Machines/Engines TRIZ Cases

A piston-cylinder unit forms an electrical series-resonant circuit using the cylinder jacket and piston as electrodes to determine position.

A radar level gauge system adapts measurement sweep counts based on available power to maintain signal quality.

Nested protrusions house hermetic seals to prevent fuel shorting while maintaining magnetic force without increasing injector size.

A feed conduit transmits engine noise into the vehicle interior by utilizing existing structural components.

Plugs separate oil passages to purge air from deactivation circuits, reducing casting core breakage risks.

A cyclonic aeolian turbine uses Venturi and Coanda effects to concentrate wind energy into a stable vortex for efficient rotation.

A neuromuscular electrical stimulation system modulates tissue temperature to increase superficial impedance and enhance energy delivery to deep muscle tissues.

Integrating temperature sensing with smoke detection filters non-fire particulates, reducing false shutdowns and preserving energy production.

A lift force turbine captures normal and tangential wind components via segmented blades with adjustable pitch angles.

Optimizing the taper angle between 10 and 20 degrees balances wedge sealing pressure against seal material displacement damage.

A sensor device determines the rate of change of a measurand over time to detect fill level variations in containers.

A radar measurement method generates a difference curve by subtracting successive evaluation curves to identify the filling level.

A push-fit connector aligns and joins blade tip extension lightning receptors to the wind turbine blade system.

Direct water-to-mechanical transfer eliminates air compressibility losses, improving energy conversion efficiency.

A compliance monitor calculates contribution demand using a droop response setpoint to verify generator torque output against grid specifications.

Segmented runner assemblies joined by support members resolve the contradiction between compact OEM packaging and user-accessible modification difficulty.

A segmented dust flap structure reduces fuel filler opening size while maintaining stable support.

An automated dust discharge valve uses pneumatic pressure to open and clear accumulated dust, preventing manual neglect and ensuring consistent separation.

Direct piezoelectric guidance of the valve needle removes hydraulic circuits, resolving complexity and improving injection accuracy.

Variable width adhesive strips match local forces to reduce bonding area by 44% while maintaining structural stability.

A direct energy conversion generator uses superconducting vortex channels to modulate static magnetic flux for electrical production.

A hydraulic phase adjustment unit uses volume accumulators to store pressure medium for rapid camshaft timing changes.

Radial spring guides valve needle to prevent tilting, reducing machining precision requirements while maintaining dosing accuracy.

A modular overflow valve attaches to high-pressure pumps via a rotatable connecting body with radial bores.

Segmented float protrusions prevent sticking in viscous oil, ensuring accurate detection despite vibration-induced component stress.

An electronic solenoid valve rapidly opens and closes to regulate gas pressure, eliminating orifice occlusion in remote fluid depth sensing.

A fuel supply system uses a lateral pressure vessel to reduce setup height while maintaining efficient fluid flow.

Segmented ring-shaped cover body connects upper and lower parts via lateral pieces to distribute axial spring load evenly.

Curved spinning segments and lap joints accommodate thermal expansion, reducing hoop stresses and improving mechanical integrity of the diffuser section.

Surface-contact heating prevents blow-by gas freezing in cold environments, maintaining separation efficiency.

A pre-chamber with a lead-off arrangement decelerates foamed fluid to prevent gas bubbles from entering the ultrasonic measurement section.

A valve seating device uses a cone-shaped piston extension to throttle hydraulic fluid flow, reducing impact damage on the valve seat.

A fuel injector nozzle features a hard wear-resistant layer on its exterior surface to enhance durability against mechanical loads.

Segmented clamping plate with deformable connections accommodates manufacturing tolerances to reduce material wastage and machining time.

An intermediate component with a higher thermal expansion coefficient compresses against glass via an outer ring to form a hermetic seal.

A reversible pump conveys lubricant between cylinder heads, countering uneven distribution caused by cornering centrifugal forces.

A rotating laser distance sensor and electronic inclinometer measure fan shroud runout during a single rotor revolution.

Optical prisms in ink cartridges reflect light signals to enable accurate electronic and visual detection of fluid levels.

A replaceable wiping element in the valve guide seals the radial gap, preventing exhaust gas entry and shifting wear from the stem.

A dovetail fixture interlocks with turbine wheel slots to provide a secure mounting point for restraint systems.

A mounting screw with a radial clamping shoulder secures a centrifugal oil separation device to a camshaft drive wheel.

Segmented frequency steps in a radar level gauge reduce power consumption while maintaining measurement accuracy for limited energy sources.

A segmented artificial muscle actuator uses distinct fiber units to match displacement requirements with thermal energy input.

A continuous lubricating oil discharge system removes degraded fractions from a combustion engine crankcase via an air stream.

Segmented plunger geometry creates a restrictive cavity that generates pressure drop, slowing needle opening speed while reducing lateral translation.

A flexible engine capsule uses fully vulcanized silicone rubber and hollow microspheres to create a single-layer structure.

An external throttle point on the guide pin damps pressure wave energy before it reaches the guide gap, reducing cavitation erosion and wear.

Bushings with internal threads enable stud rotation, reducing fatigue damage from bending stresses.

Tapering root bushings anchor fasteners in composite blades, preventing pull-out under high loads.