US3565118A - Thermal insulation for fluid storage containers - Google Patents

Thermal insulation for fluid storage containers Download PDF

Info

Publication number
US3565118A
US3565118A US747284A US3565118DA US3565118A US 3565118 A US3565118 A US 3565118A US 747284 A US747284 A US 747284A US 3565118D A US3565118D A US 3565118DA US 3565118 A US3565118 A US 3565118A
Authority
US
United States
Prior art keywords
tube
layer
tubes
container
thermally conductive
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.)
Expired - Lifetime
Application number
US747284A
Inventor
Thornton Stearns
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US3565118A publication Critical patent/US3565118A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • F16L59/153—Arrangements for the insulation of pipes or pipe systems for flexible pipes
    • 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
    • F16L59/12—Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies
    • F16L59/125—Helical spacers
    • 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
    • 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
    • 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
    • Y10S505/00—Superconductor technology: apparatus, material, process
    • Y10S505/825—Apparatus per se, device per se, or process of making or operating same
    • Y10S505/884—Conductor
    • Y10S505/885—Cooling, or feeding, circulating, or distributing fluid; in superconductive apparatus

Definitions

  • Insulation for fluid storage chambers includes a hollow vacuum-tight tube or sets of tubes surrounding the chamber and spaced from the chamber and from each other by thermal insulating spacer means, each tube, or set of tubes, being in contact with a heat-conductive layer extending circumferentially with or without helical windings and spaced convolutions, around the chamber, and separated from one another and from the chamber by thermal insulating spacer means.
  • the invention contemplates surrounding an enclosure in the form of a chamber or conduit with insulation which, in the case of cryogenic fluids, includes one or more hollow cooling tubes which may, if the container is a semiflexible tube, be corrugated and spirally wound about'the container so as not to eliminate flexibility.
  • the hollow cooling tube or tubes are formed of thermally conductive material and are in contact with thin thermally conductive and preferably radiation reflective sheet material which extends around the container with interposed spacer means for restricting radial heat conduction, thereby establishing a relatively stable temperature differential between the container and the surrounding thermally conductive sheet.
  • Further stages of hollow cooling tubes may lie radially outwardly, each insulated from the next innermost stage of hollow cooling tubes and each contacting a separate surrounding thermally conductive sheet.
  • FIG. 1 is a perspective view of the basic embodiment of the invention with successive layers cut away for illustration purposes.
  • FIG. 2 is a cross-sectional view of the complete assembly shown in FIG. I;
  • FIG. 3 is a cross-sectional view of a different embodiment of the invention.
  • FIG. 1 shows an inner corrugated vacuum-tight metal tube I around which is helically wrapped a spacer 12 which may be a plastic or metal ribbon or may be a ribbon of fibrous insulating material such as disclosed in an application filed simultaneously herewith, SER. No. 747,134.
  • a spacer 12 which may be a plastic or metal ribbon or may be a ribbon of fibrous insulating material such as disclosed in an application filed simultaneously herewith, SER. No. 747,134.
  • Helically wound around the inner tube and spaced therefrom by the spacer 12 is a hollow metallic vacuum-tight tube 14 which, though shown uncorrugated in the drawing, may be corrugated if desired.
  • the pitch of the tube 14 is much greater than that of the spacer l2.
  • Wrapped around the spacer means 12 is also a 100 percent coverage of a heat radiation reflective material such as a metal foil 16 which is heat conductive and contacts the metallic tube 14.
  • spacer means 18 is wound in an opposite direction from the spacer l2 and may be of like material.
  • the spacer means 18 are layers of insulation material 20, the whole being surrounded by a corrugated vacuum-tight outer tube 24.
  • the insulation material 20 may be of the type disclosed in U. S. Pat. Nos. 3,009,600; 3,265,236; and 3,236,406, comprising alternate layers of fibrous material and heat-reflective sheet material.
