Machines/Engines TRIZ Cases

A compact wave energy converter tilts about a horizontal axis to convert kinetic energy from water waves into electrical power.

Serpentine routing converts material contraction into vertical height increase while decoupling body strength from member tension.

A vehicle fuel injector nozzle combines outward flow paths with multi-hole discharge channels to stabilize needle movement and atomize fuel.

An elastomeric spring clip biases a fuel injector axially against a shoulder, preventing displacement and ensuring stable hydraulic connections.

Specialized extraction tool removes fan discs from assembled turbine modules using indexed supports and bearing surfaces.

A fill level measuring device classifies echoes using speed ratios to distinguish ground and multiple reflections from the filling material.

A shape memory actuator moves a reflector via thermal phase transition to adjust the optical path in vehicle displays.

A programmable gain network dynamically controls attenuation to resolve cross-coupling noise in UWB radar receivers.

A hinged centering device secures waveguides using a clasp and radial members.

A robotic fan crawler adheres to wind turbine blades using suction force and omnidirectional cameras for surface inspection.

A side-fitted fuel connector orients its inlet axis normal to the injector body, enabling robust attachment in tight engine spaces.

Perpendicular wire placement minimizes heat leakage from the shape-memory alloy, enabling a thin and compact actuator design.

An inner camshaft passage directs pressurized fluid to deactivate specific cylinders, resolving NVH and complexity trade-offs in internal combustion engines.

A propulsion system uses bi-directional ramps to accelerate inertial masses, generating linear motion through centripetal force.

Segmented flow guiding device parts adapt to blade bending in the transition region, preventing separation while maintaining aerodynamic performance.

A pressure regulating arrangement uses multiple control valves to adjust lubricating oil pressure dynamically.

A progressive distributor base body conveys lubricant through segmented inlet channels and a bore to supply multiple outlets sequentially.

An oil management system uses electroagglomeration to coagulate fine particles for efficient filtration.

A hydrophilic radar antenna surface prevents petroleum adhesion via a thin water film, maintaining signal reliability in harsh marine environments.

A strap buckle integrates a generator and speed-up gear shafts to harvest electrical energy from walking motion.

A rotor blade with a trailing edge winglet reduces tip noise by managing pressure equalization and vortices.

Frequency control circuitry retrieves stored settings for short idle periods to reduce stabilization time and energy consumption.

Middle member ribs hold welded portions in fixed positions during vibration welding of intake manifold segments.

A lever element transforms radial tire deformation into rotational motion to drive a generator, increasing energy recovery while managing rolling resistance.

Stacked air-laid media with different cross-sectional areas provide stepwise particle capture, reducing clogging and extending service life.

A rack and pinion gear assembly drives a generator through unidirectional rotation.

Replacing glass fibers with a synthetic resin nanoweb eliminates injector contamination risks while maintaining 99% filtration efficiency.

Integrated frame grooves accommodate fin support protrusions, eliminating separate fall prevention parts and reducing assembly complexity.

Relocating cooling pumps and heat exchangers to a charging station reduces vehicle weight while enabling rapid battery recharge.

Rear-mounted engine breather housing separates oil from crankcase gases, freeing top engine space for other components.

Segmented lattice structures reduce moment of inertia, improving gust utilization while lowering maintenance expenses.

Radial clearances in the adjuster compensate for eliminated lash gaps, enabling camshaft retention during engine retrofitting.

A coaxial sound-damping resonator integrates into the intake channel to capture acoustic energy without obstructing airflow.

Curved gap forming surfaces minimize slide resistance and prevent wear debris from needle tilting, ensuring stable high-pressure fuel injection.

Segmented support arrangement with elastic clamping compensates for stress and vibration to protect electrical contacts in cam phaser actuators.

A coaxial waveguide probe guides frequency modulated continuous wave signals for precise fill level detection.

A collecting pressure line uses an elastic member bearing against the inner wall to dampen fuel flow pulsations.

An energy attenuating mechanism filters transient pressure spikes in high-pressure fuel supply pumps to protect relief valves from unnecessary activation.

Rounded beam core transitions distribute forces to minimize notch stress and fracture risk in wind turbine blades.

Segmented communication passages disperse upward coolant flow to suppress liquid surface vibration and prevent leakage through the breathing hole.

Nested filter housing prevents air ingestion by keeping the fuel filter submerged, ensuring reliable suction efficiency on irregular ground.

A flexible neoprene turbine mimics kelp to convert wave motion into rotational energy via a shaft-driven alternator.

Optimized composite reed valves withstand high pressure loads while eliminating exhaust gas reversion, enhancing fuel efficiency and power output.

A wireless surface acoustic wave sensor measures fluid capacitance without physical feedthroughs.

A switchable variable cam timing phaser merges camshaft torque and engine oil pressure actuation modes via a dedicated control valve.

A tank connection assembly uses a rigid abutment element for stable attachment and an elastic expansion element for sealing.

A gondola apparatus uses rockable lifters and three traction ropes to maintain horizontal positioning during aerogenerator blade maintenance.

A one-piece cast piston integrates internal ribs and axial cooling channels to enhance thermal dissipation.

A sensor device combines ultrasonic transducers with direct-contact electrodes to measure fluid level and electrical properties simultaneously.

A specialized extraction tool removes annular turbine disks directly from assembled modules.