Machines/Engines TRIZ Cases

A polyacetal resin composition suppresses mold deposits using controlled hemiformal end groups and magnesium oxide.

A fuel filling device uses a guide slope face on flap members to direct the nozzle toward a far-side pass-through opening.

Intermittent laser radiation prevents cracking in the fusion zone of silicon-containing electrodes, improving joining strength.

A camshaft adjuster uses a loose assembly adapter fixed after installation.

A fuel filter check valve dynamically controls venting between the filter and high-pressure pump based on fluid pressure conditions.

A stationary hollow-cylindrical gas-conducting ring surrounds the rotor to enhance oil separation efficiency in internal combustion engines.

Multi-stroke thermal engine uses shape memory alloy springs to convert heat into mechanical energy, eliminating reliance on alternating temperature zones.

A fuel supply device guide mechanism connects a pump unit to a cover member via a segmented shaft and hole interface.

Block copolymer friction modifiers replace glycerol monoesters in additive packages to reduce engine friction while maintaining chemical homogeneity.

A liquid propellant pulsed plasma thruster ionizes conductive fluid to generate thrust without solid electrodes.

Variable charging rates based on voltage thresholds minimize leakage current in high temperature ignition exciter circuits.

A support arrangement with adjustable connection means maintains the original shape of wind turbine tower segments during horizontal storage.

Hollow door sills house hybrid vehicle components, reducing assembly complexity and improving maintenance access.

Placing the guest material on the yarn exterior solves interior energy inefficiency, achieving 2 W/g contractile power.

A partially dielectric-filled waveguide measures the dielectric constant of gases above process media to correct transit time errors in radar level gauges.

A fluid level sensor uses a movable floater to actuate parallel switching elements along a series circuit for precise liquid detection.

A submerged flexible membrane captures wave kinetic energy through reciprocating motion to drive power extraction devices.

Nested separators and check valves recycle lubricating oil, reducing content by 40% without manual maintenance.

A floating platform combines wind turbines, solar panels, and wave converters to generate power from multiple ocean sources.

Segmented frequency support points reduce spectral evaluation time while maintaining sub-millimeter distance measurement accuracy.

A guide member directs blow-by gases away from fresh air inlets within the plenum chamber to prevent freezing.

A thermal-mechanical linear actuator uses alternating CTE stages to generate displacement.

Active stabilizing means counteract axis-directed vibrations to maintain stable levitation height.

Segmented friction plates on a rotating disc reduce rotational resistance, enabling efficient wind energy utilization for micro applications.

Laser remelting creates a thick nitrided layer on the titanium valve, eliminating steel lash caps to reduce detachment risks.

Optical fiber links separate high-frequency radar components, resolving mechanical tolerance and pressure sealing contradictions.

A vehicle engine head cover integrates a flow redirecting member and shield cover to manage airflow around the exhaust device.

Roof ducts direct airflow through rear pillars to rotate internal turbines, generating electricity while minimizing aerodynamic drag.

A flexible connecting member drives a rotatable valve member to maintain an air-tight seal within a pneumatic tool assembly.

Segmented filtration zones remove debris from high-pressure fuel, extending injector life and maintaining injection accuracy.

A removable signalling device with a self-powered liquid sensor detects active substance levels in dispensers.

Reconfigurable modular segments redirect turbine exhaust to eliminate complex routing modifications and reduce equipment costs.

A hydraulic circuit with a temperature sensor adjusts a proportional valve orifice to maintain consistent engine valve timing despite fluid viscosity changes.

Separate rear side intake duct couples to air box from inside, resolving blind end attachment difficulties.

A fuel injector valve uses a hydraulic cushion to dampen armature movement and prevent needle bouncing.

A printing method calculates ink amounts for gradation regions using grating points and interpolation in a uniform color space.

A variable valve actuating device uses an enlarged stem end to engage a second spring retainer for simplified assembly.

Electrode assemblies convert like-charged ion potential energy into kinetic motion via Coulomb repulsion to drive desalination processes.

Counter rotating flywheels on perpendicular axes cancel gyroscopic forces, enabling high capacity kinetic storage without compromising vehicle maneuverability.

Lightweight aerodynamic appendix uses internal duct to stabilize flow and increase lift, resolving weight versus efficiency trade-off in wind turbine blades.

Repositioning a cam ring stopper away from the suction port eliminates flow interruption, thereby enhancing pump suction performance.

A carriage on an inclined track drives a pulley and flywheel assembly to generate electric current through mechanical transmission.

A hollow inertial water tube with an oblique aperture generates lateral thrust from passing waves without mechanical moving parts.

A piston splitting internal cooling runner divides the annular channel into separate half cavities to balance flow distribution.

An ignition coil control device uses a cruise area determination unit and integration counter to switch energization time based on driving conditions.

A self-test method for active crowbar circuits detects IGBT switch status by monitoring loop current.