Engine Fuctions TRIZ Cases

A compliant blade platform eliminates abrasive wear on ceramic turbine blades by preventing direct contact with the metallic disk.

Single-piece anti-rotation lug with interference fit prevents stator vane rotation while eliminating costly brazing and complex two-piece assembly steps.

A fiber-optic line probe measures blade twist angle changes to detect compressor stall onset in real time.

Single actuator drives cam follower along cam surface to move convergent and divergent petals via linkage system.

A spring-biased seal assembly uses a segmented heat shield to protect internal components from thermal degradation.

Segmented removable parts replace complex Stelliting on blade tips, eliminating bi-material interface cracks and voids.

A coupling device for wind turbine tower segments uses a receiving plate to secure counter elements during single-sided assembly.

Trip strips induce vortex motion in impingement chambers, reducing erratic recirculation and improving cooling efficacy with less airflow.

An annular heat exchanger in the primary airflow circuit reduces inlet temperature via a secondary air circuit, lowering fuel consumption and NOx emissions.

A wave energy converter captures kinetic motion through pivoting arms and hydraulic actuators to drive a generator.

A vertical axis wind turbine uses extendable airfoils to generate power while maintaining a compact profile.

Fanned cooling holes in turbine airfoil fillets distribute coolant to reduce bow wake thermal phenomena.

A dual mode scavenge scoop directs air oil mixtures using a baffle and separation device to create an oil collection region.

Discrete circumferential support sections secure centering without narrow grooves, preserving structural integrity in ceramic fiber composite turbine casings.

Microwave sensors measure linear spindle displacement to derive turbine vane pivot angles, bypassing high temperatures that damage direct contact devices.

Controller estimates oil level using elapsed operating time to resolve measurement inaccuracies caused by thermal expansion and sloshing.

Radially movable tooth segments drive a central output member within a wind turbine gearbox, reducing volume and weight while maintaining high gear ratios.

Spring-loaded flanges on the can bridge the air gap to fix the cartridge radially, eliminating vibration-induced noise emissions.

A bushing with a higher thermal expansion coefficient than the fastener maintains bolt pretension in turbomachine casings.

A turbine casing cooling plate contracts radially via cold air to adjust tip clearance between the blade and the housing.

A hollow bearing shaft with circumferentially varying wall thickness provides adaptive radial stiffness for rotating components.

A guide vane segment shroud incorporates a curved relief slot to distribute mechanical stress along the sealing wall element.

Rare-earth oxide coating reacts with molten salt impurities to form a dense protective barrier layer on gas turbine components.

Asymmetric hinge mounting positions enable differential pivot distances between nested reverser doors to improve aft-end sealing.

A balance weight assembly uses a conical screw head nested in a counterbore to secure the rotor element.

A wind turbine converter cabinet uses a filter and fan to recirculate air while maintaining internal overpressure.

A turbine nozzle assembly uses a cover plate to seal pockets at the inner and outer diameters, incorporating hollow airfoils with cavities and impingement pans.

Integrating a self-stopper with the drive ring reduces component count in variable geometry turbochargers.

Non-uniformly sized bolts connect wind turbine rotor blade segments to optimize structural support while minimizing material usage.

Exhaust duct assembly directs turbine gases upward to dissipate acoustic energy and reduce ground-level noise exposure.

Accessory assembly integrates a secondary bearing between the shear neck and gear to maintain radial and axial support during torque overload events.

Angled forward faces on the cover plate prevent hot gas leakage while maintaining cooling volumes within the turbine section.

A platform feed structure defines a fluid path through the forward rail to deliver cooling airflow into the airfoil leading edge cavity.

Surfactants reduce surface tension to create smaller water droplets, preventing compressor blade erosion while maintaining power output.

A hydroelectric power generation device uses an integrated sleeve to correct and stably support the central axle position during rotation.

Automatic lockout mechanism prevents thrust reverser movement when service doors open, eliminating manual safety procedures.

Layered CMC plies with wedges reorient fibers to resist stress concentrations, reducing cracking in high-pressure gas turbine environments.

A hydraulic or electromagnetic biasing device applies compressive force to a gas turbine shaft, reducing bearing stress caused by unbalanced axial loads.

Segmented supply manifold tailors cooling airflow to specific engine case portions, reducing shape distortion and blade-case contact risk.

A translating cowl assembly uses a blocker door to redirect engine airflow for reverse thrust.

Segmented hooks and merged gussets stabilize the platform against shifting while lowering manufacturing costs through single-piece molding.

A computing system adjusts gas turbine fuel flow based on measured emissions to resolve firing temperature variations and improve reliability.

Replacing water with supercritical carbon dioxide recovers exhaust heat to power the turbocharger, eliminating water consumption in arid regions.

A deflection inhibitor counters the tilting couple on helical gear planet pinions, ensuring even load distribution and reducing wear.

Feedback-controlled variable heating compensates for overcooling in evaporative systems, preventing inlet guide vane closure and preserving efficiency.

Flexible couplings between rotor hub protrusions and the generator structure absorb bending loads, minimizing air gap variations and structural damage.

Double elastomeric teeter bearings absorb sharp dynamic loads through elastic deformation and viscoelastic damping.

Offset pressure and suction side rails in a squealer tip discharge cooling air to remove heat from the blade trailing edge, preventing oxidation and erosion.

Angled comb elements stabilize turbulent airflow and reduce acoustic scattering, enabling rated power output while meeting noise regulations.