US3155117A - Double-walled hollow body for the reception of a hot gaseous medium under pressure - Google Patents
Double-walled hollow body for the reception of a hot gaseous medium under pressure Download PDFInfo
- Publication number
- US3155117A US3155117A US70775A US7077560A US3155117A US 3155117 A US3155117 A US 3155117A US 70775 A US70775 A US 70775A US 7077560 A US7077560 A US 7077560A US 3155117 A US3155117 A US 3155117A
- Authority
- US
- United States
- Prior art keywords
- hollow body
- double
- tube
- reception
- under pressure
- 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
Links
- 238000001914 filtration Methods 0.000 description 18
- 239000011810 insulating material Substances 0.000 description 18
- 239000000463 material Substances 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
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
-
- 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
- F16L59/147—Arrangements for the insulation of pipes or pipe systems the insulation being located inwardly of the outer surface of the pipe
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C11/00—Shielding structurally associated with the reactor
- G21C11/08—Thermal shields; Thermal linings, i.e. for dissipating heat from gamma radiation which would otherwise heat an outer biological shield ; Thermal insulation
- G21C11/086—Thermal shields; Thermal linings, i.e. for dissipating heat from gamma radiation which would otherwise heat an outer biological shield ; Thermal insulation consisting of a combination of non-metallic and metallic layers, e.g. metal-sand-metal-concrete
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Definitions
- This invention relates to a double-walled hollow body for the reception of a hot gaseous medium under pressure, the said hollow body containing a thermal insulating material in the space between the inner and outer walls, While its inner wall is formed with apertures to effect pressure equalisation between the space containing the insulating material and the interior of the hollow body.
- Such hollow bodies are preferably employed as housings for apparatus and machines and as pipelines in thermal power plants, in which a gaseous working medium describes a circuit.
- the outer wall has to take up the pressure of the working medium, but remains relatively cool owing to the insulating material introduced between the inner and outer walls, even when highly heated working medium flows within the hollow body. Since the pressure between the space containing the insulating material and the interior of the hollow body is balanced, the inside tube is only exposed to the high temperature of the working medium, but is not loaded in regard to strength.
- a known step for counteracting this disadvantage resides in establishing the pressure equalisation by means of tubes of relatively small diameter, which extend from a point of the inside tube and pass through the space containing the insulating material in the longitudinal direction. These tubes are formed with a plurality of small apertures along their entire length.
- a further known step consists in providing on the outside of the inner Wall of the hollow body a cavity defined directly by the said inner wall and in addition by a perforated jacket bearing closely against the insulating material, which cavity communicates also with the interior of the hollow body through a pressure equalising hole in the inside wall.
- Such parts formed with a .plurality of small holes are capable of preventing entrainment of insulating material into the space containing the working medium to such an extent that no deposits interfering with operation are produced in the working medium circuit.
- such means cannot meet the requirements arising when the gaseous working medium is heated in a nuclear reactor, because it is then difficult to prevent even small quantities of neutron-absorbing material from passing through the reactor.
- a filtering layer which prevents insulating material from passing through the apertures in the inside wall into the interior of the hollow body.
- the invention also concerns the use of such a hollow .
- United States Patent 3,155,117, Patented Nov. 3, 1964 body-as a gas-carrying part in a thermal power plant operating with a circulating gaseous medium which is heated in an atomic nuclear reactor.
- FIGURE 1 illustrates a gas-carrying double-walled tube
- I FIG. 2 is a section along the line 11-11 of FIGURE 1.
- FIG. 3 shows the use of the double-walled tube as a gas carrying part in a nuclear power plant.
- the outer wall of the hollow body consists of a tube 1, which may be made, for example, of ferritic material.
- An inside tube 2 disposed ooaxially with the tube 1 forms the inner wall of the hollow body and serves to guide a hot gas under pressure.
- the inside tube 2 is formed with apertures 3 serving to establish pressure equalisation between the interior and the annular space between the outside tube 1 and the inside tube 2.
- a layer 4 consisting of insulating material, which bears against the outside tube 1.
- this layer 4 of insulating material does not completely fill the entire intermediate space toward the inside, but a filtering layer 5 consisting of long-fibred material is disposed between the insulating material 4 and the inside tube 2.
- This filtering layer 5 prevents insulating material of the layer 4 from passing through the apertures 3 in the inside tube 2 into the interior of the double tube and thus becoming admixed with the gas flowing therein.
