US3466886A - Fluid-conveying arrangement - Google Patents

Fluid-conveying arrangement Download PDF

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Publication number
US3466886A
US3466886A US667056A US3466886DA US3466886A US 3466886 A US3466886 A US 3466886A US 667056 A US667056 A US 667056A US 3466886D A US3466886D A US 3466886DA US 3466886 A US3466886 A US 3466886A
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United States
Prior art keywords
fluid
conduit
temperature
jacket
arrangement
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Expired - Lifetime
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US667056A
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English (en)
Inventor
Conrad Doose
Hans Hemmerich
Wolfgang Sassin
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Forschungszentrum Juelich GmbH
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Kernforschungsanlage Juelich GmbH
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L39/00—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies
    • F16L39/02—Joints or fittings for double-walled or multi-channel pipes or pipe assemblies for hoses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/06—Arrangements using an air layer or vacuum
    • F16L59/065—Arrangements using an air layer or vacuum using vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/14—Arrangements for the insulation of pipes or pipe systems
    • F16L59/141—Arrangements for the insulation of pipes or pipe systems in which the temperature of the medium is below that of the ambient temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L9/00—Rigid pipes
    • F16L9/18—Double-walled pipes; Multi-channel pipes or pipe assemblies

Definitions

  • a fluid-conveying arrangement includes a jacket which is surrounded by ambient atmosphere at a first temperature.
  • a supply conduit is received with clearance in the jacket and is arranged to convey a fluid at a second temperature which greatly differs from the first temperature.
  • a thermal shield surrounds the supply conduit with spacing therefrom.
  • a return conduit extends along the supply conduit in heat-exchanging connection with the thermal shield and is adapted to contain the aforementioned fluid at a third temperature which is close or identical to the second temperature.
  • the present invention relates to a fluid-conveying arrangement in general, and in particular to a fluid-conveying arrangement for conveying cold gases between a refrigeration unit and a user unit.
  • proximity of the return flow conduit connecting the user unit with the refrigeration unit to the supply conduit has tended to unduly warm the gas in the latter because the gas in the former is of course at a relatively higher temperature, perhaps, to mention an example, at minus 260 C. while the gas in the supply conduit is at minus 270 C.
  • the heat radiated by the ambient atmosphere which is of course greatly warmer than the temperature of the gases in question which may, as first pointed out, reach values in the vicinity of minus 270 C. has presented such a problem. Warming of the gas in the colder supply conduit by proximity to the warmer return flow conduit has been overcome by separating the two conduits from one another.
  • the present invention overcomes the disadvantages outlined above.
  • the present invention provides a fluid-conveying arrangement, particularly for supplying cold or liquid gases in which the influence of the temperature of the ambient atmosphere on the contents of the conduits is extremely insignificant.
  • the arrangement according to the present invention makes possible the connection of conduit sections and jacket sections to one another, and with freedom of certain movements with reference to one another, without thereby increasing the susceptibility of the system to the influx of undesired heat from the ambient atmosphere.
  • the arrangement according to the present invention is relatively uncomplicated and requires no excessive expenditures of either a technical or an economic nature. It thus lends itself to a wide variety of uses, of which chemical and nuclear applications are exemplary.
  • a fluid-conveying arrangement which is particularly suited for supplying a fluid at a first temperature from a supply station to a user station and returning such fluid at -a second temperature from the user station to the supply station.
  • This arrangement includes jacket means whose circumferential wall is surrounded by ambient atmosphere at a first temperature.
  • Supply conduit means is received with clearance in this jacket means and is adapted to convey a fluid, such as a cold gas or a gas in liquid state, at a second temperature greatly different from the first temperature.
  • a fluid such as a cold gas or a gas in liquid state
  • the ambient temperature surrounding the jacket means may be on the order of +30 C.
  • the existing temperature differential between the jacket means and the supply conduit means in which the liquid helium is being conveyed therefore would be on the order of 300 C. and it can readily be seen why extraordinary precautions are necessary to prevent heat exchange under these circumstances.
  • our fluidconveying arrangement comprises thermal shielding means which extends along the supply conduit means within the jacket means and which is operative for preventing heat exchange between the jacket means and the supply conduit means.
  • the shielding means includes return conduit means through which the fluid is recirculated from the user device to the refrigeration device from where it has originally been supplied through the supply conduit means.
