GB2317683A - Method and apparatus for dispensing liquid hydrogen into tanks of vehicles - Google Patents
Method and apparatus for dispensing liquid hydrogen into tanks of vehicles Download PDFInfo
- Publication number
- GB2317683A GB2317683A GB9720194A GB9720194A GB2317683A GB 2317683 A GB2317683 A GB 2317683A GB 9720194 A GB9720194 A GB 9720194A GB 9720194 A GB9720194 A GB 9720194A GB 2317683 A GB2317683 A GB 2317683A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filling
- liquid
- heat exchanger
- pipe
- vehicles
- 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- Withdrawn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
- 239000007788 liquid Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims description 19
- 239000001257 hydrogen Substances 0.000 title abstract description 5
- 229910052739 hydrogen Inorganic materials 0.000 title abstract description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 26
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000013526 supercooled liquid Substances 0.000 claims abstract description 14
- 238000004781 supercooling Methods 0.000 claims abstract description 11
- 238000009835 boiling Methods 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 9
- 239000003345 natural gas Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000000446 fuel Substances 0.000 abstract description 6
- 239000002912 waste gas Substances 0.000 description 7
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/02—Supplying fuel to vehicles; General disposition of plant in filling stations
-
- 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
- F17C2205/0352—Pipes
- F17C2205/0364—Pipes flexible or articulated, e.g. a hose
-
- 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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/033—Small pressure, e.g. for liquefied gas
-
- 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
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/03—Heat exchange with the fluid
- F17C2227/0337—Heat exchange with the fluid by cooling
- F17C2227/0341—Heat exchange with the fluid by cooling using another fluid
-
- 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
- F17C2260/02—Improving properties related to fluid or fluid transfer
-
- 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
- F17C2260/03—Dealing with losses
- F17C2260/035—Dealing with losses of fluid
- F17C2260/036—Avoiding leaks
-
- 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
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
- F17C2265/065—Fluid distribution for refueling vehicle fuel tanks
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Liquid-containing tanks of vehicles can be filled with supercooled liquid (eg liquid hydrogen fuel), the supercooling being effected by heat exchange with low-temperature liquefied gas such as liquid nitrogen. The filling is initiated from a pressurized storage container 2 containing cryogenic liquid 1 in the boiling state and carried out while maintaining the pressure. Nitrogen can be used as the low-temperature liquefied gas for the supercooling, alternatively natural gas, methane or a mixture of the two can be used. The apparatus comprises a storage container 2, a transfer pipe 3, a heat exchanger 4 and a flexible pipe 7 which is connected to the liquid-containing tank 8 of the vehicle during filling.
Description
2317683 METHOD AND DEVICE FOR FILLING LIQUID-CONTAINING TANKS OF VEHICLES
OR THE LIKE This invention concerns a method for filling liquidcontaining tanks of vehicles or the like with supercooled liquid and a device therefor.
When filling a container or the like with liquid in the boiling state, large quantities of waste gas are generated which have to pass into the environment or have to be reliquefied at great expense. It is known from the paper by F.-J. Wetzel "Handling of Liquid Hydrogen at Filling Stations", Proceedings of the llth World Hydrogen Energy Conference, 1996, Stuttgart, Germany, that when filling vehicles with supercooled liquid hydrogen (LH2) as fuel only small quantities of waste gas if any at all are generated. For this, LH2 is held in a storage tank below the pressure in the tank to be filled in the boiling state. The pressure in the storage tank is only increased for filling and this increased pressure is maintained during filling. No LH2 evaporates since the temperature of the LH2 is below the boiling temperature at this increased pressure.
A disadvantage of this method is that the heat introduced into the storage tank by maintaining the increased pressure, which is effected with the aid of pressure-building evaporation, in time leads to the temperature of the LH2 in the storage tank approaching 2 the boiling temperature at this increased pressure. only after relieving the pressure in the storage tank, upon which the temperature of the LH2 is also reduced again, can supercooling be achieved again by subsequently increasing the pressure in the storage tank. However, when the pressure is relieved here to reduce the temperature of the LH2, this gives rise to very large quantities of waste gas or significant reliquefying expense at certain intervals, although not necessarily during the filling operation itself.
With another method according to the state of the art, the M2 at low pressure in the storage tank is brought up to the increased pressure necessary for supercooled filling with a pump. With this method the heat is introduced by running the pump down to a low temperature and keeping it at a low temperature and by the work required of the pump to increase the pressure. The quantities of waste gas or the reliquefying expense are correspondingly substantial.
The disadvantages occurring when filling with LH2 as fuel using methods according to the state of the art also apply to the use of these methods for filling vehicles with supercooled liquified natural gas, methane or other hydrocarbons. However-, in such a case it must also be noted that, for reasons of environmental protection, a release of waste gases of these fuels is undesirable and must be avoided if at all possible.
