Engine Fuctions TRIZ Cases

A retaining ring secures fasteners within annular passages of a wind turbine rotor hub and pitch bearing race.

A hydro-pneumatic pistol grip drive rotates a threaded insert through a guide bushing to install interference fit components.

An adapter element connects upper and lower transport frames to distribute vertical loads across auxiliary elements.

Lasers and spectrally-sensitive cameras analyze Rayleigh scattering in engine exhaust to measure mass flow and thrust directly during flight.

Bottoming cycle performance models establish baselines and thresholds to identify specific component degradation within integrated combined cycle power plants.

Downstream oil supply directs lubricant to trailing edges of bearing pads, preventing air incorporation that reduces dynamic pressure and load capacity.

Airfoil design sets radial span and chord length to target resonant frequencies, reducing high cycle fatigue risk.

Segmenting the power cycle from thrust generation eliminates CO2 emissions while maintaining altitude-invariant thermal efficiency.

Centrifugal force drives air through fairing ducts to cool dampers, preventing overheating while maintaining aerodynamic enclosure.

A turbine rotor blade uses a flow accelerator within the tip cap passage to deliver cooling air directly to the blade tip region.

Segmented sail structures on a perpendicular-axis rotor improve energy conversion efficiency while maintaining structural stability against transient loads.

Aircraft propulsion system merges condenser and recuperator into single unit to recover thermal energy from engine exhaust gases.

Automatic thrust reverser control system estimates wheel adhesion to modulate reverse thrust generation during landing.

Interlocking frames nest vertically to reduce marine stacking space while eliminating land transport fixture changes.

Optical measurement analyzes blade spacing variations to detect seal pin migration and prevent mechanical stress during turning gear operations.

Protrusion engages variable-diameter aperture to distribute contact stress, reducing fretting and extending component lifespan under high temperatures.

Integrated clip and hoist bracket resolve the contradiction between structural strength and ease of operation during aircraft maintenance.

Cap directs heated fluid upstream into airflow to prevent ice buildup and thermal distortion on turbine filters.

Flat hub contour design reduces blade neck length, lowering rim load and engine weight while maintaining operational performance.

Closed-loop control of the starter motor resolves suboptimal performance and reduced engine life caused by absent feedback mechanisms.

Segmented radial support assembly with shims reduces rotor dovetail stress while maintaining axial retention for steam turbine buckets.

Adjusting line voltage regulates turbine speed while maintaining minimum levels to detect faults and extend cable lifespan.

Dynamic ballast adjustment and storm submergence resolve the stability versus weather adaptability contradiction in wave energy platforms.

Intentional mistuning of a bladed disc separates deformation waves to stabilize the turbomachine against flutter.

A processing device calculates a power setting parameter from pressure and temperature ratios to determine shaft power.

Movable cascade vanes and tilting flaps store outside the fixed casing to reduce nacelle length, minimizing aerodynamic losses.

An adaptive heat exchange system dynamically routes cooling air between fan bypass ducts to optimize thermal management.

Intermediate carrier with axial pins couples ceramic matrix composite blade track segments to metallic carriers.

Segmented hollow stiffeners prevent resonance without excessive weight or space usage.

A compact rotary power take-out uses an in-line concentric mechanical spring to resolve the contradiction between high spring force and low system weight.

Annular steam supplementing chamber mixes leakage and supplemental steam to eliminate vibration from throughput differentials.

Probabilistic feedback minimizes firing temperature variations by aligning actual power output with nominal targets under varying ambient conditions.

An asymmetric structure inside a turbofan auxiliary duct mitigates acoustic resonances by generating higher pressure losses for reverse flow than forward flow.

A floating offshore power generator stores sea water in elevated and low tanks to drive a turbine.

An intermediate ring with inner channels circulates heat transfer fluid to cool the connection between a combustion chamber and divergent section.

Rotor blade tip shroud directs coolant flow through integrated passages to adjacent fillets for effective impingement cooling.

A gas turbine engine transfers mechanical power between high-pressure and low-pressure spools to adjust compressor speeds.

Hydraulic actuators drive a locking pin into a disk recess, eliminating manual handling errors during maintenance.

Axial springs accommodate differential expansion in removable hub sections, reducing thermal stress while maintaining structural integrity.

Segmented inner ring with radial vane bearings supports guide vanes without elastic deformation, preventing flow losses and efficiency impairments.

A wind turbine yoke connects the blade portion to the rotor via a flexible membrane that accommodates offset rotation axes.

Segmented inlets with fixed restrictors control clearance by managing thermal expansion, avoiding complex valve mechanisms.

Airfoil design sets resonant frequencies to 1049 Hz and 1271 Hz, preventing high cycle fatigue cracking.

A three-dimensional woven fibrous preform integrates distinct fiber textures to form a hollow aerodynamic profile for turbomachine blades.

Cooling air flows through distributor blade cavities to the annular space housing suspension hooks.

Recessed cooling channels embed tubes near turbine corners to reduce coolant consumption and prevent oxidation cracking at high-thermal-load edges.

A mold assembly uses uncured material in receptacles to form solidified pins and a cavity layer.

Integrating oil baffles and spray bars into a unitary carrier eliminates separate assembly steps while ensuring effective lubrication of epicyclic gear trains.

Varying airfoil wall thickness reduces frictional heating in cooling holes to improve film cooling effectiveness.

A thrust reverser uses a drag-less linkage to move blocker doors without obstructing bypass airflow.