EP3026323A1 - Erdgaswiederherstellungssystem und fahrzeug mit dieser vorrichtung - Google Patents

Erdgaswiederherstellungssystem und fahrzeug mit dieser vorrichtung Download PDF

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Publication number
EP3026323A1
EP3026323A1 EP15194172.1A EP15194172A EP3026323A1 EP 3026323 A1 EP3026323 A1 EP 3026323A1 EP 15194172 A EP15194172 A EP 15194172A EP 3026323 A1 EP3026323 A1 EP 3026323A1
Authority
EP
European Patent Office
Prior art keywords
tank
natural gas
gaseous phase
compressor
liquefied natural
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.)
Granted
Application number
EP15194172.1A
Other languages
English (en)
French (fr)
Other versions
EP3026323B1 (de
Inventor
Salvatore Basile
Clino D'Epiro
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.)
Iveco SpA
Original Assignee
Iveco SpA
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 Iveco SpA filed Critical Iveco SpA
Priority to EP19187952.7A priority Critical patent/EP3614035B1/de
Publication of EP3026323A1 publication Critical patent/EP3026323A1/de
Application granted granted Critical
Publication of EP3026323B1 publication Critical patent/EP3026323B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F17C2205/0123—Mounting arrangements characterised by number of vessels
    • F17C2205/013—Two or more vessels
    • F17C2205/0134—Two or more vessels characterised by the presence of fluid connection between vessels
    • 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
    • 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
    • F17C2205/0335—Check-valves or non-return 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
    • 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
    • F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
    • F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
    • F17C2225/0146—Two-phase
    • F17C2225/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2225/0161—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
    • F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
    • F17C2227/01—Propulsion of the fluid
    • F17C2227/0128—Propulsion of the fluid with pumps or compressors
    • F17C2227/0157—Compressors
    • 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/01—Intermediate tanks
    • 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/03—Control means
    • F17C2250/032—Control means using computers
    • 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/043—Pressure
    • 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
    • F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/04—Indicating or measuring of parameters as input values
    • F17C2250/0404—Parameters indicated or measured
    • F17C2250/0439—Temperature
    • 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
    • F17C2265/03—Treating the boil-off
    • F17C2265/032—Treating the boil-off by recovery
    • F17C2265/037—Treating the boil-off by recovery with pressurising
    • 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
    • F17C2265/066—Fluid distribution for feeding engines for propulsion
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
    • 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
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0184—Fuel cells

