Machines/Engines TRIZ Cases

A distance sensor system eliminates vehicle signal disturbances to compute accurate road water levels.

Varying wire dimensions compensate for fluid dynamics and heat transfer variations, reducing energy losses from uneven activation in energy recovery devices.

Boot with aperture channels methanol leaks through an annular air gap for early detection without custom injector manufacturing.

Segmented arc-shaped ribs form parallel flow paths to eliminate welding burrs that disturb air and destabilize sensor outputs.

Flexible anti-rotation clip locks fuel injector against twist lock cup using connector legs and protrusion.

A concentric air jacket channels cool air through a gap around the intake duct, reducing intake air temperature and preserving engine power in hot compartments.

A movable bush adjusts the biasing force of a fuel injection valve spring independently of the needle gap.

A flume system accelerates water flow through channel modifications to generate power from slow-moving currents.

A fuel injector pressure sensor uses an insulating compound stop area to maintain spring element contact with piezoelectric elements.

A resin intake manifold uses vibration welding to join molded pieces while maintaining a predetermined distance between branch pipes and additional bodies.

Dual resistive elements measure fuel quantity via electrical resistance changes, filtering dynamic variations for accurate indication.

Asymmetric timing wheel cutouts enable torsional coupling between nested camshaft phasers, resolving packaging space constraints in concentric assemblies.

A pipette tip combines a conductive plastic area with a translucent zone to enable visual liquid level inspection.

Cover plate coolant cavity directs flow down a slope to reduce control losses from abrupt direction changes.

Dual capacitive encoders measure liquid level to resolve alignment sensitivity and contamination risks inherent in optical or magnetic systems.

Segmented baffles with varying widths guide airflow uniformly onto the filter, resolving inhomogeneous dust distribution and extending component lifespan.

An angled sleeve mounts a sensing probe externally to measure foam levels, preventing overflow damage in desulfurization towers.

A reservoir tank guide member directs cooling fluid horizontally toward a columnar member to suppress turbulence and bubble formation.

Reflecting fuel through a rail plug generates a vortex that dampens pressure pulsation and stabilizes injection.

An oil pan bottom wall features alternating upward and downward bulges to enhance structural rigidity.

Dielectric spacers stabilize impedance in time domain reflectometry probes, eliminating expensive high-precision electronic components.

Variable rotor speed control based on acoustic feedback reduces noise disturbance and energy waste during deceleration in centrifugal separators.

Optimized Mo and Mn ratios stabilize the protective oxide film, preventing scale spalling in exhaust systems operating near 1000°C.

A low density plasma thruster separates ions and electrons via magnetic deflection to generate Hall voltage.

Segmented base plate windows provide visibility during seal installation, preventing damage and misalignment in gas turbine engine components.

Actuating rotor sealing strips form fluid paths with integrated check valves for precise camshaft phase control.

A floating platform converts tidal motion into electricity using stabilizing columns and rack gears.

A fuel injection valve uses a lower rigidity part to suppress valve element bouncing, ensuring precise fuel injection quantity control and reducing wear.

A motor control apparatus manages stator coil current using periodic switching elements to regulate rotation torque and prevent overheating.

Segmented floating bodies on a stiff support structure convert wave energy while maintaining stability in heavy seas.

Strain gauge and flush counter resolve measurement accuracy issues caused by imperfect installation.

A triangular fuel tube adapter plate secures supply and return lines vertically to enhance structural stability.

A breather device uses a downward gradient inner bottom surface to guide transmission oil back into the case through gravity.

Rotating internal weights within a spherical assembly create gravitational moments for propulsion, eliminating slippage on low-friction surfaces.

Mechanically activated generator powers a bistable display to provide self-contained status indication without external wiring.

Tapered guide members orient unstable cotter segments, preventing engagement failures in valve stem assemblies.

A vapor removing mechanism draws metal plumes from the machining zone to prevent beam blocking and thermally altered layers.

An iron-based alloy piston balances high temperature strength with controlled material costs.

A controller unlocks a CVVT locking pin before operation using a solenoid valve to ensure smooth actuation.

Curved baffle plate uses angled side walls and specific hole placement to prevent aeration while ensuring prompt oil expulsion.

A gas turbine control system corrects operational parameters using ambient pressure to set dynamic temperature thresholds.

A collapsible silicone cup component adjusts its extension to fit tank gauge head recesses.

A rotation assistance mechanism uses magnetic members and a shield unit to transfer momentum to the drive shaft.

A submerged water wheel apparatus harnesses kinetic energy from free-flowing streams using guided blades and motion transmission mechanisms.

Intake duct rests on structural member to eliminate manual holding during fastening.

SMA wire array actuates fluid lens membrane to resolve nasal region optical performance gaps.

A bone screw with a segmented head and self-tapping threads enables precise placement and easy removal through minimal incisions.

Silver-palladium electrodes and palladium-nickel contacts suppress sulfide formation, maintaining conductivity while reducing abrasion in vehicle fuel tanks.

An internally cooled poppet valve integrates an inertial pump to circulate fluid within a closed cavity.

Integrating Salter's Duck blades into Pelamis booms stabilizes the structure against turbulent breakers while capturing rotational wave energy.