  • the fluid has undergone a rise in temperature. It will, however, still be significantly below the temperature of the jacket means.
  • the temperature at which the fluid is conveyed in the return conduit means while being intermediate the temperature of the fluid in the supply conduit means and the temperature of the jacket means, is likely to be significantly closer to the temperature of the fluid in the supply conduit means than to the temperature at which the jacket means is maintained by contact with the ambient atmosphere.
  • the temperature of the fluid in the return conduit means as a factor in our thermal shielding means, we are able to shield the supply conduit means against direct heat exchange with the jacket means.
  • FIG. 1 is a fragmentary axial section through a fluidconveying arrangement embodying our invention
  • FIG. 2 is a section taken on the line IIII og FIG. 1;
  • FIG. 3 is a section taken on the line IIIIII of FIG. 1;
  • PG. 4 is a fragmentary axial section through a fluidconveying arrangement embodying our invention and showing a novel coupling according to the invention
  • FIG. 5 is a fragmentary enlargement of portions of the embodiment illustrated in FIG. 4;
  • FIG. 6 is a view along the lines of FIG. 4, but illustrating another embodiment of a coupling according to our invention.
  • FIG. 7 is a schematic side view of a system utilizing our novel fluid-conveying arrangement.
  • FIG. 8 is a view of FIG. 7 as seen in the direction of the arrow A associated with the latter figure.
  • FIGS. 7 and 8 there is illustrated a refrigeration device W of any desire-d or suitable type.
  • the particular type of refrigeration device is of no consequence as far as the present invention is concerned.
  • a refrigerated fluid is to be supplied to a user device V which again may be any one of many devices utilizing such refrigerated fluids, and whose particular constructions is of no importance for the present invention.
  • the fluid must be recirculated from the user device to the refrigeration device, but only the supply conduit is illustrated in FIGS. 7 and 8 because this will suflice to explain the aspect of the invention which is to be clarified by these figures.
  • the refrigeration device W and the user device V are connected by means of 1a fluid-conveying arrangement R constructed in accordance with the present invention, as will be more fully developed hereafter.
  • our fluid-conveying arrangement R is provided with elbow-bends T. It is evident from FIG. 7 that the arrangement R consists of a plurality of individual sections each of which comprses at least one of the bends T. These sections are connected to one another by means of the couplings U and in such a manner that successive sections can be rotationally displaced with reference to one another.
  • the user device V can be moved from the fullline position to the dashed line position illustrated in FIG. 8, and it is simply necessary to adjust the novel arrangement by rotating successive sections about their respective couplings U. This is illustrated in dashed lines in FIG. 8.
  • this procedure also applies if the user device V is not to be moved, but if the refrigeration device W is simply to be connected to a second user device which may be positioned as indicated by the dashed lines in FIG. 8.
  • FIGS. 7 and 8 indicate by way of example a simple system utilizing our novel invention.
  • conduit 1 is assumed in this illustrated embodiment to be the supply conduit which connects a non-illustrated refrigeration devicecorrespond ing to the device W in FIGS. 7 and 8to a similarly nonillustrated user device which corresponds to the device V in FIGS. 7 and 8.
  • the flow of fluid is indicated by the arrow associated with conduit 1.
  • Conduit 2 is the return conduit through which the fluid, having been used at the user device and having undergone a temperature increase, is recirculated in the direction of the arrow associated with conduit 2 to the refrigeration device. Both of these conduits are arranged within a jacket 3 which is exposed to the ambient atmosphere and Whose interior is evacuated to reduce heat exchange with the circumferential wall of the jacket.
  • the return conduit 2 is connected in heat-exchanging relationship with a tubular radiation shield 4 which surrounds the conduit 1 with clearance, as best seen in FIGS. 2 and 3.
  • Conduit 1 is maintained spaced from the inner wall of the radiation shield 4 by provision of a plurality of spacing members 6 of which one is shown in FIGS. 1 and 3. The particular configuration of these spacing members 6 is of no consequence.
  • the radiation shield 4 and the return conduit 2, which conduit is secured to the radiation shield 4 in heat-exchanging relationship therewith, are maintained in spaced relationship from the wall of jacket 3 by means of spacing members 5 which again may be of any conventional configuration.
  • the spacing members 5 and 6 be ofiset from one another in axial direction of the conduits to prevent establishment of a thermal bridge between the wall of the jacket 3 and the supply conduit 1.
  • the connection in heat-exchanging relationship between the return conduit 2 land the radiation shield 4 be interrupted in the region where a thermal bridge exists between the wall of jacket 3 and the radiation shield 4.
  • the entire assembly consisting of the conduits 1 and 2 as well as the radiation shield 4 is surrounded within the jacket 3 by a sleeve of thermal insulating material 7, which material need not be more specifically identified because many such materials are well known to those skilled in the art.
