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WO2019091702A1 - Dispositif d'alimentation en carburant pour des carburants cryogéniques, procédé servant à faire fonctionner un dispositif d'alimentation en carburant pour des carburants cryogéniques - Google Patents

Dispositif d'alimentation en carburant pour des carburants cryogéniques, procédé servant à faire fonctionner un dispositif d'alimentation en carburant pour des carburants cryogéniques Download PDF

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Publication number
WO2019091702A1
WO2019091702A1 PCT/EP2018/077975 EP2018077975W WO2019091702A1 WO 2019091702 A1 WO2019091702 A1 WO 2019091702A1 EP 2018077975 W EP2018077975 W EP 2018077975W WO 2019091702 A1 WO2019091702 A1 WO 2019091702A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump
pressure pump
tank
pressure
fuel
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.)
Ceased
Application number
PCT/EP2018/077975
Other languages
German (de)
English (en)
Inventor
Frank Zehnder
Dirk SCHNITTGER
Andreas Beiter
Friedrich Howey
Markus Viereck
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of WO2019091702A1 publication Critical patent/WO2019091702A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/023—Valves; Pressure or flow regulators in the fuel supply or return system
    • F02M21/0242—Shut-off valves; Check valves; Safety valves; Pressure relief valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/02—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
    • F02D19/021—Control of components of the fuel supply system
    • F02D19/022—Control of components of the fuel supply system to adjust the fuel pressure, temperature or composition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D41/0027—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures the fuel being gaseous
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0245—High pressure fuel supply systems; Rails; Pumps; Arrangement of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/06—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/08—Cooling; Heating; Preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
    • F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M21/00—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form
    • F02M21/02—Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
    • F02M21/0218—Details on the gaseous fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
    • F02M21/0221—Fuel storage reservoirs, e.g. cryogenic tanks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/06—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure
    • F04B15/08—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure the liquids having low boiling points
    • F04B2015/081—Liquefied gases
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/30—Use of alternative fuels, e.g. biofuels

