Machines/Engines TRIZ Cases

See how a capacitive sensor replaces mechanical switches to detect filter pan position and flui

See how pivoting partitions merge damper and mist eliminator functions to remove moisture and c

See how triple prism beveled surfaces and aligned infrared sensors enable automatic liquid leve

See how divinyl sulfone crosslinking prevents PEDOT:PSS redispersion in water, enabling silk-ya

See how dynamic stress control maintains constant martensite volume during heat recovery, reduc

See how a monolithic shaft support housing with concentric bores ensures precise seal alignment

See how a mobile fryer system cooks food during vehicle transit using waste heat recovery and m

See how a planar arrangement of phase-offset thermoelastic elements overcomes cylindrical power

See how a shape-memory actuator opens a straw partition automatically during dishwasher heating

See how forced counter-current air flow across a heated plate improves contaminant evaporation

See how a pedestrian support platform with bearing plates bridges the gap between fuel tank per

See how a gas accumulator coupled to an electro-osmotic pump collects process gas to reduce cav

See how a capacitive sensor replaces float and capillary mechanisms to detect fluid level acros

An external heat source and two-section heat exchanger warm diesel generator block water to support reliable starts with lower electricity use.

See how a controller with speaker and sensors delivers audible brewing-completion alerts across

See how projected light lines and image detection determine container inner contour and volume,

See how cooling degraded oil to precipitation regime enables continuous filtration of oil-solub

See how twist insertion and release in coiled fibers achieve mechanocaloric cooling with reduce

See how mechanocaloric materials enable latent heat transfer through phase transitions, achievi

See how wall-mounted ultrasound sensors detect fill level in kitchen appliance pots independent

A profiled guide drives axial thermoelastic deformation without bending stress, extending service life and enabling flexible heating or cooling cycles.

See how two shape memory alloy members transfer compressive and tensile forces through thermal

See how laser level gauges replace float-based detection to eliminate mutation errors and enabl

See how dual-sided demisting structures at partition openings capture oil mist, return oil to t

See how mechanocaloric heat exchangers use fluid phase transitions for latent heat transfer, ac

See how a light-based level indicator uses refractive index differences to direct radiation tow

See how a capacitive sensor replaces float and capillary designs to detect fluid levels across

See how opposite-direction blade arrangement with root-end support reduces fragile-tip stress a

See how LED light projection through translucent tank walls replaces fragile sight glasses, eli

See how a deformable cooling compress adapts to irregular detector surfaces using fluid pressur

See how valve-controlled medium flow circuits transfer battery heat to preheat the engine befor

See how multi-level composite yarn with anisotropic expansion coefficients enables adjustable a

See how segmented heat exchange plates with parallel flow paths reduce parasitic power demand i

See how opposite-orientation blade stacking with segmented frame assemblies reduces support dis

See how a gold-plated rotating contact stylus prevents oxidation and coffee residue buildup in

Edge-vertical blade supports cut flexing damage, reduce securing fixtures, and improve ship packing for wind turbine blade transport.

A hinged terminal block box improves access to heat pump electrical devices while saving space and protecting remote monitoring parts from dew.

A modular handle interface lets filling adapters shift grip position and angle for better balance, shorter reach, and easier access on assembly lines.

Alternating steam and water phases raise brew-basket temperature for better extraction while heatsinked LED lighting improves visibility and lifespan.

A conical deflector plate redirects media from axial to radial flow, cutting reroutings and reducing filling adapter size, weight, and cost.

Heating behavior from a pot-wall element is used to detect excess food level, preventing overfilling while keeping the pot smooth and easy to clean.

Multiple boiler probes shift water level by demand and trigger partial replacement to cut energy waste, corrosion, and steam quality drift.

Ultrasonic sensors mounted on the pot detect food fill level without lid dependence and can also vibrate the wall to loosen dirt.

Solid-state phase transitions in thermoelastic refrigerants pump heat with lower energy use and no greenhouse gas refrigerants.

Zigzag self-heating sensors at different heights raise liquid level detection resolution while easing wiring limits in refrigerant reservoirs.

A metallic sleeve around the heater bore improves heat transfer to the wick while simplifying contact structure and reducing power use.

Successive floating plates squeeze working fluid through narrow gaps to absorb short, high-force oscillations and soften transient load peaks.

Direct wick contact with a PTC ceramic heater cuts thermal resistance, lowers power use, and avoids added heat conduction parts.

A gold-plated rotary contact keeps aircraft galley liquid level sensors free of oxidation and residue, reducing maintenance and overflow risk.

Separating a glass container from a plastic base avoids hot-water staining, lowers cost, and helps reduce spillage in a strainer pot.

Separate optical paths detect pack placement and beverage level, distinguishing absent packs from empty ones with simple low-cost sensors.

A novolac-polyol polyurethane foam improves hydrolysis resistance under heat and humidity while preserving viscoelastic acoustic insulation.