  • the return conduit 2 and the radiation shield 4 By providing heat-exchanging connection between the return conduit 2 and the radiation shield 4, the latter is maintained substantially at the temperature of the fluid which returns from the user device to the refrigeration device.
  • This fluid while at a temperature higher than the temperature of the fluid passing through the supply conduit 1, is nevertheless at a temperature which is significantly below that of the wall of jacket 3, and thus the temperature differential between the supply conduit 1 and the radiation shield 4 is only a fraction of what it would be if the radiation shield 4 were to be allowed to rise to a temperature on the order of that at which the wall of jacket 3 is maintained by contact with the ambient atmosphere.
  • conduits 1 and 2 consist of individual sections which are to be connected by a coupling for the reasons already explained earlier.
  • FIG. 4 shows such an arrangement and it will be seen that in accordance with the invention the free ends of the conduits 1 and 2, which latter otherwise extend in axial parallelism with one another as evident both from FIGS. 1 and 4, are arranged so that they extend coaxially with one another.
  • FIG. 1 shows that the free end of the conduit 1 is arranged within the free end of conduit 2.
  • a collector 8 or a similar arrangement of known construction. It is this change-over from axial parallelism to a coaxial relationship which permits coupling of sucessive conduit sections in such a manner that they can be rotationally displaced with reference to one another.
  • FIG. 4 shows that compensation for longitudinal extension and contraction of the conduits 1 and 2 is made by means of bellows-shaped connectors 9. Only the connectors for the conduit 1 are illustrated in FIG. 4 but similar connectors can also be used for the conduit 2.
  • FIG. 4 illustrates that the bellows member 10 is aflixed to the free end of the conduit 2 of one section, whereas the bellows member 11 is aflixed to the free end of the conduit 2 of the next section.
  • the facing ends of the bellows members 10 and 11 in turn are provided with flange-shaped portions 12 and 13, respectively, and to effect proper sealing engagement between the abutment faces which are provided on the portions 12 and 13, these abutment faces are advantageously complementarily stepped, provided with an annular projection and a complementary annular groove, or made to interlock in a similar manner.
  • the free ends of the conduit sections 1 which are to be joined are advantageously telescoped at 14, 15 in fluid-tight manner although a connection can be eflected in any other suitable well-known way.
  • bellows members 10, 11 are prestressed, that is they exert a pressure in axial direction toward the respective other bellows member.
  • the members 10, 11 and the return conduit 2 are guided by means of a tubular section 16 which surrounds the adjacent free ends of the connected conduit sections 2 within the bellows members 10, 11.
  • a ring member 17 surrounds the flange-shaped member 13 and is secured by means of the illustrated bolts to the member 12.
  • FIG. 5 illustrates a preferred embodiment of the engagement between the members 12 and 13, which provides a particularly good sealing action between the abutment faces.
  • Member 12 is provided with a conically tapering annular abutment face 18 which is jointed at its opposite axial ends by radially extending annular abutment faces 21 and 23.
  • Member 13, in turn, is provided with a recess comprising an abutment face 19, complementary to the face 18, and joined at its opposite axial ends by radially extending abutment faces 20 and 22.
  • a sealing member 24 which may consist of various different materials but advantageously is an annulus of ductile metal, is disposed between these abutment faces of the members 12 and 13 so that, when the bolts securing the ring member 17 to the member 12 are tightened, the member 24 will be deformed between the abutment faces and will thus provide a reliable fluidtight connection therebetween. It is to be noted with respect to FIG. 5 that the arrangement illustrated there has, in section, two mirror-symmetrical sides and it is therefore evident that it suflices to illustrate only one of these sides, as has been done in FIG. 5.
  • each of the jacket sections 3 by means of any well known releasable vacuum-tight connection 25 with sleeves 26 which each carry at their respective free ends a flange.
  • the flanges are respectively provided with cooperating abutment faces 28 and 29 and coupling means 27 is provided for drawing the flanges together so that the abutment faces 28 and 29 engage in fluid-tight relationship.
  • the sealing action can be enhanced by disposing a sealing elementwhich is illustrated in FIG. 4, but not identified with a reference numeral-between the abutment faces 28 and 29, and such a sealing element may be an annulus of elastomeric material or the like.
  • a sealing element which is illustrated in FIG. 4, but not identified with a reference numeral-between the abutment faces 28 and 29, and such a sealing element may be an annulus of elastomeric material or the like.
  • FIG. 6 Corning, finally, to the embodiment illustrated in FIG. 6, it will be seen that this is an illustration of a coupling for effecting connection between two adjoining sections of the conduit 1 as well as between two adjoining sections of conduit 2.
  • the fluid flow in the respective conduits is indicated by the arrows.
