EP0003657A1 - Behälter für Druckgase - Google Patents
Behälter für Druckgase Download PDFInfo
- Publication number
- EP0003657A1 EP0003657A1 EP79300157A EP79300157A EP0003657A1 EP 0003657 A1 EP0003657 A1 EP 0003657A1 EP 79300157 A EP79300157 A EP 79300157A EP 79300157 A EP79300157 A EP 79300157A EP 0003657 A1 EP0003657 A1 EP 0003657A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- gas
- expanded metal
- container according
- metal mesh
- 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.)
- Withdrawn
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
- F17C13/123—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for gas bottles, cylinders or reservoirs for tank vehicles or for railway tank wagons
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/06—Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0607—Coatings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0602—Wall structures; Special features thereof
- F17C2203/0612—Wall structures
- F17C2203/0614—Single wall
- F17C2203/0619—Single wall with two layers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/01—Mounting arrangements
- F17C2205/0153—Details of mounting arrangements
- F17C2205/018—Supporting feet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0332—Safety valves or pressure relief valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
- F17C2260/042—Reducing risk of explosion
Definitions
- the present invention relates to containers intended primarily for liquified petroleum gases such as butane, propane, ethylene oxide, hydrazine, vinyl acetate and many others.
- the invention is directed to a construction of the container which will either completely prevent or significantly delay the time to explosion of such a container when subjected to intense heat in for example a fire.
- Liquid petroleum gas (LPG) containers are always at a pressure above atmosphere in order to maintain the gas in the liquid phase as a liquid and in such a case it is not possible for air to enter to . form an explosive mixture.
- LPG containers such as railway tank cars
- the resulting explosions have been of frightening proportions, for example producing "fireballs" 200 feet or more in diameter.
- the (usually steel) wall of the container is heated to a temperature at which its tensile strength is so reduced that it ruptures.
- the container pressure is reduced rapidly and the liquid very quickly evaporates and expands into a large gas cloud which is ignited by the fire, causing a devastating fireball.
- the burning gas being ejected from the ruptured container will very often propel it many hundreds of feet. If, for any reason, the relief valve fails to open or, due to inversion of the container,is below the liquid level bursting-may be caused sooner by a simple pressure burst, but with the same devastating results. This is also true for containers without relief valves.
- a container particularly a pressure container for containing liquified petroleum gas, has an at least partial filling of expanded metal mesh and,externally an intumescent coating.
- Small containers such as gas bottles for portable stoves may have a complete filling of expanded foil if it is more convenient to fit it in this way. Larger vessels may be partially filled to produce the same effective protection against BLEVE. This partial fill will be cheaper, displace less and weigh less.
- the intumescent coating particularly for mobile or portable containers should be highly resistant to impact or abrasion.
- Intumescent paints or varnishes are known and used particularly in buildings to delay the burning of timber materials and to delay the overheating of steel structures.
- the intumescent coatings foam and carbonize forming a heat insulating barrier.
- An intumescent coating system may include just a single layer or may have a plurality of layers including under and top coats as required depending on the particular container protection required etc.
- the container has a relief valve
- the relief valve opens some liquid gas evaporates and in so doing uses large quantities of heat energy which is drawn in through the walls of the container, through the expanded metal mesh into the liquid.
- the wall of the container is externally insulated by the foamed intumescent coating the temperature of the container wall is significantly lowered from its previous temperature.
- the walls of the container are thereby prevented from reaching a temperature at which there is a significant weakening and the internal pressure in the container is not able therefore to burst the wall.
- the cooling effect will also increase the time between closing and opening of the relief valve thus reducing the quantity of gas being released.
- the expanded metal may prevent any point of the liquid gas reaching an auto-ignition temperature.
- Ethylene oxide in particular is extremely hazardous as, once it has reached a temperature of 560°Centigrade explosive decomposition is initiated and continues even though the temperature source is removed. Therefore, decomposition can continue, without this being apparent, until auto-ignition is achieved.
- the expanded metal by its inherent ability to dissipate heat quickly, prevents the initiation temperature being reached so that the hazard is greatly reduced.
- An expanded aluminium mesh pack with a weight of 25g per litre will have up to 500 times the conducting capability of a petroleum gas and will thus transmit heat from the container wall 500 times faster than if only the gas were present.
- the gas is in contact with the wall of the container at all points on its surface except where the expanded metal is in contact with the wall it is believed that the greater part of the heat is conducted from the wall into the gas and then immediately into the expanded metal mesh.
