Engine Fuctions TRIZ Cases

Guide members, lift points, and a trolley rail separate turbomachine exhaust frame shells with precise alignment and no crane.

Neural compensation corrects gas turbine inlet estimates when sensors drift, improving transient engine control accuracy and fault accommodation.

Integrated lifting elements and spacers lock in fastener preload, reducing self-loosening, weather sensitivity, and maintenance in wind turbines.

Dual seals, axial bores, and a stationary collection path return leaked lubricant in a tilted wind turbine slide bearing to cut leakage and upkeep.

A single-layer amorphous carbon coating cuts plain bearing wear and sliding friction in aircraft engine vane mechanisms while simplifying manufacture.

Dual-diameter planet gears raise turbomachine reduction ratio beyond 5 while reducing planet gear moments and bearing loads in a compact layout.

Precise guided cutting and matching core plugs restore panel strength and acoustic performance without blocking honeycomb cells.

Balanced twist and radial tensile stiffness in the carrier prevents planetary pin misalignment under torque and centrifugal force.

Baffles and ramped channels split lubricant in a turbofan fan drive gear system to maintain lubrication while cutting windage and churning losses.

A spring-preloaded cam unlocks a thrust reverser actuator under high load, cutting electromagnet bulk while preserving reliable deployment.

K-fold validation and historic test data speed gas turbine part assessment by identifying functionally acceptable dimensions beyond nominal limits.

An independent oil cooling loop keeps high-speed turbomachine bearings cooled even if the equipment lubrication circuit is interrupted.

Historic CMM data and K-fold validation screen gas turbine parts for functional tolerance, reducing false rejects from geometry-only checks.

A flexible annular mount with damping pads or oil film stabilizes a turbine planetary gear carrier while limiting vibration and torsional loads.

Measures ring gear and pinion backlash at multiple times from pinion rotation and load sensing, helping track wear and plan turbine maintenance.

A thin-walled flange ring absorbs sun shaft floating shift in a wind turbine gearbox, removing spline friction, lubrication, and cooling needs.

Bolted butting surfaces replace the heated interference spline between the sun shaft and planet carrier, cutting assembly cost and field work.

A flexible sleeve and sliding layer absorb tooth and carrier deformation, reducing stress peaks while preserving compact gearbox space.

Selectable gear ratios replace the torque converter in a turbine-driven pump, cutting heat and fuel use while handling variable torque.

A wedge-expanded connector forms pretensioned joints with less material and tool weight while improving fatigue resistance in large assemblies.

A carrier-mounted lubricant strainer and supply conduit improve planet bearing lubrication while reducing gearbox weight, space, and maintenance burden.

Adjustable torque support counters gravity and wind-driven loads in industrial transmission shafts, cutting bending stress and wear.

Metallurgical bonding forms 0.005-inch BOAS cooling passages without distortion, reducing thermal gradients and extending part life.

A shaft-driven flinger propels oil, air, or lubricant mist onto bearings, cutting pump, plumbing, and seal complexity in gas turbines.

A two-piece ring gear with direct shaft coupling removes spline wear and deflection, improving turbofan balance, durability, and heat control.

A shaft-driven persuader sends air, lubricant, or oil mist onto bearings, cutting heavy pressurized plumbing, seals, and cost.

An asymmetrical collar channel redistributes press-fit loads to cut edge contact pressure by 40%, enabling smaller, lighter epicyclic gearboxes.

A planetary geartrain with turbine-driven ring gear and carrier-coupled propulsor enables flexible power split for thrust and lift.

Interconnected epicyclic gears replace clutches to shift between horizontal thrust and vertical lift while improving power distribution and wear control.

A heat pipe built into the stator vane cools internal turbomachine fluid through airflow while avoiding leakage risk and added aerodynamic drag.

Shaft geometry and material tuning raise low-pressure shaft critical speed above redline to avoid first-order bending vibration.

Tilted main bearing seals and axial bores collect leaked lubricant and return it to the circuit, reducing fluid loss and maintenance.

A geared turbofan carrier drives fan reduction and mounted accessories while a flexible coupling absorbs misalignment and maintains engagement.

Waveguide sensing detects thrust cross-over in turbomachines, enabling pressure control that prevents bearing skidding and stiffness loss.

A convex pivot-orifice interface redistributes contact pressure in turbomachine planet carriers, limiting end stress from misalignment.

Offset linkage shafts and a gearbox transfer torque between actuators to keep thrust reverser motion synchronized in tight aircraft spaces.

Excess fuel pressure drives a return turbine that powers cooling air compression, recovering wasted energy in gas turbine engines.

Switching between 1:1 and 3:1 low spool drive ratios narrows motor-generator speed demands and reduces thermal management load.

A biased seal member transfers lubricant from a stationary supply to a rotating planet gear carrier, improving lubrication consistency in turbine engines.

A thin steel tube with fibre windings lets the accumulator bend with rotor blades and recover shape, preventing balancing connection failures.

Lubrication conduits feeding bearing race relief channels help an IDG drive gear extend bearing life while maintaining rotor speed control.

Hollow tooth elements and a cam-driven layout cut transmission mass and improve NVH while handling high wind turbine torque.

An integrated screw plug inside the gearbox corrosion inhibitor container prevents commissioning delays while maintaining corrosion protection.

Conical bushings and layer-spring elements let two-blade rotor hubs absorb axial and radial loads in less space while enabling reversible pendulum motion.

Sensor-guided ring gear rotation corrects reduction gearbox misalignment, cutting gear tooth wear and bearing stress.

Fore and aft ring gear baffles guide oil through the planetary gearbox to cut windage, lower oil temperature, and maintain torque transfer.

A pre-pressurized auxiliary tank keeps gearbox lubricant flowing during pump failure or pressure loss, protecting engine components.

Maintaining planet gear-to-pin clearance during takeoff with controlled lubrication reduces metal contact and improves geared turbine reliability.

Compressed air creates a pressure differential across a shaft-mounted piston to preload thrust bearings and cut aircraft engine noise and vibration.

A containment cavity and evacuation passage remove contaminants and condensation before filter loading, cutting gas turbine actuator maintenance.