Engine Fuctions TRIZ Cases

A gas turbine engine incorporates a boost spool to compress air downstream of the main compressor stage.

A circumferential trough intercepts oil leaking through bolted connections, preventing ignition risks in high-temperature turbojet regions.

A hydroelectric power device uses a bolt and L-shaped angle to clamp the supporting part against water channel walls.

Segmented turbine shroud uses tandem wire and rope seals to accommodate radial movement between carrier and blade track components.

A pivot inspection tool with extension members rotates between insertion and deployed positions.

Replacing roller bearings with slide bearings reduces maintenance complexity and failure probability in medium-speed wind turbine drivetrains.

A neutral turbine gearbox shifts shaft engagement to adjust torque and speed without a torque converter.

A uniaxial power converting drum drives a generator shaft via wire tension from floating buoys.

Radial and tangential sliding retention means on a composite fan platform enable low hub ratio assembly without creating sealing gaps.

Curved inlet duct design guides airflow smoothly around bends to prevent separation and engine stalling in aircraft propulsion systems.

Acoustic emission sensors detect solid particle erosion on turbine blades to evaluate damage in real-time.

Angled cooling holes direct film coverage to the airfoil tip squealer pocket, reducing thermal heat load and erosion.

Turbine shroud blade track segments feature rub indication surfaces at varying radial distances to enable visual clearance inspection.

Serial flow path through skin and wall passages reduces cooling air requirements by 30-50% while maintaining thermal uniformity.

A hydraulic conversion device drives water monitor oscillation using motive flow.

A closed Brayton cycle oxidizes dilute hydrocarbon streams without substantial combustion to add energy.

Electromagnetic radiation emitter illuminates condensation near a gas turbine engine fan inlet to enable optical detection via scattered light.

Serial cooling holes with varying diameters manage refrigerant flow through gas turbine ring segments.

Sequential valve opening prevents fluid overshoot during combustor purging.

Casting integral insert supports eliminates welding complexity and defects in high-temperature turbine vanes.

Segmented bypass valves enable rapid steam turbine startup while minimizing rotor stresses and reducing air emissions from low-load holds.

An electric motor drives an auxiliary pump to circulate lubricating fluid, preventing bearing wear during aircraft parking when the main pump is inactive.

A shaft decoupling system uses spiral ramps and rollers to convert rotational energy into axial separation force.

A hydraulic transmission controller executes a displacement determination algorithm to match net fluid displacement to demand.

An oscillator mounted on a turbine blade vibrates the surface to detach mineral scale deposits.

Dynamic air scoops separate cooling intake from thrust airflow, reducing fuel consumption and defrosting inlet lips.

Segmented cooling circuits direct coolant through dual-walled endwall passages, reducing thermal stress on turbine probes.

Segmented baffle sections with mating interlocks absorb compressor noise while maintaining assembly ease and reducing duct panel load.

An integrated in-pipe turbine generator resolves access difficulties for small installations by merging the runner and housing within standard pipe flanges.

Segmented guide vane elements with detachable interfaces reduce maintenance costs by enabling selective repair of damaged components.

A pivoting ball stop hanger connects exhaust duct liners to gas turbine structures via a spherical button and collar joint.

A rotatable valve with separate recesses manages exhaust flow distribution to optimize energy extraction and backpressure control.

A fan-tied inducer section stabilizes swirling airflow from the fan rotor, reducing inertia and improving operability of the low pressure compressor.

A conical flow deflection surface inside a vertical axis wind turbine rotor guides air to an outlet opening.

A fan-tied inducer section with a high-ratio gearbox eliminates swirling air from the fan, improving low-pressure compressor feeding efficiency.

A turbofan engine system uses variable pitch fan blades and interdigitated stator vanes to manage airflow geometry.

Magnetic suspension replaces mechanical work-at-height vehicles, reducing testing time and costs while ensuring secure electrical connections.

Integrating bypass ducts into the annular cowl support reduces weight and complexity by replacing separate VBV components.

Segmented immobilization hooks prevent rotation and escape of the retaining ring, ensuring blade stability.

An energy manager coordinates mechanical and air takeoffs to maintain stable surge margins during turbine engine operations.

A casting core uses a dissolvable centering means to align an alumina pin within a through-hole, forming a precise dust removal duct.

An adaptive cover opens cooling pathways on demand to manage localized overheating in industrial components.

Metallic diaphragm absorbs pressure differential forces to protect ceramic matrix composite sectors from exceeding permissible loads.

Segmented nozzle rings increase torque by distributing gas flow across multiple stages, reducing back pressure and component wear.

Segmenting the blade tip from radar absorbing material protects component integrity while maintaining electromagnetic absorption for radar stealth.

Enveloping fibre bands grip metallic inserts within wind turbine blade laminates to distribute mechanical loads across the root structure.

An ejector mixes high-temperature steam leakage with cooler downstream flow to enable safe reintroduction.

Injecting cabin air into the bypass duct reduces fuel consumption and pressure losses caused by inefficient energy recovery in traditional bleed systems.

Magnetic clearance control replaces mechanical honeycomb structures to mitigate fan blade damage while reducing engine weight.