Engine Manufacture TRIZ Cases

Tapered cross-sectional grooves in longitudinal slots guide cooling fluid to reduce thermal stress while preventing seal member wear.

Internal steel cable clamping resolves transportability-reliability trade-offs in segmented wind turbine blades.

Holes in the suction tip wall bleed cooling air from the squealer cavity, lowering supply pressure requirements and improving turbine efficiency.

A lifting device uses a rotatable frame to adjust steering wire angles for precise component positioning.

A rotor blade platform overhang uses a variable transition radius to adjust vibrational behavior and stress progressions.

A wind turbine nacelle features a movable extension structure that expands the inner volume for maintenance access.

Segmented skeleton members with parallel bolt connections clear maintenance paths while maintaining structural integrity.

Angled injection orifices in the support structure create a revolving flow that eliminates axial temperature gradients and improves heat exchange.

A monolithic forked body configuration integrates airfoils and mounts to minimize centrifugal loading.

Optimizing trip strip pitch-to-height ratios and bleed hole positions improves convective thermal cooling effectiveness while reducing required cooling airflow.

A rotor disk design uses a holding shoulder with a smaller radius than the support surface to manage centrifugal forces.

Segmented sideplates accommodate thermal expansion via movable joints, preventing cracking while maintaining airflow seals under high pressure.

A segmented rotor blade beam structure transitions contoured surfaces to linear joint portions to prevent composite delamination at structural connections.

Truss stabbings and receptacles mate wind turbines to spar buoys, eliminating costly crane barge requirements during offshore installation.

Core assemblies merge separate cooling branches into junctions, managing high thermal loads while maintaining structural integrity.

Segmented cooling holes with curved paths create persistent films on turbine blades, resolving inadequate heat dissipation in high-temperature environments.

A turbine blade uses a bypass portion to supply cooling fluid between adjacent passages.

Offset dual gas generators reduce overall engine length while maintaining high bypass ratio efficiency.

Offset plates cover abradable blocks to seal turbomachine ring sectors, preventing hot gas leaks and reducing casing mass.

Modular cooling flow inserts enable flexible fluid communication within gas turbine shroud block segments.

A portable measurement apparatus determines wind turbine blade segment orientation using airfoil markers and a support plate for on-site deployment.

A hinged mounting arm connects to a wind turbine rotor hub port and adjusts its section angles to position blades horizontally.

Angled inner and outer cooling apertures direct air to adjacent endwalls, reducing operating efficiency losses from excessive cooling air usage.

Variable rib thickness and compound fillets distribute stress concentrations along the gas turbine fan blade to prevent structural failure.

Internal interpenetrating studs disrupt lubricant flow to enhance convection, resolving the trade-off between thermal performance and manufacturing complexity.

Segmented chambers and perforated plates dissipate pressure fluctuations, reducing incidental forces that shorten compressor operational life.

Segmented joints with nested inserts resolve manufacturing difficulty while maintaining temperature resistance in gas turbine engines.

Attaching the nacelle shell at three static points eliminates lattice structures, reducing stress transfer and material fatigue.

A power turbine vane airfoil profile defined by specific Cartesian coordinate values to balance aerodynamic and structural requirements.

An inflatable cover reduces the aerodynamic drag coefficient of a suspended wind turbine blade, preventing uncontrollable yaw and swing caused by passing winds.

Heated inserts flow into interface gaps to maintain intimate contact, eliminating adhesives and reducing weight.

A single-piece air seal ring secures to a turbine vane inner platform via a bayonet locking nut and biasing member.

Tangential connectors attach gas turbine components directly to fan casings, distributing loads along composite strength directions.

An inclined distal wall redirects cooling airflow to the pressure surface apex, preventing oxidation and metal loss at the blade tip.

Conjugate contact faces on concrete blocks enable direct adhesive bonding without on-site joint formation.

Peripheral retention surfaces on the drum wall eliminate internal annular cells, reducing weight and simplifying machining while maintaining rigidity.

Thickened fan blade roots reduce peak stress to improve fatigue life without degrading aerodynamic performance.

Internal rail system moves heavy turbine components between nacelle and hub cavities, eliminating bulky external cranes.

A turbine airfoil features a tapered thermal barrier coating on the pressure side that decreases in thickness towards the trailing end.

A recess in the spar root accepts an elongate web attached with adhesive and pins to transfer shear loads.

A perforated top sheet and porous core structure dissipate sound waves within aircraft acoustic systems.

Segmenting the heat exchanger into stages with distinct nickel alloys resolves thermal resilience and manufacturing complexity trade-offs.

A partially densified filtration layer retains ceramic particles during slurry injection into fibrous reinforcement.

A gas turbine spacer disk rim features alternating circumferential grooves that elastically deform under centrifugal force to close gaps between adjacent stage disks.

A dielectric elastomeric device expands within a thrust reverser cavity to block secondary flows and reduce total pressure losses.

Composite foam insulation encapsulates down conductors in wind turbine blades, resolving mass and reliability trade-offs.

Polygonal gas flow passage surfaces concentrate area between blades to reduce secondary losses and improve aerodynamic efficiency.

Canting the electrical machine axis perpendicular to the main shaft reduces radial footprint and nacelle drag while increasing torque density.

A support surface lowers dynamically during lifting to prevent object re-hits on moving vessels.

Electric winches draw cables to couple slings, resolving deck instability from waves without auxiliary cranes.