- the filtering layer 5 on the other hand, preferably consists of a compact long-fibred mineral meshwork or woven fabric which, in addition to its filtering property, also has good insulating capacity.
- the wire meshwork 7 lying closer to the filtering layer has a smaller mesh width than the wire meshwork 6 lying on the side of the inside tube 2.
- One or more further layers of wire meshworks may also be provided between the wire meshworks 6 and 7.
- a band 8 wound around the filtering layer 5 serves to hold fast the said filtering layer with the interposed wire meshworks 6 and 7 on the inside tube.
- the inside tube exposed to high gas temperatures is preferably made of austenitic steel.
- Austenitic material is also preferably employed for the Wire meshworks 6 and 7.
- the Wire meshworks with the interstices between the meshes form an insulating layer which produces a certain temperature gradient as far as the filtering layer 5, so that the latter requires lower temperature resistance than the inside tube 2.
- the wire meshwork 6 having the larger mesh width, with any further layers provided between the wire meshworks 6 and 7 permits a circulation of gas in the longitudinal direction of the tube.
- a certain pressure equalisation is established in the region of the wire meshworks even in the event of a pressure gradient being set up in the internal space in the longitudinal direction of the tube owing to frictional losses, and a gas flow in the filtering layer 5 and in the packing insulation 4 is substantially avoided.
- a number of layers of Wire meshworks having graduated mesh widths may also be provided between the inside tube 2 and the filtering layer 5.
- the compressed gaseous working medium of a thermal power plant is heated in a reactor R, then expanded in a turbine T and finally recompressecl in a compressor C.
- Useful work is given up to a generator G.
- the double-Walled tube 1,2 serves to guide the hot gas under pressure from the reactor R to the turbine T.
- a double-walled conduit for use in conveying a high temperature, high pressure working medium from a nuclear reactor heat source to the inlet of a turbine comprising (a) an inner conduit for the reception of the working medium, said inner conduit designed to withstand high temperatures;
- said inner conduit containing a plurality of perforations formed therein for connecting said intervening space with the interior of the inner conduit, said perforations providing the sole means of ingress and egress for said intervening space;
- a filtering layer consisting of woven long-fibered mineral material disposed between the insulating material and the inner conduit;
- the first meshwork permitting a circulation of the medium in the longitudinal direction of the conduit and thereby serving to distribute evenly the flow passing from the inner conduit through the perforations and therefore avoiding localized areas of high velocity flow; and (i) said metallic meshworks producing a temperature gradient between the inner conduit and the filtering layer.
Description
Nov. 3, 1964 SPILLMANN 3,155,117
W. DOUBLE-WALLED HOLLOW BODY FOR THE RECEPTION OF A HOT GASEOUS MEDIUM UNDER PRESSURE Filed Nov. 21. 1960 INVENTOR.
Werner 'S LI lmann Attorneys 81,178 1 Claim. (Cl. 138149) This invention relates to a double-walled hollow body for the reception of a hot gaseous medium under pressure, the said hollow body containing a thermal insulating material in the space between the inner and outer walls, While its inner wall is formed with apertures to effect pressure equalisation between the space containing the insulating material and the interior of the hollow body.
Such hollow bodies are preferably employed as housings for apparatus and machines and as pipelines in thermal power plants, in which a gaseous working medium describes a circuit. In such cases, the outer wall has to take up the pressure of the working medium, but remains relatively cool owing to the insulating material introduced between the inner and outer walls, even when highly heated working medium flows within the hollow body. Since the pressure between the space containing the insulating material and the interior of the hollow body is balanced, the inside tube is only exposed to the high temperature of the working medium, but is not loaded in regard to strength.
On variation of the pressure of the working medium in such hollow bodies, a gas exchange takes place between the space filled with insulating material and the interior, so that the danger exists that particles of insulating material may be carried into the space containing the working medium and become mixed with the working medium of the circuit. A known step for counteracting this disadvantage resides in establishing the pressure equalisation by means of tubes of relatively small diameter, which extend from a point of the inside tube and pass through the space containing the insulating material in the longitudinal direction. These tubes are formed with a plurality of small apertures along their entire length. A further known step consists in providing on the outside of the inner Wall of the hollow body a cavity defined directly by the said inner wall and in addition by a perforated jacket bearing closely against the insulating material, which cavity communicates also with the interior of the hollow body through a pressure equalising hole in the inside wall.
