Engine Manufacture TRIZ Cases

Optimized aerodynamic profile defined by Cartesian coordinates minimizes turbulence and mechanical stress concentration in gas turbine blades.

Segmented wind turbine blades use truss connection regions to transmit internal loads between structural segments.

A supersonic inlet uses a relaxed isentropic compression surface to shape shocklets and improve net propulsive force.

Hinged rotor blades allow onshore assembly, eliminating weather-sensitive offshore alignment and reducing installation risks.

A sealing ring with a varying circumferential profile cross-section provides load-adapted bending stiffness and anti-twist protection.

A fastening element with reduced material thickness at the weld zone absorbs peak loads to protect the tower wall.

Alternating angled pedestals create a truss structure that directs cooling airflow, reducing stress concentrations while improving thermal conductivity.

Inverting convex nozzle edges to a concave geometry reduces shock wave strength at cowl corners, lowering aerodynamic losses.

Nested supporting disks maintain the center of gravity near bearings, reducing structural complexity while preserving enthalpy jump efficiency.

Segmented cooling pockets direct air radially to reduce compressor bleed volume and maintain combustion efficiency.

An adhesive bond connects a replaceable wind turbine blade tip via internal fixing means, preventing moisture ingress from screw holes.

Asymmetric high-rigidity zones with uneven portions reduce stress on the turbocharger drive ring without requiring precise support pin positioning.

A tapered ballast weight body accommodates a crane hook attachment means through a slit, eliminating complex fixing mechanisms and reducing mounting time.

Guide rods align wind turbine blade sockets with rotor hub fasteners to prevent damage from misalignment.

A variable geometry blade uses shape memory alloy components to alter camber and twist via heating elements.

Ground winches and up-tower pulleys lift rotor blades, eliminating large crane costs.

Integrated acoustic and fire protection layers reduce structural complexity while maintaining mechanical integrity under pressure.

Dual rotation units coupled to a shaft prevent tilting when the center of gravity is misaligned.

A welded metal joint assembly connects composite spar cap segments to simplify field installation of large rotor blades.

A turbine rotor blade design aligns cross-sectional centers of gravity along a specific threading axis to optimize centrifugal force distribution.

Hollow arms channel valve air into the hub cavity to heat the component, reducing thermal stresses on connecting arms during acceleration.

A gas turbine ring segment features a chamfered surface that directs circumferential flow to reduce heat transfer.

Curvature modifications on suction and pressure side inner walls expand cavity clear width to reduce stress concentration in turbomachine blade end regions.

Pre-assembling the flatback profile and shear webs reduces production time by eliminating separate bonding steps.

Segmented tip rail cooling insert with a collection plenum addresses dust clogging and backflow pressure margins.

A shafting arrangement uses a central fan support shaft to drive the propulsive fan through a reduction gear train in a gas turbine engine.

Internal structural features reduce adhesive volume, lowering curing heat while maintaining stiffness.

High-pressure gas urges the seal member against component discontinuities to maintain sealing during thermal expansion.

A guide component anchors the lightning conductor cable along the rotor blade inner wall, preventing flashovers from striking or bending.

A metal rotor blade tip applies a rough surface section to convert laminar flow into turbulent flow, preventing separation and reducing noise generation.

Thermally conductive repair layer redistributes heat across defective wind turbine blade heating elements, preventing hotspots and ice accumulation.

A compressible intermediary stabilizes large blades against oscillations, enabling secure mounting in high-wind offshore conditions.

A laminated protective sheet with adhesive, fabric, and durable layers bonds to wind turbine blade leading edges.

A bypass conduit directs coolant to the pressure side face, eliminating flow dead zones at the trailing edge root.

Tangentially bowed geometry reduces interlaminar stresses in ceramic matrix composite airfoils, eliminating internal ribs that hinder cooling flow.

Segmented modular wind turbine blade design reduces mold occupancy time, shortens production cycle, and improves molding efficiency.

Angled flow dividers direct cooling fluid through trailing edge passages to enhance convective heat transfer.

Magnetic levitation prevents axial displacement in a radial hydroelectric turbine, reducing mechanical wear and assembly complexity.

Segmented flexible lugs absorb differential thermal expansion between dissimilar materials, mitigating thermomechanical stress in turbomachine assemblies.

Segmented leading edge trenches address uneven heat loads by directing cooling air through dedicated holes to form protective films.

Additive manufacturing builds an integral spider frame where radial struts contain service passages, reducing weight and flowpath blockage.

Pressure-activated seals open to direct fluid flow, reducing system complexity while maintaining cycle efficiency across varying engine states.

Asymmetrical fins on the platform reduce corner boundary layer detachment and pressure losses across wide operating ranges.

Rotating blades redirect bypass flow in a turbofan nacelle, reducing mass and minimizing obstruction compared to traditional reversal doors.

Interlocking platform edges transfer force to increase blade natural frequency, resolving flutter instability risks in turbofan engines.

An integrated tooth structure merges bearing and retention zones to reduce radial size by 5 mm while simplifying contra-fan turbomachine assembly.

A turbine nozzle airfoil profile defined by specific Cartesian coordinates enhances gas turbine efficiency.

Segmented elbow-shaped support structures transfer rotor forces to the tower, overcoming transportation limits and casting risks for larger turbines.

A composite translating cowl assembly uses layered skins and metallic brackets to manage structural loads in turbine engine thrust reversers.