Definitions

  • the present invention relates to the field of natural gas systems for vehicles and in particular to liquefied natural gas systems.
  • a tank adapted to store LNG tends to release towards the atmosphere a certain amount of gas which depends on the pressure and temperature of the gas in the tank. In general it is estimated that after about 180h the first releases of gases to the outside occur.
  • Such gas contributes to the calculation of the emissions of a vehicle, since natural gas is a greenhouse gas similar to carbon dioxide.
  • the purpose of the present invention is to reduce the overall emissions of a vehicle fuelled with liquefied natural gas.
  • the basic idea of the present invention is to recover the natural gas released from the liquefied natural gas tank and to store it in another appropriate tank.
  • this appropriate tank is a high pressure tank for compressed natural gas.
  • a first conventional tank for liquefied natural gas is joined by a second tank for compressed natural gas.
  • a pressure sensor is present in the first tank and when it measures a pressure higher than a predefined threshold, a processing unit orders the activation of a compressor having an inlet communicating with the first tank and an outlet communicating with the second tank, in order to remove the excess gas from the first tank and compress it in the second tank.
  • the first tank comprises a safety valve calibrated at a pressure greater than the activation pressure of the aforesaid predefined pressure threshold, so that, in case of malfunction of any component of the recovery system, the excess gas can be released into the environment without any risk.
  • a check valve or a solenoid valve controlled by the processing unit is housed on the inlet or the outlet of the compressor.
  • the first tank is connected to the second tank through an expansion chamber and a compressor in succession.
  • the compressor therefore has an inlet in communication with the expansion chamber and an outlet in communication with the second tank.
  • the connection between the first tank and the expansion chamber is made by means of a first safety/overpressure valve which releases the excess gas of the first tank into the expansion chamber.
  • the expansion chamber contains a pressure sensor. When it measures a pressure above a predefined threshold inside the expansion chamber, a processing unit orders the activation of the compressor which withdraws the gas released in the expansion chamber and compresses it in the second tank.
  • the first tank and/or the expansion chamber comprises a second safety valve calibrated at a pressure greater than the activation pressure of the first safety/overpressure valve, so that, in case of malfunction of any component of the recovery system, the excess gas can be released into the environment without any risk.
  • This second variant compared to the first, makes it possible to do without the pressure sensor in the first tank, where temperatures are below -100°C. In addition, it makes it possible to avoid modifying a tank for liquefied natural gas, keeping it as originally conceived.
  • the recovered gas can be used to drive the vehicle resulting in a corresponding increase of total mileage, with undoubted economic and environmental advantages.
  • the present invention relates to a system for the recovery of natural gas released from a liquefied natural gas tank, as described in claim 1.
  • Another object of the present invention is a natural gas supply system comprising the aforesaid recovery system.
  • a further object of the present invention is a land vehicle fitted with an internal combustion engine powered by a liquefied natural gas fuel supply system comprising the aforesaid recovery system.
  • second component does not imply the presence of a “first” component.
  • Figure 1 shows a first preferred variant of the present invention wherein a first tank 1 is of the type intended to store liquefied natural gas.
  • a first safety valve V1 places the tank 1 in communication with the environment. Generally, this valve is connected to a first opening placed in the upper part of the tank, so as to intercept only the gaseous phase.
  • a second opening H2, different from the first opening, is connected to an inlet of a compressor CP.
  • the outlet of the compressor CP is connected to a second tank 2 intended to store compressed natural gas.
  • a check valve CV is placed upstream or downstream of the compressor CP, depending on the direction of circulation of the gas aspirated from the tank 1 and introduced into the tank 2.
  • a pressure sensor P is housed in the first tank 1.
  • a CPU processing unit is connected to said pressure sensor P and when the pressure measured by it exceeds a predefined threshold, the processing unit orders the activation of the compressor which aspirates natural gas in the gaseous phase from the first tank 1 compressing it in the second tank 2.
  • said predefined threshold is appropriately below an activation threshold of the first safety valve V1.
  • Both the first tank and the second tank comprise respective openings towards the injection device of the natural gas supply system fuelling the internal vehicular combustion engine, not shown.
  • FIG. 2 shows another preferred variant of the invention in which the first and second tank are present, as in the previous example.
  • the connection between the first tank is made in succession through an expansion chamber EX and the compressor CP.
  • the first tank as before, comprises a first safety valve V1 which places the tank 1 in communication with the environment.
  • the first tank comprises a second safety /overpressure valve V2 which connects the first tank with the expansion chamber EX.
  • the compressor CP has an inlet connected with the expansion chamber EX and an outlet connected with the second tank 2.
  • a check valve CV is placed between the expansion chamber EX and the compressor CP, or downstream of it, i.e. between the compressor CP and the second tank 2.
  • a pressure sensor P is housed in the expansion chamber EX.
  • a CPU processing unit is connected to said pressure sensor P and when the pressure measured by it exceeds a predefined threshold, the processing unit orders the activation of the compressor which aspirates natural gas in the gaseous phase from the expansion chamber compressing it in the second tank 2.
  • the pressure thresholds that determine both the opening of the overpressure/safety valve V2 and the activation of the compressor are appropriately below an activation threshold of the first safety valve V1.
  • the compressor CP is preferably an electro-compressor.
  • the second tank too may be fitted with a safety valve not shown.
  • a pressure sensor is completely optional, as it is possible to estimate the excess gaseous phase in the first tank in different ways, for example on the basis of the quantity and temperature of the liquid phase present in the first tank.
  • the quantity may be determined indirectly based on the capacity of the first tank 1 based on the consumption of liquefied natural gas.
  • Embodiment variants may be made to the non-limiting example described, while remaining within the scope of protection of the present invention, comprising all the equivalent embodiments for a person skilled in the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
EP15194172.1A 2014-11-11 2015-11-11 Erdgaswiederherstellungssystem und fahrzeug mit dieser vorrichtung Active EP3026323B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19187952.7A EP3614035B1 (de) 2014-11-11 2015-11-11 Erdgasrückgewinnungssystem und fahrzeug mit besagtem system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO20140937 2014-11-11