  • the annular space between the vacuum-tight tubes 10 and 24 is evacuated except for the volume occupied by the tube 14.
  • the inner tube 10 may, as in a transfer line, carry a cryogenic fluid such as helium at a temperature well below 80 K. with or without an electrical conductor, and the tube 14 may carry a cryogenic fluid such as nitrogen at a temperature between the temperatures of tube It) and of tube 24, the heat conductive layer 16 acting to stabilize the intermediate temperature circumferentially.
  • a cryogenic fluid such as helium at a temperature well below 80 K. with or without an electrical conductor
  • the tube 14 may carry a cryogenic fluid such as nitrogen at a temperature between the temperatures of tube It) and of tube 24, the heat conductive layer 16 acting to stabilize the intermediate temperature circumferentially.
  • the tube 14 may have connections at the outflow end of tube 10 so as to carry cryogenic fluid bled from the inner tube 10 counter flow-wise back through the tube 14.
  • each set of tubes being in contact with a circumferentially extending layer of heat conductive material, such as metal foil, thus providing a plurality of separate and insulated temperature stages radially of the coaxial tubing.
  • an inner vacuum-tight tube 6 is surrounded by a hellcally wound spacer means 8, and the tube 10, like the tube 10 in FIG. 1, which may or may not be vacuum-tight, furnishes further mechanical support.
  • Tube 10 is surrounded by a heat conductive layer 30 which encloses a single helically wound hollow vacuum-tight tube 32.
  • a spacer means 34 is then spirally wound in one direction around the conductive layer 30 to space therefrom a circumferentially extending thermally conductive layer 36 which encloses and is in contact with a pair of vacuum-tight tubes 38.
  • any of the sets of tubes may be further supported by contacting rigid coaxial corrugated tubing similar to the arrangement of 10, 32 and 30 or other rigidifying structure at the greater radii of the other set of tubes.
  • cooling fluid may be circulated in one direction down tube 32, back in the other direction through tubes 38 then in reverse flow through tubes 44, and finally back through the set of four tubes 50, the increased number of tubes taking care of expansion of the fluid as it heats.
  • the input feed to inner tube 32 may be a bleed off from the fluid within the inner central container 6.
  • any of the sets of tubes may be supplied from a separate refrigeration source, alone or in combination, permitting use of different cryogenic fluid in different stages.
  • the diameters and number of cooling tubes may vary in the same or different stages depending upon the temperature, the fluid used and the length, to give optimum performance.
  • annular spaces between vacuumtight coaxial tubes not occupied by cooling tubes will be evacuated separately; or, if any intermediate coaxial tube is not vacuum-tight may be evacuated together, in which case the intermediate coaxial tube or tubes may be perforated.
  • container storage of this invention is particularly efficient in the case of cryogenic fluids, it can be used for controlling heat leakage to and from fluids having higher boiling points including methane and fluorocarbons.
  • An insulated container comprising:
  • thermally conductive hollow tube extending axially of said container between said inner and outer enclosures
  • said tube being in contact with an associated layer of thermally conductive material extending circumferentially about said inner enciosure;
  • a container as claimed in claim 1 having a plurality of said hollow tubes, each tube being in contact with an associated layer of thermally conductive material contacting that tube and each such tube and associated layer being separated from other tubes and their associated layers by thermal insulating material.
  • An insulated container for cryogenic fluids having:
  • At least one hollow tube of thermally conductive material extending axially of said central enclosure in contact with one of said layers of thermally conductive material but radially spaced from said central enclosure.
  • helically wound spacer means having spaced convolutions
  • helically wound spacer means having spaced convolutions layed with a pitch opposite to that of said first named spacer means;
  • a transfer tubing as claimed in claim 8 also having heat reflective foil insulation adjacent to said layer of fibrous insulation.

