The filling station (1) for means of transport (4) comprises: a supply (2) of a methane pipeline transporting gaseous methane; a liquefaction assembly (A) connected in a fluid-operated manner to the supply (2) and adapted to liquefy the gaseous methane conveyed by the methane pipeline to obtain liquid methane; at least one dispenser (3) of the liquid methane, which is connected in a fluid-operated manner to the liquefaction assembly (A) and is connectable in a removable manner to a means of transport (4) to supply the means of transport (4) with the liquid methane.

Certain embodiments of the invention relate to a facility for refrigerating hydrogen to cryogenic temperatures, and in particular for liquefying hydrogen, comprising a circuit for hydrogen to be refrigerated comprising an upstream end to be connected to a hydrogen source, and a downstream end connected to a refrigerated hydrogen collection member, the refrigeration facility comprising a set of one or more heat exchangers in thermal exchange with the circuit of hydrogen to be refrigerated, the facility comprising a device for refrigerating by heat exchange with the set of one or more heat exchangers, the refrigerating device comprising a refrigerator with a refrigeration cycle of a cycle gas such as hydrogen, at least one portion of the hydrogen circuit, of the set of one or more exchangers and of the refrigerating device being housed in a vacuum-insulated cold box, the facility comprising in the cold box, at least one ejector the suction inlet of which is connected to the gas phase of a fluid capacity and the motor fluid intake inlet of which is connected to at least one among: the pressurized cycle gas of the refrigerator, the hydrogen of the hydrogen circuit refrigerated in the set of one or more heat exchangers.

An expander and motor-compressor unit is disclosed. The unit includes a casing and an electric motor arranged in the casing. A compressor is arranged in the casing and drivingly coupled to the electric motor through a central shaft. Furthermore, a turbo-expander is arranged for rotation in the casing and is drivingly coupled to the electric motor and to the compressor through the central shaft.

A method for improving the efficiency of liquefied natural gas (LNG) liquefaction including receiving a gas feed stream at an LNG facility, condensing the gas feed stream into an LNG product stream, removing nitrogen from the LNG product stream via a nitrogen rejection unit coupled with the LNG facility to produce a final LNG product stream, analyzing one or more process samples taken throughout the liquefaction and nitrogen removal processes via mass spectrometry, and adjusting one or more aspects of the LNG processing system based on the analysis.

A system including: an active magnetic regenerative refrigerator apparatus that includes a high magnetic field section in which a hydrogen heat transfer fluid can flow from a cold side to a hot side through at least one magnetized bed of at least one magnetic refrigerant, and a low magnetic field or demagnetized section in which the hydrogen heat transfer fluid can flow from a hot side to a cold side through the demagnetized bed; a first conduit fluidly coupled between the cold side of the low magnetic field or demagnetized section and the cold side of the high magnetic field section; and a second conduit fluid coupled to the first conduit, an expander and at least one liquefied hydrogen storage module.

There is provided a system and method for producing liquefied natural gas (LNG). An exemplary method includes flowing a high-pressure stream of LNG through a first series of liquid turbines. The exemplary method also includes generating electricity by reducing the pressure of the high-pressure stream of LNG to form a low-pressure stream of LNG. The exemplary method additionally includes bypassing any one the liquid turbines that has a failure while continuing to produce electricity from the first series.

A first turboexpander generator is configured to decrease a temperature or pressure of a process stream flowing through the first turboexpander generator by generating electrical power from the process stream. A second turboexpander generator is configured to decrease a temperature or pressure of a process stream flowing through the second turboexpander generator by generating electrical power from the process stream. The second turboexpander generator is downstream of and receives a flow output from the first turboexpander generator. The first turboexpander generator and the second turboexpander generator each include the following features. An electric stator surrounds an electric rotor. An annulus defined by the electric rotor and the electric stator is configured to receive a process fluid flow. Magnetic bearings carry the rotor within the stator. A housing encloses the rotor and stator. The housing is hermetically sealed between an inlet and an outlet of each turboexpander generator.

Disclosed is a facility for the refrigeration and/or liquefaction of a fluid, comprising a circuit of fluid to be cooled comprising an upstream end intended to be connected to a source of fluid to be cooled and a downstream end intended to be connected to a member for collecting the cooled and/or liquefied fluid; the facility comprising an assembly of heat exchanger(s) in thermal exchange with the circuit of fluid to be cooled; the facility comprising a cooling device in thermal exchange with the assembly of heat exchange(s); the cooling device comprising a refrigerator with a refrigeration cycle for a cycle gas in a working circuit; the working circuit of the refrigerator comprising, a mechanism for compressing the cycle gas, a system for cooling the cycle gas, a mechanism for expanding the cycle gas and a system for heating the cycle gas; the mechanism for expanding the cycle gas comprising several turbines secured to shafts mounted so as to be able to rotate on aerostatic bearings; the facility comprising mechanisms for braking the turbines, the braking mechanisms each comprising a braking compressor secured to a shaft of a turbine and a braking gas circuit incorporating the braking compressor; the braking gas circuits comprising a system for cooling the braking gas downstream of the braking compressor and a mechanism for expanding the braking gas; the facility being equipped with a compressed lifting gas circuit comprising an end connected to a compressed lifting gas source and a downstream end connected to the bearings, and wherein the compressed lifting gas source comprises at least one of the braking circuits.

Refrigeration device intended to extract heat from at least one member by heat exchange with a working fluid circulating in the working circuit comprising in series: a fluid compression mechanism a fluid cooling mechanism, preferably isobaric or substantially isobaric, a fluid expansion mechanism, and a fluid heating mechanism, in which device the compression mechanism is of the centrifugal compression type and consists of two compression stages arranged in series in the circuit, the device comprising two respective electric drive motors driving the two compression stages, the expansion mechanism consisting of a turbine coupled to the motor of one of the compression stages, the turbine of the expansion mechanism being coupled to the drive motor of the first compression stage.

Refrigeration device intended to extract heat from at least one member by heat exchange with a working fluid circulating in the working circuit comprising in series: a fluid compression mechanism a fluid cooling mechanism, preferably isobaric or substantially isobaric, a fluid expansion mechanism, and a fluid heating mechanism, in which device the compression mechanism is of the centrifugal compression type and consists of two compression stages arranged in series in the circuit, the device comprising two respective electric drive motors driving the two compression stages, the expansion mechanism consisting of a turbine coupled to the motor of one of the compression stages, the turbine of the expansion mechanism being coupled to the drive motor of the first compression stage.