  • the purpose of the embodiment in FIG. 6 is to provide a thermal decoupling between the conduit 1 and the conduit 2 at the point where the former passes through the latter in coaxial relationship therewith.
  • an insert 30 consisting of an outer tube 31 and a coextensive inner tube 32 which is coaxially arranged Within the outer tube 31.
  • the insert 30 has a length corresponding to the distance for which the conduit 1 is coaxial with the conduit 2 and the outer and inner tubes 31 and 32 are fluid-tightly connected to one another at their respective ends, thus defining between themselves an inner annular space 33.
  • this annular space 33 may be either evacuated and maintained at a vacuum, or it may be filled with a high-boiling gas which freezes when the arrangement is subjected to the operating temperatures of the fluid passing through the conduits.
  • a fluid-conveying arrangement particularly for supplying a fluid at one temperature from a supply station to a user station and for returning such fluid at another temperature from the user station to the supply station, comprising in combination, jacket means comprising a circumferential wall surrounded by ambient atmosphere at a first temperature; supply conduit means received with clearance in said jacket means and adapted to convey a fluid at a second temperature greatly different from said first temperature; and thermal shielding means operative for preventing direct heat exchange between said jacket means and said supply conduit means, said shielding means including a radiation shield surrounding said supply conduit means with spacing from the same as well as from said circumferential wall of said jacket means and said return conduit means extending at least in part within the confines of said radiation shield along said supply conduit means spaced therefrom and from said radiation shield, said return conduit means being adapted to contain said fluid at a third temperature close or identical to the said second temperature.
  • thermal shielding means further comprises connecting means connecting said return conduit means in thermally conductive relationship with said radiation shield.
  • said return conduit means comprises conduit portions extending along one side of said supply conduit means in thermally conductive relationship with said radiation shield.
  • a fluid-conveying arrangement particularly for supplying a fluid at a first temperature from a supply station to a user station and for returning such fluid at a second temperature from the user station to the supply station, comprising in combination, at least two sections each including jacket means having an open end and surrounded by ambient atmosphere at a third temperature; supply conduit means having a first end portion and being received with clearance in said jacket means and adapted to convey a fluid at said first temperature greatly different from said third temperature; thermal shielding means extending along the respective supply conduit means and including a radiation shield surrounding said supply conduit means spaced from the same and from said jacket means, and return conduit means extending along said supply conduit means within the confines of and spaced from said radiation shield and having a second end portion coaxial with said first end portion, said return conduit means being adapted to contain said fluid at said second temperature close or identical to said first temperature and said shielding means being operative for preventing direct heat exchange between said jacket means and said supply conduit means; and coupling means fluidtightly connecting the respective open ends of said jacket means, the respective first first
  • said coupling means includes two bellows-shaped memhers each having a first end connected to the end portion of one of said conduit means in one of said sections, and a free second end provided with a flange having an annular abutment face adapted to sealingly engage the corresponding abutment face on the other of said bellowsshaped members.
  • said coupling means further comprises securing means for sealingly securing said members to one another in a plurality of positions of relative rotational displacement.
  • annular shoulders each comprise a conically configurated first surface, and a pair of annular second surfaces extending radially of said first surface at opposite axial ends thereof; said coupling means further comprising an annular element of deformable material interposed between said abutment faces and deformed into sealing engagement with said first and second surfaces.
  • said coupling means includes an insert comprising an outer tube having opposite open ends, an open-ended coaxial inner tube received in and coextensive with said outer tube and sealingly connected to the same at said opposite ends thereof so as to define an internal annular space with said outer tube, said opposite ends of said outer tube being fluid-tightly received in said end portions of one of said conduit means of the respective sections so that said one conduit means in the respective sections communicates through the intermediary of said inner tube.
  • said coupling means comprises a quantity of high-boiling 3,315,478 4/1967 Walsh et a1. 6255 gaseous matter received in said annular space and adapted to freeze in response to the presence of said fluid FOREIGN PATENTS in said conduit means, 5 1,685,695 10/ 1954 Germany.
US667056A 1966-09-08 1967-09-08 Fluid-conveying arrangement Expired - Lifetime US3466886A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK60206A DE1300380B (de) 1966-09-08 1966-09-08 Rohrleitungssystem fuer tiefkalte und/oder verfluessigte Gase mit einem evakuierten Mantelrohr

