Engine Fuctions TRIZ Cases

A unified lock-out tag-out device secures the low-speed rotor lock using a handle, rod, and locking pin assembly.

Rotationally symmetric grooves capture water films on compressor walls, preventing erosion from large droplets while allowing increased water supply.

Segmented annular housing parts with differential stiffness absorb vibrations and transmit high torque, reducing casing volume.

Strategically positioned outlet apertures in a rotor blade tip shroud eject coolant along local combustion gas flow to minimize aerodynamic disturbances.

Slip and fixed joints attach segmented heat shields to turbine fairings, preventing vibration while allowing thermal expansion.

Segmenting power supply equipment into three modular transport units reduces installation time from months to days at fracturing sites.

Refractory metal cores replace ceramic inserts to create thin internal cooling passages in turbine blade tip shrouds, reducing weight and manufacturing cost.

A movable permanent magnet detects magnetizable contaminants in lubricant flow via displacement, reducing system complexity and cost.

A turbine stator vane cavity bleeds and reinjects main flow to improve circumferential mixing.

Positions the stator on the stationary structure and rotor on the rotating assembly to shrink overall engine size.

A shroud outlet path directs cooling fluid to the trailing edge, reducing mixing losses with tip leakage flow.

Intermediary heat shield blocks thermal conduction to the gearbox, eliminating active cooling systems and reducing engine weight.

Dual gear systems with selective coupling redirect thrust to optimize power availability for vertical movement while preventing bearing damage.

A wind turbine blade trailing edge features serrations with through-going apertures to reduce scattering noise.

A self-closing flap shut-off system aligns bidirectional air flow with an oscillating water column turbine rotor to optimize energy capture.

A strut support structure relocates the abutment shoulder radially inward of the cross pin to secure the annulus hub wall.

Link members dynamically couple aircraft engine accessories to redistribute vibrational loads, reducing structural stress on thin accessory gearbox covers.

Protruding fins on wind turbine cables induce air turbulence to remove heat during high ambient temperatures.

A hydrogen fuel preheater transfers heat from burner exhaust gases to cryogenic fuel using a dedicated heat exchanger.

An insert disc detail with a turned flange captures bolt torque to prevent cracking and tearing of the metallic foil layer at attachment holes.

Segmented composite disks on a rotating outer shaft reduce blade stress and air leakage.

A fuel metering device uses dual position sensors to calculate instantaneous flow rates and adjust setpoints for consistent power delivery.

A wind turbine gearbox emergency lubrication system uses a pressurized cavity to store lubricant and deliver it to bearings without active pumping.

Modulates airflow through variable geometry ducts to reduce excess air at high power, lowering specific fuel consumption.

Non-corrosive air-oil separator holder integrates relief valve to prevent moisture damage, eliminating external oil coolers and reducing system inertia.

Movable flaps in radial apertures admit reverse airflow to reduce recirculation without increasing engine mass.

A semi-permeable divider extracts air from oil mixtures to maintain lubrication effectiveness and reduce component temperatures.

Heat exchange device transfers thermal energy from fuel to air, resolving suboptimal combustion and inefficient heat management across operating points.

A reversible electric machine couples to a free turbine to generate electrical power from kinetic energy.

A wave power control system uses a flywheel to store rotational kinetic energy from irregular waves.

Segmented fan track liner with manifolded tip injection passages enhances stall margin while maintaining structural integrity in high-strain containment zones.

Large radius fillets increase film hole length-to-diameter ratios, resolving inadequate cooling in high temperature turbine components.

Segmented ceramic matrix composite shroud rings with impingement holes and local seals reduce air leakage while maintaining thermal stability.

Tangential restraints convert radial loads into membrane tension, reducing fan cowl deflection and enabling lighter construction.

Waste heat from the heat engine drives carbon dioxide separation and heats combustion air, reducing energy consumption in separation processes.

Inner end displacement accommodates thermal expansion while dual-end support reduces stress concentrations.

Segmented thrust reverser panels vent hot gases and drain fluids via pressure-driven movement, reducing component temperatures after engine shutdown.

A controllable air valve adjusts airflow through an air-oil heat exchanger to manage oil temperature in a gas turbine engine.

A non-uniform pin-fin array directs cooling flow axially through an internal airfoil passage to enhance heat transfer efficiency.

A turbine starter fastener integrates a removable disk cutter to remove unbalanced segments from the rotor assembly.

Removable bearing supports accommodate engine growth while maintaining shaft alignment and reducing wear.

Real-time airflow regulation via inlet valve control prevents bowed rotor vibrations and misalignment during engine restart.

Set screw with central drain hole fastens stator blade segment to root ring, enabling efficient condensate discharge while suppressing steam loss.

A hollow tubular retainer assembly secures gas turbine blades to the drive shaft disc.

Printed conductive ink patterns on flexible textiles absorb electromagnetic waves, eliminating heavy rigid materials and narrow bandwidth limitations.

Multi-row bolt connectors distribute compressive loads across the wind turbine blade root portion, reducing failure risks and extending service life.

A turbine rotor blade root integrates a deflection device to redirect sealing air from disc channels toward the blade root reception area.

Distance-based weighting merges multiple wind resource grids to eliminate abrupt boundary changes and improve measurement precision across complex sites.

Integrating cascade support into actuator flanges eliminates external rings, reducing nacelle drag and improving aerodynamic efficiency.

A turbine jumper tube directs cooling medium through a sealed gap between the tube and cavity wall to create an insulating layer.