Abstract: A refrigeration plant including: a first enclosure containing water in the liquid state at a temperature lower than or equal to the temperature of the triple point of water or higher than the temperature of the triple point of water by less than 10° C., and water in the gaseous state at a first pressure equal to the saturated vapor pressure of the water in equilibrium with the pressure of the water in the liquid state; a second enclosure at a second pressure strictly higher than the first pressure by a factor of at least two; a compression device connecting the first enclosure to the second enclosure; a condensing device adapted to condense the water in the gaseous state in the second enclosure into water in the liquid state; and a cold power extraction device for extracting cold power in the first enclosure.

Abstract: A refrigeration plant including: a first enclosure containing water in the liquid state at a temperature lower than or equal to the temperature of the triple point of water or higher than the temperature of the triple point of water by less than 10° C., and water in the gaseous state at a first pressure equal to the saturated vapor pressure of the water in equilibrium with the pressure of the water in the liquid state; a second enclosure at a second pressure strictly higher than the first pressure by a factor of at least two; a compression device connecting the first enclosure to the second enclosure; a condensing device adapted to condense the water in the gaseous state in the second enclosure into water in the liquid state; and a cold power extraction device for extracting cold power in the first enclosure.

Abstract: Device for filling a container with a gas under pressure, especially hydrogen in a tank of a vehicle, comprising at least one source (1, 2, 3, 6) of gas pressurized to a first pressure, called high pressure, a transfer circuit (201, 36, 13, 14, 136, 146) capable of selectively connecting the source or sources (1, 2, 3, 6) of pressurized gas to the tank to be filled, the transfer circuit comprising control members (204, 132, 142) for controlling the flow of the gas from the source or sources (1, 2, 3, 6) to the tank, the transfer circuit further including at least one cooling exchanger (9), for cooling the pressurized gas, wherein the cooling exchanger (9) comprises a hot flow circuit (99) for the pressurized gas to be cooled, a cold flow circuit (98) for a cold cooling fluid, and a refrigeration hold-over medium (5), the refrigeration hold-over medium (5) being in direct heat exchange, on the one hand, with the cold fluid of the cold circuit (98) and, on the other hand, with the pressurized gas to be cooled o

Abstract: Device for filling a container with a gas under pressure, especially hydrogen in a tank of a vehicle, comprising at least one source (1, 2, 3, 6) of gas pressurized to a first pressure, called high pressure, a transfer circuit (201, 36, 13, 14, 136, 146) capable of selectively connecting the source or sources (1, 2, 3, 6) of pressurized gas to the tank to be filled, the transfer circuit comprising control members (204, 132, 142) for controlling the flow of the gas from the source or sources (1, 2, 3, 6) to the tank, the transfer circuit further including at least one cooling exchanger (9), for cooling the pressurized gas, wherein the cooling exchanger (9) comprises a hot flow circuit (99) for the pressurized gas to be cooled, a cold flow circuit (98) for a cold cooling fluid, and a refrigeration hold-over medium (5), the refrigeration hold-over medium (5) being in direct heat exchange, on the one hand, with the cold fluid of the cold circuit (98) and, on the other hand, with the pressurized gas to be cooled o

Abstract: Device for filling a container with a gas under pressure comprising at least one source of gas pressurized to a first pressure, a transfer circuit capable of selectively connecting the source or sources of pressurized gas to the tank to be filled, the transfer circuit comprising control members for controlling the flow of the gas from the source or sources to the tank, the transfer circuit further including at least one cooling exchanger for cooling the pressurized gas comprising a hot flow circuit for the pressurized gas to be cooled, a cold flow circuit for a cold cooling fluid, and a refrigeration hold-over medium being in direct heat exchange with the cold fluid of the cold circuit and with the pressurized gas to be cooled of the hot circuit, in order to selectively carry out indirect heat exchange between the pressurized gas and the cold fluid, wherein the refrigeration hold-over medium forms and fills a gap between the cold fluid of the cold circuit and the pressurized gas of the hot circuit, the gap ha

Abstract: A method for filling a gas tank at a pressure P2 from at least one gas source at a pressure Pi, P1 being higher than V2, said container and said at least one gas source being connected by a duct allowing the passage of gas from one to the other, the filing being carried out at a flow rate which is, at the end of the filling, lower than the initial flow rate, wherein said method comprises several successive filling steps 1 to i, each of the steps being carried out with a filling flow rate D1 to Di for a time t1 to ti, i being an integer higher than or equal to 2, the flow rate of a step i-1 being higher than the flow rate of the step i,; characterized in that the successive filling steps 1 to i are adapted for producing a controlled heating of the container that maximizes the heat dispersal in said container without increasing the temperature inside the container beyond the maximum accepted temperature for the container, and in that the sum of ti is between 1 and 7 minutes, preferably between 1 min 30 sec and

Abstract: The invention relates to a method for filling a gas tank at a pressure P2 from at least one gas source at a pressure Pi, P1 being higher than V2, said container and said at least one gas source being connected by a duct allowing the passage of gas from one to the other, the filing being carried out at a flow rate which is, at the end of the filling, lower than the initial flow rate, wherein said method comprises several successive filling steps 1 to i, each of the steps being carried out with a filling flow rate D1 to Di for a time t1 to ti, i being an integer higher than or equal to 2, the flow rate of a step i-1 being higher than the flow rate of the step i,; characterized in that the successive filling steps 1 to i are adapted for producing a controlled heating of the container that maximizes the heat dispersal in said container without increasing the temperature inside the container beyond the maximum accepted temperature for the container, and in that the sum of ti is between 1 and 7 minutes, preferably

Abstract: Device for filling a container with a gas under pressure, especially hydrogen in a tank of a vehicle, comprising at least one source (1, 2, 3, 6) of gas pressurized to a first pressure, called high pressure, a transfer circuit (201, 36, 13, 14, 136, 146) capable of selectively connecting the source or sources (1, 2, 3, 6) of pressurized gas to the tank to be filled, the transfer circuit comprising control members (204, 132, 142) for controlling the flow of the gas from the source or sources (1, 2, 3, 6) to the tank, the transfer circuit further including at least one cooling exchanger (9), for cooling the pressurized gas, wherein the cooling exchanger (9) comprises a hot flow circuit (99) for the pressurized gas to be cooled, a cold flow circuit (98) for a cold cooling fluid, and a refrigeration hold-over medium (5), the refrigeration hold-over medium (5) being in direct heat exchange, on the one hand, with the cold fluid of the cold circuit (98) and, on the other hand, with the pressurized gas to be cooled o