Engine Manufacture TRIZ Cases

A turbine blade trailing edge concavity streamlines airflow through cooling openings to enhance heat transfer efficiency.

Curved convex bedding surfaces transition with counterparts to distribute loads evenly, reducing stress concentrations and extending service life.

An embedded polymer concrete mandrel eliminates steel tooling demolding, reducing production time and weight while enhancing recyclability.

A V-shaped gearbox with interconnected arms and a joining part distributes forces tangentially through connecting rods.

An integrated actuator uses a piston valve and modulation device to control cooling air flow in gas turbine engines.

A metal strip covers the wind turbine blade leading edge to suppress erosion, avoiding the aerodynamic degradation caused by thick protective coatings.

Pre-cured pultruded strips eliminate individual fiber positioning, reducing manufacturing complexity while maintaining bending resistance.

Segmented turn channel legs with diffusion angles reduce flow detachment and pressure loss in complex airfoil geometries.

Boroscopy-guided aluminum oxide repair restores worn compressor run-in layers, eliminating costly engine dismantling and reducing operational downtime.

A tapered, axially translatable flow restrictor guides exhaust gas into an axial or mixed-flow turbine.

Varying contact face angles on a firtree rotor blade root optimizes stress distribution, reducing breakage risk under centrifugal forces.

Angular offset between composite vane junctions and shell radii eliminates structural arms, reducing vortex formation and assembly mass.

Curved pultruded members conform to curved molds, eliminating gaps and reducing machining costs in wind turbine blade manufacturing.

Parabolic arc geometry in turbine vanes distributes mechanical stresses evenly while reducing turbulence for improved efficiency.

Axial assembly groove allows inter-segment seal strip insertion to block hot fluid from reaching the turbine casing.

Segmented passages route cooling air through a blade outer air seal before entering a ceramic vane, reducing thermal stress by maintaining lower gradients.

Interconnected honeycomb cells resonate and cooperate to improve acoustic insulation while simplifying manufacturing.

Coaxial rings on a retention pin tune resonant modes without altering blade tooling, avoiding costly rework while reducing vibration amplitude.

Segmented lock and actuator components joined by a frangible linkage prevent projectile damage propagation while maintaining propulsion system reliability.

Axially and radially movable guide vanes reduce thermal stress and corrosion in turbochargers.

Segmented exchange arrangement resolves restricted space and time loss contradictions in wind turbine hub accumulator replacement.

Mould markers form negative impressions on wind turbine blades, eliminating time-consuming reference point determination during assembly.

Segmented mast elements with opposing connectors enhance mechanical strength while reducing assembly complexity.

Segmented bleed port cavities with angled walls minimize pressure loss while maintaining cooling efficiency in gas turbine engines.

Radial cooling passages in the annular outer band direct cooling air through turbine blades to reduce thermal gradients across interdigitated sections.

Segmenting the oscillating and energy transfer mechanisms allows easy underwater maintenance while reducing structural fatigue on pivot shafts.

A hybrid worm gas turbine engine combines radial and helical blades for positive displacement compression.

Obliquely angled slots in the face sheet reduce noise and drag while maintaining impact resistance against ice particles.

Segmented plug and clamp attachment transfers compression loads from composite blades to disks, preserving material strength.

Integrating heat exchanger channels within an outlet guide vane airfoil structure to cool engine oil via coolant impingement.

Cartesian coordinates position film cooling holes on a blade outer air seal to reduce temperature exposure and enhance durability.

Pre-calculated geometric coordinates for film cooling holes discharge airflow to mitigate thermal stress and extend component lifespan.

Segmented stilt design reduces turbine blade mass while maintaining mechanical integrity under high stress loads.

A mobile maintenance platform with adjustable U-profile cheeks attaches to vertical ladders for horizontal alignment inside wind turbine towers.

Segmented diffusing ducts channel cooling flow through triangular pedestals to maintain backflow pressure margin in low flow applications.

A unitary rotor blade mold assembly forms a single structure using a hollow core and layered substrates.

One-piece root strengthener anchors blades for direct hoisting, eliminating costly crane operations and reducing damage risks.

Upstream disturbance member disrupts external air stream at ventilation openings to suppress acoustic resonance without increasing nacelle mass.

Nested electric generator within tail cone uses acoustic panel assemblies to mitigate noise while shielding components from high temperatures.

Airfoil cooling holes positioned by specific X, Y, and Z coordinates direct fluid to reduce surface temperatures in gas turbine engines.

A movable carriage inside a wind turbine nacelle transfers components through an opening to enable unmanned aerial vehicle maintenance.

Counter-rotating turbine rotors eliminate stationary nozzle guide vanes, reducing cooling air consumption and improving gas engine efficiency.

Segmenting the base and cantilevered portions preserves the acoustically active area while maintaining structural support, reducing maintenance time.

Dihedral and sweep profile airfoils reduce pressure loss by pulling airflow to the tip region, resolving sealing complexity in gas turbine engines.

Segmenting spools eliminates gearboxes and variable geometry components, reducing structural complexity while improving fuel efficiency.

A radial strut transmits tension from a gas turbine tie rod to the outer casing, distributing loads across the assembly.

Movable walls translate to vary inlet and outlet orifice sections, reducing air recirculation and turbulence while minimizing aerodynamic drag.

Segmentation divides the nacelle lip into two modules, eliminating brazing deformation risks while enabling efficient defrosting blow openings.

Resilient arms absorb misalignment shocks to prevent damage while enabling precise alignment under rough sea conditions.