Engine Manufacture TRIZ Cases

A gear system mounted to a mid-turbine frame drives counter-rotating inner and outer turbine rotors.

A turbine disc deflector directs cooling gas flow into rotor blade channels to ensure uniform thermal management across the assembly.

Segmented heat shields accommodate thermal expansion through dynamic joints, preventing hot gas leakage and protecting engine casings from excessive heat.

Integrated rear panel and cascade elements eliminate separate drives, reducing weight while curved vanes optimize flow deflection.

Pre-curing adhesive bonds with localized heat stabilizes the internal web against thermal distortions during final curing, preventing delamination.

A bypass valve in the transition duct allows core airflow to skip the power turbine during ground operations.

Teeth insert into blade receptacles to transmit axial loads, lowering crane height requirements.

Defined aerodynamic coordinates balance airflow efficiency with manufacturing precision to reduce turbulence loss in low-pressure turbines.

Machining horizontal contact surfaces on precast concrete tower sections to achieve parallelism deviations below 0.2 mm for precise assembly.

Coupling assembly uses inclined insertion holes to transfer loads while protecting flange apertures from driving unit impacts.

Adjustable clamping arms and positioning pads accommodate varying blade dimensions, reducing the number of specialized jigs required.

Helix-angled gear surfaces generate axial force to retain the microturbine input shaft without set screws.

A perforated wall module houses a heat exchanger inside a recess to maintain acoustic surface area while enabling fluid heat exchange.

A rotor arresting device uses a toothed disk and engaging modules to constrain wind turbine rotation.

Conical seatings and a frangible pin constrain turbomachine stator vanes, absorbing radial stress to prevent damage from foreign object ingestion.

A segmented balsa wood composite connects rigid elements via flexible joints to adapt to curved surfaces without hollow spaces.

Flowforming and outwardly bending a preform eliminates welds in high-stress areas, reducing material waste and manufacturing lead-time.

A method hooks the nacelle roof and components to a single crane hook for simultaneous lifting.

Pre-reeved modules on a nacelle-mounted jib crane simplify installation, eliminating hazardous on-site sheave setup.

A hollow radial arm conveys secondary flow through an inter-wall space to dissipate heat from high-power components in the outlet cone.

A retaining mechanism with a slider track and locking assembly enables easy installation and removal of external flaps.

Segmented cooling channels and a collection plenum deliver targeted coolant flow to reduce leakage losses while maintaining rub tolerance.

Pre-installed messenger wires enable single-vessel cable pulling, reducing offshore operation duration and equipment damage risk during foundation installation.

Direct welding of thermoplastic airflow elements to wind turbine blades removes expensive adhesives and reduces assembly time.

Homogeneous CMC wedge dampers eliminate abrasive wear and debris generation while maintaining consistent damping force in high-temperature turbine environments.

An asymmetric three-legged foundation extends one leg upwind to counteract listing, reducing construction complexity while maintaining stability in deep water.

Segmented ribs with connector arms manage thermal expansion and reduce pressure bulging in gas turbine engine airfoils.

Radially rotating bleed doors pivot circumferentially to control airflow without requiring axial clearance.

Elastic seal members accommodate thermal expansion in gas turbine engines, preventing air leakage between structural members.

Two-stage turbine reheat cycle extends UAV mission duration by recovering exhaust energy.

Y-shaped internal ribs create asymmetric cooling passages that manage thermal expansion and reduce fatigue in gas turbine engine airfoils.

A hub mating mechanism guides and stabilizes blade roots during offshore wind turbine installation using adjustable buffer plates and spring dampers.

Merges compression, combustion, and expansion stages into one unit to reduce part count while maintaining high mass flow rates.

A flow metering tube bifurcates cooling airflow to a mid-turbine frame using adjustable apertures.

A supercritical carbon dioxide cycle powers distributed aircraft propulsors through a closed-loop fluidic system.

On-site prestressing of concrete mast sections enables real-time stress monitoring via sensors, countering creep and relaxation effects.

Integrated housing assembly merges towershaft and layshaft support to eliminate separate angled gearbox housings, reducing weight and complexity.

Tethered kite shield reduces ambient wind forces on lifted components, enabling safe operations during high wind speeds.

Segmented furcated passages direct impinging coolant to high-risk blade zones, reducing oxidation and extending component life.

Multiple outlet pipes reduce bearing distance to mitigate whirl vibrations caused by increased turbine capacity.

Variable rib inclination compensates for curved geometry, resolving inhomogeneous cooling and reduced heat transfer efficiency in gas turbine airfoils.

A stress relief protrusion modifies the radially inner surface of a gas turbine rotor disk to manage mechanical loads.

Rotating wind turbine tower sections redistributes stress, extending service life beyond initial design limits.

Distance measuring devices on partial support structures capture simultaneous upper and lower surface data for precise alignment.

Segmented gas turbine coatings use a mesh layer to allow water jet stripping of worn thermal and abradable layers without damaging the bond layer.

A baffle insert with trip strips creates vortices in cooling fluid passing through internal cavities.

Alternating radial vane insertion merges boundary structures to reduce device complexity and seal count in turbine engines.

An adaptive-curvature particle separator adjusts its inner wall geometry to separate suspended particles from inlet air streams.

Exothermic welding fuses lightning protection conductors to equipotential bonding elements in wind turbine rotor blades.

Lateral buoyancy offset tilts the floating portion for compact packaging, reducing assembly complexity during deployment.