A gas displacement assembly includes a storage container, a pump that pumps a pressurized gas material into the storage container, a cooling chamber that houses a coolant and cools the gas material to a cryogenic temperature, and a coolant line that transports coolant through the cooling chamber to cool the gas material.

Systems and methods related to loading and unloading stations for simultaneous unloading of a first fluid from at least one storage tank in a vessel and loading of a second fluid into a storage tank of the same vessel are provided. In at least one aspect, a loading and unloading station includes a first connector for fluid connection to a storage tank of the vessel for unloading the first fluid, and a source of the second fluid. The station also includes a second connector for fluidly connecting the source of the second fluid with a storage tank of the vessel for loading the second fluid. The station further includes a first thermal linkage between the first fluid being unloaded and the second fluid being loaded that facilitates heat transfer between the first fluid and the second fluid at the loading and unloading station.

A dewar vessel storage apparatus configured to hold at least two dewar vessels containing liquefied gas or cryo-compressed gas, comprising; a box having an outer, thermally insulating, wall; the box comprising a plurality of insulating cavities, each cavity configured to receive a single dewar vessel and is thermally insulated from each other cavity; a thermally insulating closure arrangement configured to close an open end of each cavity; a ventilation assembly comprising at least one conduit within the box configured to provide for venting of gas released from the dewar vessels when stored in the respective cavities of the box, the ventilation assembly configured to provide a gas outlet flow path from each cavity.

A combustible gas supply unit includes a high pressure gas facility for handling combustible gas which is compressed and a housing provided with a high pressure gas handling area containing the high pressure gas facility. The housing has a portion that is disposed in a side close to a boundary between premises of a hydrogen station and an outer region of the premises and constitutes the high pressure gas handling area, the portion being substantially composed of a partitioning wall member that resists an impact of an explosion of combustible gas.

The invention discloses a liquid oxygen storage tank, which includes an outer tank body, a buffer cavity is provided in the outer tank body, and an insulation tank with an upper end extending outside the buffer cavity is provided in the buffer cavity, and the buffer chamber is provided in the buffer tank. There is a buffer mechanism for reducing the impact force of the tank body. The thermal insulation tank is internally provided with an internal tank body, the internal tank body is provided with a storage cavity, and the upper end of the thermal insulation tank is provided with a control cavity. A driving block is arranged in the cavity. The invention adopts a high-vacuum multi-layer thermal insulation technology to prolong the number of days for holding liquid oxygen, and a heat preservation mechanism makes the storage time of liquid oxygen longer, and it is safer and more convenient to operate. If it is too high, it will start automatically and discharge excess gas to enhance the safety of use. Protect the container from damage. Ordinary personnel can rest assured to use it without the guidance of professionals.

A hydrogen refueling system including a hydrogen center enclosure fluidly connected to a dispenser by a supply pipe, a first portion of the supply pipe disposed within the hydrogen center enclosure and a second portion of the supply pipe extending between the hydrogen center enclosure and the dispenser, a cooling system having a first cooling circuit for cooling the supply pipe and a second cooling circuit for cooling the second portion of the supply pipe, and a controller, where the second cooling circuit has a return path fluidly connected to a forward path, where the second cooling circuit is thermally connected to the second portion of the supply pipe, and the controller initiates cooling of the supply line by the forward path or return path of the second cooling circuit when the temperature of the supply line is higher than a threshold value.

A transport refrigeration system (200) comprising: a vehicle (102) having a refrigerated cargo space (119); a refrigeration unit (22) in operative association with the refrigerated cargo space, the refrigeration unit providing conditioned air to the refrigerated cargo space; a first engine (26) configured to power the refrigeration unit; a plurality of first fuel tanks (330) fluidly connected to the first engine, the plurality of first fuel tanks configured to supply fuel to the first engine, wherein each of the plurality of first fuel tanks includes a lock off valve (450) and a pressure sensor (470) configured to detect a pressure level within each of the first fuel tanks; and one or more engine controllers (54) in electronic communication with each pressure sensor and lock off valve, the one or more engine controllers being configured to adjust at least one of the lock off valves in response to a pressure level detected by at least one of the pressure sensors.

A gas supply device includes a storage container that accumulates liquefied gas, a vaporizer for vaporizing liquefied gas derived from the storage container, a compression device that compresses gas vaporized from the liquefied gas in the vaporizer, a pressure accumulator that accumulates gas compressed in the compression device, and a supply path linked to a dispenser from the pressure accumulator.

A gas supply systemincludes a compressor unit, an accumulator unit, a pre-cooling system and a housing. In the gas supply system, the compressor unit is vertically arranged and the pre-cooling system is arranged above the accumulator unit in the housing. The compressor unit and the accumulator unit are covered by one rectangular parallelepiped housing.

The present invention is to provide a hydrogen refueling system capable to cool down the H.sub.2 pre-cooling heat exchanger fast enough when a FCV enters the HRS, so that there is no or very minimal waiting time for the customer before starting refueling. A hydrogen refueling system includes a chiller including a cooling unit that cools a circulating refrigerant by a cooling medium, a dispenser that supplies H.sub.2 to a vehicle, including a heat exchanger that cools H.sub.2 with the circulating refrigerant provided from the chiller, a circulation line that circulates the circulating refrigerant between the cooling unit and the heat exchanger, a chiller compressor that is provided in the chiller; a cold generation valve that is provided close to an inlet of the heat exchanger in the circulation line.