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992169A (en) * 1975-04-18 1976-11-16 Cryogenic Technology, Inc. Refrigerated cryogenic envelope
US4036617A (en) * 1975-04-18 1977-07-19 Cryogenic Technology, Inc. Support system for an elongated cryogenic envelope
FR2337298A1 (fr) * 1975-12-31 1977-07-29 Exxon Research Engineering Co Structure de pipeline
US4233816A (en) * 1979-08-08 1980-11-18 Pennwalt Corporation Cryogenic fluid transfer line
US4870830A (en) * 1987-09-28 1989-10-03 Hypres, Inc. Cryogenic fluid delivery system
US4870838A (en) * 1988-03-21 1989-10-03 Zeamer Geoffrey H Cryostat
US4887433A (en) * 1987-12-22 1989-12-19 Commissariat A L'energie Atomique Liquefied gas transfer line having at least one bypass for the vapors of said gas
US4953358A (en) * 1988-03-19 1990-09-04 Messer Griesheim Gmbh Cooling device for liquefied gas
US5072591A (en) * 1989-10-17 1991-12-17 Hypres Incorporated Flexible transfer line exhaust gas shield
US6012292A (en) * 1998-07-16 2000-01-11 Mobil Oil Corporation System and method for transferring cryogenic fluids
US6094922A (en) * 1998-09-09 2000-08-01 Ziegler; Alex R. Vacuum-insulated refrigerant line for allowing a vaccum chamber system with water-vapor cryocoil compressor to be locatable outside cleanroom
US6533334B1 (en) 1999-10-13 2003-03-18 Chart Inc. Vacuum-jacketed bayonet pipe spool and pipe spool system for cryogenic fluid
US6695358B2 (en) 1999-10-13 2004-02-24 Chart, Inc. Controlled leak cryogenic bayonet pipe spool and system
US20040055642A1 (en) * 2002-07-12 2004-03-25 Dominique Valentian Cryogenic rotary coupling, and use thereof in particular in articulated fluid feed lines, and in cryogenic propellant rocket engines
US20040239108A1 (en) * 2003-04-02 2004-12-02 Chart Industries Inc. Fluid piping system and pipe spools suitable for sub sea use
US7052047B1 (en) * 2002-03-21 2006-05-30 Lockheed Martin Corporation Detachable high-pressure flow path coupler
US20080196416A1 (en) * 2007-02-16 2008-08-21 John Martin Girard Method and system for liquid cryogen injection in mixing or blending devices
CN103322357A (zh) * 2013-05-15 2013-09-25 中国科学院等离子体物理研究所 一种具备电位隔离功能的复合型液氮液氦输送管接头
CN110319283A (zh) * 2018-03-30 2019-10-11 汉辰科技股份有限公司 真空夹套管

