Engine Manufacture TRIZ Cases

A blade lifting device uses an internal backing member and connector rod to create a secure attachment point for safe rigging engagement.

Adjusting relative component height during staged fastener removal prevents rotational misalignment and contact damage in large gas turbine engines.

Angled resupply holes align cooling flow with downstream air, reducing pressure losses and thermal strain in gas turbine blades.

An inductive auxiliary transformer transmits shore power to a turbine clamp via an export cable, eliminating onboard battery systems and simplifying deployment.

A vertical axis wind turbine uses self-orientating blades to switch between drag and lift forces during rotation.

Rotatable parts prevent segment collision and scratches while ensuring precise alignment during wind turbine installation.

Flowpath control mechanism selectively restricts fluid flow through a secondary engine core to adjust effective engine size.

Metallic carrier segments and threaded shafts secure ceramic matrix composite blade tracks within gas turbine shrouds.

A profiled annular passageway modifies fan flow upstream of a bifurcation to reduce peak-to-peak static pressure variation and improve aerodynamic efficiency.

Internal cooling airflow paths extend through the metallic support to cool the CMC blade tip, reducing material loss from wear.

An annular bypass duct with introduction and ejection openings removes foreign matter from combustion air, eliminating complex control systems.

Defined airfoil profiles manage high temperatures and structural integrity while reducing manufacturing complexity.

Optimized seal hardness resolves the trade-off between precise blade alignment and necessary circumferential displacement during engine operation.

A U-shaped seal uses a sealing lip and hooking means to secure the component.

Segmented serpentine passages leverage centrifugal forces to pump cooling air toward the tip, preventing hot spots while minimizing pressure losses.

Swirl-inducing gas mixing device draws chamber air into hot gas jets for uniform surface heating.

Adjustable gripping elements adapt to various tower diameters, reducing installation time and costs.

Scaled Cartesian coordinates define the airfoil profile to reduce flow separation and improve engine power capability.

Varying diffuser radii of curvature around the nacelle circumference blends inner wall shapes to reduce flow asymmetries at the fan face.

An oval steam turbine casing design increases lateral forces at the split line to reduce leakage and prevent explosive risks from high internal pressure.

Internal rope guidance stabilizes blade movement during offshore connection, eliminating jack-up vessel requirements.

A dynamically adjustable platform switches between open and closed configurations to navigate obstructions and stabilize during maintenance work.

A hingeable wind turbine tower pivots between vertical and horizontal positions using a lifting outrigger and cable system.

Distinct outer ends on aerofoils detune eigenfrequencies, suppressing flutter while maintaining aerodynamic efficiency.

Segmented convexed and concaved end walls suppress secondary flows and horseshoe-shaped vortices to reduce total pressure loss.

An undulated expansion seal segments the airfoil cavity into sub-cavities, replacing heavy cast ribs to reduce weight and simplify manufacturing.

A composite hollow blade uses a grid core structure to achieve required stiffness while reducing overall weight.

Pressure-relief section vents explosive gas via a weak clinch joint to prevent housing rupture and protect workers.

Segmenting the bulkhead into multiple openings improves rescue efficiency and safety without requiring separate structural platforms.

Segmented inner and outer supports accommodate differential thermal expansion to maintain blade tip clearance.

Actuators on winches adjust tag lines to compensate for wind and wave forces, maintaining precise burden positioning.

Segmented hanger portions with differential thermal expansion properties maintain clamping force on ceramic matrix composite shrouds to prevent leakage.

Integrated cooling channels direct air jets onto turbine vane surfaces to eliminate thermal stress and airtightness issues from separate inserts.

Optimizing chord slope and radius of curvature in the transitional region reduces structural loads and noise by minimizing flow separation at high wind speeds.

Locally stiffened mixer lobes break problematic resonant mode shapes to reduce vibration-induced displacement and pressure losses.

A blade platform with a substantially double-C shape distributes contact forces symmetrically during thermal expansion.

Segmented protrusions and recesses in the inner shroud enable radial sliding, preventing rotor disk collisions and bending stresses during operation.

Composite panels with integrated fireproof and acoustic layers protect gas turbine inner bypass ducts from thermal hazards and noise.

Preformed protective shield with alignment marks resolves positioning accuracy issues on wind turbine rotor blades to enhance aerodynamic efficiency.

A turbine nozzle suction side bulge enhances root reaction to reduce secondary flow loss and improve last stage efficiency.

A wind turbine nacelle structure connects to a main bearing housing via an elevated second joint that integrates the housing into the primary load path.

Stacked feather seals with offset cooling holes prevent airflow restriction during thermal shifts, reducing corrosion on gas turbine vane segments.

Segmented tower parts use thick aperture plates for strength and magnetic fixation for accessories, reducing material weight and manufacturing complexity.

Circumferentially varying outer periphery design reduces rotor blade vibratory stresses by 10-20% through asymmetric pressure field mitigation.

A wind turbine blade mould assembly incorporates a clearance region between the metallic lightning receptor and the mould surface.

A buoyant winching device deploys export cables to submerged power connectors, resolving alignment complexity and improving deployment reliability.

Decreasing channel cross-sections from upstream to downstream boost coolant velocity and heat transfer, addressing rising fluid temperatures.

Acute angled vanes reduce aero-mechanical stress and extend blade lifespan by distributing loading across turbine blades.

One-part casting process creates a lightning receptor with adhesive bonding surfaces and protective legs for secure mounting.