-03 2020-10-21 Rolls Royce Plc Composite gas storage tank

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0550951A1 (de) 1992-01-10 1993-07-14 Technical Products Group, Inc. Polstück für ein fasergewickeltes Druckgefäss
US5476189A (en) 1993-12-03 1995-12-19 Duvall; Paul F. Pressure vessel with damage mitigating system
DE19631546C1 (de) * 1996-07-24 1997-11-13 Mannesmann Ag Composite-Druckbehälter zur Speicherung von gasförmigen Medien unter Druck mit einem Liner aus Kunststoff
DE19751411C1 (de) * 1997-11-14 1999-01-14 Mannesmann Ag Composite-Druckbehälter zur Speicherung von gasförmigen Medien unter Druck mit einem Liner aus Kunststoff
US5979692A (en) 1998-03-13 1999-11-09 Harsco Corporation Boss for composite pressure vessel having polymeric liner
US20070164561A1 (en) * 2004-03-11 2007-07-19 Joong-hee Lee High gas-tightened metallic nozzle-boss for a high pressure composite vessel
US20080251520A1 (en) * 2007-04-06 2008-10-16 Toyoda Gosei Co., Ltd. Pressure vessel
EP2034199A1 (de) * 2007-09-04 2009-03-11 Yachiyo Industry Co., Ltd. Dichtungsstruktur für einen Hochdruckbehälter
WO2010080948A1 (en) * 2009-01-09 2010-07-15 Lincoln Composites Pressure vessel boss and liner interface
EP2322841A2 (de) * 2009-11-11 2011-05-18 Yachiyo Industry Co., Ltd. Druckbehälter mit verbesserter Dichtungsanordnung
US20110304083A1 (en) * 2010-06-15 2011-12-15 Gm Global Technology Operations, Inc. Process and apparatus for forming an inner vessel liner for a pressure vessel
FR2962782A1 (fr) * 2010-07-16 2012-01-20 Djp Embout de remplissage pour un reservoir de gaz.

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0550951A1 (de) 1992-01-10 1993-07-14 Technical Products Group, Inc. Polstück für ein fasergewickeltes Druckgefäss
US5476189A (en) 1993-12-03 1995-12-19 Duvall; Paul F. Pressure vessel with damage mitigating system
DE19631546C1 (de) * 1996-07-24 1997-11-13 Mannesmann Ag Composite-Druckbehälter zur Speicherung von gasförmigen Medien unter Druck mit einem Liner aus Kunststoff
DE19751411C1 (de) * 1997-11-14 1999-01-14 Mannesmann Ag Composite-Druckbehälter zur Speicherung von gasförmigen Medien unter Druck mit einem Liner aus Kunststoff
US5979692A (en) 1998-03-13 1999-11-09 Harsco Corporation Boss for composite pressure vessel having polymeric liner
US20070164561A1 (en) * 2004-03-11 2007-07-19 Joong-hee Lee High gas-tightened metallic nozzle-boss for a high pressure composite vessel
US20080251520A1 (en) * 2007-04-06 2008-10-16 Toyoda Gosei Co., Ltd. Pressure vessel
EP2034199A1 (de) * 2007-09-04 2009-03-11 Yachiyo Industry Co., Ltd. Dichtungsstruktur für einen Hochdruckbehälter
WO2010080948A1 (en) * 2009-01-09 2010-07-15 Lincoln Composites Pressure vessel boss and liner interface
EP2322841A2 (de) * 2009-11-11 2011-05-18 Yachiyo Industry Co., Ltd. Druckbehälter mit verbesserter Dichtungsanordnung
US20110304083A1 (en) * 2010-06-15 2011-12-15 Gm Global Technology Operations, Inc. Process and apparatus for forming an inner vessel liner for a pressure vessel
FR2962782A1 (fr) * 2010-07-16 2012-01-20 Djp Embout de remplissage pour un reservoir de gaz.

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015223538B4 (de) * 2015-11-27 2021-01-28 Bayerische Motoren Werke Aktiengesellschaft Brennstofftank für ein Fahrzeug
CN110637186A (zh) * 2017-05-24 2019-12-31 陆型技术公司 用于压力容器的带螺纹的凸台
CN110637186B (zh) * 2017-05-24 2021-09-14 陆型技术公司 用于压力容器的带螺纹的凸台
US11371653B2 (en) 2017-05-24 2022-06-28 Hexagon Technology As Threaded boss for pressure vessel
CN110107798A (zh) * 2019-05-24 2019-08-09 江苏国富氢能技术装备有限公司 一种塑料内胆碳纤维全缠绕储氢气瓶瓶口结构
US20220099250A1 (en) * 2020-09-28 2022-03-31 Hanwha Solutions Corporation High-pressure tank having sealing boss and manufacturing method thereof
WO2023003688A1 (en) * 2021-07-23 2023-01-26 Steelhead Composites, Inc. Boss for type iv composite pressure vessels
US20230022376A1 (en) * 2021-07-23 2023-01-26 Steelhead Composites, Inc. Boss for type iv composite pressure vessels
CN114542973A (zh) * 2022-04-26 2022-05-27 南通赛尔特设备安装有限公司 一种带有排气辅助装置的压力容器

Also Published As

Publication number Publication date
TR201302927A2 (tr) 2014-09-22
EP2778499B1 (de) 2019-03-27

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