Machines/Engines TRIZ Cases

Flat lightning receptor at blade tip diverts strikes from carbon fiber components, preventing wear on diverter strips.

Tilted partition wall directs oil flow between crank and oil rooms, preventing backflow during tilted operation without complex valves.

Segmented rocker arms with diamond-like carbon coatings reduce mass and friction to maintain stable valve train dynamics above 7000 rpm.

Segmented seals open in sequence to drain raw liquid before separating clean and raw sides, preventing cross-contamination.

Variable coolant circuits and chiller boost cooling capacity during stationary fast charging to prevent battery overheating.

A solenoid generator harvests vehicle vibrations to power a moisture removing unit for sealed automotive lamps.

Segmented ribs constrain the fuel sender detector to prevent interference, and a crimped circular wall secures the connector without complex alignment tools.

Segmented radar sensors and signal processing algorithms mitigate wall thickness variations and sediment buildup errors.

Segmented locking sleeve with adjustable fitting prevents accidental retraction of raised loads.

Molded oil pan shells integrate suction strainers and anti-emulsion plates into single-piece structures for enhanced rigidity.

Replacing membranes with a gas-loaded piston eliminates spring failures, extending service life while mitigating cavitation.

Generating a controlled discharge spark at a predetermined time dissipates residual energy, preventing unwanted ignition and protecting the engine.

An ignition apparatus detects discharge blow-off timing to stop energy input during the second region of the discharge cycle.

A fuel injector magnetic valve uses a spherical closing element to reduce injection tolerances, minimizing wear on sealing edges caused by mechanical stress.

A lever device uses convex curved contact faces to reduce friction and stiffness within a fuel injection valve housing.

Blending Fischer-Tropsch kerosene and base oil creates a diesel fuel composition with improved cold flow properties.

Axially offset light detectors in an electro-optic sensor enable continuous fluid level measurement instead of single-point detection.

A fuel tank cap integrates an electronic level sensor with a detection device housed in the containment body.

Integrated anti-bounce device merges spring and hydraulic damper to prevent valve reopening under high magnetic forces.

Tapered thermal barrier coatings on the piston crown reduce temperatures to prevent carbon deposits and lower thermal stress.

Liquid level monitoring system uses acoustic resonance to determine fluid height, replacing expensive ultrasonic sensors with low-cost audio components.

Flux pinning bonds transfer centrifugal loads from the flywheel rotor to the stator, increasing tensile strength and energy density without adding mass.

Charged droplets repel from clean blades while targeting dirty surfaces, reducing pitting and erosion risks during on-line gas turbine maintenance.

Time Domain Reflectometry replaces mechanical sensors to measure the catalyst slurry interface, preventing overfilling and ensuring consistent dosing.

Curved intake duct with downward resonator prevents water entry while reducing part layout complexity.

A solid rod wave guide transmits electromagnetic signals to detect liquid levels inside pressure vessels.

Relocating the engine controller above the engine body with a partition plate reduces heat transfer and vibrations while improving maintenance access.

Impedance matching circuitry and a feedback control system adjust pulse width dynamically based on temperature to maintain measurement precision.

Acoustic and visual sensors compare operating conditions against baseline data to identify anomalies, reducing manual inspection delays.

Monitoring oil pressure isolates passages to purge trapped air, restoring response time and preventing unreliable component operation.

A slotted accumulator clamp enables front-access installation of fuel system components without disturbing adjacent engine parts.

Segmented floating bodies share structural loads via a unified shaft, improving reliability while maintaining high energy conversion rates.

Integrating a filter sieve into the return spring element near the outlet prevents particle contamination that causes leakage and stuck-open failures.

A liquid container uses a magnetic marker and sensor to detect stirring motion for consistent ink mixing.

Engine valve steel uses precise nitrogen and niobium ratios to deliver nickel-level strength, eliminating the need for expensive nickel-based materials.

Angled inner disc surfaces direct soot into interspaces under centrifugal force, preventing blockage and maintaining separation efficiency.

Replacing mechanical fasteners with adhesive bonding reduces blade weight and cost while meeting sealing requirements.

Radial coupling surfaces enable hydraulic displacement of the valve needle, reducing tolerance chain variability in fluid injection valves.

Segmented extrusion coat with axial rib prevents warping and maintains concentricity in long fuel injectors.

Segmented telescopic valve balances hydraulic forces to reduce electromagnet effort without increasing device complexity.

A suction lifting device uses a pneumatic pinch valve to trap liquid in the downpipe section for prefilling.

A vacuum actuated valve adjusts a quarter-wave resonator length to shift noise attenuation frequencies.

Nested chambers separate blow-by gas droplets via gravitational settling while a gutter system prevents re-entrainment into the engine circuit.

Integrating the oil filter mount and stopper section into the actuator housing boosts rigidity while keeping weight low for variable compression engines.

Leaktight peripheral seal maintains air gap between porous shell and metal sheet, preventing fluid ingress and heat degradation.

Segmenting ventilation bores reduces fuel volume flow loss while maintaining air bubble removal reliability in internal combustion engines.

A cooling-channel piston uses a gap geometry with sliding surfaces to allow controlled deformation between joined parts.

Segmented seals within the filter head channel maintain sealing integrity despite deformation, reducing maintenance needs.

A circumferential cooling rib on the steam turbine rotor intercepts heat flow from live steam, protecting the magnetic bearing from overheating.