Definitions

  • a fuel feed device for cumbersome fuels method for operating a fuel feed device for cumbersome fuels
  • the invention relates to a fuel delivery device for cryogenic fuels having the features of the preamble of claim 1. Furthermore, the invention relates to a method for operating a fuel delivery device for cryogenic fuels having the features of the preamble of claim 6.
  • the cryogenic fuel may in particular be natural gas (NG) stored on board a motor vehicle for operating a liquefied natural gas (LNG) in a specially designed tank.
  • NG natural gas
  • LNG liquefied natural gas
  • cryogenic tanks The storage of cryogenic fuels on board a motor vehicle is usually carried out in so-called cryogenic tanks. These are cryogenic reservoirs that are sufficiently isolated to store the cryogenic fuel in liquid form. For example, the ideal storage temperature for natural gas is -160 ° C. Hydrogen is stored at -253 ° C. A private cooling these tanks do not usually.
  • the removal of the cryogenic fuel from the tank is usually carried out by means of a fuel delivery device comprising at least one high-pressure pump for compressing the fuel.
  • the high-pressure pump can be partially arranged in the tank.
  • the pump head in the tank and the drive of the pump can be arranged outside the tank.
  • This arrangement has the advantage that the pump head is cooled, so that a separate cooling for the pump can be omitted.
  • Due to the partial arrangement of the high-pressure pump in the tank increases the design effort, since in the field of implementation, the isolation of the tank is interrupted. Therefore, fuel delivery systems for cryogenic fuels are also known from the state of the art, in which the high-pressure pump is arranged outside the tank and can be supplied with fuel by means of a prefeed pump arranged in the tank. For cooling the high pressure pump then a separate cooling can be provided.
  • a fuel system with a tank for storing liquefied petroleum gas and a pumping device for conveying the liquefied gas emerges by way of example, which moreover comprises a cooling device in order to reduce the temperature of the liquefied gas in a region of the fuel system which a suction side of the pumping means is fluidly coupled.
  • the present invention seeks to provide an alternative cooling a high-pressure pump, which is simple and inexpensive to implement.
  • the proposed fuel delivery device for cryogenic fuels comprises a prefeed pump and a high-pressure pump, the high-pressure pump having a pump head in which a compression space is formed, which is limited by a reciprocating piston.
  • a cold-start valve via which the compression space and / or a low-pressure space of the high-pressure pump can be connected to a tank for storing the cryogenic fuel, is integrated in the high-pressure pump, preferably in the pump head of the high-pressure pump.
  • About the cold-dump valve is thus the high-pressure pump cryogenic fuel from the tank, that is cryogenic fuel, fed, so that on this Way a cooling of the high-pressure pump is achieved.
  • the cooling flow can be guided past the compression space or the compression space, so that optimum cooling of the compression space is achieved.
  • the gas content in the compression chamber can be specifically reduced. This means that largely only liquid fuel is compressed, which requires less power of the high-pressure pump and thus reduces the energy requirement.
  • the cooling flow that can be generated for cooling the high-pressure pump by means of the cold-actuated valve can be supplied to the compression chamber directly or indirectly via a low-pressure chamber.
  • the direct feed allows a very direct and thus effective cooling of the compression space, while the indirect cooling includes other areas of the high pressure pump in the cooling.
  • the low-pressure space may be an inlet region of the high-pressure pump, which is thus likewise cooled. In this way it is ensured that the cryogenic fuel does not evaporate already on the way to the compression space.
  • the cold shut-off valve is arranged directly on the compression space.
  • the cooling flow can also be supplied only to the low-pressure space. This means that no cryogenic fuel enters the compression chamber during the cold run.
  • the compression chamber is therefore cooled exclusively indirectly.
  • the areas exposed to the cooling flow should be as close as possible to the compression space for effective indirect cooling.
  • the high-pressure pump is preferably arranged outside the tank. This means that the high-pressure pump does not experience any cooling through the tank.
  • the cooling is instead effected via the cooling flow, which is supplied during the cold run of the high-pressure pump via the open cold running valve.
  • the prefeed pump is preferably arranged in the tank, so that short line paths can be realized.
  • a supply line is provided, via which the low-pressure space of the high-pressure pump is connected to the tank and / or to the prefeed pump, which is preferably arranged in the tank.
  • the cooling flow is thus supplied via the inlet of the high-pressure pump. At the same time, the feed is cooled.
  • the cold-shut valve is connected via a return line to the tank.
  • the amount of fuel required for cooling can thus be fed back into the tank via the cold-shut valve and the return line. This means that a cooling circuit is created, which ensures that the amount of fuel required for cooling the system is not lost.
  • the return line preferably opens into a region of the tank in which the cryogenic fuel is present as a gas phase.
  • the amount of fuel used for cooling is therefore returned to a gas phase region of the tank. Since the cooling amount absorbs heat during cooling of the high-pressure pump and enters it into the tank, heating of the liquid phase can be counteracted by introducing the heated cooling quantity into the gas phase.
  • the low-pressure space of the high-pressure pump can be connected to the compression space via a suction valve.
  • the cooling flow can thus be performed with the suction valve open via the low pressure chamber in the compression chamber.
  • the cold-driving valve can be an electrically or electromagnetically operable valve which can be activated actively.
  • the cold travel valve may be a pressure-controlled valve, which is switchable by a change, preferably increase, the prefeed pressure.
  • An increase in the prefeed pressure can be achieved, for example, by a increase in the speed of the feed pump can be achieved.
  • the cryogenic fuel is supplied by means of a prefeed pump from a tank for storing the cryogenic fuel of a high-pressure pump.
  • the high-pressure pump is purged with cryogenic fuel from the tank before the start of delivery and at the same time cooled. This means that a cooling of the high-pressure pump can be achieved in a simple manner, which enables efficient cooling, in particular after a longer service life and heating of the high-pressure pump.
  • the cooling takes place before the high-pressure pump is put into operation, that is to say in a cold-running operation of the fuel delivery device, so that a filling of the high-pressure pump with liquid fuel is ensured by receiving the delivery operation of the high-pressure pump. Because of the cooling, any gas content is reduced to a minimum. As a result, an increase in the efficiency of the fuel delivery device can be achieved.
  • the high-pressure pump used in the method according to the invention can be arranged outside the tank for the storage of the cryogenic fuel due to the cooling caused by flushing with cryogenic fuel. In this way, the design effort for implementing the fuel delivery device can be reduced. Furthermore, a separate cooling device arranged on the high-pressure pump can be dispensed with.
  • a cold-running valve which is preferably integrated in the high-pressure pump and furthermore preferably in a pump head of the high-pressure pump, by means of which a connection of a compression space and / or a low-pressure der horrraums the high-pressure pump with the tank can be produced. Since a return line is usually already present, only a cold running valve is required as an additional component for cooling the high-pressure pump, so that the design effort for performing the method is low. If the cold running valve is integrated into the high pressure pump, the space requirement of the fuel delivery device remains unchanged.
  • the prefeed pump is put into operation, by means of which cryogenic fuel is sucked from the tank and fed via a supply line of the high-pressure pump.
  • the cold running operation of the fuel delivery device can therefore already be realized by commissioning the prefeed pump.
  • the cold shut-off valve is switched over the prefeed pressure of the pre-feed pump.
  • a simple pressure-controlled valve is used as a cold-shut-off valve, which is also easy to integrate into the pump head.
  • the prefeed pressure of the prefeed pump is preferably raised, for example to 10 bar.
  • the speed of the prefeed pump can be increased.
  • the cold-shut valve can also be actuated electrically or electromagnetically.
  • the cold shut-off valve can be actively activated.
  • FIG. 1 shows a schematic longitudinal section through a fuel delivery device according to the invention according to a first preferred embodiment
  • FIG. 1 is an enlarged detail of FIG. 1,
  • Fig. 3 is a schematic longitudinal section through a high-pressure pump of a fuel delivery device according to the invention according to a second preferred embodiment and 4 shows a schematic longitudinal section through a high-pressure pump of a fuel delivery device according to the invention in accordance with a third preferred embodiment.
  • the fuel delivery device according to the invention shown in FIG. 1 comprises a prefeed pump 1 and a high-pressure pump 2, wherein in the present case the prefeed pump 1 is arranged in the bottom region of a tank 8 for storing a cryogenic fuel. There is a liquid phase 13 of the fuel, which is covered by a gas phase 11 of the fuel.
  • the arrangement of the prefeed pump 1 in the tank 8 has the advantage that for connecting the prefeed pump 1 with the high-pressure pump 2, only one feed line 9 has to be led out of the tank 8.
  • the prefeed pump 1 can be designed in particular as a side channel or centrifugal pump.
  • the high pressure pump 2 of the fuel delivery device shown is designed as a stamped pump. It has a pump head 3, in which a compression space 4 is formed, which is bounded by a reciprocating piston 5.
  • the compression chamber 4 can be filled via a suction valve 12 with fuel from a low-pressure chamber 7, which is upstream of the compression chamber 4.
  • the low-pressure chamber 7 is supplied via the prefeed pump 1 with fuel from the tank 8.
  • the feed line 9 opens into the low-pressure space 7.
  • the fuel compressed in the compression space 4 is then fed via an outlet valve 15 to a high-pressure passage 14 (see FIG. 2).
  • a return line 10 is provided, via which the compression chamber 4 with the tank 8 is connectable.
  • the connection can be made via a cold-start valve 6, which is integrated in the pump head 3 of the high-pressure pump 2 and is arranged directly next to the compression space 4.
  • the high-pressure pump 2 can be flushed with cryogenic fuel. Rinsing takes place in a cold run By flushing with cryogenic or ancekaltem fuel cooling of the high-pressure pump 2 is reached, so that at the start of delivery, a filling of the compression chamber 4 is ensured with liquid fuel.
  • the fuel When purging, the fuel is circulated by means of the feed pump 1. About the prefeed pump 1, the fuel is sucked from the tank 8 and fed via the feed line 9 to the low-pressure chamber 7. About the open suction valve 12, the fuel enters the compression chamber 4 and from there via the open cold shuttle valve 6 and the return line 10 back into the tank 8. The return line 10 opens in the gas phase 11 in the tank 8 to the heating of the liquid phase fourteenth to be kept as low as possible.
  • FIG. 3 shows a modified high-pressure pump 2 for a fuel delivery device according to the invention.
  • the purge circuit for cooling the high-pressure pump 2 does not lead in this embodiment via the compression chamber 4, but via the low-pressure chamber 7.
  • the return line 10 also forms at least one loop 16, via which the cooling flow can be brought close to the compression chamber 4, so that this is cooled indirectly.
  • This embodiment has the advantage that the compression space 4 is not extended by an additional dead volume.
  • FIGS. 1 to 3 each show a cold-driving valve 6 which can be actuated electrically or electromagnetically.
  • the cold-driving valve 6 can also be a simple pressure-controlled valve. To open the valve, the prefeed pressure of the prefeed pump 1 is briefly raised. Since no electrical or electromagnetic components introduce heat into the pump head, the cooling of the pump head can be further optimized.
  • the embodiment shown in FIGS. 1 and 2 can likewise be realized with a pressure-controlled cold-running valve.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Reciprocating Pumps (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

