Machines/Engines TRIZ Cases

A fuel filter insert integrates a water separating unit within the main filter element to coalesce dispersed water droplets for efficient removal.

An inlet opening device separates sealed sheets at the air inlet using a tensioning member to enable effortless inflation.

Oblique end faces and a compressible section align tubular bodies, eliminating complex multi-worker assembly processes.

Resin impregnated reinforcing fiber sheets form spar caps that prevent pore formation and improve structural strength in wind turbine blades.

Guide members in a heat exchanger core funnel cooling fluids from reservoirs into tubes, reducing pressure drops caused by abrupt transitions.

Replacing metal with a plastic spray-coated housing resolves the contradiction between strength and weight, minimizing structural height and preventing leaks.

A wind router channels air to the concave blade side, eliminating negative resistance and boosting rotation speed.

A single magnet coil uses an H-bridge circuit to enable bidirectional actuation via three plug contacts.

Segmented rocker arms with a latch pin enable discrete valve lift modes, reducing fuel consumption while maintaining assembly simplicity.

Flange passages supply heat transfer medium to threaded bolts, reducing thermal gradients that cause bolt overload and seal leaks during startup.

Structured metasurfaces use resonant cantilever arms to boost force output and spatial resolution without bulky actuators.

Laser ablation forms concave oil reservoirs in piston sliding components, preventing friction increase when the coating layer peels.

Hydraulic amplification of piezoelectric motion enables precise fuel injection timing without complex external control oil systems.

Segmenting the fuel system into two tanks directs hot return flow away from bulk storage, preventing paraffination while maintaining engine reliability.

Replacing heavy mechanical actuators with shape memory alloy wires reduces aircraft weight while enabling structural morphing through thermal activation.

An interference fit between the filter cartridge and nutplate maintains sealing reliability while eliminating spring complexity.

Segmented flange element with flexible part enables precise bonding of wind turbine blade half shells at complex trailing edge interfaces.

A thermally conductive probe uses heat and vibration to measure liquid levels.

Merges blow-by gas recovery duct with air filter housing structure to minimize engine compartment volume and pressure drops.

Segmented generators capture energy from both wave rise and fall, reducing loss in harsh marine environments.

A hydraulic circuit uses non-return valves to manage pressure and facilitate high-speed camshaft adjustment.

Oblique sealing surface on fuel injector valve piece reduces longitudinal expansion, minimizing armature stroke and magnetic actuator energy requirements.

An ignition control apparatus manages primary current to maintain continuous secondary discharge for stable engine operation.

A method monitors site-specific wind conditions to determine optimal installation of rotor blade tip features for enhanced turbine performance.

Merging filtration into the fuel bowl and metering unit stabilizes fuel quality and prevents corrosion in small engines.

An irregular saw-like tubular profile prevents ice blockage in low temperatures while enhancing turbulence and suction for efficient gas recirculation.

Decoupling oil cooling and storage levels in plastic oil pans prevents wall melting during fire exposure, ensuring flame resistance without adding weight.

Extrusion blow molding connects different material duct parts without welding, reducing manufacturing complexity while maintaining leak-proof reliability.

A fan wheel fixed to a rotating engine component creates suction for crankcase gases.

Multi-layer capacitive sensors use guard plates to shield tracks from electromagnetic interference, ensuring accurate liquid level measurement in tanks.

A microwave waveguide measures liquid fill level inside a measuring tube for flow calculation.

Non-rectangular pulse width modulation voltage drives fluid flow to axially displace the locking pin, preventing jamming across temperature variations.

Static velocity devices and shaped housing accelerate exhaust airflow to drive a turbine for electricity generation.

Fuel consumption display apparatus tracks crane standby duration and accumulated energy usage.

A turbine captures kinetic energy from pressurized cooling water to generate electricity, offsetting the power required for water circulation.

Segmenting the mold into adjustable planar panels eliminates master model storage and accelerates production by five months.

A multiple torques inertial thruster redirects torque-induced precession using active and passive damping mechanisms to generate unidirectional thrust.

Axial and rotational engagement secures the fuel gauge cap shell, resolving assembly complexity while maintaining reliable closure.

A flexible cooling device surrounds a longitudinally extended scintillator to manage thermal conditions during radiation detection.

Retrofit radiator with water mist nozzles to lower inlet air temperature, addressing oversized cooling packages required for peak ambient events.

Integrated bushing structure eliminates precise phasing requirements during ring welding, reducing assembly complexity while maintaining axial travel precision.

External auxiliary unit housing equipment near the nacelle reduces low-voltage cable length while maintaining worker access space.

A cotter holder supports a shaft member through the cotter to enable precise taper-fitting of the retainer.

Segmented edge spars with composite materials prevent buckling while enabling modular replacement of damaged parts.

Compressive sensing enables high cross-range resolution on windmill-mounted radars when blades remain stationary due to low wind.

Segmented joining portions and a nipping member prevent gas leakage by maintaining joint strength against external forces.

Segmented spool drain flow paths resolve low-temperature locking reliability issues by managing fluid pressure and viscosity.

A coil current control circuit generates a soft-start ramp signal to gradually reduce discharge current, preventing overheating and voltage breakdown sparks.

An intake manifold positions a PCV chamber upstream of the surge tank center to distribute blowby gas evenly across branch pipes.

A gas-filled pressure pulsation damper absorbs fuel system pressure peaks through pneumatic compression and elastic expansion.