Machines/Engines TRIZ Cases

An independent filling device on the hydraulic housing enables initial chamber filling before engine startup, preventing gas bubble formation.

Multi-stage cold forging necks down semifinished blanks to eliminate buckling and cracking in heat-resistant materials while removing hot forging equipment.

Direct housing attachment eliminates separate clips, reducing stress on welded joints while maintaining secure sealing.

Surface coat layer with inorganic particles dissipates heat from exhaust gas, preventing catalyst deterioration while avoiding complex double-pipe structures.

A fuel injection valve separates the movable core from the needle contact point using a flange member to simplify geometry.

Dynamic serration angles adapt to environmental parameters, resolving the contradiction between maximizing energy yield and maintaining consistent reliability.

Integrated fuel sump with high-pressure pump prevents sloshing and fuel starvation during carburetor to electronic fuel injection conversions.

An adjustable buoyant body tether extends the angular energy capture range to 270 degrees, resolving the trade-off between productivity and device complexity.

Differentiating surface roughness on lower link mating surfaces suppresses shifting while avoiding excessive machining costs associated with uniform grinding.

A variable geometry turbine assembly uses a profiled cam member to drive a movable wall member axially for precise flow passage adjustment.

A damping groove on the plunger control edge creates a minute fuel flux to protect spill port walls from high-speed jet impacts.

Segmenting the pitch tube into detachable sections reduces assembly space requirements and eases maintenance operations within tight nacelle environments.

An integrated support structure houses dual injection pumps in one compact unit, reducing component count and volume compared to separate housings.

A liquid level transducer isolates sensor elements within a hollow housing to prevent corrosion and simplify assembly via snap-fit connections.

A fuel pump outlet valve seat extends radially via a slot to align with the plunger, minimizing dead volume and eliminating secondary retention methods.

Acoustic turbine generates thrust via sonic pressure differential across a barrier element to convert ambient heat into kinetic energy.

Two staggered vortex generator rows prevent flow separation while minimizing drag increase, optimizing energy capture from wind.

A compact oil strainer incorporates a frame notch to maintain structural support while allowing unobstructed fluid passage through inlet and outlet holes.

Auxiliary pressure relief valve reduces low pressure pulsations by averaging flow back to the pump inlet.

A modular expansion tank uses reorientable upper and lower joints to create multiple coolant circuit configurations from shared housing components.

Dynamic threshold segmentation resolves the contradiction between anti-interference reliability and detection sensitivity in biochemical analyzers.

A single filter housing contains two nested filter elements to process different fluids simultaneously.

Protruding ribs separate upper and lower filter papers at the folded portion, preventing material deposition and maintaining fuel flow.

Segmented main strut with joint allows cross strut movement for targeted component access, reducing maintenance downtime.

A vibrating assembly converts fluid flow into electrical energy through vortex shedding mechanisms.

Sensors detect fuel volume and trigger notifications when the tank reaches a predetermined threshold, preventing hazardous spills from overfilling.

Composite hose-shaped metallic connecting piece enables reliable operation at 260°C by preventing kinking and abrasion in high-temperature level measurement.

Angled facets in a transparent gauge body reflect ambient light to indicate levels, eliminating fouling risks from moving parts.

A metal hydroxide actuator uses a polymeric supporting film to achieve ultra-large angular displacements exceeding 1000 degrees.

A radar measuring device varies its signal emission rate based on detected fill level changes to conserve energy.

Parallel ventilation lines eliminate flow reversal in series-connected paths, enabling rapid air evacuation during initial cooling system filling.

A ball engine decompression mechanism actuates exhaust valves via a capsule assembly and biasing member to enable variable valve timing.

Dynamic discharge timing resolves the trade-off between complete energy transfer and spark cycle delay.

Reference sensors measure signal travel time to calculate speed of sound, compensating for pressure variations and ensuring accurate fill level determination.

A valvetrain with a pivoting guiding element and adjustable rotation axis transforms rotational motion into precise valve lift.

Placing the turbine behind the wing reduces drag and material strength requirements while maintaining energy capture efficiency.

A servo valve integrates a hydraulic coupler with a sealing gap to maintain pressure and compensate for length changes.

Optical imaging replaces complex probes to eliminate cross-contamination and improve measurement reliability.

Segmented housing prevents moisture clogging in exhaust pressure sensors while maintaining reliable sensing element access.

A sensor device adapts transmission power and reception gain across measurement cycles to determine fluid levels in collecting vessels.

A thin displacement driving device uses shape memory alloy wires to move movable plates for precise positioning.

Segmented cooling gallery sections with distinct inclinations manage high compression loads and reduce wear in the piston ring region.

Centrifugal force drives axially extending members outward, increasing air gaps to prevent excessive voltage at high rotational speeds.

A fuel injector body integrates a sealing surface and internal leak passage to prevent nozzle interface leaks.

A recovery hole below the labyrinth restricts reversely flowing oil in engine head covers.

Conical sliding seat geometry reduces particle wear and leakage in heavy oil common rail systems, ensuring long-term operational reliability.

Downstream flange placement and oversized grooves reduce axial bulk while maintaining shroud integrity.

An equalizer corrects intermediate frequency signals in FMCW sensors to restore measurement precision.

Annular grinding wheel flange inserts through retention element gaps to machine arcuate inner surfaces without contacting the shroud segment.

A turbine cooling circuit simultaneously heats bearing blocks and shell supports to equalize thermal expansion rates.