Engine Fuctions TRIZ Cases

Reactive agent in porous coating converts liquid contaminants to solid crystals, preventing infiltration and preserving strain tolerance.

Relief slits in stator segments isolate vibratory modes and absorb energy, preventing resonance damage.

A closed-circuit cooling system circulates liquid through a rotor-mounted heat exchanger to extract thermal energy from the generator.

Segmented showerhead cooling holes reduce metal temperature at turbine airfoil leading edges while lowering required cooling air flow rates.

Asymmetrical rotor blades optimize hydrodynamic profiles for specific flow directions in tidal energy devices.

Torque bushings with tabs secure exhaust duct liners by inserting fasteners from the interior, eliminating alignment issues and preventing fastener loss.

A standpipe assembly connects to a gas turbine starter housing to provide a dedicated gravity drainage path for lubricating fluid.

Radially extending fasteners enable modular disassembly of the fan drive gear system, reducing maintenance downtime while preserving engine structure integrity.

Segmented cover plate apertures direct cooling air to gas turbine engine airfoils, reducing temperature stress.

Common cooling air supplies a heating chamber that expands the turbine casing rapidly, reducing performance penalties during transient conditions.

A disengageable clutch isolates the manual drive unit from the motor shaft, reducing system inertia during maintenance operations.

Alternating water tanks move between reservoirs to drive a generator using gravitational force for electrical energy production.

A closed-loop power take-off apparatus circulates working fluid through a piston-cylinder mechanism to drive a turbine.

A keyhole-shaped slot on the inner platform decouples the vane tip from the trailing edge, reducing thermal stresses that cause cracks in thin trailing edges.

A steam turbine partition plate uses a vertical groove to self-align with an abutment surface during assembly.

Segmented pipes with embedded heating wires warm wind turbine weather masts, preventing ice accumulation that distorts critical wind measurement data.

Twisted wind turbine blades with serrated trailing edges reduce aerodynamic noise while compensating for lift loss through inflection points.

Tubular mast routes ventilation air through hollow CMC turbine blades, reducing differential thermal dilation and sealing defects.

Adjustable outriggers resolve the trade-off between adaptability and device complexity, enabling efficient energy capture across varying wave frequencies.

Sintered powdered support structures in a segmented planet carrier reduce gearbox weight by 30% without sacrificing strength.

A sliding anti-wear device accommodates differential thermal expansion between a ceramic vane and metallic support, preventing surface damage.

Merging the cooler with the reservoir eliminates separate components, reducing engine weight and assembly complexity.

Preheating steam pipes with compressed air eliminates condensation, reducing start-up time from thirty minutes to under three minutes.

A honeycomb acoustic element uses a dielectric barrier discharge plasma actuator to generate ionized air flows that resonate with and attenuate incoming sound waves.

Embedded heat pipes transfer thermal energy from motor stators to internal duct walls, resolving cooling complexity in hybrid aircraft engines.

A gas turbine low pressure compressor section employs a stage disabler and flow diverter to decouple the pressure ratio from power turbine capacity.

A submerged floating engine converts water level changes into mechanical rotation using buoyancy and counterweights.

Active clearance control system estimates thermal expansion to regulate casing cooling airflow.

Tapered shaft portions and radial oil passages repel microscopic contaminants from semi-floating bearing surfaces.

Segmented rotor vane attenuators dampen vibrations through extended contact surfaces between adjacent blades.

Recovered oil trickles down channeling members to lubricate splines, eliminating over-lubrication waste while maintaining reliable rotational guidance.

Dividing the tip shroud plug into multiple pieces reduces centrifugal swelling and creep deformation, extending component durability.

Hydraulically actuated bladder applies pressure to solid rocket motor propellant grain, inducing measurable surface deformation for mechanical property assessment.

Gravity-driven eccentric disk rotates within a sealed body to drive a gearbox, resolving maintenance difficulties caused by seawater exposure.

Angled resupply holes align cooling flows within airfoil passages, reducing pressure mixing losses and thermal fatigue.

A dual input drive accessory gearbox uses bevel gears to provide varied rotational speeds for aircraft engine components.

Controller varies electric generator loads to maintain axial force on gas turbine spools, preventing null load conditions that reduce engine efficiency.

A wind turbine blade bearing uses a circumferentially varying thickness in its outer ring to increase structural stiffness.

An aircraft nacelle anti-icing system uses a bellows coupling to connect ducts while forming an annular seal.

Kriging interpolation automates gas turbine operating point selection, resolving the trade-off between manual selection time and setting accuracy.

A castellated joint assembly uses an elongate resilient connection member to interlock hollow cylindrical components without threaded fasteners.

Radial coupling device moves auxiliary drive gear transverse to rotation axis, preventing clutch blocking and reducing wear during rotor positioning.

A braking assembly connected to a gas turbine low pressure spool applies opposing force to prevent excessive rotation during rapid descent.

A supercharger assembly integrates oil supply passages within the driveshaft to deliver lubricating fluid directly to the torsional damper.

Tower base heat exchange cools generator air without compressors, preventing salt damage.

Electroless plating on molded polymer substrates resolves the weight-strength contradiction in gas turbine engines.

Vertical wing structure oscillates in fluid flow to drive a ground-level generator via unidirectional rotation.

Segmented upstream and downstream optical sensors differentiate ice particle quantity and size to prevent fan accumulation.