- Tests have shown that the expanded metal mesh may be in contact with the wall of the container at relatively few points. This is significant as, with transportable containers, there may be some breaking away of the expanded metal from the wall of the container due to vibration for example and if the expanded metal were the prime conductor of heat from the wall this would be a serious problem.
- Figure 1 illustrates a test rig used in these tests.
- the tests were carried out on standard dome- shaped ventless steel camping gas cartridges containing 200 grams of liquid butane.
- the test rig itself is simple. and comprises a protective steel plate A through which projects a gas torch B and to which is attached a clamp C for the gas containers D.
- the flame E from the gas torch is arranged to be directed onto the top and side of the container at such a point that it is above the level of liquid.
- a first test was carried out with a cartridge as normally supplied, with no protection. After 31 seconds the domed bottom F of the container inverted and the container burst after 2 minutes and 26 seconds. The container burst not because of weakening of the container wall, but simply due to the very high pressure generated by the expanding gas.
- a second container including a complete fill of expanded aluminimum alloy mesh of .04 mm thickness was tested and the time to inversion of the bottom of the container was 54 seconds and a pressure burst occured at 4 minutes 18 seconds.
- the fourth container was substantially the same as the third, but included a further intumescent finish coating ("Firescreen Finish”) 700 microns thick. Inversion of the bottom occured at 33 minutes and again there was no burst.
- Firescreen Finish a further intumescent finish coating
- the container shown in Figures 2A and B is of a basic well-known type and comprises an elongate cylindrical wall 1 which, has domed ends 2 and 3, the lower end 3 having attached thereto a cylindrical sectioned base 4 having a lower flange 5 to enable the container to stand on the ground securely.
- the upper end of the container has a gas outlet 6 at which is positioned a valve unit 7 having a manually operable valve and a pressure relief valve.
- the container has a spirally wound coil 8 of expanded aluminium alloy foil which, although actually occupying only between 1 and 2 per cent of the internal volume of the container, extends throughout the container so as to enable conduction of heat from the walls of the container into the liquid gas in the container, whatever the orientation of the container.
- the expanded aluminium alloy mesh has a thickness of .04 mm and a strand width of 1.78 mm.
- each aperture In the longitudinal direction of the mesh, that is to say along the length of the diamond-shaped apertures produced in the mesh during the expanding process each aperture has a length of approximately 15 mm.
- the width of each aperture is approximately 8.4 mm when expanded.
- Such a mesh, when wound into a coil has a density of approximately .03 grams/cm 3 ..
- an intumescent coating 9 which may be of either a single or multi-layer type, such as used in the tests described above.
- Figure 3A there is shown a cross-section through a much larger container of the type which is normally mounted on a railway car.
- the container has a generally cylindrical wall 11 and domed, spherical ends 12 and 13 such as shown in Figure 3C.
- the rail car container of the present example lies with the major axis of the cylinder substantially horizontal and includes a pressure release valve (not shown).
- the container has a single or multi layer intumescent coating 14 as in the previous example, but, internally, has only a partial filling of expanded metal mesh 15, the mesh being provided in the form of large coils 16 separately supported in an annular array by expanded metal mesh radially extending sheets 17 and by a pair of substantially semi-cylindrical expanded metal mesh sheets 18.
- Figures 3B and C show an alternative example to that shown in Figure 3A.