Fresh and salt upstream water streams drive osmotic membrane pressurization, turning a turbine to generate renewable electricity without CO2 emissions.

When SMA actuator lines disconnect, remaining lines are selected by force direction to keep lens focusing and image stabilization working.

A hinged crosspiece and non-slipping wheel pair multiply output force through the L/l ratio without dependence on static wheel circumference.

An elastic member and shape memory alloy actuator lets flexible displays roll and unfold without external machinery, cutting weight and volume.

An asymmetric conduction path, energy storage, and shunt regulation stabilize loop current during power fluctuations while improving signaling.

Lateral undertray discharge openings divert hot air away from rear vehicle components, reducing overheating while preserving aerodynamics.

A guide sleeve closes the fan-to-heat-exchanger radial gap to limit bypass flow, cut noise, and improve cooling at low vehicle speed.

An upward-facing exhaust port keeps dust and water out of the clean intake side while preserving airflow in off-road air cleaner maintenance.

A piston that follows the washer fluid surface enables accurate level sensing despite sloshing, pitch, and roll in moving vehicles.

An inverted divider wall forces coolant through connected zones to swirl out entrained air while vents balance pressure for proper filling.

Overlapping first and second PCBs shorten the heat path from the image sensor to the support structure, enabling compact actuator assemblies.

A radiator-mounted resistor load bank with a remote control panel manages generator load safely to prevent wet stacking and keep engine temperature optimal.

A lengthwise inflow opening spreads intake air evenly across the filter, cutting intake resistance while preserving air cleaning efficiency.

Mode-selection valves, flow restrictors, and a ball check valve enable safe coolant exchange while preventing air intrusion and unintended transfer.

Repositioned weights use gravitation to keep a rotating frame turning with steadier torque and lower energy demand.

A shaft-coupled flywheel smooths hydraulic motor torque swings to stabilize generator voltage and frequency and improve transient load response.

A shared gear assembly lets one prime mover drive multiple AC and DC generators, improving load flexibility, scalability, and footprint.

Wave-driven water mass and buoy inertia compress trapped air to drive a turbine, enabling offshore self-powered computing with ocean cooling.

An elastic holder and spreading element create a radial gap in a vehicle cooling fan module to cut vibration and noise without extra metal mounts.

Negative thermal expansion in zirconium tungstate creates reverse convection cycles in fluid, enabling power generation from sinking and rising motion.

An elevated intake duct inlet lets dust and water settle on the intake box bottom wall, protecting off-road engine and CVT airflow.

Interloop heat exchange and dual recuperators let an sCO2 Brayton cycle raise thermal-to-electric efficiency without extreme turbine inlet temperatures.

A pressure- and speed-responsive rotor valve controls lubricant flow to balance rotor cooling, motor efficiency, and system reliability.

Temperature-driven refrigerant pressure differences move a piston to generate compact onboard UUV power with fewer parts and less space.

A firewall-integrated coolant reservoir frees engine-bay space, improves fill access, and maintains stable coolant operation on vehicle tilt.

Waste heat from semiconductor chamber cooling channels is converted by turbines into electrical power, improving energy use without sacrificing chamber integrity.

A bypass turbine and magnetic coupling turn wellhead pressure-drop losses into electrical power while maintaining gas containment.

Angled arms slipping on a circular track generate continuous torque with low-friction, modular mechanics that reduce wear and electronic failure points.

An inductive sensor and end-mounted target enable rotor angle monitoring in a turbine generator without extending the rotor or blocking airflow.

Compressed-air vacuum filling keeps the suction tube submerged to prevent spills, contamination, and inconsistent coolant charging.

Opposed resilient gear rails convert suspension and braking motion into generator-driving rotation, recovering energy otherwise wasted.

Auxiliary pressurized fluid and a regulator keep chamber pressure high enough to expel water quickly and prevent turbine flooding.

Modular flare housings and a gooseneck intake path enable airbox customization and air pressure boosting without cutting or altering the engine bay.

A front radiator and rear blower cool a rear-mounted utility vehicle engine efficiently while avoiding extra coolant paths and wiring complexity.

A shared rotor in the exhaust path removes secondary shafts, gearboxes, and complex cooling while preserving compact gas-turbine power generation.

Compressor discharge fluid boosts cooled working-fluid pressure, improving heat removal and cooling reliability for Brayton cycle electrical hardware.

Foamed resin cover and absorber parts lock together with concave-convex fittings to cut engine cover weight and simplify assembly.

A motorized pump, turbine, and generator replace PV inverters to deliver cleaner AC waveforms, ride-through capability, and lower grid integration cost.

A frusto-conical tube and self-curing resin transfer tensile load from tape-armoured power cables while limiting core stress and slippage.

Bottom access panels replace a traditional hood, improving rear-engine service access while preserving body stiffness and avoiding extra mass.

Matched magnetic arrays transfer turbine torque across a non-magnetic hermetic barrier, powering downhole tools without cables, batteries, or shaft seals.

