Engine Manufacture TRIZ Cases

Dynamic clearance between vanes and nozzle surfaces prevents binding under thermal stress while minimizing exhaust gas leakage.

Offset recessed sections lower the rub ratio during casing contact, decreasing material loss and maintenance costs.

Replacing rigid molds with disposable pre-cured laminate films eliminates bridging defects and reduces tooling costs while maintaining surface finish quality.

Fiber material patterns permanently identify gas turbine components, resisting heat erosion that damages conventional markings.

Defined by precise Cartesian coordinates, the optimized turbine vane profile reduces turbulence and improves mechanical durability under high temperatures.

An investment casting core embeds an alignment guide to position a coolant outlet opening within the mold structure.

Hydraulic jacks lift blades while cable climbers lower them to the ground, eliminating crane-induced imbalance and damage during maintenance.

Viscosity reducers transform thick paste into a thin gel, eliminating braze tape waste and ensuring consistent honeycomb coverage.

Segmented airfoil assemblies separate the inner and outer bands from the airfoil, reducing thermal stresses and increasing manufacturing yield.

A corrugated annular component supports turbine engine bearings through non-axisymmetric structural geometry.

A segmented turbine wheel design uses integral spokes to support a shroud component, enabling simplified casting and assembly of two main parts.

Stacking fiber layers with binders creates a mesh structure filled with filaments to resolve strength and manufacturability trade-offs.

An asymmetrical cooling hole design shifts the centerline aft to increase expansion area within turbine engine components.

A composite fan blade employs a wavy wall trailing edge cladding to manage wake flow impingement, reducing noise and aeromechanical loading.

Trenches on disk lugs direct cooling air inward to reduce thermal loads and extend operational life.

Segmented fibre layers in the spar reduce adhesive bond width while maintaining structural strength.

Segmented acoustic panels create radial clearance for fan extraction while optimized perforations minimize aerodynamic losses during operation.

A thermal bonding system using shrink foil secures vortex shedding elements directly to wind turbine towers.

A load-relieving device applies tensile force to wind turbine busbars, eliminating internal stresses during repair operations.

Rounded seal pin geometry in a gas turbine shank minimizes clearance gaps and reduces leakage flow without increasing device complexity.

A hydraulic drive mechanism engages a wind turbine brake disc to rotate the rotor assembly.

An asymmetric slot configuration with a cutout prevents axial seal movement, eliminating leakage gaps at trailing edges without welding.

Internal thermal regulators reduce heat transfer into acoustic honeycomb cells, eliminating bulky external blankets and lowering system weight.

Defined turbine blade profile minimizes turbulence and distributes mechanical stresses to resolve aerodynamic efficiency and manufacturing precision trade-offs.

Segmenting the vortex generator into a recessed platform and surface extension resolves connection stability issues while enabling adjustable retrofitting.

Elastic grommet secures gas turbine vanes via casing engagement, eliminating outer shrouds and adhesives that complicate maintenance.

Identical absolute curvatures between central and cover profiles enhance aerodynamic performance while managing geometric complexity.

A reversible sealing element separates fluidic chambers in a shaft connection to control oil flow based on rotational speed, preventing leakage at low speeds.

A swept-back wedge anchors oblique shocks and diverts boundary-layer flow to reduce separation, enabling higher back pressure in supersonic engines.

A forged piston features a concave spherical surface that absorbs load from a shoe component.

Variable radius contours on pre-diffuser struts disperse thermal expansion loads, reducing strain and internal drag losses in gas turbine engines.

Segmented electrical heating preserves airflow patterns and minimizes ice particle shedding while eliminating bleed air inefficiencies.

Lead ramp on bracket arm aligns cantilevered skins to lands, accommodating manufacturing tolerances without shimming.

Segmented platforms and rotating vanes resolve manufacturing complexity while maintaining structural integrity.

Sintered ceramic hollow microspheres form a porous matrix that reduces thermal conductivity and matches substrate expansion.

Hot-working and austempering ductile iron preforms creates ausferrite microstructures that overcome size limitations of conventional casting methods.

Specific Cartesian coordinates define stator vane airfoil shapes to reduce aerodynamic losses in gas turbine compressor sections.

A clamping element presses a bolt head against a base flange to secure wind turbine tower connections.

Asymmetric seventh-stage turbine vane geometry manages stress distribution and temperature variations to maintain flow efficiency.

A multistage robotic repair system uses deployable legs to walk along surfaces while switching end effector tools for diverse tasks.

Dynamic azimuth restriction system prevents rotor-crane collisions while maintaining full operational freedom when the crane is parked.

Segmented blade groups with movable attenuating elements detune characteristic frequencies to reduce resonance phenomena without increasing device complexity.

A turbine nozzle airfoil core profile uses precise Cartesian coordinates to define a smooth continuous arc shape that enhances aeromechanics.

A turbine nozzle airfoil profile uses precise Cartesian coordinate values to define its pressure side geometry.

Segmented microcircuits embedded in turbine blade walls reduce tip erosion and thermal load while maintaining low metal temperatures.

Segmented spiral modules and nested layers reduce weight while maintaining low pressure drop for gas turbine engine cooling.

Glass fiber FRP buoy structure withstands seawater corrosion while rack and pinion gears convert vertical wave motion into rotational energy.

A blade mould with a deformable root end section adjusts geometry to accommodate inserts and ensure proper fibre distribution during manufacturing.

A fan ramp integrates a stacked perforated layer and honeycomb core to attenuate bypass duct noise.