Engine Fuctions TRIZ Cases

Monoblock casing with integral oil channels reduces assembly time and weight while maintaining reliability during negative-G flight.

Cooling system maintains water temperature within a predefined range in aircraft propulsion systems.

A hybrid turbine rocket combined cycle engine integrates shaftless turbomachinery with electric magnetohydrodynamic acceleration for hypersonic flight.

A multi-axis turntable wind turbine uses segmented planet airfoils rotating around a stationary sun rotor to capture straight flowing wind.

A distribution duct guides flue gas from a new high-efficiency gas turbine to existing heat recovery steam generators in combined cycle plants.

Radially-elongated cooling passages with sloped diffuser orifices enhance film cooling coverage on turbine airfoils.

Engine carcass stiffener distributes high maneuver loads through longitudinal reinforcement members and bushing holders.

Radial bearing surfaces and axial bolts immobilize counterweights independently of connecting flanges, eliminating manual balancing errors.

Gravity weights push curved blade sections against lateral guides to minimize railway clearance overhang during transport.

Centrifugal projection from a trunnion drop-launching extension prevents oil backflow and fume formation at low engine speeds.

Swept surfaces meet at an arc aligned with a stiffening member to reduce stress concentration and minimize nozzle-to-nozzle interference.

A thrust reverser system uses recessed slots in blocker doors to stow pivotable linkage mechanisms during normal engine operation.

Nested sleeves shield the spring from slider seals, resolving the contradiction between easy manipulation and seal reliability in engine borescope assemblies.

Monitoring device extracts wind gusts from speed waveforms to calculate cumulative machinery damage degrees.

A flexible seal carrier structure accommodates varying piston gaps and rough surfaces in hydraulic cylinders, preventing fluid leakage under high pressure.

An aircraft engine air filter uses a movable shutter to bypass the filtering element during high altitude cruise.

Replacing welding repairs, a segmented cobalt alloy wear insert prevents notch wear and maintains rotational stability in low-pressure turbine sectors.

Sliding clamped liner segments eliminate hammering wear and gap opening from thermal expansion.

Predictive control adjusts gas turbine exhaust temperature to satisfy steam turbine roll-off permissives, reducing start-up time and emissions.

Segmented turbine rotor design directs cooling gas to distinct cascades via separate passages, reducing counter-pressure while maintaining blade temperatures.

A fuel preheater uses blended high and low pressure feedwater to raise fuel temperature before combustion.

Stored compressed air injection maintains stable base load operation during peak demand, eliminating maintenance costs from frequent cycling.

Segmented shroud design manages thermal gradients on ceramic-matrix composites using localized cooling zones.

Segmented ceramic air seal segments mount in a metallic carrier with press-fit pins to manage thermal expansion and mechanical loading.

Angular displacement of turbine stator vanes aligns degraded zones with cooler engine sections to extend component service life.

Dynamic pressurization control reduces energy consumption and housing joint damage while preventing water droplet intake.

Modular buoyant bodies couple individually to a lifting device, enabling scalable capacity without demanding stable structures or complex geographical features.

A metallic carrier with radial hooks engages a support structure to mount ceramic matrix composite seal segments.

Moving push-pin lands to BOAS segment ends enables trip strips, reducing thermal mechanical fatigue and extending component lifespan.

A segmented blade insert creates a double shear joint for efficient load transfer between laminations and the hub.

Ambient air cooling system reduces turbine blade metal temperatures using optimized internal channels.

A turbine vane inlet passage uses a contoured protrusion to guide cooling air into the inner chamber with minimal flow restriction.

A cleaning nozzle penetrates a detachable valve lid to supply liquid into the steam turbine chamber, reducing device complexity and maintenance costs.

A cryogenset evaporates liquid nitrogen using turbine exhaust gases to drive an expansion turbine for electricity generation.

A split axial-centrifugal compressor uses a variable-ratio unit to drive stages at independent speeds.

Safety apparatus containing energy release from rotor assemblies using containment members to withstand failure forces.

Load path forming regions between arcuate and extending shroud portions distribute radial forces, reducing stress on the inner shroud.

A heat shield protects the flexible sealing element from high temperature combustion gases, extending service life while maintaining sealing effectiveness.

Separate intercooler mounting on offshore gas turbines uses flexible connections to accommodate structural misalignments.

Metallic structural rods shielded within ceramic matrix composite airfoils transfer seal panel loads to the turbine case, reducing bending stress on vanes.

A modular generator module uses a belt pulley transmission to enable flexible nacelle arrangement.

Multiple outlet ports spray fluid across compressor blades, resolving insufficient cleaning effectiveness caused by gravitational and centrifugal forces.

Consolidated air extraction and independent casing heaters resolve complexity and weight trade-offs while preventing blade contact during hot restarts.

Compressed air drives pistons to pressurize water, eliminating uphill pumping losses while coal combustion residue insulates the cryogenic storage.

Discrete cooling holes in the end wall direct airflow to reduce thermal load and lower compressed air consumption.

Axial partition walls prevent hot gas recirculation in turbine airfoil trailing edges, improving cooling efficiency while maintaining structural integrity.

Piezoelectric layers adjust blade tip clearance to reduce fuel consumption while preventing rubbing during transient maneuvers.

Calculates individual power ratios for each stator wire to identify faulty phases, eliminating threshold dependency and reducing service downtime.

An inclined bottom surface in the turbine housing directs condensate water to an exhaust outlet, preventing blockages that compromise rotary shaft reliability.