Such parts formed with a .plurality of small holes are capable of preventing entrainment of insulating material into the space containing the working medium to such an extent that no deposits interfering with operation are produced in the working medium circuit. However, such means cannot meet the requirements arising when the gaseous working medium is heated in a nuclear reactor, because it is then difficult to prevent even small quantities of neutron-absorbing material from passing through the reactor.
In accordance with the invention, in a double-walled hollow body of the type described at the beginning, there is disposed between the insulating material and the inner wall of the hollow body a filtering layer which prevents insulating material from passing through the apertures in the inside wall into the interior of the hollow body. As a result of this step, even extremely small particles of insulating material are retained and are unable to reach the apertures in the inside wall and to pass therethrough.
The invention also concerns the use of such a hollow .United States Patent 3,155,117, Patented Nov. 3, 1964 body-as a gas-carrying part in a thermal power plant operating with a circulating gaseous medium which is heated in an atomic nuclear reactor.
A constructional example of the subject of the inven tion is illustrated in simplified form in the drawings, in which:
FIGURE 1 illustrates a gas-carrying double-walled tube, and I FIG. 2 is a section along the line 11-11 of FIGURE 1.
FIG. 3 shows the use of the double-walled tube as a gas carrying part in a nuclear power plant.
The outer wall of the hollow body consists of a tube 1, which may be made, for example, of ferritic material. An inside tube 2 disposed ooaxially with the tube 1 forms the inner wall of the hollow body and serves to guide a hot gas under pressure. The inside tube 2 is formed with apertures 3 serving to establish pressure equalisation between the interior and the annular space between the outside tube 1 and the inside tube 2.
Provided in the said annular intermediate space is a layer 4 consisting of insulating material, which bears against the outside tube 1. However, this layer 4 of insulating material does not completely fill the entire intermediate space toward the inside, but a filtering layer 5 consisting of long-fibred material is disposed between the insulating material 4 and the inside tube 2. This filtering layer 5 prevents insulating material of the layer 4 from passing through the apertures 3 in the inside tube 2 into the interior of the double tube and thus becoming admixed with the gas flowing therein. For example, there may be employed for the insulating layer 4 a packing insulation consisting of mineral wool. The filtering layer 5, on the other hand, preferably consists of a compact long-fibred mineral meshwork or woven fabric which, in addition to its filtering property, also has good insulating capacity. As a means for supporting the filtering layer 5, there are further provided between the latter and the inside tube 2 wire meshworks 6 and 7 disposed one upon the other. The wire meshwork 7 lying closer to the filtering layer has a smaller mesh width than the wire meshwork 6 lying on the side of the inside tube 2. One or more further layers of wire meshworks may also be provided between the wire meshworks 6 and 7. A band 8 wound around the filtering layer 5 serves to hold fast the said filtering layer with the interposed wire meshworks 6 and 7 on the inside tube. The inside tube exposed to high gas temperatures is preferably made of austenitic steel. Austenitic material is also preferably employed for the Wire meshworks 6 and 7. The Wire meshworks with the interstices between the meshes form an insulating layer which produces a certain temperature gradient as far as the filtering layer 5, so that the latter requires lower temperature resistance than the inside tube 2.
In addition, the wire meshwork 6 having the larger mesh width, with any further layers provided between the wire meshworks 6 and 7 permits a circulation of gas in the longitudinal direction of the tube. A certain pressure equalisation is established in the region of the wire meshworks even in the event of a pressure gradient being set up in the internal space in the longitudinal direction of the tube owing to frictional losses, and a gas flow in the filtering layer 5 and in the packing insulation 4 is substantially avoided. The free spaces between the meshes of the wire meshworks 6 and 7 and any further layers of wire meshworks further make it possible for the gas flowing through the apertures 3 into the space between the inside tube 2 and the outside tube 1 in the event of a pressure increase within the tube 2 to spread out over the entire surface of the filtering layer 5, so that it flows through the latter only at very low velocity. Conversely, in the event of a pressure drop in the internal '13 space, the gas discharged from the insulating layer 4 flows through the filtering layer 5 at a low uniform velocity and concentrates only within the layers of wire meshwork 7 to 6 among the outlet apertures 3 of the inside tube. By reason of this fact also, entrainment of in sul-ating material into the interior of the tube 2 is avoided.
