Machines/Engines TRIZ Cases

A double pipe part at the connecting tube upstream end creates a separated space for effective flow alignment in compact air cleaner designs.

Segmented illumination and multiple photodetectors increase reflection probability, resolving the trade-off between detection accuracy and operating speed.

A communicating pipe connects dual intake collectors to equalize negative pressure distribution from a brake booster supply port.

Flexible printed circuit electrodes adapt to cylindrical surfaces, eliminating corrosion risks from direct liquid contact.

A fuel pump adapter uses a pilot portion to align and fasten the drive shaft without disturbing adjacent drivetrain components.

Hydraulic anti-siphon valve controls oil flow during windmilling, reducing system complexity and fire risk without external sensors.

A flat air channel floor in the downstream region of an intake port creates flow separation and tumble motion for lean-burn gasoline engines.

Adhesive assembly board connects sectional wind turbine blade portions to resolve joint strength versus transportation cost trade-offs.

Insulating nanowires support an ionic liquid layer that reduces counterion accumulation and prevents degradation during high-intensity operation.

A radar fill level measurement device integrates transmission and reception channels on separate circuit board planes to radiate signals via a shared antenna assembly.

Directional couplers extract clean reference signals before transmit switches, eliminating delay lines and leakage interference.

A dedicated fluid conduit extracts excess heat from the electrode array to prevent tissue charring and device compromise during ablation.

A wind turbine blade with a narrow shoulder and thick airfoil profiles reduces structural loading while maintaining mechanical strength.

Segmented rotary drain pin prevents oil leakage during maintenance by allowing instant separation without unscrewing.

Lubrication system bypasses pressure regulating valve seat to reduce oil velocity, forming larger droplets that the de-oiler removes from vent line mist.

Inverted annular retainer structure achieves axial compactness while eliminating assembly complexity and deformation risks.

A fuel tank sight glass integrates a movable cleaner element that travels along the interior surface to remove deposition material without disassembly.

Low-coherence optical interferometry detects the elevation of the liquid meniscus to calculate volume without invasive sampling or well uniformity assumptions.

A monobloc fuel filter cartridge merges the element and closing piece to separate water using radial communication ducts.

Segmented piston pump housing uses thick inner cores and thin outer casings to lower material mass.

Nested throttle bore sleeves displace guide play inward to compensate for assembly tolerances, reducing fuel leakage while maintaining sealing performance.

Resilient partition members with inclined contact surfaces maintain airtightness without external force, resolving abrasion and assembly gaps.

Sealing members fill gaps between overlapping rotor blade segments, allowing relative movement while mitigating noise and aerodynamic inefficiencies.

A fuel sender uses latching magnets and reed switches to measure tank levels accurately.

Sequentially energizing multiple plasma thruster arrays via digital progression resolves directional control limitations in complex propulsion systems.

A molecular mill apparatus uses humid air to transport charges through an electric field, generating electric potential without moving parts.

Insulation means isolate the thin volume between the injector nut and body, reducing pressure wave resonance that causes fuel disturbances.

Segmented spring clips secure injector cups against rotary movement, resolving fixation reliability issues in high-pressure assemblies.

A circular slot emitter design using precision metal studs to define the gap width.

Housing with forward stabilizing plate and aft ballast controls pitching motion to resolve stability loss during high wave height conversion.

Multi-cavity mold produces T and L shaped hydraulic connectors with consistent arm angles, reducing production costs for varying engine architectures.

Segmented hook support bar enables axial removal of bottom diaphragm halves without rotor disassembly, reducing maintenance complexity.

An asymmetric connection mechanism merges the lid and filter insert, enabling simultaneous removal to reduce maintenance time and contamination.

A pressure-actuated piston adjusts spring compression to prevent valve float during high exhaust manifold pressure.

A wind turbine stability monitoring method excites tower oscillation to measure natural frequency changes for reliable structural assessment.

A fuel injector purging check admits pressurized air into the sac to remove residual fuel before injection.

Tin and nickel additions in ferritic stainless steel enhance corrosion resistance while maintaining workability, reducing reliance on expensive molybdenum.

Axial spacing between ignition and exciter coils reduces mutual inductance while merging terminals simplifies assembly.

A fuel injector clamp uses an offset bolt hole axis to secure the injector while accommodating tight valvetrain packaging.

Replacing polymer thrust washers with a ball bearing assembly reduces friction and wear in aviation fuel control valve assemblies.

A fluid accumulator arrangement with two storage volumes linked by a control valve manages fuel pressure dynamics in diesel engines.

Flexible seal compensates for ejector pump lifting under external loads, preserving negative pressure and fuel delivery capacity.

Countersunk bores and protrusions secure the switchover valve against axial displacement and twisting, resolving leakage risks from oval deformation.

Reflecting wall at extending portion end face reduces 600-2000 Hz noise while maintaining low pressure loss.

A compression ratio varying mechanism adjusts piston position using a lever arm and control link to optimize engine performance.

A slideable cover maintains the oil pool near the intake base using minimal friction brackets.

A parallel check valve increases passage area to accelerate high pressure side filling, resolving slow pressurization during cold startup.

Lookup tables map operating temperature to frequency control parameters, reducing the time required to achieve stable pulse repetition frequency differences.

A deformable centering contact element accommodates differential radial expansion between concentric parts, reducing interface area and part count.