Engine Manufacture TRIZ Cases

A concentric gas flow mixer uses modified lobes with varying wall thickness to shift natural vibration frequencies.

A pre-formed guide groove on the drive ring directs a connection pin into an insertion slot, eliminating manual alignment errors during assembly.

Prefabricated wind turbine rotor blade skin panels overlap in a mold and receive resin infusion under a vacuum bag to reduce manufacturing time.

A blade outer air seal uses non-circular protrusions to augment surface area for enhanced thermal energy transfer.

Asymmetric root turn geometry lowers peak stress by twenty percent while maintaining efficient cooling flows.

Segmented wind turbine blades employ a connecting device extending through the root to lower segments without cranes, reducing maintenance costs.

Offset serpentine walls create constricted cells shifting resonant frequencies, suppressing low-frequency noise without increasing liner thickness.

Segmented microchannels deliver targeted cooling to intermediate seal regions, reducing hot spots and thermal stress in gas turbine shrouds.

Disposable frangible supports guide shear web positioning during one-step mold closure, eliminating complex permanent fixtures and reducing final blade weight.

Homogeneous thermoplastic caps eliminate bonding failures between dissimilar materials, ensuring erosion resistance and structural integrity.

Raised geometric patterns on cascade vanes improve reverse thrust efficiency by 13% while reducing noise compared to conventional systems.

Nested cascade vanes deploy via a translating sleeve to redirect airflow, resolving nacelle space constraints.

A wind turbine blade surface mounted device uses a dual-bonding attachment system with elastic and structural connections.

Curved sidewalls reduce inter-laminar stresses in gas turbine airfoil platforms by eliminating fillets and distributing tensile loads.

Segmenting identical liquid dampers into a universal frame allows tuning mass and frequency to mitigate vortex shedding damage.

A slide device moves turbine annular components along rails using a weighted base plate for stable transport.

A control unit regulates fluid flow to individual actuators in a variable area nozzle, ensuring precise translatable structure positioning.

Segmented convex casing with tension rods resolves the trade-off between increased combustor volume and reduced axial stiffness.

Folded fiber connecting elements integrate into blade sections to transfer loads across the joint interface while maintaining structural integrity.

Ventilation openings in the forward portion provide fluid flow communication to cool the cavity, preventing oil leakage without disrupting exhaust performance.

A pre-cured connection piece transitions between spar caps of different cross-sectional shapes and materials.

Spiral cooling channels in combustion chamber liners conduct heat to propellants, reducing thermal stresses and maintaining structural integrity.

Inclined aperture walls redirect oil flow to reduce recirculation and thermal accumulation in gas turbine engines.

Concave turbulence elements increase pressure loss upstream of trailing edge openings, allowing larger holes without raising coolant consumption.

Segmented tangential and central oxidizer injection creates a vortex flow that enhances fuel regression rates without increasing engine size.

Thermoplastic cascade assembly uses compression molding to simplify mold design and reduce fabrication labor.

Integral scroll casing eliminates joint leaks and pressure loss while radial fittings manage thermal deformation in rotary machines.

Roller assemblies replace sliding contacts to reduce friction and binding in high-temperature gas turbine nozzle flaps.

A turbine blade uses segmented radial ducts to supply cooling air directly to critical regions like the squealer tip cavity.

Segmented turbine housing improves casting formability of narrow scroll throats while suppressing heat radiation via interposed gaps.

A turbine guide vane throttle element diverts coolant into separate streams to manage internal flow paths.

A connector mould formed by blade sections and a seal contains low-viscosity adhesive to fill the joint space.

Segmented honeycomb structures mitigate spalling and erosion in gas turbine blade seals while maintaining thermal protection.

Segmented seals distribute pressure differences across retention and vent cavities, reducing leakage while maintaining efficient cooling of turbine components.

A segmented wind turbine tower section uses a support beam to form a frame assembly, reducing labor-intensive manual fastening at significant heights.

Elastomeric coating forms a flexible cover skin around foam core rotor blade components.

A multiple-capacity centrifugal compressor adjusts inlet guide vanes and outlet diffusers to optimize flow.

Segmented baffles in cooled turbine vanes direct coolant flow across exterior surfaces, reducing pressure loss while maintaining heat transfer.

A castellated arcuate portion rotates to engage an inwardly projecting retaining feature, securing the fan duct inner structure against the core engine frame.

Curved squealer tip pockets improve blade cutting ability to maintain engine efficiency despite thermal fatigue constraints.

Segmented recessed portions on a turbine blade channel cooling fluid from internal circuits to high-heat zones, resolving insufficient coverage at the tip.

A detachable holding unit secures wind turbine rotor blades during installation using a strap and clamping mechanism.

A circumferential groove in a turbine casing accepts a segmented ring insert with a new bore hole pattern, eliminating interference with existing holes.

Aligning bypass duct drag links with local airflow angles reduces pressure loss and thrust specific fuel consumption during thrust reverser deployment.

Installing a support element with a replacement thread repairs damaged busbar housing sections, eliminating spare part costs and assembly delays.

Circumferential pressure from handling tools prevents ovalization of wind turbine sections during transport.

Load-reaction arms distribute pressure loads from ceramic matrix composite blade tracks to metallic carriers, reducing stress concentration.

Corrugated trip strips enhance turbulence within gas turbine airfoil channels to boost heat transfer efficiency.

A lifting device moves along rotor blades to connect segments using a triangular suspension system.