Abstract

Insulation for fluid storage chambers includes a hollow vacuumtight tube or sets of tubes surrounding the chamber and spaced from the chamber and from each other by thermal insulating spacer means, each tube, or set of tubes, being in contact with a heatconductive layer extending circumferentially with or without helical windings and spaced convolutions, around the chamber, and separated from one another and from the chamber by thermal insulating spacer means.

Description

United States Patent Thronton Stearns 5 Fernway St., Winchester, Mass. 01890 747,284
July 24, 1968 Feb. 23, 1971 Inventor Appl. No. Filed Patented THERMAL INSULATION FOR FLUID STORAGE CONTAINERS 9 Claims, 3 Drawing Figs.
11.8. CI. 138/112; 138/148; 138/149; 220/9 Int. Cl. F161 9/18 FieldolSearch .138/111, 112,113,114,148,149z220/l5;161/241,242
References Cited UNITED STATES PATENTS 229,620 7/1880 Lynch 138/148 675,447 6/1901 McMahon 138/148 903,316 11/1908 Reimann 138/1 49X 2,934,096 4/1960 Banks 138/111 3,332,446 7/1967 Mann.... 138/148X 3,383,875 5/1968 Haas l38/122X Primary Examiner-Herbert F. Ross Atmm'ey Rowland V. Patrick ABSTRACT: Insulation for fluid storage chambers includes a hollow vacuum-tight tube or sets of tubes surrounding the chamber and spaced from the chamber and from each other by thermal insulating spacer means, each tube, or set of tubes, being in contact with a heat-conductive layer extending circumferentially with or without helical windings and spaced convolutions, around the chamber, and separated from one another and from the chamber by thermal insulating spacer means.
PATENTEU FEB23 l97l SHEET 1 0F 2 PATENTED FEB23 I971 SHEET 2 OF 2 THERMAL INSULATION FOR FLUID STORAGE CONTAINERS This invention relates to thermal insulation of cryogenic fluid storage containers including transfer lines and has for an object the provision of insulating structures which diminish the heat leak rate from such containers, though the structures and operation herein described may also be applied to the reduction of heat leakage to or from any stored or flowing fluid.
To this end the invention contemplates surrounding an enclosure in the form of a chamber or conduit with insulation which, in the case of cryogenic fluids, includes one or more hollow cooling tubes which may, if the container is a semiflexible tube, be corrugated and spirally wound about'the container so as not to eliminate flexibility. The hollow cooling tube or tubes are formed of thermally conductive material and are in contact with thin thermally conductive and preferably radiation reflective sheet material which extends around the container with interposed spacer means for restricting radial heat conduction, thereby establishing a relatively stable temperature differential between the container and the surrounding thermally conductive sheet.
Further stages of hollow cooling tubes may lie radially outwardly, each insulated from the next innermost stage of hollow cooling tubes and each contacting a separate surrounding thermally conductive sheet.
One basic embodiment of the invention and a typical more complicated embodiment of the invention are shown in the accompanying drawings, wherein:
FIG. 1 is a perspective view of the basic embodiment of the invention with successive layers cut away for illustration purposes.
FIG. 2 is a cross-sectional view of the complete assembly shown in FIG. I; and
FIG. 3 is a cross-sectional view of a different embodiment of the invention.
FIG. 1 shows an inner corrugated vacuum-tight metal tube I around which is helically wrapped a spacer 12 which may be a plastic or metal ribbon or may be a ribbon of fibrous insulating material such as disclosed in an application filed simultaneously herewith, SER. No. 747,134. Helically wound around the inner tube and spaced therefrom by the spacer 12 is a hollow metallic vacuum-tight tube 14 which, though shown uncorrugated in the drawing, may be corrugated if desired. The pitch of the tube 14 is much greater than that of the spacer l2.
Wrapped around the spacer means 12 is also a 100 percent coverage of a heat radiation reflective material such as a metal foil 16 which is heat conductive and contacts the metallic tube 14.
Further spacer means 18 is wound in an opposite direction from the spacer l2 and may be of like material. Around the spacer means 18 are layers of insulation material 20, the whole being surrounded by a corrugated vacuum-tight outer tube 24.
The insulation material 20 may be of the type disclosed in U. S. Pat. Nos. 3,009,600; 3,265,236; and 3,236,406, comprising alternate layers of fibrous material and heat-reflective sheet material.
The annular space between the vacuum-tight tubes 10 and 24 is evacuated except for the volume occupied by the tube 14.
In use, it is contemplated that the inner tube 10 may, as in a transfer line, carry a cryogenic fluid such as helium at a temperature well below 80 K. with or without an electrical conductor, and the tube 14 may carry a cryogenic fluid such as nitrogen at a temperature between the temperatures of tube It) and of tube 24, the heat conductive layer 16 acting to stabilize the intermediate temperature circumferentially.
Alternatively, the tube 14 may have connections at the outflow end of tube 10 so as to carry cryogenic fluid bled from the inner tube 10 counter flow-wise back through the tube 14.
In the embodiment shown in cross section in FIG. 3, there are multiple sets of surrounding hollow tubes, each set of tubes being in contact with a circumferentially extending layer of heat conductive material, such as metal foil, thus providing a plurality of separate and insulated temperature stages radially of the coaxial tubing.
Thus an inner vacuum-tight tube 6 is surrounded by a hellcally wound spacer means 8, and the tube 10, like the tube 10 in FIG. 1, which may or may not be vacuum-tight, furnishes further mechanical support. Tube 10 is surrounded by a heat conductive layer 30 which encloses a single helically wound hollow vacuum-tight tube 32. A spacer means 34 is then spirally wound in one direction around the conductive layer 30 to space therefrom a circumferentially extending thermally conductive layer 36 which encloses and is in contact with a pair of vacuum-tight tubes 38. This is followed radially outward by a spacer ribbon 40 wound spirally in the opposite direction around the conductive layer 36 and spacing outwardly therefrom a third conductive layer 42 which encloses and is in contact with a set of three vacuum-tight tubes 44.