A buoyant upper pontoon and cable alignment scheme counter roll and misalignment, enabling continuous ocean-current power generation.

Hydraulic conversion and gear reduction turn wave or train-car vertical motion into durable, scalable electrical generation.

Harvests suspension and steering motion with modular generator units to convert vehicle kinetic energy into battery charging for longer EV range.

Using inlet hydrogen to cool magnetic bearings and the generator avoids sealing gases and lubricants in high-speed hydrogen expansion.

A temperature-triggered valve routes heated coolant to the air intake duct only in cold conditions to melt snow and prevent ice buildup.

A conductive motor cover shields stator-winding EMI while vent openings preserve airflow and tight vehicle packaging.

An SMA-driven movable aperture regulates light entry in compact optical modules while preserving driving mechanism durability.

Time domain reflectometry calibrates the leaky feeder path inside wind turbines, avoiding over-air RF noise while improving length and phase accuracy.

An oscillating water column buoy compresses air to drive a turbine, supplying offshore computing power while reducing cooling demand.

A probing-signal sensor in an auxiliary container helps pool cleaning robots detect the waterline accurately and avoid surfacing during wall cleaning.

Fiber-reinforced plies and metallic end rings cut actuator cylinder weight while preserving axial load transfer and structural integrity.

A sliding snap-fit plastic connector joins parallel air cleaners without tools while absorbing dimensional deviations to reduce stress and improve durability.

Built-up protrusions and bonded sections make internal flow channels visually inspectable while improving heat transfer in gas turbine heat exchangers.

Contoured valve-seat surfaces create controlled closed-valve leakage flow, improving oil-particle separation in crankcase blow-by gas.

A dual-phase Cu-Ni-Si-Cr-Fe alloy enables thin laser-clad valve seats with higher wear resistance, lower thermal damage, and crack-free flow passages.

An integrated hub, flat sensing port, locking level ring, and tapered bowl improve fluid readability, sampling, and sludge control.

A bypass valve opening signal reveals when the first filter stage is loaded, helping predict filter life and maintain flow efficiency.

A coaxial valve cap closes the cavity opening away from peak combustion heat, improving sodium-cooled heat transfer while reducing weld fatigue and leakage.

Oil pressure switch timing after engine start reveals fuel dilution and viscosity change, enabling sensor-free oil quality monitoring.

Support rings embedded in a flexible vehicle air pipe preserve cross-section under negative pressure while allowing thermal and vibration compensation.

A dual-gripping pin tool extracts turbomachine shims in tight spaces while distributing force to prevent shim damage or loss.

A groove around the valve seat limits stress and deformation, keeping seat dimensions stable and the valve member balanced under pressure.

A sealed Bi-Sn-filled cooling gallery redistributes crown heat in heavy-duty pistons without inert gas, reactive metals, or oil degradation.

A modular axial valve insert combines non-return and bypass functions to cut variant inventory, simplify assembly, and lower flow resistance.

Radial inlet and outlet ports increase sealing distance in a rotary pressure exchanger, cutting leakage and easing tight-tolerance manufacturing.

A stepped nozzle needle bore guides fuel more smoothly at the sealing seat, reducing cavitation, vortex formation, and needle misalignment.

Widened spar belt parts and bonded connecting elements improve tensile and compressive load transfer across sectional rotor blade joints.

A dual-signal vibronic level sensor checks fork vibration and transmitted signal response to improve fill detection and reveal blockage or sensor state.

Seal-ring recesses and alignment pins help a pressure exchanger prevent leakage, reduce wear, and recover fluid pressure energy.

A modular fixed or adjustable bracket lets engines drive alternators and pumps for higher electrical loads without engine replacement.

Pressurized upper and lower chambers use an inertial tube to turn slow wave motion into turbine-driving fluid flow while limiting biofouling and corrosion.

Periodic activation of radar chips, logic, and processing cuts power use in multidimensional fill level and surface topology measurement.

A gripper, trolley, rope, and drive store excess renewable power by lifting loads, then release it by controlled lowering for steadier delivery.

Combining a helical hydro-kinetic turbine with a benthic microbial fuel cell enables long-term underwater power in low-flow seafloor conditions.

A removable IMV block adds multi-valve redundancy and supplier flexibility to high-pressure fuel pumps while maintaining consistent fuel metering.

Multiple receivers use TDOA and timed RF tag signals to locate bats and birds in 3D while limiting tag energy use.

Capacitance sensing estimates aerosol liquid remaining in a detachable cartridge, improving heating control and consistent aerosol output.

A recirculating inertial tube converts slow wave motion into liquid oscillation and turbine head pressure while sealed fluids limit fouling and corrosion.

An annular spring contact on a PCB maintains stable impedance limit switch connections under vibration while compensating radial and axial tolerances.

A web server display and communication adapter let users visualize container settings and connect level meters to external devices across protocols.