Engine Fuctions TRIZ Cases

A geared low-pressure turbine uses a 2.2-3.3 annulus area ratio to keep stage count low while improving efficiency and compactness.

Modular frames let wind turbine components fill sea shipments, then split into road-legal loads to cut port transfer time and structure weight.

CMC turbine parts cut cooling flow while a reduction gearbox slows the fan, improving gas turbine efficiency and reducing engine mass.

A flange-mounted heat exchanger in the tertiary flow improves oil cooling while easing assembly, maintenance, and fire shielding.

Double-stage cooling with cavities and channels helps turbine ring segments withstand higher inlet temperatures and protect adjacent surfaces.

A gap region and low-conductivity diffuser plate limit compressor-to-motor heat transfer, preserving motor performance and easing cooling load.

Interconnected pivoting bars replace a rigid control ring to open turbomachine discharge doors uniformly with less bulk and complexity.

Variable-speed cooling fans use compartment temperature feedback to ventilate a turbine generator after shutdown and prevent heat buildup.

Spark plugs in hydrogen retention zones continuously burn leaked dihydrogen before explosive pockets form in aircraft turbine engines.

Heat transfer, geothermal boreholes, and resistor heating keep high-density pumped hydro fluids in range to stabilize viscosity and storage efficiency.

Closed-loop hydraulic cooling uses hydrogen and secondary-fuel heat exchangers to manage temperatures, limit leak risk, and support dual-fuel actuators.

A mode-switching controller holds blade pitch steady and uses secondary thrust effectors to cut steady-state actuator wear.

Varying baffle hole areas balance compressor bleed air flow and pressure, helping gas turbines supply aircraft air without eroding stability.

A circumferential insert between adjacent blade platforms damps turbomachine vibration by friction without torsion prestress or excessive static stress.

A tapered leading-edge cavity, baffle, and purge cavity keep turbine vane cooling air moving particles out to prevent blockage and hot spots.

Elastic eddy current belts scan many aircraft engine blade trailing edges in one pass, improving contact, sensitivity, and inspection speed.

A retrofitted gas turbine decouples compression from generation, using stored compressed air and bypass paths for flexible peaking power.

Variable-geometry thrust links with bumpers, inserts, and a viscous damper broaden vibration damping across LPT and HPT resonance ranges.

Channels linking a blind hole to blade surfaces enable vacuum infusion fastening of joining inserts with simpler tooling and reliable sealing.

A movable confluence plate shifts axially to vary bypass ratio, improving primary-secondary stream mixing across flight regimes.

Cold-section pressure, temperature, and fuel-flow sensing synthesize engine output power without hot-section instrumentation.

A rotatable shield hub automates probe protection and exposure during gas turbine icing tests, avoiding manual removal and retesting.

Staged motor activation, fuel injection, and heat recovery heating speed two-stage gas turbine startup while limiting peak emissions.

Periodic normalized lubricant measurements across each engine cycle improve gas turbine oil consumption tracking despite unrecorded additions.

Permanent bypass lines route HRSG steam blow cleaning to the condenser, cutting temporary piping, noise, and commissioning time.

A fuselage-mounted intermittent combustion engine drives variable-speed propulsor rotors to cut fuel use and servicing cost at high altitude.

Climate sensors estimate insulation resistance to decide dry-out completion, enabling safe wind turbine restart with less downtime.

A geared fan and direct-driven booster split turbine speeds to improve fan efficiency without restricting booster airflow or adding compressor stages.

Integrated heat exchange faces in aircraft housings use ambient airflow to cool internal units while limiting heat transfer to the interior.

Adjustable vanes and a translating conveyor maintain contact with wave peaks to improve kinetic energy transfer and usable power output.

A pivoting turbine nacelle moves between submerged and raised positions to cut draft and drag while improving marine maintenance access.

Diverted compressor bleed air bypasses the core and feeds the power turbine to cut cruise fuel burn, boost thrust, and limit erosion.

Uses power or motor current feedback to update pump model curves automatically, keeping sensorless operating point control accurate over time.

Heating and infrared imaging expose adhesive bond defects at wind turbine blade leading edges with faster, more consistent inspection.

Corrugated converging heat exchanger plates improve aircraft cooling airflow transfer while reducing cantilever plate resonance and vibration.

A seal plate and crush seal isolate cooling air paths around the spar leg while accommodating CMC-metal thermal expansion mismatch.

Recovered condenser water is preheated and evaporated for steam injection, boosting compressor efficiency and turbine mass flow.

Primary and secondary bypass airflow routes cut particulate ingestion and fuel burn while protecting turbine parts from thermal stress.

Sensor-based tracking identifies which wind turbine ring gear teeth carry load and for how long, enabling damage probability and lifespan prediction.

A dedicated support member limits compressor case movement and moves plumbing access upstream to improve compression efficiency and maintenance.

Electrostatic charging at the compressor inlet diverts sand and dust into the fan duct, reducing core-path erosion, corrosion, and clogging.

A triangular cooling cavity formed beneath CMC flanges during layup cuts thermal gradients and stresses in thick load-bearing regions.

A one-way fan brake blocks reverse windmilling to protect gearbox lubrication and avoid heavier auxiliary lubrication hardware.

Turning vanes and shrouds guide bypass-duct air through and around the heat exchanger to cut separation, mixing loss, and pressure drop.

Adjusting bristle or serration density on the outer rotor blade helps recover lift and induction at low-air-density sites while reducing noise.

Radially guided protrusions let the seal carrier move axially, cutting leakage and part count in turbomachine sealing.

A split exhaust path and buffer fluid recover turbine exhaust heat for fuel preheating while limiting back-pressure and fire risk.

Sensors link applied load to specific ring gear teeth, improving damage probability estimation and lifespan prediction in wind turbine drives.