Further spacer means 46 then separate outwardly a last layer of conductive material48 which encloses a set of four spirally wound hollow vacuum-tight tubes 50 and the last layer is similar to the layer 20 in the embodiment of FIGS. 1 and 2; the entire assembly being enclosed in the outer vacuum-tight corrugated tube 24.
Any of the sets of tubes may be further supported by contacting rigid coaxial corrugated tubing similar to the arrangement of 10, 32 and 30 or other rigidifying structure at the greater radii of the other set of tubes.
It is contemplated that cooling fluid may be circulated in one direction down tube 32, back in the other direction through tubes 38 then in reverse flow through tubes 44, and finally back through the set of four tubes 50, the increased number of tubes taking care of expansion of the fluid as it heats. As in the case of FIG. 1, if desired, the input feed to inner tube 32 may be a bleed off from the fluid within the inner central container 6. Or, any of the sets of tubes may be supplied from a separate refrigeration source, alone or in combination, permitting use of different cryogenic fluid in different stages.
No matter how connected, the intention is to carry off heat longitudinally via the fluid flowing in each set of cooling tubes, thereby reducing the temperature of each conductive layer which in turn materially reduces the overall heat leakage to or from fluid in central tube 6.
The diameters and number of cooling tubes may vary in the same or different stages depending upon the temperature, the fluid used and the length, to give optimum performance.
It is contemplated that the annular spaces between vacuumtight coaxial tubes not occupied by cooling tubes will be evacuated separately; or, if any intermediate coaxial tube is not vacuum-tight may be evacuated together, in which case the intermediate coaxial tube or tubes may be perforated.
While the conductive layer 16 in FIGS. 1 and 2 gives I00 percent coverage, where there are multiple conductive layers as in FIG. 3, only the outer one needs to have I00 percent coverage and be beat reflective and the inner conductive layers may then be helically wound with spaced convolutions with only partial coverage. percent coverage can be attained either with a wrap or an abutting or overlapping helical winding.
While the container storage of this invention is particularly efficient in the case of cryogenic fluids, it can be used for controlling heat leakage to and from fluids having higher boiling points including methane and fluorocarbons.
lclaim:
1. An insulated container comprising:
a vacuum-tight inner enclosure;
a vacuum-tight outer enclosure;
a thermally conductive hollow tube extending axially of said container between said inner and outer enclosures;
said tube being in contact with an associated layer of thermally conductive material extending circumferentially about said inner enciosure;
circumferentially extending spacing means of thermal insulating material radially separating said layer of thermally conductive material from said inner enclosure; and
whereby fluid flowing in said hollow tube tends to establish a substantially stable equilibrium temperature for said conductive layer by absorbing and removing heat leakage via conduction through said conductive layer and tube.
2. A container as claimed in claim 1 having a plurality of said hollow tubes, each tube being in contact with an associated layer of thermally conductive material contacting that tube and each such tube and associated layer being separated from other tubes and their associated layers by thermal insulating material.
3. An insulated container for cryogenic fluids having:
a central enclosure;
an outer enclosure;
a series of circumferentially extending layers of thermally conductive material extending around said central enclosure;
spacing means between said thermally conductive layers for holding said layers in radially spaced relation; and
at least one hollow tube of thermally conductive material extending axially of said central enclosure in contact with one of said layers of thermally conductive material but radially spaced from said central enclosure.
4. A container as claimed in claim 3 wherein there are at least three of said hollow tubes and more of said tubes contact the outermost conductive layer than contact any other layer of conductive material inside of said outermost layer.
5. A container as claimed in claim 3 wherein there are a plurality of said hollowtubes and the number of said tubes contacting successive circumferentially extending layers increases in number progressively from the innermost layer to the outermost layer.
6. A container as claimed in claim 3 wherein at least some of said spacer means are constituted of thermal Insulating material.
7. A container as claimed in claim 3 wherein the innermost spacer means is a spirally wound ribbon.
8. Semiflexible cryogenic transfer tubing comprising:
inner and outer corrugated coaxial vacuum-tight tubes and successively overlying layers of the following materials in the following sequence between said inner and outer tubes; I
helically wound spacer means having spaced convolutions;
a helically wound hollow heat conductive tube;
a heat conductive film in heat conductive contact with said helically wound tube;
helically wound spacer means having spaced convolutions layed with a pitch opposite to that of said first named spacer means; and
a layer of fibrous insulation.
9. A transfer tubing as claimed in claim 8 also having heat reflective foil insulation adjacent to said layer of fibrous insulation.
UNITED STATES PATENT OFFICE CERTIFICATE OF CORRECTION Patent No. 3, 565 118 Dated 23 J91] lnventofls) Thornton Stearns It is certified that error appears in the above-identified patent and that said Letters Patent are hereby corrected as shown below:
In the Caption:
Change "Thronton" to --'Ihornton--;
Add as assignee Vacuum Barrier Corporation of Woburn, Massachusetts, a corporation of Delaware Col. 2, line 75, after "enc1osure;" delete and insert Col. 3, line 3, after "enclosureg" delete and--.
Signed and sealed this 6th day of July 1971.
(SEAL) Attest:
EDJARD M.FIETGHER,JR. WILLIAM E. SCHUYIER, JR. Attesting Officer Commissioner of Patents