L'invention concerne un dispositif d'alimentation en carburant pour des carburants cryogéniques, comprenant une pompe de pré-alimentation (1) et une pompe haute pression (2). La pompe haute pression (2) comporte une tête (3) de pompe, dans laquelle est réalisé un espace de compression (4), qui est délimité par un piston (5) effectuant des mouvements de va-et-vient. Selon l'invention, une soupape d'amorçage à froid (6) est intégrée dans la pompe haute pression (2), de préférence dans la tête (3) de pompe de la pompe haute pression (2) et permet de relier l'espace de compression (4) et/ou un espace basse pression (7) de la pompe haute pression (2) à un réservoir (8) servant au stockage du carburant cryogénique. L'invention concerne en outre un procédé servant à faire fonctionner un dispositif d'alimentation en carburant pour des carburants cryogéniques.
PCT/EP2018/077975 2017-11-07 2018-10-15 Dispositif d'alimentation en carburant pour des carburants cryogéniques, procédé servant à faire fonctionner un dispositif d'alimentation en carburant pour des carburants cryogéniques Ceased WO2019091702A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017219784.6A DE102017219784A1 (de) 2017-11-07 2017-11-07 Kraftstofffördereinrichtung für kryogene Kraftstoffe, Verfahren zum Betreiben einer Kraftstofffördereinrichtung für kryogene Kraftstoffe
DE102017219784.6 2017-11-07

