A container-type compressed air storage power generation device (2) comprises compressors (5a-5c); a tank (8); power generators (9a-9c); a control device (12); and a container (4). The compressors (5a-5c) compress air. The tank (8) is driven by air supplied from the compressors (5a-5c). The power generators (9a-9c) are driven by air supplied from the tank (8). The control device drives and controls the compressors (5a-5c) and the power generators (9a-9c). The container (4) houses the compressors (5a-5c) and the power generators (9a-9c), and the tank (8) is disposed outside the container (4). Therefore, the container-type compressed air storage power generation device (2) is easy to transport and construct on-site.

The invention relates to a HRS for filling a vessel of a vehicle with hydrogen, the HRS 1 comprising: a basic process control system comprising a process controller, a plurality of process measuring devices, a plurality of final process elements and a plurality of associated basic process control functions facilitating monitoring and controlling the operation of the HRS, wherein the HRS further comprises a safety instrumented system comprising a safety controller, a plurality of safety measuring devices, a plurality of final safety elements a plurality of associated safety instrumented functions, wherein at least one of the final process elements and the final safety elements facilitates tripping the operation of the HRS under the control of the associated process controller or the associated safety controller respectively.

A mobile compressed natural gas (CNG) vessel and unloader are used to supply CNG to a compressor during regulatory emissions testing of the compressor (e.g., U.S. EPA's Quad J testing). CNG output by the compressor is recirculated to an inlet of the unloader so that it is reused during the emissions testing. Lean CNG from the vessel may be used to power the compressor during the testing. The unloader ensures that the compressor is run at at least a predetermined load factor during the emissions testing.

A method and system(s) are disclosed for integrating a new fuel into an operating transportation system in a continuous, seamless manner, such as diesel fuel being gradually replaced by compressed natural gas (“CNG”) in long haul trucks. Integration can be implemented using two enabling technologies. The first is an engine system capable of operating seamlessly on two or more fuels without regard to the ignition characteristics of the fuels. The second is a communications and computing system for implementing a fueling strategy that optimizes fuel consumption, guides the selection of fuel based upon location, cost and emissions and allows the transition from one fuel to another to appear substantially seamless to the truck driver.

A method and apparatus are provided for operating a refueling station including source tube-trailers and at least one compressor to reduce refueling cost. The refueling station includes a gaseous fuel supply source including a plurality of tanks on a tube trailer coupled to a first control unit, and high pressure buffer storage having predefined capacity coupled to a second control unit and the first tanks by a pressure control valve and the first control unit, and at least one compressor. The refueling station is operated at different modes depending on a state of the refueling station at the beginning of each operational mode. The refueling system is assessed at the end of each operational mode to identify the state of the system and select a next mode of operation. The operational modes include consolidating hydrogen, or any gaseous fuel, within the tubes mounted on the trailer.

Hydrogen is produced by electrolysis of water using electricity generated from a renewable energy source such as wind and/or solar radiation, compressed in a multistage compression system and consumed in at least one downstream process. Supply of hydrogen to the downstream process(es) fluctuates with demand and/or the availability of the renewable energy source. In order to accommodate such fluctuations, excess hydrogen is stored during periods when production of hydrogen exceeds that required by the downstream process(es) so that, during periods when demand exceeds production, hydrogen is removed from storage and, after suitable pressure reduction, fed to the downstream process(es) via a stage of the multistage compression system.

A compressed gas delivery system includes a control system and at least one compressor fluidly connected to the control system for providing a compressed gas to the control system. The system also has a backpressure apparatus that is fluidly connected between the at least one compressor and the control system. The backpressure apparatus conveys a portion of the compressed gas to the control system. The compressed gas delivery system also includes a bypass conduit that is fluidly connected between the at least one compressor and the backpressure apparatus. The bypass conduit conveys a portion of the compressed gas through the flow limiting distributor directly to one or more vehicles during a dispensing operation.

A home-based, low-cost, self-contained, fast-fill natural gas refueling station for providing compress natural gas (CNG) fuel for motor vehicles. The station compresses utility supplied natural gas and stores the CNG in a CNG storage facility located inside the station. In preferred embodiments the refueling station is located adjacent to a driveway at a home. The compressor preferably is a multi-stage gas compressor having at least three stages of compression. Applicant estimates that savings based today prices for CNG as compared to gasoline, a typical family with only one car could pay for the station in three years. If the family has several cars the station could pay for itself much earlier.

A method for storage and transport of LPG on LPG carriers, in particular two cargoes of different LPG types on same shipment, having reliquefaction units in which vaporized gases are condensed and then returned into at least one cargo tank for the respective LPG cargo type. The method is further comprising: using the reliquefaction units, at a minimum one running, as to condense vapour from the first cargo type; passing the condensed vapour through a heat exchanger; simultaneously flowing vapour from the second cargo type through the heat exchanger as to condense vapour by means of heat exchanging with the condensed vapour; and returning the condensed vapours leaving the heat exchanger back into the respective cargo types. The present invention is also disclosing a system for storage and transport of LPG on LPG carriers.

A floating type LNG station floats on the sea and is used for refueling a ship or a marine structure using LNG. The floating LNG station comprises: a floating structure; an LNG tank which is prepared for storing LNG in the floating structure; an LNG line for discharging the LNG from the LNG tank to the ship or the marine structure; and an LNG pump which provides the LNG line with pumping force for discharging the LNG.