Claims (9)

1. An insulated container comprising: a vacuum-tight inner enclosure; a vacuum-tight outer enclosure; a thermally conductive hollow tube extending axially of said container between said inner and outer enclosures; said tube being in contact with an associated layer of thermally conductive material extending circumferentially about said inner enclosure; circumferentially extending spacing means of thermal insulating material radially separating said layer of thermally conductive material from said inner enclosure; and whereby fluid flowing in said hollow tube tends to establish a substantially stable equilibrium temperature for said conductive layer by absorbing and removing heat leakage via conduction through said conductive layer and tube.
2. A container as claimed in claim 1 having a plurality of said hollow tubes, each tube being in contact with an associated layer of thermally conductive material contacting that tube and each such tube and associated layer being separated from other tubes and their associated layers by thermal insulating material.
3. An insulated container for cryogenic fluids having: a central enclosure; an outer enclosure; a series of circumferentially extending layers of thermally conductive material extending around said central enclosure; spacing means between said thermally conductive layers for holding said layers in radially spaced relation; and at least one hollow tube of thermally conductive material extending axially of said central enclosure in contact with one of said layers of thermally conductive material but radially spaced from said central enclosure.
4. A container as claimed in claim 3 wherein there are at least three of said hollow tubes and more of said tubes contact the outermost conductive layer than contact any other layer of conductive material inside of said outermost layer.
5. A container as claimed in claim 3 wherein there are a plurality of said hollow tubes and the number of said tubes contacting successive circumferentially extending layers increases in number progressively from the innermost layer to the outermost layer.
6. A container as claimed in claim 3 wherein at least some of said spacer means are constituted of thermal insulating material.
7. A container as claimed in claim 3 wherein the innermost spacer means is a spirally wound ribbon.
8. Semiflexible cryogenic transfer tubing comprising: inner and outer corrugated coaxial vacuum-tight tubes and successively overlying layers of the following materials in the following sequence between said inner and outer tubes; helically wound spacer means having spaced convolutions; a helically wound hollow heat conductive tube; a heat conductive film in heat conductive contact with said helically wound tube; helically wound spacer means having spaced convolutions layed with a pitch opposite to that of said first named spacer means; and a layer of fibrous insulation.
9. A transfer tubing as claimed in claim 8 also having heat reflective foil insulation adjacent to said layer of fibrous insulation.
US747284A 1968-07-24 1968-07-24 Thermal insulation for fluid storage containers Expired - Lifetime US3565118A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74728468A 1968-07-24 1968-07-24

Publications (1)

Publication Number Publication Date
US3565118A true US3565118A (en) 1971-02-23

Family

ID=25004440

Family Applications (1)

Application Number Title Priority Date Filing Date
US747284A Expired - Lifetime US3565118A (en) 1968-07-24 1968-07-24 Thermal insulation for fluid storage containers

Country Status (8)

Country Link
US (1) US3565118A (en)
BE (1) BE736524A (en)
CH (1) CH530582A (en)
DE (1) DE1936609B2 (en)
FR (1) FR2013626A1 (en)
GB (1) GB1274285A (en)
NL (1) NL166772C (en)
SE (1) SE353783B (en)

