Engine Manufacture TRIZ Cases

Mounting FLADE fan blades on an aft turbine avoids low pressure spool stress and simplifies adaptation of existing engines.

Cartesian coordinate definitions for turbine vane airfoils manage high-temperature stresses while maintaining manufacturing feasibility.

Segmented actuators provide precise rotational and translational control, resolving alignment bottlenecks during heavy component installation.

Multi-layer bimetal actuator adjusts turbine gaps via thermal expansion, reducing clearance losses and improving engine efficiency.

Angled resupply holes align cooling flow with downstream streams, reducing pressure losses from turbulent mixing.

A single central support guides multiple shaft bearings within the accessory gearbox casing.

A thrust reverser door features a continuous interior surface profile with convex and concave portions to maintain flow attachment along the entire door length.

A frustro-conical fuel manifold slows propellant velocity through multi-prong diffuser passages.

Trunnions on face flanges guide sectors into alignment, reducing labor-intensive manual positioning during construction.

Curved transition zones and optimized rib geometry distribute centrifugal forces to reduce stress concentrations and extend Low Cycle Fatigue life.

Scalloped platform leading edge blocks combustion gas vortices to extend angel wing seal service life.

Variable fillets merge turbine airfoil walls with platform surfaces, reducing stress concentrations at edges while maintaining minimal gas path area.

Segmenting the accessory gearbox straddles the engine core to improve maintenance access while extending between cowls to reduce aerodynamic drag.

Dynamic petal positioning varies exhaust throat and core exit areas, reducing fuel burn during supersonic cruise while maintaining transonic thrust capability.

A rotor blade design reduces high wind speed noise through localized twist adjustments and increased torsional stiffness in the outboard region.

Bonding compound flows via a rod to fill the cavity between bushing and root, eliminating axial cavities while protecting inner threads.

Offset core gas turbine engine simplifies servicing by separating the fan from the compressor and turbine sections, reducing disk burst interference risks.

A micro-turbine alternator system uses a two-stage turbine and interstage catalytic converter to resolve low energy density constraints in UAV applications.

Adjacent coil turns share common walls to maximize heat exchange surface area within a compact volume.

Aligning actuators with sliding rails eliminates tilting moments, preventing cowl jamming and reducing nacelle mass in aircraft thrust reversers.

Extracting cables through a narrow access path eliminates large manholes, preserving wind blade structural integrity while reducing manufacturing lead time.

Wire mesh members frictionally engage turbine blade openings to dampen vibration, reducing centrifugal force and avoiding configuration complexity.

Protruding portions connect serpentine microcircuit legs to film cooling holes, reducing thermal gradients and preventing back flow on the pressure side.

Segmented webs with stress relief holes disperse damper swing impacts, preventing localized pressure damage to wind turbine towers.

Merging discrete fugitive inserts into a single component eliminates flash formation and dimensional variability in complex gas turbine airfoil casting.

Cavity separating rails segregate platform cavities into distinct flows to eliminate hot spots and optimize heat pickup on airfoil surfaces.

An alignment pin couples adjacent turbine nozzle diaphragms to ensure precise assembly positioning.

Concentric fuel manifolds isolate main flow from thermal stress using insulation, preventing carbon formation in gas turbine engines.

Optimized diffuser angles reduce drag and mass in short intakes, resolving the trade-off between fuel consumption and nacelle weight.

Flexible member accommodates thermal warpage of the inner rail to prevent chordal leakage between vane segment and supporting ring.

Segmented angel wings allow independent replacement to seal airfoil gaps, reducing maintenance costs while preserving structural integrity.

Co-planar serpentine tubes maximize heat exchange surface area within the duct volume, resolving fluid distribution constraints while minimizing pressure drops.

A movable floor lowers to expand the nacelle base compartment, resolving the contradiction between minimal wind resistance and sufficient maintenance space.

Film cooling hole protrusions stabilize cooling air flow to prevent separation, ensuring consistent heat transfer and reducing thermal stress on the blade.

A turbine vane aerodynamic profile defined by Cartesian coordinates reduces turbulence and mechanical stress.

Inverted screw jack actuator minimizes connecting element distance to reduce buckling risk and eliminate extension tubes.

Defined Cartesian coordinates balance airflow efficiency with manufacturing complexity to improve turbine performance.

Blade tip damper prevents rotor blade damage from carriage movement stresses.

A wind turbine blade lifting device uses movable retaining units to secure and release the blade during transport operations.

Segmented wind turbine towers use longitudinal flanges to boost static stability without increasing base area.

Transversely mounting side units reduces torque loads and enables transport of larger turbines using standard cranes.

Segmenting the acoustic core into layers reduces manufacturing complexity while maintaining structural rigidity and noise damping.

External turn caps extract baffles from internal cavities, reducing weight and pressure loss while maintaining cooling coverage.

Curved riblet upper surfaces shield land areas from heat loads and facilitate cooling air flow over trailing edge regions.

Curved tube bosses prevent boundary layer detachment at housing interfaces, reducing pressure drops and recirculation areas for turbomachine performance.

Segmented minicore cooling circuits manage high heat flux in gas turbine airfoils, lowering metal temperatures while maintaining structural integrity.

A cladding element features a reinforcing element with a straight first section and an inclined second section arranged within the outer surface.

Segmented modules enable simultaneous erection and operation, resolving conflicts between structural stability and construction speed.