US3780900A - Low temperature liquefied gas tank of a membrane type - Google Patents

Low temperature liquefied gas tank of a membrane type Download PDF

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Publication number
US3780900A
US3780900A US00191945A US3780900DA US3780900A US 3780900 A US3780900 A US 3780900A US 00191945 A US00191945 A US 00191945A US 3780900D A US3780900D A US 3780900DA US 3780900 A US3780900 A US 3780900A
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United States
Prior art keywords
vessel
primary
inner vessel
secondary inner
space formed
Prior art date
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Expired - Lifetime
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US00191945A
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English (en)
Inventor
K Yamamoto
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.)
Eneos Globe Corp
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Eneos Globe Corp
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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
    • F17C3/00—Vessels not under pressure
    • F17C3/02—Vessels not under pressure with provision for thermal insulation
    • F17C3/025—Bulk storage in barges or on ships
    • 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
    • F17C2203/0626—Multiple walls
    • F17C2203/0629—Two walls
    • 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
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0102—Applications for fluid transport or storage on or in the water
    • F17C2270/0105—Ships
    • F17C2270/0107—Wall panels
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S220/00—Receptacles
    • Y10S220/90—Rupture proof
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S220/00—Receptacles
    • Y10S220/901—Liquified gas content, cryogenic

Definitions

  • ABSTRACT A tank of membrane type for containing low temperature liquefied gases such as petroleum gases, comprising an outer vessel of a rigid structure, 'an inner vessel made of a membrane or thin sheet for containing low temperature liquefied gases, and a heat insulating intermediate layer disposed between the outer and inner vessels, wherein the improvement resides in that a secondary inner vessel made of a membrane or thin sheet is provided between the heat insulating intermediate UNITED STATES PATENTS layer and the first mentioned or primary inner vessel 646,459 4/1900 Place 220/9 LG as a secondary barrier wall which prevents the lique- 3,282,459 11/1966 Wilson 220/3 fied gases which may leak out of the primary inner 3562-936 2/1971 220/9 LG vessel due to breakage thereof from affecting the heat 3319x431 5/1967 Clarke 220/9 LG insulating intermediate layer and the outer vessel.
  • This invention relates to a tank of a membrane type for containing low temperature liquefied gases such as petroleum gases, which are gaseous at normal temperature, but which are liquefied at normal pressure and low temperature.
  • a conventional tank for the abovementioned purpose is generally composed of an outer vessel of a pressure-resisting structure, a heat insulating layer provided on the inside of the outer vessel, and an inner vessel made of a membrane or thin sheet and adapted tobe flexibly deformed by the internal pressure exerted by the liquefied gases contained therein so as to come in close contact with the inside surface of the heat insulating layer, whereby the internal pressure is supported by the outer vessel through the heat insulating intermediate layer.
  • a secondary barrier wall is provided to temporarily prevent leakage of liquefied gases when the liquid-tightness of the inner vessel has been broken.
  • the secondary barrier wall must not only be liquid-tight but also withstand hydraulic pressure and low temperature, and therefore, the secondary barrier wall requires expensive materials and a complicated design. Thus, they provision of the secondary barrier wall increases the overall manufacturing cost of the tank.
  • a low temperature liquefied gas tank of a membrane type comprising an outer vessel of a rigid structure, an inner vessel made of a membrane for containing low temperature liquefied gases, and a heat insulating intermediate layer disposed between the outer and inner vessels, characterized in that a secondary inner vessel made of a membrane is provided between the heat insulating intermediate layer and the first mentioned inner vessel.
  • the first mentioned inner vessel which is called a primary inner vessel hereinunder, is wrapped by the secondary inner vessel in close contact therewith in a manner of providing a dual-walled membranous vessel for containing low temperature liquefied gases therein, while the secondary inner vessel also performs the role of a secondary barrier wall, whereby it is unnecessary to provide the conventional secondary barrier wall of a relatively complicated and expensive structure incorporated in the heat insulating layer.
  • the secondary inner vessel is made of a membrane or thin sheet which has a smaller thickness than the membrane forming the primary inner vessel, while the radius of curvature at'the curved edge portions of the secondary inner vessel is designed to be smaller than that of the primary inner vessel.