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US4637637A (en) * 1984-12-11 1987-01-20 Exxon Production Research Co. Pipeline system with encapsulated insulation
US5577895A (en) * 1995-02-24 1996-11-26 Fe Petro Inc. Submerged pump unit having a variable length pipe assembly
US5853113A (en) * 1996-10-21 1998-12-29 Marley Pump Telescoping column pipe assembly for fuel dispensing pumping systems
FR3010763B1 (fr) * 2013-09-19 2015-10-16 Air Liquide Dispositif de transfert de fluide et installation comprenant un tel dispositif

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US3302419A (en) * 1964-05-14 1967-02-07 Max Planck Gesellschaft Vacuum jacket siphon for cryogenic fluids
US3315478A (en) * 1965-06-29 1967-04-25 Hughes Aircraft Co Cryogenic transfer arrangement

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DE1685695U (de) * 1954-08-14 1954-10-21 Kromschroeder Ag G Rohranschlussstueck fuer mess- und regelgeraete, rohrleitungsapparaturen o. dgl.
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US3039275A (en) * 1958-11-05 1962-06-19 Commissariat Energie Atomique Piping system for the transport of liquified gases
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US3068026A (en) * 1958-06-13 1962-12-11 Gen Motors Corp Cryogenic fluid transfer line coupling
US3201947A (en) * 1963-09-06 1965-08-24 Little Inc A Cryogenic transport tube incorporating liquefaction apparatus
US3302419A (en) * 1964-05-14 1967-02-07 Max Planck Gesellschaft Vacuum jacket siphon for cryogenic fluids
US3315478A (en) * 1965-06-29 1967-04-25 Hughes Aircraft Co Cryogenic transfer arrangement

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992169A (en) * 1975-04-18 1976-11-16 Cryogenic Technology, Inc. Refrigerated cryogenic envelope
US4036617A (en) * 1975-04-18 1977-07-19 Cryogenic Technology, Inc. Support system for an elongated cryogenic envelope
FR2337298A1 (fr) * 1975-12-31 1977-07-29 Exxon Research Engineering Co Structure de pipeline
US4233816A (en) * 1979-08-08 1980-11-18 Pennwalt Corporation Cryogenic fluid transfer line
US4870830A (en) * 1987-09-28 1989-10-03 Hypres, Inc. Cryogenic fluid delivery system
US4887433A (en) * 1987-12-22 1989-12-19 Commissariat A L'energie Atomique Liquefied gas transfer line having at least one bypass for the vapors of said gas
US4953358A (en) * 1988-03-19 1990-09-04 Messer Griesheim Gmbh Cooling device for liquefied gas
US4870838A (en) * 1988-03-21 1989-10-03 Zeamer Geoffrey H Cryostat
US5072591A (en) * 1989-10-17 1991-12-17 Hypres Incorporated Flexible transfer line exhaust gas shield
WO2000004321A1 (en) * 1998-07-16 2000-01-27 Mobil Oil Corporation System and method for transferring cryogenic fluids
CN1097193C (zh) * 1998-07-16 2002-12-25 埃克森美孚石油公司 输送低温流体的系统和方法
US6012292A (en) * 1998-07-16 2000-01-11 Mobil Oil Corporation System and method for transferring cryogenic fluids
US6094922A (en) * 1998-09-09 2000-08-01 Ziegler; Alex R. Vacuum-insulated refrigerant line for allowing a vaccum chamber system with water-vapor cryocoil compressor to be locatable outside cleanroom
US6533334B1 (en) 1999-10-13 2003-03-18 Chart Inc. Vacuum-jacketed bayonet pipe spool and pipe spool system for cryogenic fluid
US6695358B2 (en) 1999-10-13 2004-02-24 Chart, Inc. Controlled leak cryogenic bayonet pipe spool and system
US7052047B1 (en) * 2002-03-21 2006-05-30 Lockheed Martin Corporation Detachable high-pressure flow path coupler
US20040055642A1 (en) * 2002-07-12 2004-03-25 Dominique Valentian Cryogenic rotary coupling, and use thereof in particular in articulated fluid feed lines, and in cryogenic propellant rocket engines
US6901955B2 (en) * 2002-07-12 2005-06-07 Snecma Moteurs Cryogenic rotary coupling, and use thereof in particular in articulated fluid feed lines, and in cryogenic propellant rocket engines
US20040239108A1 (en) * 2003-04-02 2004-12-02 Chart Industries Inc. Fluid piping system and pipe spools suitable for sub sea use
US7137651B2 (en) 2003-04-02 2006-11-21 Chart Industries, Inc. Fluid piping systems and pipe spools suitable for sub sea use
US20080196416A1 (en) * 2007-02-16 2008-08-21 John Martin Girard Method and system for liquid cryogen injection in mixing or blending devices
CN103322357A (zh) * 2013-05-15 2013-09-25 中国科学院等离子体物理研究所 一种具备电位隔离功能的复合型液氮液氦输送管接头
CN110319283A (zh) * 2018-03-30 2019-10-11 汉辰科技股份有限公司 真空夹套管

Also Published As

Publication number Publication date
GB1202557A (en) 1970-08-19
DE1300380B (de) 1969-07-31
SE313471B (de) 1969-08-11

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