Engine Fuctions TRIZ Cases

Axial shelves and leading edge tabs secure turbine damper seals, preventing disengagement under high temperature.

A flow diverter redirects secondary air to protect finger seals in gas turbine engines.

Excess wind energy elevates weighting material in a secondary assembly, supplementing primary output during low production periods.

Segmented pods convert linear wave motion into rotational torque via a submerged backbone, resolving platform instability and high maintenance costs.

Rotating the center guide pin adjusts horizontal positioning to resolve assembly errors without requiring multiple specialized component types.

Segmented metal coupling support members join composite guide vanes from both sides, resolving the weight reduction versus structural strength trade-off.

A single pierced wall stiffens a thrust reverser flap and forms an acoustic resonator, reducing weight and complexity without sacrificing acoustic performance.

Nested planetary gears in a turbomachine gear assembly achieve high ratios without increasing weight beyond engine constraints.

Orthogonal fitting design transfers link arm loads to the inner fixed structure without obstructing bypass airflow.

Radial rings apply compressive loads to exhaust nozzle flanges, mitigating thermal expansion mismatch between ceramic and metallic structures.

Clearance between shear screws and upstream orifices eliminates tangential forces, ensuring controlled decoupling during rotor imbalance.

Segmented acoustic nozzle reduces noise and NOx by mixing bleed air with ambient flow while preserving mass flow.

A plate extends across the gap between stator vane platforms to redirect backflow and reduce fluid leakage.

A planet carrier assembly method joins a separate cage and cage carrier using connection axles to establish precise relative positioning.

Cross-channel controllers modify fuel and nozzle-guide-vane signals based on dual-turbine speed errors, eliminating mutual interactions that cause oscillations.

Dynamic interstage seals mounted to vanes reduce wear and stress on structural components while enabling higher temperature operation.

Adjustable peening rollers and compliant backer induce residual stresses to improve fatigue strength without removing integrally bladed rotors.

Cross-sectional sensors measure primary and secondary bending moments in wind turbine blades using angled axes.

A hydraulic turbine employs a dual servomotor system to prevent dangerous over-opening of guide blades during overspeeding events.

Tail cone fins disrupt vortices to reduce nozzle surface temperatures, preventing hot streaks and material stress while maintaining engine thrust.

Curved flow guides and diamond-shaped pedestals reduce pressure losses from abrupt turns while enhancing heat transfer efficiency in gas turbine vanes.

A diagnostics unit generates condition indicators using a thermodynamic model to calculate real-time engine emissions data.

A conductive element on wind turbine bearings monitors circuit status to detect surface damage.

A turbo-compressor unit drives a compressor impeller to raise natural gas pressure using high-pressure drive fluid.

Segmented radial guide rollers and fixed axial-radial pins restrain unison ring movement to prevent roller separation during vane adjustment.

Door frame air passages enable filtered air circulation for converter cooling, eliminating water circuit leak risks and maintenance costs.