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706208A (en) * 1971-01-13 1972-12-19 Air Prod & Chem Flexible cryogenic liquid transfer system and improved support means therefor
US3743760A (en) * 1969-05-02 1973-07-03 Kernforschungsanlage Juelich Duct system for low-temperature fluids and thermally isolated electrical conductors
US3955601A (en) * 1972-11-29 1976-05-11 Moore Business Forms, Inc. Heat insulating jacket for a conduit equipped with self-locking seam
US3987238A (en) * 1973-11-23 1976-10-19 Aeg-Elotherm G.M.B.H. Electric conductor for the conduction of electric currents of high density under heated conditions of the conducting body
US4106528A (en) * 1973-12-19 1978-08-15 Nikolaus Laing Tube for fluid substances under pressure
US4303105A (en) * 1979-09-28 1981-12-01 Kabel-Und Metallwerke Gutehoffnungshuette Ag Insulated transmission line for cryogenic media
US4394534A (en) * 1980-01-14 1983-07-19 Electric Power Research Institute, Inc. Cryogenic cable and method of making same
US4397807A (en) * 1980-01-14 1983-08-09 Electric Power Research Institute, Inc. Method of making cryogenic cable
US4445543A (en) * 1981-10-02 1984-05-01 Shell Research Limited Flexible hose for liquefied gases
US4492089A (en) * 1982-09-17 1985-01-08 Kabelmetal Electro Gmbh Flexible cryogenic conduit
DE3334770A1 (en) * 1983-09-26 1985-04-11 kabelmetal electro GmbH, 3000 Hannover LINE PIPE FOR THE DELIVERY OF FROZEN MEDIA
US4688603A (en) * 1985-02-14 1987-08-25 Messer Griesheim Gmbh Insulated hose of synthetic material
US4984605A (en) * 1988-02-03 1991-01-15 Kabelmetal Electro Conducting tube
US5193348A (en) * 1990-06-25 1993-03-16 Siemens Aktiengesellschaft Device for cooling a squid measuring instrument
US5307639A (en) * 1991-09-20 1994-05-03 L'air Liquid Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Transfer line for cryogenic fluid
EP0952382A2 (en) * 1998-04-23 1999-10-27 Alcatel Flexible conduit
WO2001014783A1 (en) * 1999-08-19 2001-03-01 Forschungszentrum Karlsruhe Gmbh Thermal insulation structure
US6298883B1 (en) * 1997-07-15 2001-10-09 Weatherford/Lamb, Inc. Centralizer
US6343624B2 (en) * 1998-10-09 2002-02-05 Forschungszentrum Karlsruhe Gmbh Superinsulation support system
EP0949444A3 (en) * 1998-04-09 2003-01-22 Semperit Aktiengesellschaft Holding Flexible cryogenic hose
US20030178080A1 (en) * 2002-03-13 2003-09-25 Nexans Pipeline for the transport of refrigerated media
US20040216795A1 (en) * 2003-04-30 2004-11-04 Klaus Schippl Flexible conduit
US20050139278A1 (en) * 2003-01-24 2005-06-30 Thompson Alvin D. Heated drain line apparatus
US20050183879A1 (en) * 2002-06-17 2005-08-25 Olav Bakka Integrated communications and power system
US20060032545A1 (en) * 2004-08-14 2006-02-16 Beckett Robert P Pythons
US20110308657A1 (en) * 2010-06-21 2011-12-22 Saint Clair Systems Hose assembly
EP2472165A1 (en) * 2010-12-30 2012-07-04 Shell Internationale Research Maatschappij B.V. Cryogenic fluid transfer tunnel assembly and method
US20140373954A1 (en) * 2013-06-24 2014-12-25 Strom W. Smith Pipe Insulation System and Method
US20150362120A1 (en) * 2014-06-12 2015-12-17 Strom W. Smith Pipe Insulation System and Method
EP2982898A1 (en) * 2014-08-08 2016-02-10 Nexans Flexible conduit
WO2017024301A1 (en) * 2015-08-06 2017-02-09 Flexible Technologies, Inc. Insulated duct with air gap and method of use
EP3147551A1 (en) 2015-09-28 2017-03-29 Nexans Flexible conduit
US10352482B2 (en) * 2015-11-23 2019-07-16 Flexible Technologies, Inc. Insulated duct with air gap and method of use
US10767892B2 (en) 2018-11-27 2020-09-08 Flexible Technologies, Inc. Insulated flexible duct using compressible core spacer and method of use

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7214296A (en) * 1972-10-21 1974-04-23
DE3337195A1 (en) * 1983-10-13 1985-04-25 Telefunken electronic GmbH, 7100 Heilbronn ARRANGEMENT FOR AN ELECTRONIC COMPONENT OPERATING AT LOW TEMPERATURES
DE3433605A1 (en) * 1984-09-13 1986-03-20 Dornier System Gmbh, 7990 Friedrichshafen Radiation shield
GB2345199B (en) * 1998-12-22 2003-06-04 Philip Head Tubing and conductors or conduits
NO994044D0 (en) * 1999-08-20 1999-08-20 Kvaerner Oilfield Prod As Device and methods of production / injection pipeline
DE102019127330A1 (en) * 2019-10-10 2021-04-15 Brugg Rohrsystem Ag Super insulation layer of a conduit pipe and a conduit pipe equipped with it with two corrugated metal pipes

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US229620A (en) * 1880-07-06 Covering for steam-boilers
US675447A (en) * 1901-01-26 1901-06-04 John M Mcmahon Insulating pipes.
US903316A (en) * 1908-07-22 1908-11-10 Alois Reimann Insulating covering for pipes.
US2934096A (en) * 1958-06-30 1960-04-26 American Biltrite Rubber Co Steam hose
US3332446A (en) * 1964-05-15 1967-07-25 Douglas B Mann Cryogenic transfer line arrangement
US3383875A (en) * 1966-08-17 1968-05-21 Andrew Corp Conduit for cryogenic fluids

