Engine Manufacture TRIZ Cases

A vertically asymmetric annular flow guide reduces pressure loss and improves turbine efficiency by minimizing turbulence in high-pressure exhaust hoods.

Porous retainer communicates noise energy through fan case seams to the attenuation layer.

A fan blisk incorporates a mechanical discharge slit on the annular platform to redirect trailing edge stress, reducing blade breakage risk without adding mass.

Movable support protrusions allow offset transition ducts to shift longitudinally and radially, preventing stress buildup from thermal expansion.

Curved passage bending parts inside shrouds distribute thermal stress, preventing concentration that reduces structural life.

Merges the first heat exchanger into the combustion chamber monolith, reducing heat loss while maintaining compact volume.

Segmenting the platform into hinged shelters constrains atmospheric moisture and airflow, reducing downtime during adverse weather.

Spring-loaded rolling bearings replace rigid rub tips on the unison ring, eliminating hysteresis and lever arm stress during thermal expansion.

Mutually supporting heat exchanger pipes reduce weight and fatigue life limits by merging structural rigidity with thermal transfer functions.

Asymmetric elliptical boreholes reduce stress peaks on flanks, extending rotor disk lifespan under centrifugal forces.

Noncircular crossover holes align with primary stress fields to reduce concentration in rotating turbine components.

Constraint band interconnects outer lobes to reduce vibrations and deflections in gas turbine engine exhaust mixers.

Asymmetric fillets on heat transfer members direct cooling airflow toward downstream components, resolving poor flow control from symmetric designs.

Specific non-dimensional Cartesian coordinate values define optimized compressor stator vane airfoils to reduce aerodynamic losses in gas turbine systems.

A fiber-reinforced composite airfoil fairing incorporates a rib with a radial notch to reduce thermal mass and stiffness.

Segmented damper rings dissipate vibration energy via integrated mass-spring elements, resolving insufficient damping in turbomachine blisks.

A wishbone-shaped fiber layer structure distributes bending loads across composite airfoils.

Segmented flow guides fixed to pressure and suction surfaces direct cooling air while minimizing thermal stress on structural components.

A static cowling vertex deflects foreign objects radially away from the engine intake slot.

Counterflowing crossflow channels in the inner shroud segment direct coolant to reduce thermal stress on hot gas path components.

Corrugated surfaces on turbine blade coupons create discrete vortex structures that reduce aerodynamic losses from trailing edge thickness.

Ejector apertures in a CMC trailing edge segment prevent debris clogging while providing effective cooling.

Prechorded circumferential curvatures on turbine nozzle hooks align with groove geometry during thermal expansion.

A layered containment arrangement absorbs fan blade impact energy through cellular and ductile material layers.

Low viscosity resin system combined with high density fabric increases composite modulus and reduces blade weight.

Vortex-generator fins with oblique surfaces enhance heat transfer in narrow trailing-edge cooling channels.

A free-turbine engine uses parallel non-coaxial shafts and a cylindrical combustion chamber to simplify mechanical layout.

Spring-loaded web locator guides shear webs during blade shell bonding.

A modular wind guide system uses standardized segments to direct airflow toward turbine rotors.

Extended second axial side portion of the hub reduces stress concentration and dishing, enabling thinner discs with improved durability.

A submersible turbine drives a generator via pressurized fluid flow, eliminating the need for large structures or deep excavations.

A morphing M-Spike exhaust nozzle ring system controls airflow and combustion gases across varying flight regimes.

Flexible auxiliary blades dynamically adjust to wind direction, reducing initial starting velocity and enhancing power generation efficiency.

A gas turbine engine uses a radial epicyclical gear system to drive counter-rotating fan blades for efficient power transfer.

Embedding fiber-reinforced plastic tendons in concrete segments eliminates complex anchoring systems, reducing production time and personnel requirements.

Grooved inertial particle separators reduce compressor inlet pressure drop while minimizing engine wear by directing particulates into a scavenge stream.

Asymmetric platform thickness compensates for radial surface misalignment, reducing localized hot spots and enhancing component durability.

Protrusions on internal pedestals generate vortices and direct flow toward side walls, managing high rotor inlet temperatures that cause thermal damage.

Segmenting the jacket into a high-strength base layer and attached manifold reduces galvanizing costs while maintaining mechanical resilience.

A turbine shroud assembly uses angled load surfaces and compression springs to radially locate a ceramic blade track segment within a metallic carrier.

A blade tip beam clamped to the rotor secures and guides the heavy component during horizontal displacement.

Integral laminate glove and protruding laminate join segmented wind turbine blades to reduce transportation costs in complex terrain.

Segmented actuator sizing reduces nacelle weight by eliminating dual deployment lengths required for regular and irregular maintenance.

A turbomachine nozzle airfoil defines a specific throat distribution to improve aerodynamic loading on adjacent blades.

A rotatable support plate enables single-crane rotation of heavy wind turbine rotor shafts during assembly.

Segmented closure bucket assembly with integral angled covers enables direct axial insertion into rotor wheel dovetail slots.

Segmented rocket nozzle cones use flexible locking elements to enable independent assembly, reducing maintenance complexity.

A wind turbine blade vortex generator uses fin sets with spanwise-varying inclination angles to generate vortices that manage airflow over the surface.

An embedded carrier allows peeling off damaged coatings, leaving a clean substrate to reduce maintenance downtime.