  • the pressure in the space formed between the primary and secondary inner vessels is controlled to be not lower than the pressure prevailing at the outside of the secondary inner vessel and to be not higher than the pressure in the primary inner vessel.
  • the space formed between the primary and secondary inner vessels and the space formed between the secondary inner vessel and the outer vessel are respectively communicated through gas pipes to gas analyzing means, whereby leakage of the primary inner vessel is readily detected by analyzing the atmosphere filling the space formed between the primary and secondary inner vessels, while leakage of the secondary inner vessel is readily detected by analyzing the atmosphere filling the space formed between the secondary inner vessel and the outer vessel.
  • overhanging roof portions of the primary and secondary inner vessels are supported by a plurality of cantilevers extending from peripheral portions of a trunk of the tank.
  • a low temperature liquefied gas tank of a membrane type it is generally required that the membranous inner vessel is applied as little restriction as possible so that the inner vessel can be more freely deformed according to variations of temperature and/or load, while it is required that the inner vessel is properly supported from collapsing when the inside of the inner vessel is laid under normal presure, such as at the time of construction or maintenance.
  • the cantilevers as mentioned above, it is accomplished that the membranous primary and secondary inner vessels are effectively supported from collapsing while they are left free from any substantial restriction in case of deformation thereof due to variations of temperature and/or load.
  • FIG. 1 is a cross section of a part the hull of a tanker constituting a low temperature liquefied gas tank;
  • FIG. 2 is a section along line II-II in FIG. 1;
  • FIG. 3 is a section along line III-Ill in FIG. 1.
  • FIG. 4 is a section, on an enlarged scale, along the line IV-IV in FIG. 1.
  • a dual-walled hull-l including a rigid inner wall la provides arigid outer vessel of a low temperature liquefied gas tank incorporated in the tanker.
  • a heat insulating layer 2 of a pressure resisting structure At the inside of the inner wall la, there is provided a heat insulating layer 2 of a pressure resisting structure.
  • a membranous vessel 3a As the secondary inner vessel, and still further at the inside of the membranous vessel 30, there is provided another membranous vessel 3 as the primary inner vessel.
  • the heat insulating layer 2 may be made of a material having by itself pressure resisting characteristic, such as rigid polyurethane foam, or may be made of frames such as wooden frames defining a space which is filled with heat insulating materials such as granular pearlite, etc.
  • the inner vessels 3 and 3a are respectively formed of a membrane or thin sheet of low temperature resisting material such as nickel steel, stainless steel or aluminum.
  • the thickness of the secondary inner vessel 3a is designed to be about 1 mm.
  • the secondary inner vessel 3a is formed much thinner than the primary inner vessel 3 (See FIG. 4)
  • a trunk 5 having a rigid structure reinforced by brackets 4.
  • the trunk 5 is gas-tightly connected with the primary and secondary inner vessels 3, 30 at its flanged portion 5a provided adjacent the lower end thereof.
  • the space formed between the primary and secondary inner vessels is also gas-tightly closed at the portion where they are connected with the flanged portion 5a.
  • the trunk 5 is mounted to the dual-walled hull l by the flanged portion 5a and another flanged portion 5b via mounting pieces 6 and 7 made of a rigid heat insulating material.
  • An annular space 8 formed between the hull l and the trunk 5 is filled with a heat insulating material so that the low temperature in the inner vessel does not directly affect the hull of the tanker.
  • Loading and unloading pipes, gas pipes, etc. (not shown) to be introduced into the primary inner vessel 3 are all passed through the trunk 5.
  • the trunk is closed by a cover (not shown), through which the abovementioned pipes are gas-tightly penetrating.
  • a plurality of cantilevers nine are mounted at lower end portions of the trunk 5 along the periphery thereof so that the cantilevers extend radially outwardly around the trunk.
  • By these cantilevers are supported the roof portions of the primary and secondary inner vessels 3, 3a from collapsing due to their gravity when the inside of the primary inner vessel 3 is laid under normal pressure at non-loading condition.
  • the gas-tight space formed between the primary and secondary inner vessels 3, 3a is in communication with a gas pipe 10, and the space formed between the secondary inner vessel 3a and the rigid hull inner wall la is in communication with a gas pipe 11.
  • These two pipes can be communicated with each other by a connecting pipe 13 including a valve 12 therein, and are respectively connected to pumps (not shown).
  • These gas pipes serve to extract gas samples for analyzing the ing to the following formulae:
  • curved edge portions of the primary and secondary inner vessels is determined based upon the maximum internal pressure expected, the thickness of the respective inner vessels, and the allowable hoop stress of the materials forming the respective inner vessels accord- 0' PRg/tg where,
