Engine Manufacture TRIZ Cases

A turbine nozzle airfoil shape defined by Cartesian coordinates optimizes aerodynamic performance across varying operating conditions.

Integrating a peripheral groove with a local depression reduces weight and radial height while maintaining sealing reliability.

Airfoil ribs with connector arms and apertures form a cooling circuit to circulate air through rib passages.

Inter-spool clutch selectively couples spools for electric starting while decoupling them to maintain high speed spool responsiveness.

A multi-wall blade redirects cooling air through a serpentine circuit to the platform core for convection heat removal.

Variable radial displacement flow path geometry aligns fluid with fan blades, resolving surge margin limits while reducing shock strength.

A stability frame anchors to a wind turbine tower and uses outward guides to constrain the rigging assembly during offshore lifting operations.

A single-piece impulse turbine uses an open-bottom geometry to eliminate undercut features and reduce assembly complexity.

Inlet turning vanes with tab and slot configurations direct air flow into the heat exchanger to improve velocity profile uniformity.

Floating vessel with 3D-heave-compensated crane transports and assembles segmented offshore windmill components on existing pedestals.

Segmented cooling holes with diverging sidewalls expand fluid coverage while maintaining jet velocity for effective heat dissipation.

Flow displacement elements reduce cross-sectional area to enhance convective heat transfer and lower thermal stress in turbine airfoils.

A helical turbulator on the diffuser interior surface reduces flow separation, enabling potential energy recovery in a compact axial length.

An annular reflex member deflects fan flow to lower vent height and step drag in geared turbofan engines.

Chemical etching removes cracked binder from metal matrix composites while shot peening compresses ceramic filler particles to restore structural integrity.

Compressing cut blade sections into bundled units reduces the number of flatbed trucks required for decommissioning logistics.

Sheet metal seal biases into engagement with a ceramic blade track segment to block gas flow between the carrier and the shroud wall.

Gel aluminum slurry with halide activators coats honeycomb seals to resolve coating uniformity issues on complex geometries.

A variable nozzle mechanism minimizes clearance between annular members and levers to suppress vibrations and enhance wear resistance.

An axial convexity on the turbine housing volute extends beyond the outlet gap to reduce radial size and weight without compromising structural strength.

Vertically displaceable component platform positions wind turbine blade parts for precise attachment.

A turbine nozzle airfoil profile uses specific Cartesian coordinates to define a leaned section that enhances aeromechanics.

Single-member bushings restrain locking pin sliding and rotary movement, reducing assembly complexity while extending operational life.

Differentiated fillet heights at inner and outer platforms mitigate thermal stress cracking while maintaining throat dimensions and aerodynamic efficiency.

Routing the heating element second portion through a pivot bore and radial groove reduces mechanical stress on power cables during pitch changes.

Segmented leading edge device with integrally formed airflow modifying elements reduces manufacturing complexity while maintaining aerodynamic performance.

A connecting element with orthogonal walls transfers tensile loads through fastening openings to secure wind tower segments.

Radially outward ejection slots direct cooling air away from the hot gas path to reduce blade heat load.

An inner combustor case with cooling holes and passageways manages airflow to stabilize impeller axial forces while cooling turbine components.

Contoured matefaces direct cooling airflow along intersegment gaps to enhance film coverage on blade outer air seals.

A boltless interstage seal design uses radial tongue and groove connections to secure inner and outer rings without screws.

A split-zone T-tube divides a single cooling stream into segregated passages to independently manage temperatures across multiple turbine sections.

Geometrically configured coolant passages bias flow toward the hotter pressure side, reducing thermal stresses from uneven heating.

Integrating curved cross-ties into blade elements reduces vibratory stress and extends operational life.

Segmented baffles navigate narrowed convex airfoil openings to maintain constant stand-off distances for effective thermal management.

Dynamic shape memory alloy actuators adjust fan nozzle area and chevron geometry to reduce exhaust noise during takeoff without increasing drag during cruise.

Serpentine channels along turbine shroud lateral edges direct coolant through tortuous paths to enhance heat transfer.

Identical asymmetric floating bush bearings reduce co-rotation and manufacturing complexity while maintaining high-speed oscillation stability.

Independent winches compensate for vessel heave, enabling safe object placement without specialized vessels.

Integrated filler engages bushing cutouts to eliminate void spaces between adjacent root attachment assemblies.

Pressure welding joins gas turbine components while electrochemical machining removes material allowances without bending thin-walled structures.

Fastening means stabilize the rotor while tappet means slide the main bearing axially, eliminating the need to remove the heavy rotor assembly.

Undulating carrier profile positions conduits radially outward, reducing sealing complexity and material removal time while maintaining structural integrity.

Dividing the rear box into coupled segments reduces transportation width while maintaining structural integrity through integrated alignment mechanisms.

A multi-layer spring washer ensures axial fixation of variable turbine geometry cartridges while insulating bearing housings from exhaust heat.

Splices unidirectional fibre mats end-to-end to eliminate wrinkles and mechanical weaknesses at joints in wind turbine blade manufacturing.

Segmented L-shaped feather seals resolve air leakage between adjacent turbine blades while enabling material extraction for rotor balancing.