Abstract

An exemplary flight storage system for storing a cryogenic fluid and then discharging it as a vapor. The flight storage system includes an inner tank, a heat exchanger that is in fluid communication with the inner tank, an outer jacket assembly, and a cooling assembly. The storage system is configured to store high specific energy fuel such as liquid hydrogen, or other cryogenic fluids, for energy for propulsion use. The cooling assembly is configured to use the flow of the liquid hydrogen for cooling critical sensor packages The outer jacket assembly includes a first jacket cylinder and a second jacket cylinder. The outer jacket assembly further includes a first connector body and a second connector body.

IPC Classes  ?

• F17C 3/08 - Vessels not under pressure with provision for thermal insulation by vacuum spaces, e.g. Dewar flask

Abstract

An exemplary flight storage system for storing a cryogenic fluid and then discharging it as a vapor. The flight storage system includes an inner tank, a heat exchanger that is in fluid communication with the inner tank, an outer jacket assembly, and a cooling assembly. The storage system is configured to store high specific energy fuel such as liquid hydrogen, or other cryogenic fluids, for energy for propulsion use. The cooling assembly is configured to use the flow of the liquid hydrogen for cooling critical sensor packages The outer jacket assembly includes a first jacket cylinder and a second jacket cylinder. The outer jacket assembly further includes a first connector body 30 and a second connector body.

IPC Classes  ?

• F17C 9/00 - Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure

Abstract

A refueling system may include an inlet tube that fluidly connects to a container containing gaseous hydrogen, a cryocooler including a cold tip and a cold head, the cold tip driven to a hydrogen liquefaction temperature by the cold head, a condensation chamber fluidly connected to the inlet tube to receive the gaseous hydrogen and thermally connected to the cryocooler cold tip, a catalyst disposed in the condensation chamber and that conducts ortho-to-para hydrogen conversion. The cryocooler cold tip absorbs a resulting exothermic reaction. The refueling system may also include a funnel fluidly connected to the condensation chamber and that receives liquid hydrogen from the condensation of the gaseous hydrogen, and a coupling mechanism fluidly connected to the funnel to receive the liquid hydrogen and having a nozzle downwardly movable to fluidly connect from above to an upwards facing tank inlet of a vehicle.

IPC Classes  ?

• F17C 5/04 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases for filling with liquefied gases requiring the use of refrigeration, e.g. filling with helium or hydrogen
• B60K 15/03 - Fuel tanks
• B64D 37/14 - Filling or emptying
• B64D 39/00 - Refuelling during flight
• B64F 1/28 - Liquid-handling installations specially adapted for fuelling stationary aircraft

Abstract

A system and method for the transfer of cryogenic fluid fuel includes a nozzle positionable with respect to fuel tank inlet, e.g., of an unmanned aerial vehicle (UAV), a seal to seal the area where the nozzle and inlet are connected, a collapsible and expandable bellows providing an isolation volume where the fluid is transferred from the nozzle into the inlet; a vacuum is provided in the volume to avoid accumulation of fuel or other species in the volume.

IPC Classes  ?

• B64D 39/06 - Connecting hose to aircraftDisconnecting hose therefrom
• F17C 5/02 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases for filling with liquefied gases
• B64D 37/14 - Filling or emptying
• F17C 5/00 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases
• B64F 1/28 - Liquid-handling installations specially adapted for fuelling stationary aircraft
• B64C 39/02 - Aircraft not otherwise provided for characterised by special use
• B60S 5/02 - Supplying fuel to vehiclesGeneral disposition of plant in filling stations
• B64D 41/00 - Power installations for auxiliary purposes

Abstract

A system and method for the transfer of cryogenic fluid fuel includes a nozzle positionable with respect to fuel tank inlet, e.g., of an unmanned aerial vehicle (UAV), a seal to seal the area where the nozzle and inlet are connected, a collapsible and expandable bellows providing an isolation volume where the fluid is transferred from the nozzle into the inlet; a vacuum is provided in the volume to avoid accumulation of fuel or other species in the volume.

IPC Classes  ?

• B64D 39/00 - Refuelling during flight
• F17C 5/02 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases for filling with liquefied gases
• B64D 39/06 - Connecting hose to aircraftDisconnecting hose therefrom
• F17C 5/00 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases
• B64D 37/14 - Filling or emptying
• B64F 1/28 - Liquid-handling installations specially adapted for fuelling stationary aircraft
• B64C 39/02 - Aircraft not otherwise provided for characterised by special use
• B60S 5/02 - Supplying fuel to vehiclesGeneral disposition of plant in filling stations
• B64D 41/00 - Power installations for auxiliary purposes

Abstract

A system and method for the transfer of cryogenic fluid fuel includes a nozzle positionable with respect to fuel tank inlet, e.g., of an unmanned aerial vehicle (UAV), a seal to seal the area where the nozzle and inlet are connected, a collapsible and expandable bellows providing an isolation volume where the fluid is transferred from the nozzle into the inlet; a vacuum is provided in the volume to avoid accumulation of fuel or other species in the volume.

IPC Classes  ?

• B64D 39/06 - Connecting hose to aircraftDisconnecting hose therefrom
• F17C 5/00 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases
• F17C 5/02 - Methods or apparatus for filling pressure vessels with liquefied, solidified, or compressed gases for filling with liquefied gases
• B64D 37/14 - Filling or emptying
• B64F 1/28 - Liquid-handling installations specially adapted for fuelling stationary aircraft
• B64C 39/02 - Aircraft not otherwise provided for characterised by special use
• B64D 41/00 - Power installations for auxiliary purposes