Engine Fuctions TRIZ Cases

Valve stem acceleration reveals when a slave valve fully opens, enabling accurate steam valve wear checks without disassembly or turbine shutdown.

A curved deflector channel guides lubrication oil radially outward in a mechanical reducer gutter, reducing fallback, turbulence, and recovery losses.

Abutment faces retain the oil separator cover without bolts or welding, cutting assembly weight and simplifying maintenance.

Uses expandable flange-hole tensioning to correct tower ovality and align bolt holes for faster, safer wind turbine assembly.

Selected time-series segments paired with classification labels cut training data needs while improving decision speed and accuracy.

Rotating baffles on the fan drive carrier redirect expelled lubricant into fixed gutters, conserving oil momentum and improving recovery.

An elastic spring clip holds segmented BOAS mounts against torque, maintaining aft face seal contact and preventing gas path leaks.

A pin-clearance design based on gear deformation preserves planet gear bearing clearance at takeoff, reducing contact, friction, and heat.

A secondary gearbox reservoir stores oil above sump level so rotating gears can keep bearings lubricated during windmilling or pressure loss.

Recover wasted tank pressure by converting pressurized water into steam through fine bore channels, then feeding plasma reactors for hydrogen and oxygen production.

Rotating carrier baffles impart momentum to expelled lubricant, guiding it into a fixed gutter to improve turbine fan drive oil recovery.

Rotating oil directors steer expelled lubricant into auxiliary reservoirs, improving oil recovery and turbine engine efficiency.

A shear-pin decoupler disconnects the starter output shaft during overrunning torque, preventing turbine rotor overspeed and damage.

A dipstick-mounted piston switches between sealing and venting in an aircraft engine oil filler tube to prevent false readings and ease refilling.

Mass flow loss estimation lets gas turbine compressors adjust operating limits closer to surge thresholds, improving efficiency and power output.

A differential geartrain with electric machines enables bidirectional power transfer, power multiplication, and better distribution between turbine rotors.

A differential gear path lets a boost spool augment accessory and core engine power at low load while avoiding unnecessary losses at high power.

Hydrophobic or lipophobic coatings on turbomachine oil deflectors speed oil drainage, cut recirculation, and reduce oil consumption.

Stored pressure in an auxiliary tank keeps gearbox gears and bearings lubricated when the primary lubrication pump loses pressure.

A spring-backed oil accumulator keeps gas turbine transmission bearings supplied during inclined or negative-G flight while flushing limits oil heating.

Carrier-mounted oil directors spin expelled lubricant toward receiving surfaces and auxiliary reservoirs to recover and recirculate oil in fan drive gears.

Axial deflection of a planetary gearbox ring gear is converted into a pressure signal to calculate output shaft torque for aircraft propulsion control.

Load-absorbing spacers share tensile and bending loads in a gas turbine flange fastener, protecting the bolt thread and fitting tight casing space.

A rotating butterfly disc and link mechanism increases bleed flow area in gas turbine engines without the size and weight penalty of poppet valves.

An elastic-layer connecting head lets a tuned mass damper swing while preventing self-rotation, reducing wind tower resonance and oscillation.

A brake-fixed second input stabilizes blower compressor speed, avoiding bleed-air losses and reducing aircraft fuel consumption.

Flexible airflow manipulators mounted on a wind turbine tower segment redirect flow to suppress vortex shedding and tower vibration.

Coupling plates link the carrier plates outside the gear path, cutting planetary carrier weight while preserving rigidity in aircraft gear mechanisms.

Selected sensor time-series segments train multiple model instances faster while preserving decision quality with less data.

Floating flange engagement mounts forward and aft oil manifolds without bosses, cutting carrier machining, weight, and thermal stress.

A gerotor-driven ball screw with a piston lock moves thrust reversers between positions while removing the extra motor, weight, and space.

Spring and damping elements decouple a wind turbine drive connection to cut drivetrain vibration, fatigue risk, and noise.

A dual-diameter planet gear raises aircraft turbomachine reduction ratio while lowering bending moments through aligned bearing support.

A six o'clock auxiliary oil reservoir and pump maintain bearing and gearbox lubrication when primary turbine engine oil pressure is lost.

A biased seal member transfers lubricant across the rotating carrier interface to keep planetary gears reliably supplied in a turbine fan drive.

Fluid damping and flexible bearing support cut radial loads in an air turbine starter, extending bearing life and enabling higher shaft speed.

Recoverable SMA spacer deformation absorbs fan blade out loads, limiting vibration and preserving gas turbine component alignment.

A tuned gear mesh stiffness range helps an aircraft epicyclic gearbox absorb misalignment, improve load sharing, and limit torsional vibration.

Mahalanobis distance and SN ratio analysis reveal long-term plant trends across varied sensors while reducing manual monitoring workload.

Automatic inverter frequency setting uses pump model and pressure data to match flow and lift, cutting energy loss and manual adjustment.

Angled oil injection with expanding feed lines guides lubricant into high-load bearing zones, lowering temperature and power loss.

A pressure-differential piston valve bypasses the fuel-oil heat exchanger to stop Fuel-in-Oil leaks without adding engine mass.

A titanium pin with a hardened steel sleeve and oil holes cuts gas turbine gear weight while preserving surface hardness and wear resistance.

Separate annular scoops split oil flow between seal track cooling and bearing lubrication, improving sealing and reducing leakage risk.

An integrated attachment cover on the plain bearing reduces reducer assembly misalignment and helps maintain stable load distribution in turbomachines.

Chevron-enhanced plates and tapered manifolds improve flow uniformity, heat transfer, and fin protection in aircraft heat exchangers.

Sensor feedback adjusts a pressure relief valve in an aircraft engine lubricant reservoir to vent excess pressure across changing conditions.

A rated low-speed midshaft and gearbox mode spacing help turbomachines avoid critical-speed vibration and whirl instability at higher speeds.

Plate banks with inlet and outlet manifolds improve airflow and pressure control in aircraft heat exchangers, boosting cooling effectiveness.

A gravity-drained oil deflector captures sun gear oil and redirects it to cut recirculation, ventilation losses, and gear heating.