A number of layers of Wire meshworks having graduated mesh widths may also be provided between the inside tube 2 and the filtering layer 5.
According to FIGURE 3, the compressed gaseous working medium of a thermal power plant is heated in a reactor R, then expanded in a turbine T and finally recompressecl in a compressor C. Useful work is given up to a generator G. The double- Walled tube 1,2 serves to guide the hot gas under pressure from the reactor R to the turbine T.
What is claimed is:
A double-walled conduit for use in conveying a high temperature, high pressure working medium from a nuclear reactor heat source to the inlet of a turbine comprising (a) an inner conduit for the reception of the working medium, said inner conduit designed to withstand high temperatures;
(b) an outer conduit spaced from the inner conduit and defining therewith an intervening space, said outer conduit being designed to Withstand high pressure;
(c) said inner conduit containing a plurality of perforations formed therein for connecting said intervening space with the interior of the inner conduit, said perforations providing the sole means of ingress and egress for said intervening space;
(d) a layer of gas permeable heat insulating material disposed in the intervening space adjacent the outer conduit;
(e) a filtering layer consisting of woven long-fibered mineral material disposed between the insulating material and the inner conduit;
(f) a first metallic wire meshwork disposed in the intervening space between the filtering layer and the inner conduit, said meshwork being coextensive with and adjacent to the inner conduit and having rela-r' tively large mesh width with regard to the perforations in the inner conduit;
(g) a second metallic Wire meshwork disposed between said first meshwork and the filtering layer; the mesh Width of said second meshwork being smaller than the mesh width of the first meshwork;
(h) the first meshwork permitting a circulation of the medium in the longitudinal direction of the conduit and thereby serving to distribute evenly the flow passing from the inner conduit through the perforations and therefore avoiding localized areas of high velocity flow; and (i) said metallic meshworks producing a temperature gradient between the inner conduit and the filtering layer.
References {lited by the Examiner UNITED STATES PATENTS 273,688 3/83 Kelly. 1,007,449 10/ 11 Keyes. 1,140,420 5/15 Thomas 138-41 2,089,492 8/ 37 Lambert 138-149 2,290,337 7/42 Knauth 138-30 2,348,754 5/44 Ray. 2,361,383 10/44 Coffman 138/149 2,378,879 6/45 Zylstra 210-505 XR 2,395,301 2/46 Sloan 210-505 XR 2,448,157 8/48 Schneider 210-487 XR 2,451,145 10/48 Baker et al 138-149 2,532,587 12/50 Williamson 138-149 2,596,392 5/52 Fessler 210-505 XR 2,676,773 4/56 Sanz et 2.1. 2,798,614 7/57 Alexander 210-487 2,864,505 12/58 Kasten. 2,947,419 8/60 Kasten 210-487 XR 2,975,118 3/61 Tognoui 204-1932 2,979,209 4/61 Nolden 210-487 XR 3,049,240 8/62 Smith 210-487 XR FOREIGN PATENTS 9,854 1902 Great Britain.
EDWARD V. BENHAM, Primary Examiner. ROGER L. CAMPBELL, LEWIS J. LENNY, Examiners.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH8117859A CH373226A (en) | 1959-11-27 | 1959-11-27 | Double-walled hollow body for holding a hot, pressurized gaseous medium |
Publications (1)
Publication Number | Publication Date |
---|---|
US3155117A true US3155117A (en) | 1964-11-03 |
Family
ID=4538556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US70775A Expired - Lifetime US3155117A (en) | 1959-11-27 | 1960-11-21 | Double-walled hollow body for the reception of a hot gaseous medium under pressure |
Country Status (3)
Country | Link |
---|---|
US (1) | US3155117A (en) |
CH (1) | CH373226A (en) |
GB (1) | GB959400A (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3495630A (en) * | 1967-03-01 | 1970-02-17 | Carborundum Co | Composite tubes |