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US229620A (en) * 1880-07-06 Covering for steam-boilers
US675447A (en) * 1901-01-26 1901-06-04 John M Mcmahon Insulating pipes.
US903316A (en) * 1908-07-22 1908-11-10 Alois Reimann Insulating covering for pipes.
US2934096A (en) * 1958-06-30 1960-04-26 American Biltrite Rubber Co Steam hose
US3332446A (en) * 1964-05-15 1967-07-25 Douglas B Mann Cryogenic transfer line arrangement
US3383875A (en) * 1966-08-17 1968-05-21 Andrew Corp Conduit for cryogenic fluids

Cited By (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743760A (en) * 1969-05-02 1973-07-03 Kernforschungsanlage Juelich Duct system for low-temperature fluids and thermally isolated electrical conductors
US3706208A (en) * 1971-01-13 1972-12-19 Air Prod & Chem Flexible cryogenic liquid transfer system and improved support means therefor
US3955601A (en) * 1972-11-29 1976-05-11 Moore Business Forms, Inc. Heat insulating jacket for a conduit equipped with self-locking seam
US3987238A (en) * 1973-11-23 1976-10-19 Aeg-Elotherm G.M.B.H. Electric conductor for the conduction of electric currents of high density under heated conditions of the conducting body
US4106528A (en) * 1973-12-19 1978-08-15 Nikolaus Laing Tube for fluid substances under pressure
US4303105A (en) * 1979-09-28 1981-12-01 Kabel-Und Metallwerke Gutehoffnungshuette Ag Insulated transmission line for cryogenic media
US4394534A (en) * 1980-01-14 1983-07-19 Electric Power Research Institute, Inc. Cryogenic cable and method of making same
US4397807A (en) * 1980-01-14 1983-08-09 Electric Power Research Institute, Inc. Method of making cryogenic cable
US4445543A (en) * 1981-10-02 1984-05-01 Shell Research Limited Flexible hose for liquefied gases
US4492089A (en) * 1982-09-17 1985-01-08 Kabelmetal Electro Gmbh Flexible cryogenic conduit
DE3334770A1 (en) * 1983-09-26 1985-04-11 kabelmetal electro GmbH, 3000 Hannover LINE PIPE FOR THE DELIVERY OF FROZEN MEDIA
US4688603A (en) * 1985-02-14 1987-08-25 Messer Griesheim Gmbh Insulated hose of synthetic material
US4984605A (en) * 1988-02-03 1991-01-15 Kabelmetal Electro Conducting tube
US5193348A (en) * 1990-06-25 1993-03-16 Siemens Aktiengesellschaft Device for cooling a squid measuring instrument
US5307639A (en) * 1991-09-20 1994-05-03 L'air Liquid Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Transfer line for cryogenic fluid
US6298883B1 (en) * 1997-07-15 2001-10-09 Weatherford/Lamb, Inc. Centralizer
EP0949444A3 (en) * 1998-04-09 2003-01-22 Semperit Aktiengesellschaft Holding Flexible cryogenic hose
US6186181B1 (en) * 1998-04-23 2001-02-13 Alcatel Flexible line pipe
EP0952382A3 (en) * 1998-04-23 2001-03-21 Alcatel Flexible conduit
EP0952382A2 (en) * 1998-04-23 1999-10-27 Alcatel Flexible conduit
US6343624B2 (en) * 1998-10-09 2002-02-05 Forschungszentrum Karlsruhe Gmbh Superinsulation support system
WO2001014783A1 (en) * 1999-08-19 2001-03-01 Forschungszentrum Karlsruhe Gmbh Thermal insulation structure
US20030178080A1 (en) * 2002-03-13 2003-09-25 Nexans Pipeline for the transport of refrigerated media
US6732765B2 (en) * 2002-03-13 2004-05-11 Nexans Pipeline for the transport of refrigerated media
US7060906B2 (en) 2002-06-17 2006-06-13 Aker Kvaerner Subsea As Integrated communications and power system
US20050183879A1 (en) * 2002-06-17 2005-08-25 Olav Bakka Integrated communications and power system
US20050139278A1 (en) * 2003-01-24 2005-06-30 Thompson Alvin D. Heated drain line apparatus
US7028715B2 (en) * 2003-01-24 2006-04-18 Dt Search & Design Llc Heated drain line apparatus
US6840284B2 (en) * 2003-04-30 2005-01-11 Nexans Flexible conduit
US20040216795A1 (en) * 2003-04-30 2004-11-04 Klaus Schippl Flexible conduit
US20060032545A1 (en) * 2004-08-14 2006-02-16 Beckett Robert P Pythons
US7597120B2 (en) * 2004-08-14 2009-10-06 Valpar Industrial Limited Pythons
WO2006049948A1 (en) * 2004-10-27 2006-05-11 Dt Search & Design Llc Heated. drain line apparatus
US20110308657A1 (en) * 2010-06-21 2011-12-22 Saint Clair Systems Hose assembly
US8857474B2 (en) * 2010-06-21 2014-10-14 Saint Clair Systems Hose assembly
EP2472165A1 (en) * 2010-12-30 2012-07-04 Shell Internationale Research Maatschappij B.V. Cryogenic fluid transfer tunnel assembly and method
WO2012089647A1 (en) * 2010-12-30 2012-07-05 Shell Internationale Research Maatschappij B.V. Cryogenic fluid transfer tunnel assembly and uses thereof
CN103314246A (en) * 2010-12-30 2013-09-18 国际壳牌研究有限公司 Cryogenic fluid transfer tunnel assembly and uses thereof
US20140373954A1 (en) * 2013-06-24 2014-12-25 Strom W. Smith Pipe Insulation System and Method
US20150362120A1 (en) * 2014-06-12 2015-12-17 Strom W. Smith Pipe Insulation System and Method
EP2982898A1 (en) * 2014-08-08 2016-02-10 Nexans Flexible conduit
WO2016020128A1 (en) * 2014-08-08 2016-02-11 Nexans Flexible pipeline
US20160040807A1 (en) * 2014-08-08 2016-02-11 Nexans Flexible pipeline
WO2017024301A1 (en) * 2015-08-06 2017-02-09 Flexible Technologies, Inc. Insulated duct with air gap and method of use
US10295218B2 (en) 2015-08-06 2019-05-21 Flexible Technologies, Inc. Insulated duct with air gap and method of use
US20170130891A1 (en) * 2015-09-28 2017-05-11 Nexans Flexible pipeline
WO2017054978A1 (en) * 2015-09-28 2017-04-06 Nexans Flexible pipeline
CN108139014A (en) * 2015-09-28 2018-06-08 耐克森公司 Flexible pipe line
EP3147551A1 (en) 2015-09-28 2017-03-29 Nexans Flexible conduit
US10330239B2 (en) * 2015-09-28 2019-06-25 Nexans Flexible pipeline
US10352482B2 (en) * 2015-11-23 2019-07-16 Flexible Technologies, Inc. Insulated duct with air gap and method of use
US11035501B2 (en) 2015-11-23 2021-06-15 Flexible Technologies, Inc. Insulated duct with air gap and method of use
US10767892B2 (en) 2018-11-27 2020-09-08 Flexible Technologies, Inc. Insulated flexible duct using compressible core spacer and method of use

