Machines/Engines TRIZ Cases

Inclined fan shroud uses integrated gutters to evacuate fluids via gravity, preventing heat-exchanger damage from accumulation.

A turbine vane mounting lug engages a flange ring channel end surface to secure the component.

Segmented Gurney flaps on wind turbine blades resolve the lift drag trade off by applying local quality principles to distinct blade regions.

A controller manages hydraulic oil supply to advance valve timing during engine start.

A stepped bushing member maintains assist spring contact area, reducing wear and leakage while increasing output torque in a valve timing adjusting device.

A dual auxiliary tank filtration system circulates contaminated fuel through a shared circuit to achieve ISO 11 cleanliness standards.

Resilient flaps on the fuel filter end cap automatically close the aperture during removal, preventing contaminant entry into the system.

Pre-sintering the ceramic layer prevents shrinkage strain at the interface during composite firing, maintaining interfacial bond strength.

A pivotable steering wheel rim assembly adjusts its position relative to the hub to optimize interior space usage.

Bent part linearly contacts adjacent element wire to increase primary natural frequency.

A wall-mounted actuator and vibration sensor measure oscillating forces to determine liquid levels without internal components.

Axial membrane expansion displaces hydraulic fluid, reducing circumferential stress and extending bladder lifetime.

Algal photosynthesis precipitates magnesium and calcium from degassed water, reducing density for safe reinjection while producing eco-cement precursors.

A filter insert uses a lid-triggered actuation mechanism to automatically close the drainage aperture during installation.

Nested cylinders and perpendicular crankshafts reduce overall length to fit opposed piston engines into vehicle compartments.

An intermediary coupling mechanism with a spherical ring and plastic distance element levels the fuel injector axially while simplifying assembly complexity.

Segmenting the collar from cladding allows drive train axis height adjustments without redesigning nacelle shapes or creating new tooling.

Electro-hydraulic actuator replaces throttling valves with electronic feedback control, eliminating heat waste while maintaining precise pressure regulation.

Bracket uses selective apertures to lock actuating arm, maintaining airflow while removing costly motor complexity.

Transit time fill level measurement improves accuracy by filtering unreliable echoes through amplitude-based quality criteria.

Replacing expensive brightstock with star polymers maintains antiwear properties while lowering formulation costs.

A self-regulating common rail pump uses mechanical feedback to vary output flow and maintain constant pressure without electronic control.

A cooling tower integrates a hydroelectric power generation unit to convert cooled water potential energy into electricity.

PTFE sealing lips resist corrosive media while maintaining seal tightness under pressure to prevent valve failure.

Communication groove in fuel injection device cylinder wall expands channel area for smooth fluid flow.

A separate spring fixing element prevents hydraulic sticking of the residual air gap disc, ensuring consistent armature closing times and injection duration.

Impressions between intersecting ribs increase localized wall stiffness, reducing high frequency noise without adding weight or manufacturing complexity.

A weighted gauge plate rotates to align with gravity, ensuring accurate liquid level readings on pressurized tanks.

Dual radar circuits segment transmission paths to detect cavities in bulk materials, resolving measurement precision issues caused by bridging.

A sight level gauge uses a rotatable U-shaped guard to protect the transparent tube.

A pit initiation evaluation system predicts corrosion using operational data.

Elastic anti-rotation device locks tubular member against bore wall, preventing debris generation from part rotation during fuel lance assembly.

Segmenting the heating chamber from the filter housing resolves maintenance complexity while enabling precise fuel temperature control.

Cutting defective portions creates joint surfaces for brazing replacement segments, restoring turbocharger reliability without full component replacement.

An elastomeric cover cap stretches onto a pump projection to accommodate electrical connectors and prevent moisture ingress.

A camshaft phaser arrangement uses concentric inner and outer shafts to enable independent valve timing control.

A surge tank protrusion unit creates flow resistance between air outlets to resolve air flow rate imbalances and stabilize the air-fuel ratio in V-type engines.

An integrated porous ceramic insert provides stable flow resistance without loose fillers, preventing plasma flashover during thermal cycles.

A nested optical sensor assembly monitors tank levels via photon beams through the measurement vial, eliminating manual reading errors.

A glow plug control device adjusts its resistance temperature characteristic to regulate surface temperature.

A dielectric separation element insulates the radar aerial from the feed device to prevent electrical interference.

A modular fuel rail assembly uses an adjustable fixation bracket to position delivery lines for various engine configurations.

Embedded shape memory alloy wires replace pneumatic systems, enabling large reversible deformations without external gas supply or complex drive mechanisms.

Periodic voltage cycling on the bipolar electrode distributes collected oil particles evenly, preventing upstream filter blockages.

A variable stator vane control system uses resolver feedback and trimmer motors to precisely position vanes within safe operational limits.

A glow plug electrification control apparatus measures temperature-raising-period resistance to dynamically adjust electric current supply.

Locking unit engages hooks on guide ring segments to apply tensile force, reducing assembly damage and injury risks.

An inflatable component creates a thermal and physical barrier inside hollow wind turbine sections.

Replacing mechanical interlocking with adhesive bonding eliminates assembly forces that deform the guiding sleeve and cause internal leakage.

A current-controlled electrode system regulates ion generation and fluid movement through adjustable current limits.