Machines/Engines TRIZ Cases

Segmented spring tension allows accurate friction measurement during assembly, resolving quality control trade-offs.

Segmented springs in a fuel injection valve bias an anchor to absorb kinetic energy, preventing upward plunger displacement and secondary injection.

Integrated mechanical deburring eliminates electrochemical complexity while compressive residual stress improves cyclic strength under pulsating pressure.

Integrating guide bushing and piston into a pre-tested module reduces assembly errors and ensures uniform valve stroke distribution.

Planar wall sections on the lever and output elements prevent rotational movement, resolving reliability contradictions in fuel injection valves.

A blade root cover segment uses a tensioning band to secure attachment between the blade and spinner.

Asymmetric protrusion and groove features prevent axial rotation of the fuel delivery pipe within the reservoir module assembly.

Merging ignition and ion current signals on a single line via voltage levels resolves the contradiction between circuit size and signal accuracy.

A pressure-actuated valve directs oil through a secondary filter when the primary filter clogs.

Autofrettage force-fits inserts into accumulator fittings to create precise throttles for pressure wave attenuation.

Forged fuel distributor base body integrates mounting flanges with pressed sleeves to eliminate long protruding connecting pieces.

An evaluation device determines converter aging by measuring auxiliary gas concentration changes, resolving reliability and complexity trade-offs.

Dividing spar caps into stacked plates and fiber sheets allows precise shape matching while preventing internal pores that reduce structural strength.

A field device computing arrangement splits deterministic and AI operations across separate hardware units.

Indexing means reposition a seal in an air filter assembly, maintaining sealing reliability while allowing easy maintenance.

A labeling machine calculates remaining running time for glue and labels using continuous sensor data to optimize production scheduling.

Lightning protection device routes current through dedicated paths bypassing pitch and rotor bearings.

Segmenting the closed chamber from the generator resolves scalability issues, enabling portable electricity production.

A pulsed-plasma thruster uses an unbalanced theta-pinch to ionize gas puffs and accelerate plasma plumes via electromagnetic fields.

Shape memory alloy elements automatically adjust thermal conduction based on temperature changes, reducing system mass and complexity in aerospace applications.

An intermediary cover lip bridges the gap between inner and rear edge segments, preserving aerodynamic efficiency while accommodating operational stresses.

Segmenting the winch tether allows recovery without heavy lifting, resolving deployment complexity and reducing operational costs.

Vertical server racks use natural convection to move heated air upward, generating electricity from waste heat while eliminating energy-consuming fans.

Segmented piston end caps reduce contact stress concentrations to handle higher pumping loads.

Electromagnetic distance sensor determines build material volume via beam pathway reflection to prevent depletion during additive manufacturing.

Wind-powered suction units extract warm air from crevasses, replacing it with cold ambient air to reduce melting without complex pipe securing structures.

Scallop-shaped flange cut-outs and axial centering members reduce the outer radius of axial turbomachine housings while maintaining concentricity.

Replacing high-temperature materials with PEEK or PTFE shields reduces heat conduction to the generator, lowering cooling complexity.

Molding a motorcycle head box with segmented die convex portions creates branch air passages without secondary cutting operations.

A DC-coupled continuous wave Doppler radar system streams real-time water elevation data with sub-millimeter precision.

A thermostatic shape memory alloy torsional actuator uses ambient temperature changes to drive rotational movement without external current.

Thermal sprayed metallic coatings on valve sealing bodies dissipate heat to reduce temperature gradient stress and wear.

A multi-channel radar level gauge uses a transmission line probe to guide electromagnetic signals in distinct propagation modes for independent measurement.

Segmented ribs reinforce shallow bottom connection surfaces to boost rigidity while resisting transmission vibration.

Distinct acoustic signals differentiate fuel from urea aqueous replenishment, resolving confusion caused by generic buzzer notifications in work vehicles.

Integrating Helmholtz resonator units into the generator set base frame absorbs noise at specific frequencies without increasing space consumption.

Organic functional groups form protective layers on surfaces to reduce friction and wear in lubricant compositions.

Coupling ventilation conduits to heat shield panels transfers engine thermal energy directly to blow-by gas lines.

Adjustable pitch blade members optimize aerodynamic efficiency by resolving the trade-off between manufacturing simplicity and power generation productivity.

A compressor inlet guide vane control system moves vanes between positions to shed accumulated ice.

A modular intake duct system separates front and rear components to adjust sectional area without frame modifications.

SMA wire actuation replaces bulky gear mechanisms to adjust display curvature while preserving housing volume and backlighting integrity.

Reinforcing rings boost connection integrity against overpressures up to 10 bar.

A parabolic reflector wall focuses ocean waves to a single focal point where a buoy drives an underwater generator.

A gas turbine plant control method dynamically adjusts operational reference values based on real-time power demand transitions.

Variable fiber orientation angles at the support interface reduce conductivity anisotropy and prevent arcing during lightning strikes.

A hydraulically variable gas exchange valve train uses a submerged vent duct to maintain vacuum in the pressure relief chamber.

A wind turbine blade root end structure uses tapered pultruded elements to guide fibre lay-up over fastening members.

A sleeve between the central valve and rotor provides fluid separation and form locking.