Publications (1)

Publication Number Publication Date
WO2019091702A1 true WO2019091702A1 (fr) 2019-05-16

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PCT/EP2018/077975 Ceased WO2019091702A1 (fr) 2017-11-07 2018-10-15 Dispositif d'alimentation en carburant pour des carburants cryogéniques, procédé servant à faire fonctionner un dispositif d'alimentation en carburant pour des carburants cryogéniques

Country Status (2)

Country Link
DE (1) DE102017219784A1 (fr)
WO (1) WO2019091702A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113874617A (zh) * 2019-05-26 2021-12-31 罗伯特·博世有限公司 用于运行燃料系统的方法、预输送泵和燃料系统
US20240240757A1 (en) * 2023-01-13 2024-07-18 Magna Steyr Fahrzeugtechnik Gmbh & Co Kg Cryogenic storage system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018203697A1 (de) 2018-03-12 2019-09-12 Robert Bosch Gmbh Kraftstofffördereinrichtung für kryogene Kraftstoffe
DE102018206334A1 (de) 2018-04-25 2019-10-31 Robert Bosch Gmbh Kraftstofffördereinrichtung für kryogene Kraftstoffe
DE102018211924A1 (de) 2018-07-18 2020-01-23 Robert Bosch Gmbh Kraftstofffördereinrichtung für kryogene Kraftstoffe

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3741145A1 (de) * 1987-12-04 1989-06-15 Deutsche Forsch Luft Raumfahrt Aufbereitungssystem fuer fluessigwasserstoff
US5127230A (en) * 1991-05-17 1992-07-07 Minnesota Valley Engineering, Inc. LNG delivery system for gas powered vehicles
EP2784295A1 (fr) * 2013-03-28 2014-10-01 Hyundai Heavy Industries Co., Ltd. Système d'alimentation en carburant de gaz naturel liquéfié et son procédé de fonctionnement
DE102014000170B3 (de) * 2014-01-02 2015-04-02 L'orange Gmbh Flüssiggas (LPG)-Kraftstoffsystem
US20160222961A1 (en) * 2015-01-30 2016-08-04 Caterpillar Inc. Barrel assembly for a pumping mechanism
DE102016014928A1 (de) 2016-12-15 2017-07-20 Daimler Ag Kraftstoffsystem mit einem Tank zum Speichern von Flüssiggas als Kraftstoff

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3741145A1 (de) * 1987-12-04 1989-06-15 Deutsche Forsch Luft Raumfahrt Aufbereitungssystem fuer fluessigwasserstoff
US5127230A (en) * 1991-05-17 1992-07-07 Minnesota Valley Engineering, Inc. LNG delivery system for gas powered vehicles
EP2784295A1 (fr) * 2013-03-28 2014-10-01 Hyundai Heavy Industries Co., Ltd. Système d'alimentation en carburant de gaz naturel liquéfié et son procédé de fonctionnement
DE102014000170B3 (de) * 2014-01-02 2015-04-02 L'orange Gmbh Flüssiggas (LPG)-Kraftstoffsystem
US20160222961A1 (en) * 2015-01-30 2016-08-04 Caterpillar Inc. Barrel assembly for a pumping mechanism
DE102016014928A1 (de) 2016-12-15 2017-07-20 Daimler Ag Kraftstoffsystem mit einem Tank zum Speichern von Flüssiggas als Kraftstoff

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113874617A (zh) * 2019-05-26 2021-12-31 罗伯特·博世有限公司 用于运行燃料系统的方法、预输送泵和燃料系统
US20240240757A1 (en) * 2023-01-13 2024-07-18 Magna Steyr Fahrzeugtechnik Gmbh & Co Kg Cryogenic storage system
US12331890B2 (en) * 2023-01-13 2025-06-17 Magna Steyr Fahrzeugtechnik Gmbh & Co Kg Cryogenic storage system

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