Liquid Handling Installations TRIZ Cases

See how a sub-cooler system uses dual-valve flow splitting and heat exchange to control cryogen

See how a sub-cooler with split flowlines and heat exchange reduces cryogenic fuel temperature

See how a ground-powered cooling system maintains aircraft cryogenic fuel tanks within a predef

See how a ground-based cooling system maintains cryogenic fuel tanks at stable temperatures dur

See how a shared hydrogen storage unit supplies both a fuel cell APU and primary power plant, r

A wireless deadman switch lets refueling crews move freely, adjust fuel flow stepwise, and stop fueling if the signal is lost.

An onboard hydrogen storage and off-board refueling layout lets fuel cells deliver both auxiliary and primary aircraft power more efficiently.

A reversible fuel cell and pump let aircraft refill hydrogen from water during stopovers while easing high-voltage conductor heat and sizing.

Itinerary and battery data are used to pair VTOL aircraft with robotic chargers, cutting charging delays and aircraft downtime.

Automatic robotic chargers pair with aircraft using itinerary and battery data to cut downtime while protecting battery health.

Transportable hydrogen modules with lightweight composite vessels and protective frames simplify vehicle refueling while improving storage safety.

Compression heating and heat exchange turn hydrogen refueling into a more stable aircraft storage process with less leakage and boil-off.

An onboard pump, filter, and deaeration setup lets aircraft hydraulic systems be tested and serviced without external ground carts.

An onboard pump, deaeration, and filtration setup lets aircraft hydraulic systems run maintenance tests without ground carts, cutting delays and cost.

UHMWPE self-sealing fabric plugs projectile holes in aircraft fuel tanks faster than rubber liners while cutting leakage and weight.

Fuel cells replace turbine-based auxiliary and primary aircraft power, using onboard hydrogen storage to improve efficiency and reduce system complexity.

An engage-disengage connector and spare module repository enable rapid aircraft energy module replacement with less ground time and disassembly.

A proximity-sensed brake interlock keeps refueling vehicles from moving until the bonding cable is detached and stowed.

Pre-produced, compressed hydrogen enables faster drone refilling while a modular electrolyzer, compressor, and liquefier setup improves field flexibility.

Autonomous UAV housing containers cut manual maintenance while adding secure, stackable storage with battery, fluid, and landing support.

Liquefy gaseous hydrogen on-site with a cryocooler and catalyst to avoid bulky transfer hardware and enable small-quantity vehicle refueling.

Itinerary-based robotic charging pairs VTOL aircraft with available chargers to cut downtime and maintain battery-safe charging conditions.

A docking probe and base station rapidly swap fresh and spent electrolyte, extending metal-air drone flight time without added onboard weight.

A docking probe swaps fresh and spent electrolyte in flight or brief landings, extending metal-air drone range without onboard reconditioning.

Replaceable hydrogen storage modules simplify transport and vehicle refueling while reducing infrastructure complexity, weight, and emissions.

A single multi-path connector transfers different aircraft fuels at once while preventing cross-flow and reducing coupling time.

Slotted clevises and a sliding pin replace complex gimbal rings to cut weight, reduce stress, and improve vibration isolation in fuel lines.

Route planning adds charging layovers and zone handoffs so aerial and ground mobility devices move smoothly through a smart building.

A single aircraft connector with isolated fluid paths transfers incompatible fuels faster while preventing cross-flow and reducing coupling complexity.

A molded poppet seal, horizontal reset, and travel stop help hydrant pit pilot valves resist delamination, debris buildup, and excess load.

A threaded compensator changes single-spring compression through the inlet, enabling fast valve pressure setting changes without disassembly.

Networked master, fleet, and platform controllers enable remote fuel system upgrades, data logging, and predictive maintenance with less downtime.

A movable connector port extends beyond the aircraft skin for easy hose hookup, then retracts to keep the panel opening small and aerodynamic.

Dynamic valve control uses electrostatic and fuel-level sensing to raise safe refuelling flow and cut delays from fixed limits.

Dual pressure sensors and solenoid valve feedback stabilize manifold pressure, reduce oscillations, and help prevent fluid surges.

A spring-biased internal shut-off closes the hydrant valve on coupler disconnection or impact, limiting fuel spills without manual action.

Ground-based location signals and scheduled re-energization waypoints help UAVs maintain accurate low-altitude guidance despite GNSS interference.

Transponder and GPS data let a mobile ground support unit identify aircraft automatically and apply the right servicing program with fewer errors.

Real-time electrostatic and tank-level feedback adjusts fuel flow to cut refuelling time without unnecessary safety limits.

A flow maximizer holds a hose end regulator valve open until set pressure, cutting premature closure and refueling time.

Real-time fuel property sensing and additive dosing stabilize aircraft refueling quality despite storage-related segregation, water uptake, and variability.

A dry-break adapter links overwing nozzles to underwing servicing ports for fuel recirculation while limiting splashing and vapor buildup.

Real-time density and flow measurement convert fuel volume to mass during transfer, improving preset shutoff accuracy and avoiding overfill.

A dual-tank hydrogen fuel layout uses boil-off recovery and engine waste heat to improve aircraft engine startup and restart reliability.

Flight-plan-based fuel scheduling balances fuel type, refueling availability, emissions compliance, and maximum landing weight in multi-fuel aircraft.

Preflight fuel scheduling balances hydrocarbon and non-hydrocarbon use to meet range, landing weight, emissions, and airport refueling limits.

Measured fuel mass and volume reveal calorific value, letting aircraft refuelling match flight energy needs while avoiding excess fuel weight.

Boil-off gas collected during aircraft gate inactivity is reliquified into liquid fuel, cutting cryogenic fuel loss and waste.

Captures fuel vapour escaping from aircraft wing openings using a sealed inlet and storage tank to cut airport VOC emissions.

Optical QR capture replaces tickets and wireless links to secure fluid transfer records while keeping metering data collection fast.

Optical fuel sensors detect water and particulates in real time, replacing delayed manual sampling with timely crew alerts.

An actuating arm and tapered inlet let UAVs refill fluid automatically despite 3D landing misalignment, reducing manual intervention.

Recirculating tank fuel through extraction and filtration removes contaminants before flight, reducing clogging, corrosion, and inspection time.