Engine Manufacture TRIZ Cases

Rigid A-frame and vane structures increase moment stiffness ratios to manage torque loads from gear reduction mechanisms.

A transverse accessory gearbox aligns gear axes perpendicular to the drive shaft.

Segmented angel wing voids increase purge air swirl velocity, reducing mixing losses and thermal stresses in gas turbines.

A differential cooling system blows air through the exhaust frame struts and bearing tunnel to maintain shaft alignment.

An integrated inducer heat exchanger cools compressor bleed air using internal coolant flow through annular manifolds and transfer tubes.

Segmented flange apertures and intermediary fasteners enable precise weight placement for turbomachine rotors in limited access configurations.

Friction welding stainless steel to mild steel creates a corrosion resistant blade root insert that maintains structural integrity in harsh environments.

External frame resists internal pressure to eliminate fasteners, enabling tool-free disassembly and reducing leakage in viscous adhesive handling.

Dynamic rotor axis tilting prevents blade-to-tower collisions while maximizing energy capture across varying wind speeds.

Variable cross-sectional areas in the turbine center frame control airflow velocity to minimize frictional drag losses.

Infusing graphene foam with PDMS resin creates a conductive network that reduces power density while preventing particle agglomeration.

Co-molded thermoplastic blocker door assembly eliminates potting compounds to reduce weight and enhance noise attenuation in gas turbine engines.

A ceramic matrix composite vane arc segment features single-sided platforms projecting from the airfoil section to manage aerodynamic loads.

Hardened intermediate component creates high-friction coupling between wind turbine parts, solving load-bearing reliability issues under adverse conditions.

An asymmetric vane ring equalizes exhaust flow between volutes, reducing high cycle fatigue on the turbine wheel.

Bypass air cools the generator stator through a conductive structure, preventing overheating in throttle loss recovery systems.

A turbine rotor blade airfoil shape defined by Cartesian coordinates.

Lateral connecting rods pivot turbojet engine panels to distribute forces circumferentially and reduce structural axial loads.

A parameterization unit extracts identification data from installed components to generate specific control settings for a wind turbine.

A threaded rod and nut assembly lifts a wind turbine gearbox torque arm through aligned support structure holes.

Stator wall depressions divert fluid flow to reduce local loading, minimizing corner losses and secondary flows in aircraft engine compressors.

A variable nozzle unit features nozzle vanes with a cut face near the leading edge to create a larger gap with flow passage walls.

A rotatable access platform suspended below the nacelle bed frame enables safe personnel entry.

A counter-rotating turbine assembly with a reversing speed reduction mechanism distributes torque to reduce fan rotor rotational speed.

Segmented cavities use baffles to route cooling air toward under-cooled areas, reducing metal temperatures and thermal stresses.

Vortex device and acoustic liner suppress compressor stall resonance.

Segmented ceramic cores mold turbine blade tips, resolving manufacturing complexity while ensuring accurate geometry for efficient cooling passageways.

A removable steam inlet assembly detaches from the turbine casing to support lifting operations.

Nested loop cooling passages force air through peak thermal zones, reducing trailing edge temperatures and extending component lifespan.

Segmented pultruded rods conform to curved molds, resolving shape-conformance trade-offs while maintaining structural strength.

A turbine blade platform uses a non-axisymmetric forward face to direct purge air flow.

Varying trip strip heights generate turbulence to resolve platform cooling complexity and manufacturing constraints.

Ballistic cooling holes jet dilution air into the mainstream gas to cool turbine end-walls.

A compact assembly frame for wind turbine rotor stars uses a nested support arm to provide structural stability during partial blade attachment.

A repair method for wind turbine blades uses UV curable resin and reinforcing fiber to create a strong bond with the base member.

An inclined guide surface converts radial thermal expansion into controlled axial displacement, maintaining alignment precision in gas turbine casings.

Radial fixture arms position tower components simultaneously, reducing assembly complexity and time for wind turbine lattice structures.

Drill a core around the anchor bolt to create a cavity for inserting a replacement unit, avoiding full turbine disassembly.

A hybrid root bushing embeds a metal insert within fiber layers to transfer high loads via a double scarf joint.

Mating alignment members guide arcuate segment assembly, resolving structural integrity versus transportability constraints.

Tapered scarf joints align modular wind turbine blade sections to resolve joint durability versus weight trade-offs while maintaining aerodynamic smoothness.

Angled holes direct cooling air with matching angular velocity to the turbine disk, reducing leakage losses and improving engine efficiency.

A retractable rocket motor igniter uses a pressure compensation chamber to drive a movable spark plug between stowed and deployed positions.

Tangential feed channels induce cyclone flows inside mechanical component walls to enhance heat exchange between coolant and material.

Lowering the mast via a jacking mechanism reduces personnel exposure to harsh offshore conditions and dangerous heights during maintenance operations.

Radial inlet and exit angle variation in third and fourth stage turbine airfoils minimizes flow losses by controlling local Mach numbers.

Strategic cooling hole placement within protrusion wakes enhances convective heat transfer in gas turbine engine components.

Parallel tip shroud geometry aligns leading edge contours to reduce leakage and mixing losses in turbomachines.