Engine Manufacture TRIZ Cases

A guided disassembly tool limits connecting member mobility to reduce manual intervention risks and improve wind turbine maintenance efficiency.

Variable thread geometry on a Holweck stator sleeve adjusts suction and compression capacities without increasing the axial extension of the pump stage.

A thermoplastic polymer composite wind turbine blade uses a weld-type interface to join panels and stiffening members.

Integrated support pins channel cooling air to manage thermal expansion mismatch between ceramic matrix composite and metallic carrier segments.

Radially offset parallel shafts reduce assembly volume to fit within tight aircraft nacelles while maintaining efficient power transmission.

A clamping member stabilizes a gas turbine tie rod through relative rotation and integrated cooling airflow paths.

A turbomachine blade root features an undulated radially inner face with alternating convex and concave surfaces to distribute material efficiently.

Removable sleeve assemblies extract from the housing to provide working space, enabling uptower repair without separating the upper and lower casing.

External brackets anchor stay cables to the tower wall circumference, resolving internal space conflicts while maintaining structural rigidity.

A gas turbine airfoil uses a cooling aperture with a shaped inlet to enhance airflow and improve thermal management.

Circulating compressor bleed air through a casing thick wall passage reduces thermal stress and maintains rotor blade clearance without adding external pumps.

A micro gas turbine flameless heater mixes ambient air with hot exhaust using air amplifiers for efficient heat generation.

Internal fastening units reduce wind exposure during assembly and enable safe removal without external access.

A sleeve in the longitudinal pin recess constrains tilting and resists surface pressures, eliminating auxiliary handling elements during assembly.

Radially displaced cooling passages in a tapered edge increase heat transfer contact area, reducing cooling air volume while maintaining component reliability.

Centrifugal weights on an internal retaining ring expand radially to compensate for thermal growth differences between the rotor component and the ring.

Curved lateral surface contours with defined radii reduce stress peaks while maintaining aerodynamic performance.

A flexible metal expansion joint accommodates thermal movement between turbine and diffuser ducts while draining wash liquids to prevent seal damage.

An elastic locking key presses a dovetail vane into a retaining ring groove, preventing vibration and wear damage on the compressor casing.

Specific X, Y, Z coordinates compensate for coating thickness and tolerance variations to preserve aerodynamic performance in gas turbines.

Nested mounts and anchors increase load capacity without removing old concrete, reducing time and capital expenses.

An actuation control system modulates turbine blade tip clearance using shape memory alloy wires and bias springs.

A reciprocating compressor employs a segmented support member to prevent magnetic flux leakage and reduce motor loss.

Tubular pipes with regular curves eliminate retention zones that cause coking in turbomachine flow limiters.

Machining angled upturn portions on angel wing seals allows axial and radial gap adjustments, preventing hot gas ingestion during temperature fluctuations.

Machine learning optimizes zone-specific heat delivery during composite curing, eliminating under-cured regions and reducing processing time.

A handling unit rotates wind turbine hubs during single-crane lifting, reducing the number of cranes required for assembly.

Circumferentially varying fan casing treatments integrate acoustic liners into slots to reduce operational noise while extending stall limits.

A three-layer gel coat, putty, and top coat system smooths wind turbine blade surfaces without secondary pore fillers.

A dual turn thrust reverser cascade system uses straight vanes, blocker doors, and turning doors to redirect bypass airflow for reverse thrust generation.

Bendable spreader wings press a flexible band against curved surfaces, resolving complexity trade-offs in automated wind turbine blade servicing.

Segmented spar cap assembly joins blade sections with adhesive and dowel pins, reducing installation complexity while maintaining structural integrity.

An integrated lifting device eliminates crane dependency to enable blade assembly in stormy conditions, reducing downtime.

A fan drive gear system uses an asymmetric journal bearing mounted on a torque frame arm to eliminate the carrier component and reduce weight.

Propulsion assembly uses thermal radiation through a pierced nozzle wall to preheat fuel, reducing noise and emissions without drawing combustion gases.

A convergent upstream and non-convergent downstream primary conduit geometry directs sampled air from the hub to the intermediate casing space.

Crenelated turbine nozzle flanges reduce thermal stress by allowing differential radial expansion and contraction of the outer band.

Serpentine cooling architecture directs mixed airflow through hollow struts and fairings to cool turbine exhaust components.

A distributed propulsion system transports high-energy working medium through pipes to drive propulsors.

Segmented prefabricated concrete sections reduce steel costs and simplify transportation for taller wind turbine towers.

Axisymmetric endwall contours reduce heat load failures and improve durability by optimizing aerodynamic flow patterns in turbomachines.

An actuation control system moves blade outer air seal segments radially to reduce hot gas leakage while preventing blade rubbing during thermal expansion.

A potential equalization arrangement connects conductive elements within a wind turbine rotor blade using a high-conductivity rail and tolerance compensating disc.

Segmented turbine cooling manifold with abutting flanges directs air through internal channels, reducing component count for easier installation.

Asymmetric angled outlet guide vanes resist rotational shear stresses, reducing deflection while supporting accessory drive gearboxes on the fan case.

A sinuous tube air cooler increases heat transfer efficiency while reducing foreign object damage risk in gas turbine engines.

A turbine airfoil clocking method positions wake flow entry points at mid-channel locations between downstream blades.

Varying fiber orientation at pin joints manages shear loads to improve wind turbine rotor blade structural integrity.