Engine Fuctions TRIZ Cases

Inverting resin slide bearing position from gear to pin dissipates friction heat, reducing thermal expansion differences and preventing seizing damage.

A seal assembly uses a friction-fit locking portion to secure around a wall pass-through member without mechanical fasteners.

A steam turbine pre-warming method uses latent heat to transfer thermal energy efficiently.

A split cover plate assembly manages thermal loads on a turbine disc using segmented components and coolant transfer holes.

Interchangeable attachments stabilize turbomachines during transit, resolving support reliability issues on uneven surfaces.

A valved airflow passage assembly routes compressed air from downstream to upstream of a compressor section.

Asymmetric protrusion alignment reduces thermal stress on gas turbine stator vane segments.

A wind turbine rotor blade deflection section enlarges its internal cross-sectional area to guide heated air toward the tip.

Segmented hub design directs impingement airflow against internal surfaces to cool the mid-disk throat region and reduce thermal gradients.

A perforated fan ramp with a honeycomb core layer reflects acoustic waves out of phase to reduce propulsion system noise during thrust reversing operations.

Merges the auxiliary power unit into the waste heat recovery system using a supercritical carbon dioxide cycle to reduce fuel consumption.

Bolted annular shells attach blade rows to composite drums, resolving assembly time versus weight trade-offs.

Radial actuators position steam turbine casings axially, eliminating the need for high-resolution central mechanisms.

A control method infers syngas heating value from feed rates to adjust gas turbine combustion parameters.

A turbine blade fir tree root features a leading-edge air intake occupying at least 50% of the base projection face to supply internal cooling passages.

A steam turbine bucket shim and retention member secure the dovetail base, reducing wear on components during low-speed operation.

Angular nozzle sectors fix to an annular collar via radial tabs and L-shaped pads, eliminating complex labyrinth seals to reduce air leaks.

Thermal fuse opens bypass air cooling path across second skin, preventing pressure resisting wall failure during fire without adding parasitic weight.

Axial shaft movement transitions the rotor between operational and service positions, resolving fluid leakage versus maintenance access trade-offs.

Variable-width splice segments reduce acoustic scattering in gas turbine liners while maintaining structural integrity.

A monolithic turbomachine bearing support integrates inner and outer walls with air exhaust and oil drainage ducts via additive manufacturing.

A gas turbine fuel control system uses an optimizer to adjust variable geometry set points, compensating for health degradation and inter-engine variations.

Segmented C-shaped elastic locks engage ring sector ends, reducing stress concentration from thermal expansion and extending lock service life.

Additive manufacturing creates integral turbine casings that mitigate deformation and enhance efficiency by eliminating separable flanges.

Inverted L connection pipes supply water to generating tubes, stabilizing power output against seasonal flow variations.

Arrays of blowing and suction holes on a wind turbine blade delay boundary layer separation, reducing cut-in speed below 3 m/s.

Segmented buoy array uses vertical guides and tethering to harvest energy while maintaining stability in deep water.

A fuel metering circuit determines fluid density using a diaphragm and volume flow meter, compensating for variability to reduce mass flow rate inaccuracy.

Epicyclic gear unit decouples booster compressor speed from fan rotation, reducing low pressure shaft torque load while maintaining high compression ratio.

A sealing assembly uses a cover plate to guide airstream direction and reduce the axial gap in gas turbine engine cavities.

Replacing mechanical drag links with hydraulic actuators eliminates airflow interference, reducing drag and ensuring uniform blocker door deployment.

A gearbox handling assembly positions the drive unit between operational and decoupled states using a dedicated support frame.

Segmented seal runner with nested cooling channels prevents leakage during high-speed motoring by managing heat internally.

Injecting lower-exergy fluid into turbine labyrinths reduces leakage losses in organic Rankine cycle systems.

Segmented lead-through tightening support reduces torsion load, enabling closer inter-turbine housing placement without restricting gas flow rate.

Segmenting the pump and motor chambers with a drainage channel directs hot fluid away from the bearing assembly, preventing thermal degradation of lubricants.

Radially offset legs redirect coolant flow through a turn to reuse fluid, maximizing heat capacity utilization and reducing waste in gas turbine blades.

An ejector mixes compressor discharge air and ambient air to create a controlled mixed flow for the inlet bleed heat manifold.

An auxiliary generator disconnects from the low-pressure spool via a controller, reducing weight and fuel consumption compared to heavy gearbox arrangements.

An auxiliary converter supplies low voltage current to a wind turbine generator to produce torque for rotating an unbalanced hub during blade installation.

Flexible fins harness fluid kinetic energy to drive a circulatory pump system for electricity generation or mechanical work.

A control system adjusts the load split ratio between multiple gas turbines to optimize fuel consumption.

Segmented cooling passages direct medium through hollow blade portions and outer shroud flanges, reducing temperature without increasing supply.

Inserts hold blade positions while the disc detaches from downstream wheels, enabling rapid holding ring replacement without full assembly removal.

Segmented hydraulic circuit protects pumps from saltwater corrosion while electromagnetic induction converts wave motion into usable electricity.

Segmented sleigh platforms pre-assemble heating elements to reduce installation time in confined blade spaces.

Indicator material in abrasive coating allows non-destructive thickness detection, preventing unnecessary refurbishment.