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.

Segmented curved transfer tubes reduce thermal stress concentrations in outer diameter platforms, extending component operational life.

Power transmission conductors orient along the shady side of a wind turbine enclosure to maximize surface heat transfer coefficients.

Segmented baffle tubes and merged flange rings distribute cooling air via impingement orifices to reduce thermal stress on gas turbine airfoils.

Insert divides turbine vane cooling channel into separate pressure and suction side passages, optimizing cold air flow to prevent thermal deformation.

Segmenting the rotor into counter-rotating groups and merging them in a duct recovers wake energy to exceed Betz limits.

Curved surfaces on the outer platform reduce stress by 35% during Stellite coating deposition, preventing cracks.

Interlocking wall segments replace welding in rocket nozzles, eliminating production complexity while maintaining high cooling efficiency.

Flexible grommets retain vane tips via airflow forces, eliminating adhesive use that complicates installation while preventing foreign object damage.

An annular splitter plenum with radially oriented metering slots conducts bleed air to reduce ice buildup while minimizing specific fuel consumption.

A gas turbine engine detects shaft shear events by comparing second spool load transfer against a threshold derived from first spool power.

Segmented wind turbine blades combine drag and airfoil sections to increase starting torque, enabling power generation in low wind velocity regions.

Virtual sensors compute inaccessible quantities via real-time simulation, resolving the trade-off between measurement precision and device complexity.

A turbine exhaust case frame uses circumferential bosses to secure removable brackets that support the frame weight.

Airfoil wall uses CMC ply cutout voids to define internal cooling channels for heat dissipation.

Segmented impellers on rotating arms capture flow in shallow streams, reducing weight and fragility while boosting power generation.

Plastic perforated side walls create modular silencer panels that reduce weight and manufacturing complexity while maintaining acoustic attenuation.

Adjustable inlet swirl angle of cooling air delivered to the rotor disc cavity reduces windage power loss while maintaining thermal response speed.

A turbine blade uses impingement cooling features to direct fluid flow toward the airfoil tip.

Circumscribing rail microchannels redirect coolant flow to remove heat from the turbine rotor blade tip, reducing leakage and improving cooling efficiency.

Fastener defines cooling passage delivering flow to seal mate face, reducing thermal stress and limiting relative movement.

A thrust reverser door moves via articulated connections to minimize aerodynamic disturbances in the secondary channel.

Intermittent rotor rotation disrupts thermal gradients during shutdown, preventing bowing while reducing drive component weight.

Pre-twisted central sections resolve torsion to lock balancing weights against shroud movements, reducing frictional wear and stress.