Machines/Engines TRIZ Cases

Interconnected porous film layers define voids for customizable mechanical strength and tissue integration in surgical implants.

A lower connecting rod rotates relative to a control shaft to adjust the compression stroke length in an internal combustion engine.

A polyacetal resin composition with specific additives resists deterioration in sulfur-containing fuels.

Segmenting combustion into a pre-chamber and main chamber controls flame jet velocity, improving ignition reliability for lean fuel mixtures.

Multi-point scanning identifies direct reflections to resolve misalignment and wave formation issues in clear liquids.

U-shaped spacers snap onto inner rods to center coaxial conductors, resolving assembly difficulties caused by sliding solid spacers along the rod length.

A variable valve timing control device adjusts spool position to manage hydraulic oil flow in engine chambers.

Integrated tubular housing merges sensor channels with valve inlets, eliminating bulky fittings and preventing underpressure from residual water.

Optimized circumferential wall distribution reduces plastic deformation and fatigue in bent high-pressure fuel tubes.

Gravity-based retention in elevated chambers prevents hydraulic fluid drainage, eliminating restart delays from fluid replenishment.

An acoustically damped component uses irregular chamber geometry to cancel airborne noise in the near field.

Replacing bulky photomultipliers with a semiconductor photodiode array reduces device complexity and space requirements while maintaining high sensitivity.

A trailing edge insert with a stiffening core creates a high lift flatback profile, improving energy capture while managing structural weight at the blade root.

Replacing brazed joints with screw threads on injector sockets and tube orifices eliminates thermal distortion and leakage risks at high pressures.

Segmented PTFE and rubber disks replace O-rings in fluid level switches, reducing shaft friction to preserve buoyant actuation forces.

Retention member presses against hanger bend portion to limit axial movement, eliminating fastener penetration and reducing installation time.

A valve seat uses a specific cobalt and molybdenum alloy composition to achieve high heat and wear resistance.

Adhered and non-adhered insulator portions reduce mechanical stress, preventing unwanted corona discharge caused by air gaps at material interfaces.

A rotor blade vibration analysis method determines ice buildup quantity by comparing current natural frequencies against an ice-free baseline value.

A cross-flow turbine recovers kinetic energy from moving solid goods to reduce conveyor energy consumption and component wear.

Optimized aluminum alloy composition balances high temperature strength and thermal conductivity, enabling pistons to withstand increased combustion loads.

Fuel tank shielding blocks rainwater droplets from entering the upwardly opening air cleaner intake while directing acoustic waves toward the rider.

An integrated vortex generator strip attracts lightning strikes and conducts current to ground, reducing drag and noise while protecting wind turbine blades.

A camshaft actuator adjuster controls hydraulic mass flow to counteract engine component torques.

Integrating hydraulic ports into the supercharger head eliminates complex external connections, reducing manufacturing costs and improving cooling flow rates.

Differential thermal expansion adjusts clearances in a valve timing control apparatus, compensating for fluid leakage at high temperatures.

An evaluation unit analyzes pulse propagation times from a mirror-reflected scintillator signal to determine longitudinal hit locations.

Segmenting the additive agent into two tanks allows uninterrupted production while eliminating spill risks during replenishment.

Shoulder contact areas guide and support the annular ring, eliminating screw connections that increase manufacturing complexity.

Plastic deformation of a steel alloy workpiece creates the pintle perch and shaft, eliminating machining scrap and weak joints to improve service life.

An integrating circuit measures ionization current to detect pre-ignition in internal combustion engines.

A cylindrical oil ramp uses pressure-calibrated closure means to regulate flow distribution across engine components.

A capacitive level sensor uses a reference electrode to measure environmental capacitance changes independent of the medium level.

A cylindrical nose leading edge accelerates flow to increase suction surface pressure, resolving limited lift at higher angles of attack.

A 20 GHz radar system with a leaky lens antenna measures shallow slag layer profiles, resolving precision versus complexity trade-offs.

A TDR level gauge signal line transmits electromagnetic pulses to determine fill levels in process containers.

Movable primary and secondary arms in a governor lever adjust linkage geometry to resolve assembly errors and reduce manufacturing time.

A high frequency generator employs a phase locked loop to automatically adjust impedance in a resonant circuit, eliminating slow manual tuning and power losses.

Merging the nozzle needle and throttle bore body reduces component count and assembly complexity while improving temperature stability.

Offset scarf joints connect modular wind turbine blade spar caps, enabling transport of large sections while maintaining structural strength.

Segmented box walls with offset centerlines optimize stress distribution to increase load capacity while reducing piston weight.

An orthosonic thrust apparatus generates propulsion by vibrating a resonating medium at its natural frequency to create standing waves.

A net-shaped electric heating element covers a polymer actuator wire side surface to enable controlled thermal contraction.

A bistable shape memory actuator design uses a single wire to toggle between two stable positions without continuous power.

A dedicated intake chamber isolates the engine from hot enclosure air by drawing cooler external air through vent ports, preventing performance degradation.

Pre-calculated factory baselines stabilize early trip metrics, preventing misleading fluctuations from small sample sizes in vehicle fuel economy displays.

Relocating the hydraulic amplifier chamber externally resolves internal volume constraints that cause pressure wave issues and wear at high fuel pressures.

Segmented positioning pins engage camshaft grooves to eliminate precise hole manufacturing and reduce assembly costs.

Segmented flow paths prevent series temperature rise, maintaining low coolant temperatures for optimal heat exchanger efficiency.