DE2328020A1 (en) * | 1972-06-13 | 1973-12-20 | Asea Ab | CYLINDER-SHAPED LONG EXTENDED FURNACE FOR THE TREATMENT OF MATERIAL AT HIGH TEMPERATURE IN A GAS ATMOSPHERE UNDER HIGH PRESSURE |
JPS5074809A (en) * | 1973-11-08 | 1975-06-19 | ||
US3952777A (en) * | 1972-12-20 | 1976-04-27 | Brown Boveri-Sulzer Turbomaschinen Aktiengesellschaft | Hollow body for heated gases |
US4063344A (en) * | 1976-12-27 | 1977-12-20 | Texaco Inc. | Methods for forming a high temperature and shock resistant insulated pipe |
US4673002A (en) * | 1985-07-30 | 1987-06-16 | Sundstrand Corporation | Flexible fluid for transferring fluids |
US4909937A (en) * | 1987-02-20 | 1990-03-20 | Sartorius Gmbh | Integral filters for separating fluid components and housing for them |
WO1995005529A1 (en) * | 1993-08-16 | 1995-02-23 | Loral Vought Systems Corporation | High efficiency power generation |
US6253855B1 (en) * | 1999-01-21 | 2001-07-03 | Mentor Subsea Technology Services, Inc. | Intelligent production riser |
US20060048935A1 (en) * | 2002-12-16 | 2006-03-09 | Einar Kristiansen | Casing with isolated annular space |
WO2008135354A1 (en) * | 2007-05-08 | 2008-11-13 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Casing pipe for use in an exhaust gas system of an internal combustion engine and honeycomb bodies and exhaust gas system comprising at least one casing pipe and a method for the production of a casing pipe |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4061162A (en) * | 1976-12-27 | 1977-12-06 | Texaco Inc. | High temperature and shock resistant insulated pipe |
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US273688A (en) * | 1883-03-06 | Lining for non-conducting coverings | ||
GB190209854A (en) * | 1902-04-29 | 1903-04-23 | Alfred Julius Boult | Improvements in or relating to Filters. |
US1007449A (en) * | 1910-11-05 | 1911-10-31 | Frank E Keyes | Strainer. |
US1140420A (en) * | 1914-05-16 | 1915-05-25 | Columbus A Thomas | Gas-regulating valve. |
US2089492A (en) * | 1935-07-06 | 1937-08-10 | American Radiator Co | Duct |
US2290337A (en) * | 1940-11-28 | 1942-07-21 | Knauth Walter Theodore | Alleviator |
US2348754A (en) * | 1942-08-06 | 1944-05-16 | Allis Chalmers Mfg Co | Turbine apparatus |
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US2378879A (en) * | 1940-09-16 | 1945-06-19 | Sidney C Zylstra | Filter structure |
US2395301A (en) * | 1940-08-03 | 1946-02-19 | Jesse B Hawley | Method of making filter members |
US2448157A (en) * | 1945-09-01 | 1948-08-31 | Max S Schneider | Portable filter |
US2451145A (en) * | 1944-06-02 | 1948-10-12 | Kellogg M W Co | Lined pipe |
US2532587A (en) * | 1946-03-04 | 1950-12-05 | Alexander H Isenberg | Thermal insulated pipe |
US2596392A (en) * | 1950-05-12 | 1952-05-13 | Julius H Fessler | Wine filtration |
US2676773A (en) * | 1951-01-08 | 1954-04-27 | North American Aviation Inc | Aircraft insulated fuel tank |
US2798614A (en) * | 1953-12-11 | 1957-07-09 | Wix Corp | Filtering mediums |
US2864505A (en) * | 1956-09-07 | 1958-12-16 | Bendix Aviat Corp | Vertical two stage demulsifier filter assembly |
US2947419A (en) * | 1955-05-26 | 1960-08-02 | Bendix Aviat Corp | Filter and method of making |
US2975118A (en) * | 1956-12-20 | 1961-03-14 | Escher Wyss Ag | Nuclear power plant |
US2979209A (en) * | 1957-10-02 | 1961-04-11 | Nolden William | Strainers |
US3049240A (en) * | 1959-07-20 | 1962-08-14 | Permanent Filter Corp | Filtration equipment |
-
1959
- 1959-11-27 CH CH8117859A patent/CH373226A/en unknown
-
1960
- 1960-11-21 US US70775A patent/US3155117A/en not_active Expired - Lifetime
- 1960-11-23 GB GB40327/60A patent/GB959400A/en not_active Expired
Patent Citations (21)
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US273688A (en) * | 1883-03-06 | Lining for non-conducting coverings | ||
