Engine Fuctions TRIZ Cases

A lightning protection system uses a gasifiable connecting member to eject a core and actuate a switch for fault detection.

Mold portions with recesses or projections enhance radiative heat loss to stabilize the thermal gradient during directional solidification.

Segmented impingement tubes cool turbine blades by directing distinct flows to leading and trailing edges, resolving high temperature inefficiencies.

A toothed segment coupled to a wind turbine brake disc enables precise rotor positioning via mechanical drive engagement.

Merges wind turbines and wave devices on a common tower structure to improve energy conversion rates while reducing generation costs.

Flexible mountings mechanically isolate an embedded electric machine from internal forces, extending its operational lifespan.

Porous trailing edge structures modify boundary layer turbulence to attenuate aerodynamic noise without increasing drag on wind turbine blades.

Segmented reinforcing elements reduce stress concentrations around fastening recesses while preserving maintenance access space.

A transient event-based control algorithm adjusts gas fuel splits immediately to prevent combustion dynamics.

Segmented cooling passageways reduce trailing edge temperature without sacrificing stage efficiency.

Dividing the wind turbine nacelle into separate modules allows transport on standard vehicles while enabling pre-tested connections at the erection site.

Movable cowlings shift between static and dynamic configurations to reduce pressure drop and prevent hot gas re-ingestion during forward flight.

Time domain reflectometry evaluates electrical impedance changes in equipotential connectors to locate damage without on-site inspections.

Ferrules route cooling air directly to disk coupling portions, preventing hot stream mixing and reducing rotor weight.

A method outlines the boundary of a gas turbine vane throat area and sums discrete sections to determine the precise geometric value.

An integral flexible bearing support reduces gear and bearing stresses by allowing controlled deflection under operational loads, balancing structural strength.

Epicyclic gearing employs barrel rollers to balance load distribution, reducing bending moments and weight in aeronautical engines.

Removable pinion and integrated bearings support the power shaft within a reduction gearbox, minimizing axial length while enabling easy maintenance.

Segmented vane assembly uses pin-socket connectors to mechanically couple outer platforms, resolving coating uniformity and tipping stability trade-offs.

Pivotal flaps regulate air flow between ducts in bypass turbomachines to optimize gas generator feeding during reverse thrust operations.

Modular splitter vanes slide into grooves and lock with tenons, reducing manufacturing complexity.

Segmented INCONEL inserts replaceable within the annular groove eliminate disassembly requirements during on-site maintenance operations.

Deflectable spigot fingers accommodate thermal growth and centrifugal forces, reducing steady-state stresses and vibratory strains.

A selective thermal barrier coating strategy insulates specific metal surfaces within a gas turbine engine hot section to manage thermal loads.

Removing the raised shoulder from the stator vane platform allows cooling fluid to impinge directly beneath the attachment point, eliminating uncooled mass.

Interference fit joints preload turbine blade airfoil parts to generate frictional damping during operation.

Circulating air through rotor blades removes heat from the hub, preventing component damage.

A steam turbine control device adjusts valve opening timing via signal modification.

Radial insertion of vane roots via an introduction slot eliminates spacers, reducing axial dimensions and component count.

A multilayered composite panel uses perforated acoustic layers to reduce noise emission in turbomachine enclosures.

Hybrid composite airfoils integrate local reinforcing structures to withstand fan blade loss impacts while maintaining lightweight properties.

Merging clutch and brake mechanisms into one unit prevents catastrophic damage from backdriving while reducing device complexity.

Tail cone design combines film cooling with inner sheet impingement to reduce thermal mass at the apex, lowering thermal stresses in hot exhaust environments.

A winch drive device uses parallel secondary shafts and a belt pulley to transmit rotational motion from a motor.

Segmented acoustic boreholes and honeycomb de-icing plates resolve the trade-off between noise absorption and reliable defrosting in turbojet nacelles.

Segmented shear sections absorb extreme blade-off loads to prevent gearbox detachment and oil leakage.

Asymmetric edge fillet at rotor shaft cooling bore inlets reduces pressure losses while maximizing remaining wall thickness to extend rotor lifetime.

A wind turbine cooling system relocates heat exchange means into the ground outside the foundation to manage component temperatures.

A one-dimensional flow model estimates optimal efficiency parameters for axial-flow pump as turbine power generation.

Laminated sealing tabs with monolithic ceramic films prevent chemical diffusion between metal alloys and composite materials at high temperatures.

Compressor blade sensors measure temperature differences caused by ice sublimation to enable precise ice detection and prevent engine damage.

Plastic-coated 3D fabric reduces thermally-induced stresses by matching composite thermal expansion coefficients while maintaining flexibility.

A control unit regulates recirculated flow mass rate in a gas turbine to maintain optimal combustion conditions.

Throttled process steam flows between sealing shells to locally heat the area, reducing thermal stresses and eliminating cold spots in the housing.

A combustor controller calculates combustion air and fuel flows using compressor inlet guide vane position and turbine speeds to determine a real-time fuel-air ratio.

A wind turbine blade fatigue monitoring method extracts operational and environmental characteristics using TF-IDF to determine accumulated damage values.

A rotor blade module with a base plate covering the airfoil projection to secure blades.

A gas turbine air supply device uses a turnover mechanism to rotate a sound insulation flap for rapid interface connection.

A flange collar with a convex contact surface connects wind turbine tower segments through prestressing forces.