Also Published As

Publication number Publication date
DE1936609A1 (en) 1970-02-12
FR2013626A1 (en) 1970-04-03
NL166772C (en) 1981-09-15
DE1936609B2 (en) 1981-02-05
GB1274285A (en) 1972-05-17
CH530582A (en) 1972-11-15
NL6911275A (en) 1970-01-27
BE736524A (en) 1969-12-31
SE353783B (en) 1973-02-12

Similar Documents

Publication Publication Date Title
US3565118A (en) Thermal insulation for fluid storage containers
US3595275A (en) Spacer means for cryogenic coaxial tubing
US3490496A (en) Coaxial tubing having improved spacer means
US3240234A (en) Hose for low-temperature liquids
US4003427A (en) Heat pipe fabrication
US4303105A (en) Insulated transmission line for cryogenic media
US3007596A (en) Thermal insulation
US4492089A (en) Flexible cryogenic conduit
US3149742A (en) Vacuum device
US4781033A (en) Heat exchanger for a fast cooldown cryostat
US2556244A (en) Coaxial cable with helically wound spacer
US3397720A (en) Multiple layer insulation for a cryogenic structure
US3048021A (en) Joule-thomson effect gas liquefier
US6003561A (en) Flexible cryogenic conduit
US3592238A (en) Spacer for coaxial pipes
US3992169A (en) Refrigerated cryogenic envelope
US3619474A (en) Spacer assembly for coaxial tubular systems
US3717718A (en) High pressure cable
US3693648A (en) Duct system for low-temperature fluids and thermally isolated electrical conductors
US20010035224A1 (en) Superinsulation support system
GB1350541A (en) Pipe system comprising at least two coaxial pipes
US3835240A (en) Fluid cooled electrical cable
JPH09184594A (en) Heat insulating pipe for very low temperature
JP2003269690A (en) Conduit for transport of cryogenic fluid
US4220179A (en) Spacer for coaxial tube systems