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP19187952.7A Division EP3614035B1 (de) 2014-11-11 2015-11-11 Erdgasrückgewinnungssystem und fahrzeug mit besagtem system

Publications (2)

Publication Number Publication Date
EP3026323A1 true EP3026323A1 (de) 2016-06-01
EP3026323B1 EP3026323B1 (de) 2019-08-14

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Application Number Title Priority Date Filing Date
EP15194172.1A Active EP3026323B1 (de) 2014-11-11 2015-11-11 Erdgaswiederherstellungssystem und fahrzeug mit dieser vorrichtung
EP19187952.7A Active EP3614035B1 (de) 2014-11-11 2015-11-11 Erdgasrückgewinnungssystem und fahrzeug mit besagtem system

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19187952.7A Active EP3614035B1 (de) 2014-11-11 2015-11-11 Erdgasrückgewinnungssystem und fahrzeug mit besagtem system

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EP (2) EP3026323B1 (de)
ES (2) ES2939463T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018015640A1 (fr) * 2016-07-21 2018-01-25 Engie Module et systeme de depressurisation d'un reservoir cryogenique.

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5540208A (en) * 1994-09-13 1996-07-30 Nabco Limited Liquefied gas fuel supply system
EP1838991A1 (de) * 2005-01-21 2007-10-03 Cryostar SAS Erdgasversorgungsverfahren und -vorrichtung
DE202013101593U1 (de) * 2013-04-15 2013-04-24 EES-Autogas Technologiezentrum UG (haftungsbeschränkt) Vorrichtung zur Gasversorgung
WO2014006265A1 (en) * 2012-07-03 2014-01-09 Lngtainer Ab Tank
DE102012024717A1 (de) * 2012-12-18 2014-06-18 Daimler Ag Fahrzeug mit einem Flüssiggastank

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5540208A (en) * 1994-09-13 1996-07-30 Nabco Limited Liquefied gas fuel supply system
EP1838991A1 (de) * 2005-01-21 2007-10-03 Cryostar SAS Erdgasversorgungsverfahren und -vorrichtung
WO2014006265A1 (en) * 2012-07-03 2014-01-09 Lngtainer Ab Tank
DE102012024717A1 (de) * 2012-12-18 2014-06-18 Daimler Ag Fahrzeug mit einem Flüssiggastank
DE202013101593U1 (de) * 2013-04-15 2013-04-24 EES-Autogas Technologiezentrum UG (haftungsbeschränkt) Vorrichtung zur Gasversorgung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018015640A1 (fr) * 2016-07-21 2018-01-25 Engie Module et systeme de depressurisation d'un reservoir cryogenique.
FR3054286A1 (fr) * 2016-07-21 2018-01-26 Engie Module et systeme de depressurisation d'un reservoir cryogenique
CN109563966A (zh) * 2016-07-21 2019-04-02 能源集团 用于对低温罐减压的模块和系统
US11353161B2 (en) 2016-07-21 2022-06-07 Engie Module and system for depressurising a cryogenic tank

Also Published As

Publication number Publication date
EP3026323B1 (de) 2019-08-14
EP3614035A1 (de) 2020-02-26
ES2939463T3 (es) 2023-04-24
ES2754232T3 (es) 2020-04-16
EP3614035B1 (de) 2022-12-28

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