  • FIG. 2 shows a section along line Il--ll in FIG. 1 and actually shows an edge portion of the tank extending in vertical direction. Also in this case, the curved edge portions of the primary and secondary inner vessels 3, 3a are so formed that the radius of curvature R of the secondary inner vessel is smaller than the radius of curvature R of the primary inner vessel.
  • the curved edge portions of the primary and secondary inner vessels extending along the bottom edge portion of the tank are formed to have a substantially same radius of curvature, because at these portions the two inner vessels are both pressed by the liquid load contained in the primary inner vessel to come in tight contact with the inside surface of the heat insulating layer 2.
  • the pressure in the space formed between the primary and secondary inner vessels 3, 3a is adjusted to be not lower than the pressure in the space formed between the secondary inner vessel 3a and the hull inner 1a and to be not higher than the pressure in the primary inner vessel 3 through the gas pipes 10 and l 1, whereby it is positively avoided that the curved edge portion of the secondary inner vessel made of a relatively thin membrane or film and having a smaller radius of curvature is pressed upon the curved edge portion of the primary inner vessel having a larger radius of curvature and is thereby caused to buckle.
  • a convenient method of keeping the pressure in the space formed between the primary and secondary inner vessels 3, 3a constantly not to be lower than the pressure in the space formed between the secondary inner vessel 3a and the hull inner wall la is to put the pipes and 11 in communication with each other through the pipe 13 by opening the valve 12.
  • the valve 12 must of course be closed when the gases in the abovementioned spaces are to be analyzed through the pipes 10 and 11.
  • the space formed between the secondary inner vessel 3a and the hull inner wall la including the heat insulating layer 2 may preferably be charged with nitrogen gas or other inert gas to reduce the danger of ignition of the combustible gases in case that they leak out of the primary inner vessel into the space.
  • nitrogen gas or other inert gas such as for example ammonia
  • the secondary inner vessel 30 serves as a secondary barrier wall which has sufficient fluid-tightness and durability, the tank requires no urgent countermeasure.
  • the secondary inner vessel 3a can be constructed much easier and at much lower cost than the conventional secondary barrier wall, and yet the secondary inner vessel provides very high reliability of a low temperature liquefied gas tank of a membrane type even under severe operating condition imposed on such tanks.
  • a membrane-type tank for storing lowtemperature liquefied gas comprising: a rigid outer vessel; a heat-insulating, pressure-resistant intermedi ate layer provided on the inside of said outer vessel; a
  • double-walled inner vessel disposed inside said intermediate layer and including a primary inner vessel made of a flexible membrane and adapted to contain low temperature liquefied gas therein and a secondary inner vessel made of a flexible membrane and enclosing said primary inner vessel therein, said membranes being made of low-temperature resisting metal, said double-walled inner vessel being supported so as to be flexibly deformed by the internal pressure exerted by the liquefied gas contained therein to come into close contact with the inside surface of the heat-insulating layer wherein said primary and secondary inner vessels are in close contact with each other over substantially the entire area thereof, whereby the internal pressure is supported by the outer vessel through the heatinsulating intermediate layer, the membrane forming the secondary inner vessel having a smaller wall thickness than the membrane forming the primary inner vessel, and the radius of curvature at curved edge portions of the secondary inner vessel being smaller than the ra dius of curvature of corresponding edge portions of the primary vessel.
  • a tank according to claim 1, wherein the pressure in the space formed between the primary and secondary inner vessels is controlled to be not lower than the pressure in the space formed between the secondary inner vessel and the outer vessel and to not be higher than the pressure in the primary inner vessel.
  • a tank according to claim 1 wherein the space formed between the primary and secondary inner vessels and the space formed between the secondary inner vessel and the outer vessel are respectively communicated through gas pipes to gas analyzing means.
  • a tank according to claim 3 wherein said two gas pipes are connected with each other by a pipe having a cut-off valve therein.
  • a tank according to claim 1 wherein overhanging roofportions of the primary and secondary inner vessels are supported by a plurality of cantilevers extending from peripheral portions of a trunk of the tank.
  • a tank according to claim 1 wherein the space formed between the primary and secondary inner vessels is charged with a gas other than the gas charged in the space formed between the outer vessel and the secondary inner vessel.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
US00191945A 1970-11-10 1971-10-22 Low temperature liquefied gas tank of a membrane type Expired - Lifetime US3780900A (en)

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Application Number Priority Date Filing Date Title
JP45098488A JPS5142766B1 (nl) 1970-11-10 1970-11-10

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US (1) US3780900A (nl)
JP (1) JPS5142766B1 (nl)
DE (1) DE2154762B2 (nl)
FR (1) FR2113755A5 (nl)
GB (1) GB1368608A (nl)
IT (1) IT939171B (nl)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3998350A (en) * 1974-04-25 1976-12-21 Gazocean Semi-membrane like container, heat-insulated fluid-tight tank embodying same and methods of making same
US4013189A (en) * 1974-08-08 1977-03-22 Conch, Lng Insulation system for liquified gas tanks
US4050609A (en) * 1976-09-13 1977-09-27 Hitachi Shipbuilding & Engineering Co. Heat insulating device for low temperature liquified gas storage tanks
US4376489A (en) * 1981-02-23 1983-03-15 Bethlehem Steel Corporation Container for hazardous material
US4408628A (en) * 1982-01-29 1983-10-11 Monk Robert J System and method for repair of leaking storage tanks containing fluids which contaminate ground water
US4552166A (en) * 1984-04-06 1985-11-12 Dc Technologies, Inc. Secondary containment system and method
US4877153A (en) * 1988-02-04 1989-10-31 Air Products And Chemicals, Inc. Method and apparatus for storing cryogenic fluids
US4988014A (en) * 1989-02-04 1991-01-29 Air Products And Chemicals, Inc. Method and apparatus for storing cryogenic fluids
US5027971A (en) * 1990-10-04 1991-07-02 The B. F. Goodrich Company Reactor vessel
US5167352A (en) * 1988-03-21 1992-12-01 Robbins Howard J Double wall tank system
US5174079A (en) * 1986-12-01 1992-12-29 Convault, Inc. Fluid containment vault with homogeneous concrete-entombed tank
US5464116A (en) * 1993-05-20 1995-11-07 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Insulation structure for liquefied gas tank
US20080023493A1 (en) * 2006-07-25 2008-01-31 Lavan Charles K Storage system for fuel cell gases
US20080209918A1 (en) * 2007-03-02 2008-09-04 Enersea Transport Llc Storing, transporting and handling compressed fluids
WO2008133608A1 (en) * 2007-04-24 2008-11-06 Keip Charles P Pressurized hydrogen storage system
US20090026212A1 (en) * 2007-07-25 2009-01-29 Robbins Jess A Underground storage tank for flammable liquids
US20150176764A1 (en) * 2012-09-03 2015-06-25 SeaCaptaur IP PTY Ltd. Tank

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US646459A (en) * 1899-12-18 1900-04-03 James F Place Portable vessel or bottle for holding and shipping liquid air or other liquid gases.
US1424604A (en) * 1919-09-27 1922-08-01 Petits Fils Francois Wendel Receptacle for liquid air
GB1035957A (en) * 1962-10-10 1966-07-13 Gazocean S A Improvements in or relating to devices for transporting liquids
US3282459A (en) * 1964-10-02 1966-11-01 Allis Chalmers Mfg Co Pressure vessel having concentric casings
US3319430A (en) * 1965-01-25 1967-05-16 Exxon Research Engineering Co Liquid supported cryogenic container
US3319431A (en) * 1966-05-25 1967-05-16 Exxon Research Engineering Co Double walled cryogenic tank
US3562986A (en) * 1968-10-04 1971-02-16 Pittsburgh Des Moines Steel Liquid storage container
US3647103A (en) * 1969-12-19 1972-03-07 Foster Wheeler Corp Multilayer pressure vessel
US3666132A (en) * 1970-01-14 1972-05-30 Bridgestone Liquified Gas Co L Membrane container construction for storing low-temperature liquified gas

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3374641A (en) * 1966-04-25 1968-03-26 Mcmullen John J Arrangement for protecting liquefied gas transporting vehicles

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US646459A (en) * 1899-12-18 1900-04-03 James F Place Portable vessel or bottle for holding and shipping liquid air or other liquid gases.
US1424604A (en) * 1919-09-27 1922-08-01 Petits Fils Francois Wendel Receptacle for liquid air
GB1035957A (en) * 1962-10-10 1966-07-13 Gazocean S A Improvements in or relating to devices for transporting liquids
US3282459A (en) * 1964-10-02 1966-11-01 Allis Chalmers Mfg Co Pressure vessel having concentric casings
US3319430A (en) * 1965-01-25 1967-05-16 Exxon Research Engineering Co Liquid supported cryogenic container
US3319431A (en) * 1966-05-25 1967-05-16 Exxon Research Engineering Co Double walled cryogenic tank
US3562986A (en) * 1968-10-04 1971-02-16 Pittsburgh Des Moines Steel Liquid storage container
US3647103A (en) * 1969-12-19 1972-03-07 Foster Wheeler Corp Multilayer pressure vessel
US3666132A (en) * 1970-01-14 1972-05-30 Bridgestone Liquified Gas Co L Membrane container construction for storing low-temperature liquified gas

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3998350A (en) * 1974-04-25 1976-12-21 Gazocean Semi-membrane like container, heat-insulated fluid-tight tank embodying same and methods of making same
US4013189A (en) * 1974-08-08 1977-03-22 Conch, Lng Insulation system for liquified gas tanks
US4050609A (en) * 1976-09-13 1977-09-27 Hitachi Shipbuilding & Engineering Co. Heat insulating device for low temperature liquified gas storage tanks
US4376489A (en) * 1981-02-23 1983-03-15 Bethlehem Steel Corporation Container for hazardous material
US4408628A (en) * 1982-01-29 1983-10-11 Monk Robert J System and method for repair of leaking storage tanks containing fluids which contaminate ground water
US4552166A (en) * 1984-04-06 1985-11-12 Dc Technologies, Inc. Secondary containment system and method
US5174079A (en) * 1986-12-01 1992-12-29 Convault, Inc. Fluid containment vault with homogeneous concrete-entombed tank
US4877153A (en) * 1988-02-04 1989-10-31 Air Products And Chemicals, Inc. Method and apparatus for storing cryogenic fluids
US5167352A (en) * 1988-03-21 1992-12-01 Robbins Howard J Double wall tank system
US4988014A (en) * 1989-02-04 1991-01-29 Air Products And Chemicals, Inc. Method and apparatus for storing cryogenic fluids
US5027971A (en) * 1990-10-04 1991-07-02 The B. F. Goodrich Company Reactor vessel
US5464116A (en) * 1993-05-20 1995-11-07 Ishikawajima-Harima Jukogyo Kabushiki Kaisha Insulation structure for liquefied gas tank
US20080023493A1 (en) * 2006-07-25 2008-01-31 Lavan Charles K Storage system for fuel cell gases
US7886940B2 (en) * 2006-07-25 2011-02-15 Lockheed Martin Corporation Storage system for fuel cell gases
US20080209918A1 (en) * 2007-03-02 2008-09-04 Enersea Transport Llc Storing, transporting and handling compressed fluids
US9033178B2 (en) 2007-03-02 2015-05-19 Enersea Transport Llc Storing, transporting and handling compressed fluids
WO2008133608A1 (en) * 2007-04-24 2008-11-06 Keip Charles P Pressurized hydrogen storage system
US20090026212A1 (en) * 2007-07-25 2009-01-29 Robbins Jess A Underground storage tank for flammable liquids
US20150176764A1 (en) * 2012-09-03 2015-06-25 SeaCaptaur IP PTY Ltd. Tank

Also Published As

Publication number Publication date
DE2154762B2 (de) 1975-02-27
GB1368608A (en) 1974-10-02
JPS5142766B1 (nl) 1976-11-17
FR2113755A5 (nl) 1972-06-23
DE2154762A1 (de) 1972-05-18
IT939171B (it) 1973-02-10

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