GB190209854A (en) * | 1902-04-29 | 1903-04-23 | Alfred Julius Boult | Improvements in or relating to Filters. |
US1007449A (en) * | 1910-11-05 | 1911-10-31 | Frank E Keyes | Strainer. |
US1140420A (en) * | 1914-05-16 | 1915-05-25 | Columbus A Thomas | Gas-regulating valve. |
US2089492A (en) * | 1935-07-06 | 1937-08-10 | American Radiator Co | Duct |
US2395301A (en) * | 1940-08-03 | 1946-02-19 | Jesse B Hawley | Method of making filter members |
US2378879A (en) * | 1940-09-16 | 1945-06-19 | Sidney C Zylstra | Filter structure |
US2290337A (en) * | 1940-11-28 | 1942-07-21 | Knauth Walter Theodore | Alleviator |
US2361383A (en) * | 1942-04-06 | 1944-10-31 | Phillips Petroleum Co | High temperature conduit |
US2348754A (en) * | 1942-08-06 | 1944-05-16 | Allis Chalmers Mfg Co | Turbine apparatus |
US2451145A (en) * | 1944-06-02 | 1948-10-12 | Kellogg M W Co | Lined pipe |
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US2532587A (en) * | 1946-03-04 | 1950-12-05 | Alexander H Isenberg | Thermal insulated pipe |
US2596392A (en) * | 1950-05-12 | 1952-05-13 | Julius H Fessler | Wine filtration |
US2676773A (en) * | 1951-01-08 | 1954-04-27 | North American Aviation Inc | Aircraft insulated fuel tank |
US2798614A (en) * | 1953-12-11 | 1957-07-09 | Wix Corp | Filtering mediums |
US2947419A (en) * | 1955-05-26 | 1960-08-02 | Bendix Aviat Corp | Filter and method of making |
US2864505A (en) * | 1956-09-07 | 1958-12-16 | Bendix Aviat Corp | Vertical two stage demulsifier filter assembly |
US2975118A (en) * | 1956-12-20 | 1961-03-14 | Escher Wyss Ag | Nuclear power plant |
US2979209A (en) * | 1957-10-02 | 1961-04-11 | Nolden William | Strainers |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3495630A (en) * | 1967-03-01 | 1970-02-17 | Carborundum Co | Composite tubes |
DE2328020A1 (en) * | 1972-06-13 | 1973-12-20 | Asea Ab | CYLINDER-SHAPED LONG EXTENDED FURNACE FOR THE TREATMENT OF MATERIAL AT HIGH TEMPERATURE IN A GAS ATMOSPHERE UNDER HIGH PRESSURE |
US3952777A (en) * | 1972-12-20 | 1976-04-27 | Brown Boveri-Sulzer Turbomaschinen Aktiengesellschaft | Hollow body for heated gases |
JPS5074809A (en) * | 1973-11-08 | 1975-06-19 | ||
US4063344A (en) * | 1976-12-27 | 1977-12-20 | Texaco Inc. | Methods for forming a high temperature and shock resistant insulated pipe |
US4673002A (en) * | 1985-07-30 | 1987-06-16 | Sundstrand Corporation | Flexible fluid for transferring fluids |
US4909937A (en) * | 1987-02-20 | 1990-03-20 | Sartorius Gmbh | Integral filters for separating fluid components and housing for them |
WO1995005529A1 (en) * | 1993-08-16 | 1995-02-23 | Loral Vought Systems Corporation | High efficiency power generation |
US5431016A (en) * | 1993-08-16 | 1995-07-11 | Loral Vought Systems Corp. | High efficiency power generation |
US5896895A (en) * | 1993-08-16 | 1999-04-27 | Lockheed Vought Systems | Radiation convection and conduction heat flow insulation barriers |
US6253855B1 (en) * | 1999-01-21 | 2001-07-03 | Mentor Subsea Technology Services, Inc. | Intelligent production riser |
US20060048935A1 (en) * | 2002-12-16 | 2006-03-09 | Einar Kristiansen | Casing with isolated annular space |
US7303016B2 (en) * | 2002-12-16 | 2007-12-04 | Einar Kristiansen | Casing with isolated annular space |
WO2008135354A1 (en) * | 2007-05-08 | 2008-11-13 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Casing pipe for use in an exhaust gas system of an internal combustion engine and honeycomb bodies and exhaust gas system comprising at least one casing pipe and a method for the production of a casing pipe |
Also Published As
Publication number | Publication date |
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CH373226A (en) | 1963-11-15 |
GB959400A (en) | 1964-06-03 |
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