- the expanded metal mesh is provided in a number of layers 19 to form an annulus against the wall of the container and is supported internally by a cylinder 20 of expanded metal mesh of larger all round dimensions braced internally by cross-bars 21.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB491178 | 1978-02-07 | ||
GB491178 | 1978-02-07 | ||
GB851178 | 1978-03-03 | ||
GB851178 | 1978-03-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0003657A1 true EP0003657A1 (de) | 1979-08-22 |
Family
ID=26239463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP79300157A Withdrawn EP0003657A1 (de) | 1978-02-07 | 1979-01-31 | Behälter für Druckgase |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0003657A1 (de) |
JP (1) | JPS54114817A (de) |
AU (1) | AU4373279A (de) |
BR (1) | BR7900678A (de) |
DD (1) | DD141944A5 (de) |
DK (1) | DK48679A (de) |
ES (1) | ES477506A1 (de) |
NO (1) | NO790299L (de) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2420717A1 (fr) * | 1978-03-20 | 1979-10-19 | Explosafe Sa | Reservoir resistant a la pression |
EP0010905A1 (de) * | 1978-11-02 | 1980-05-14 | Blevex Limited | Wärmeschutzsperre und Verfahren zur Herstellung derselben |
EP0036284A2 (de) * | 1980-03-14 | 1981-09-23 | Blevex Limited | Verfahren zum Herstellen einer schützenden Hitzesperre |
EP0129653A2 (de) * | 1983-06-22 | 1985-01-02 | Udo Poschinger | Gasbehälter |
GB2144839A (en) * | 1983-03-04 | 1985-03-13 | Udo Poschinger | Gas container |
US4921118A (en) * | 1987-09-04 | 1990-05-01 | Courtney P. Grover, III | Manufacture of filling material |
US4930651A (en) * | 1978-03-20 | 1990-06-05 | Explosafe North America Inc. | Storage vessel for liquefied gas at ambient temperature |
US5000336A (en) * | 1987-09-04 | 1991-03-19 | Grover-Turtur Venture | Explosion protection system for a container |
FR2748942A1 (fr) * | 1996-05-25 | 1997-11-28 | Nullifire Ldt | Contenant de protection au feu pour une bouteille de gaz liquefie |
WO1998033004A1 (de) * | 1997-01-28 | 1998-07-30 | Mannesmann Ag | Behälter zur speicherung von druckgas |
ES2319067A1 (es) * | 2007-10-25 | 2009-05-01 | Tratinox, S.A. | Botella para gases licuados del petroleo y productos similares con difusor antiexplosivo, y proceso de fabricacion de la misma. |
CN103939731A (zh) * | 2014-04-28 | 2014-07-23 | 杨元清 | 防爆过滤压力储罐 |
CN106233060A (zh) * | 2014-07-11 | 2016-12-14 | 宝马股份公司 | 用于保护机动车高压气体容器的装置、用于机动车的高压气体容器以及用于制造高压气体容器的方法 |
CN113117123A (zh) * | 2021-05-26 | 2021-07-16 | 上海国颂医疗科技有限公司 | 一种可降低环氧乙烷气体燃烧或***安全风险的装置 |
EP4006539A1 (de) * | 2020-11-25 | 2022-06-01 | TÜV SÜD Industrie Service GmbH | Druckaufbringvorrichtung zur durchführung einer schallemissionsprüfung und verfahren zur durchführung einer schallemissionsprüfung |
WO2022228937A1 (de) * | 2021-04-30 | 2022-11-03 | Robert Bosch Gmbh | Druckgasbehälter, druckgasspeichersystem mit druckgasbehälter |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3307797A1 (de) * | 1983-03-04 | 1984-09-06 | Udo 8037 Olching Poschinger | Gasbehaelter |
DE19703591A1 (de) * | 1997-01-31 | 1998-08-06 | Kaefer Isoliertechnik | Wärmedämmung für einen Kugeltank |
DE10352569B4 (de) * | 2003-11-11 | 2021-07-01 | Bayerische Motoren Werke Aktiengesellschaft | Kraftstoffbehälter für ein Kraftfahrzeug |
AT501577B1 (de) * | 2004-04-09 | 2007-05-15 | Franz Ing Stuhlbacher | Verfahren zum befüllen eines behältnisses mit einem gas |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB121762A (en) * | 1917-11-01 | 1919-01-02 | Alfred William Torkington | Improvements in or relating to Containers for Holding Gas Under Pressure. |
FR1268538A (fr) * | 1960-06-21 | 1961-08-04 | Forges Chantiers Mediterranee | Perfectionnements aux réservoirs |
US3069042A (en) * | 1961-07-06 | 1962-12-18 | Herrick L Johnston Inc | Method and apparatus for storing liquefied gases |
US3733289A (en) * | 1971-08-24 | 1973-05-15 | Monsanto Co | Fire retardant coating composition |
-
1979
- 1979-01-26 AU AU43732/79A patent/AU4373279A/en not_active Abandoned
- 1979-01-30 NO NO790299A patent/NO790299L/no unknown
- 1979-01-31 EP EP79300157A patent/EP0003657A1/de not_active Withdrawn
- 1979-02-05 BR BR7900678A patent/BR7900678A/pt unknown
- 1979-02-06 DK DK48679A patent/DK48679A/da unknown
- 1979-02-06 JP JP1193879A patent/JPS54114817A/ja active Pending
- 1979-02-06 DD DD79210844A patent/DD141944A5/de unknown
- 1979-02-06 ES ES477506A patent/ES477506A1/es not_active Expired
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB121762A (en) * | 1917-11-01 | 1919-01-02 | Alfred William Torkington | Improvements in or relating to Containers for Holding Gas Under Pressure. |
FR1268538A (fr) * | 1960-06-21 | 1961-08-04 | Forges Chantiers Mediterranee | Perfectionnements aux réservoirs |
US3069042A (en) * | 1961-07-06 | 1962-12-18 | Herrick L Johnston Inc | Method and apparatus for storing liquefied gases |
US3733289A (en) * | 1971-08-24 | 1973-05-15 | Monsanto Co | Fire retardant coating composition |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4930651A (en) * | 1978-03-20 | 1990-06-05 | Explosafe North America Inc. | Storage vessel for liquefied gas at ambient temperature |
FR2420717A1 (fr) * | 1978-03-20 | 1979-10-19 | Explosafe Sa | Reservoir resistant a la pression |
EP0010905A1 (de) * | 1978-11-02 | 1980-05-14 | Blevex Limited | Wärmeschutzsperre und Verfahren zur Herstellung derselben |
FR2441025A1 (fr) * | 1978-11-02 | 1980-06-06 | Expanded Metal | Barriere de protection contre la chaleur |
EP0036284A2 (de) * | 1980-03-14 | 1981-09-23 | Blevex Limited | Verfahren zum Herstellen einer schützenden Hitzesperre |
EP0036284A3 (de) * | 1980-03-14 | 1981-12-16 | Blevex Limited | Verfahren zum Herstellen einer schützenden Hitzesperre |
GB2144839A (en) * | 1983-03-04 | 1985-03-13 | Udo Poschinger | Gas container |
EP0129653A2 (de) * | 1983-06-22 | 1985-01-02 | Udo Poschinger | Gasbehälter |
EP0129653A3 (en) * | 1983-06-22 | 1985-12-04 | Udo Poschinger | Gas reservoir |
US5000336A (en) * | 1987-09-04 | 1991-03-19 | Grover-Turtur Venture | Explosion protection system for a container |
US4921118A (en) * | 1987-09-04 | 1990-05-01 | Courtney P. Grover, III | Manufacture of filling material |
FR2748942A1 (fr) * | 1996-05-25 | 1997-11-28 | Nullifire Ldt | Contenant de protection au feu pour une bouteille de gaz liquefie |
WO1998033004A1 (de) * | 1997-01-28 | 1998-07-30 | Mannesmann Ag | Behälter zur speicherung von druckgas |
ES2319067A1 (es) * | 2007-10-25 | 2009-05-01 | Tratinox, S.A. | Botella para gases licuados del petroleo y productos similares con difusor antiexplosivo, y proceso de fabricacion de la misma. |
CN103939731A (zh) * | 2014-04-28 | 2014-07-23 | 杨元清 | 防爆过滤压力储罐 |
CN106233060A (zh) * | 2014-07-11 | 2016-12-14 | 宝马股份公司 | 用于保护机动车高压气体容器的装置、用于机动车的高压气体容器以及用于制造高压气体容器的方法 |
US10267459B2 (en) | 2014-07-11 | 2019-04-23 | Bayerische Motoren Werke Aktiengesellschaft | Device for protecting a high-pressure gas tank in a motor vehicle, high-pressure gas tank for a motor vehicle, and method for the production of a high-pressure gas tank |
CN106233060B (zh) * | 2014-07-11 | 2019-07-19 | 宝马股份公司 | 用于保护机动车高压气体容器的装置 |
EP4006539A1 (de) * | 2020-11-25 | 2022-06-01 | TÜV SÜD Industrie Service GmbH | Druckaufbringvorrichtung zur durchführung einer schallemissionsprüfung und verfahren zur durchführung einer schallemissionsprüfung |
WO2022228937A1 (de) * | 2021-04-30 | 2022-11-03 | Robert Bosch Gmbh | Druckgasbehälter, druckgasspeichersystem mit druckgasbehälter |
CN113117123A (zh) * | 2021-05-26 | 2021-07-16 | 上海国颂医疗科技有限公司 | 一种可降低环氧乙烷气体燃烧或***安全风险的装置 |
CN113117123B (zh) * | 2021-05-26 | 2022-10-21 | 上海国颂医疗科技有限公司 | 一种可降低环氧乙烷气体燃烧或***安全风险的装置 |
Also Published As
Publication number | Publication date |
---|---|
NO790299L (no) | 1979-08-08 |
AU4373279A (en) | 1979-08-16 |
BR7900678A (pt) | 1979-09-04 |
ES477506A1 (es) | 1980-04-01 |
DD141944A5 (de) | 1980-05-28 |
DK48679A (da) | 1979-08-08 |
JPS54114817A (en) | 1979-09-07 |
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