3 Therefore, the object of the invention is to avoid the release of waste gases of the fuel with minimal process engineering expense.
According to one aspect of the invention there is provided a method for filling liquid-containing tanks of vehicles or the like with supercooled liquid, wherein the supercooling is effected by heat exchange with a lowtemperature liquefied gas and the filling is initiated from a pressurised storage container containing cryogenic liquid in the boiling state and carried out while maintaining the pressure.
According to another aspect of the present invention there is provided a device for filling liquid-containing tanks of vehicles or the like with supercooled liquid, the device comprising a storage container for supercooled liquid, a transfer pipe, a heat exchanger and a flexible pipe, the flexible pipe being connected to the liquidcontaining tank of the vehicle during filling.
The advantage of the present invention lies in the fact that the liquid intended for filling vehicles can be stored continuously in the boiling state. The pressure in the storage tank is slightly above atmospheric pressure to avoid leaks into the storage tank, but can also increase to pressures up to a maximum operating pressure during filling. It is possible to dispense with the use of a pump by building up the pressure in the storage container before filling and maintaining the 4 necessary pressure.
The supercooling by heat exchange with a lowtemperature liquefied gas makes it possible to carry off all the heat losses occurring during filling at such a low temperature level that evaporation of the liquid intended for filling cannot take place.
To effect the supercooling of the liquid intended for filling by heat exchange, nitrogen, which evaporates in the process, can advantageously be used as the lowtemperature liquefied gas. When given off as waste gas, nitrogen does not pollute the environment, but can also be used again by recycling in reliquefied form. Thus, liquefied nitrogen is particularly suitable for the supercooling.
Advantageously the heat exchange can be carried out in a pipe-bundle heat exchanger or in a single-pipe heat exchanger. Heat exchangers of these types can be designed to withstand changing temperature and pressure loadings. One such heat exchanger may be located in the transfer pipe from the storage tank to the vehicle tank.
The heat exchange can be carried out particularly simply in a single-pipe heat exchanger, the single pipe being the transfer pipe itself and the transfer pipe being cooled with low-temperature liquefied gas.
The preferred supercooled liquid for the filling comprises primarily natural gas, methane or a mixture of the two. When burnt, water vapour is the main product due to the high proportion of hydrogen atoms in the fuel.
One advantageous application of the method or the device is to be found in filling stations for filling vehicles of any kind.
For a better understanding of the present invention and to show more clearly how it may be carried into effect reference will now be made, by way of example, to the accompanying drawings in which:
Figure 1 shows one embodiment of a device fo r effecting the present invention, the device incorporating a heat exchanger in the transfer pipe; and Figure 2 shows another embodiment of a device for effecting the present invention, the device incorporating a transfer pipe forming part of the heat exchanger.
According to the device shown in Figure 1, a cryogenic liquid in the boiling state, for example liquified fuel gas 1 such as liquified natural gas and/or liquified methane, passes from a storage tank 2 into a transfer pipe 3 and is supercooled in a heat exchanger 4, which may be positioned externally of the storage tank 2, by means of a low- temperature liquefied gas in the form of evaporating liquid nitrogen 5. The gaseous nitrogen produced as a result of the evaporation passes through a pipe 6 to a re-liquefying unit (not shown in Figure 1) or to atmosphere. The supercooled liquid, preferably natural gas and/or methane, is then passed through a flexible insulated pipe 7 into a vehicle tank 8. The 6 delivery pressure for this operation is determined in the storage tank by a pressure-building evaporator (not shown) which thus initiates filling and maintains pressure during filling.
The embodiment of the device shown in Figure 2 is similar to that shown in Figure 1 and the same reference numerals are used to denote the same or similar parts. It should be noted that in Figure 2 the transfer pipe 3 is provided with a cooling pipe 9 for effecting supercooling.
In the embodiments of both Figures 1 and 2, the containers and pipes are insulated by vacuum.
The heat exchanger may be a pipe-bundle heat exchanger or a single-pipe heat exchanger, for example the heat exchanger of Figure 1 being a pipebundle heat exchanger and the heat exchanger of Figure 2 being a singlepipe heat exchanger.
7
Claims (15)
1. A method for filling liquid-containing tanks of vehicles or the like with supercooled liquid, wherein the supercooling is effected by heat exchange with a lowtemperature liquefied gas and the filling is initiated from a pressurised storage container containing cryogenic liquid in the boiling state and carried out while maintaining the pressure.
2. A method according to claim 1, wherein liquefied nitrogen is used as the low-temperature liquefied gas for the supercooling.
