Engine Fuctions TRIZ Cases

An expansion feature in a gas turbine mini-disk reduces axial stiffness, distributing thermal stresses and preventing failure.

Relocating the cooling fluid tank to the exterior nacelle cover resolves interior volume constraints while maintaining aerodynamic efficiency.

Paired epicyclic gear sets distribute torque between two generators to match turbine performance across varying wind speeds.

Remote counterweights mechanically linked to blades drive pitch changes, resolving actuator failure risks while reducing hub size and structural loads.

Bimetallic extensions adjust radial contact to protect rotatable members, eliminating active actuator complexity and preventing foil bearing damage.

A gas turbine control system computes cumulative wear and hardware consumption rates from sensor signals to enable dynamic operational adjustments.

Segmenting sensors into welded coupons simplifies retrofitting gas turbine components.

A turbine shroud segment integrates a cooling channel with a seal slot passage to direct spent air toward the high-pressure side of the seal interface.

Trenched cooling holes in ceramic matrix composite vanes reduce coolant flow requirements while maintaining structural integrity at the trailing edge.

Anti-wear device with U-shaped portion and tongue part protects turbomachine ring support notches from vibration wear, reducing repair time and costs.

Nested concentric gears with opposing helical teeth cancel axial forces, enabling compact multi-stage ratio adjustment without excessive bearing loads.

Offset radial sealing gaps form targeted air flow passages that convectively cool sealing fins, reducing thermal loading on gas turbine labyrinth seals.

A compliant wrap around an attachment pin distributes mechanical loads across a ceramic matrix composite blade track segment.

Segregated cooling circuits reuse air from leading edge regions to cool mid-chord areas, cutting compressor bleed demand.

Aluminum-water reactor generates hydrogen and steam for combined cycle power production without external storage infrastructure.

Accessory gearbox uses multiple tower shafts driven by low and high spools to power auxiliary components.

Intersecting cooling passageways within the wall create mixed flow to prevent debris blockage and stabilize the cooling film.

Independent double injectors adjust jet pump power across engine speeds, avoiding oversized pumps and complex regulated valves.

Increased flange radial thickness creates a universal interface for diverse foundations, eliminating separate adaptors and reducing installation complexity.

Preliminary shaft rotation via starter motor eliminates cold start delays, enabling rapid gas turbine ignition for high power generator systems.

Segmented planetary sets and nested components reduce centrifugal loads while maintaining high torque capacity in gas turbine engines.

A submersible power plant adjusts wing angle of attack to optimize trajectory and power generation.

A rotary actuation thrust reverser system moves doors to redirect bypass airflow without axial cowl translation.

Segmented sleeve mounting bypasses seized threaded bores to enable quick sensor replacement without disturbing the inner turbine case structure.

Protrusions generate turbulence inside cooling channels to raise heat transfer coefficients, reducing the need for excessive compressor air extraction.

Segmented bearing assemblies stabilize the low pressure shaft at high speeds, resolving radial space constraints without increasing diameter.

A scarf joint joins glass and carbon fiber composite materials using a third intermediary material to form a robust internal support structure.