3. A method according to claim 1 or 2, wherein the heat exchange is carried out in a pipe-bundle heat exchanger.
4. A method according to claim 1 or 2, wherein the heat exchange is carried out in a single-pipe heat exchanger.
5. A method according claim 4, wherein the heat exchange is carried out in a single-pipe heat exchanger, the single pipe being the transfer pipe itself.
6. A method according to any one of claims 1 to 5, wherein the supercooled liquid for the filling comprises primarily natural gas, methane or a mixture of the two.
7. A method for filling liquid-containing tanks of vehicles or the like with supercooled liquid 8 substantially as hereinbefore described with reference to Figure 1 or Figure 2 of the accompanying drawings.
8. A device for filling liquid-containing tanks of vehicles or the like with supercooled liquid, the device comprising a storage container for supercooled liquid, a transfer pipe, a heat exchanger and a flexible pipe, the flexible pipe being connected to the liquid-containing tank of the vehicle during filling.
9. A device according to claim 8, wherein liquefied nitrogen is supplied to the heat exchanger for the supercooling.
10. A device according to claim 8 or 9, wherein the heat exchanger comprises a pipe-bundle heat exchanger.
11. A device according to claim 8 or 9, wherein the heat exchanger comprises a single-pipe heat exchanger.
12. A device according claim 11, wherein the single pipe heat exchanger comprises the transfer pipe itself.
13. A device according to any one of claims 8 to 12, wherein the supercooled liquid for the filling comprises primarily natural gas, methane or a mixture of the two.
14. A device for filling vehicles or the like substantially as hereinbefore described with reference to, and as shown in, Figure 1 or Figure 2 of the accompanying drawings.
15. Use of the method according to any one of claims 1 to 7 or use of the device according to any one 9 of claims 8 to 14 in filling stations for filling vehicles or the like.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19639658A DE19639658A1 (en) | 1996-09-27 | 1996-09-27 | Method and device for refueling vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9720194D0 GB9720194D0 (en) | 1997-11-26 |
| GB2317683A true GB2317683A (en) | 1998-04-01 |
Family
ID=7807020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9720194A Withdrawn GB2317683A (en) | 1996-09-27 | 1997-09-24 | Method and apparatus for dispensing liquid hydrogen into tanks of vehicles |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE19639658A1 (en) |
| FR (1) | FR2753946A1 (en) |
| GB (1) | GB2317683A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011018174A1 (en) * | 2009-08-11 | 2011-02-17 | Linde Aktiengesellschaft | Filling of a storage vessel with a compressed medium |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10200392A1 (en) * | 2002-01-08 | 2003-07-17 | Linde Ag | Storage containers, especially for cryogenic liquids |
| DE10214667A1 (en) * | 2002-04-03 | 2003-10-30 | Messer Griesheim Gmbh | Umfüllschlauch |
| KR100675063B1 (en) * | 2005-06-27 | 2007-01-29 | 울산화학주식회사 | Filling method of Liquified gas |
| DE102010020476B4 (en) | 2010-05-14 | 2023-05-04 | Air Liquide Deutschland Gmbh | Use of a device for storing, decanting and/or transporting cryogenic liquefied combustible gas in a vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB456209A (en) * | 1934-03-28 | 1936-11-02 | Linde Air Prod Co | Method and apparatus for dispensing gas material |
| US5325894A (en) * | 1992-12-07 | 1994-07-05 | Chicago Bridge & Iron Technical Services Company | Method and apparatus for fueling vehicles with liquefied natural gas |
| US5365981A (en) * | 1991-08-31 | 1994-11-22 | Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt E.V. | Method and refuelling means for filling a cryotank |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5228295A (en) * | 1991-12-05 | 1993-07-20 | Minnesota Valley Engineering | No loss fueling station for liquid natural gas vehicles |
-
1996
- 1996-09-27 DE DE19639658A patent/DE19639658A1/en not_active Withdrawn
-
1997
- 1997-09-09 FR FR9711168A patent/FR2753946A1/en active Pending
- 1997-09-24 GB GB9720194A patent/GB2317683A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB456209A (en) * | 1934-03-28 | 1936-11-02 | Linde Air Prod Co | Method and apparatus for dispensing gas material |
| US5365981A (en) * | 1991-08-31 | 1994-11-22 | Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt E.V. | Method and refuelling means for filling a cryotank |
| US5325894A (en) * | 1992-12-07 | 1994-07-05 | Chicago Bridge & Iron Technical Services Company | Method and apparatus for fueling vehicles with liquefied natural gas |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011018174A1 (en) * | 2009-08-11 | 2011-02-17 | Linde Aktiengesellschaft | Filling of a storage vessel with a compressed medium |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2753946A1 (en) | 1998-04-03 |
| DE19639658A1 (en) | 1998-04-02 |
| GB9720194D0 (en) | 1997-11-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |