Machines/Engines TRIZ Cases

Repositioning the gas outlet opening opposite the separation disk stack eliminates side wall channels and reduces flow resistance in centrifugal separators.

A vehicle air cleaner assembly integrates a diffuser supported by structural members that guide airflow to tune intake sound.

A wave energy converter uses tuneable linkages to align buoyant bodies in anti-phase motion for specific wave fields.

A filter housing includes a collecting chamber upstream of the media where dirt particles drop by gravity when flow stops.

Active front end controller regulates concrete block speed in wellbores, reducing environmental impact compared to battery systems.

Shape memory alloy portions with crimping lugs and slope angles stabilize lens movement, resolving miniaturization trade-offs.

A fuel injection valve uses a support ring engaging under the inlet sealing ring to rest on plastic overmolding for indirect axial support.

A connector valve body switches between forward and orifice flow paths using fuel pressure differentials.

Multiple air intake ducts with distinct lengths create specific resonance frequencies to generate audible engine speed cues for riders.

A vibration-driven energy harvester uses ionic liquid to generate power through electrical double layer area changes.

A penetrant using vegetable oil fatty acid esters replaces petroleum distillates to enable capillary flaw detection.

Gradual geometric parameter changes in the matching section eliminate nozzle reflections that create measurement deadzones near tank ceilings.

A metal-containing composition with dispersed particles fills a sealed piston cooling gallery to dissipate heat, preventing oil degradation and carbon deposits.

An inclined ramp reduces flow turbulence and gas bubble formation in heated fuel, thereby increasing delivery capacity.

A spiral passage wall retains a powdery deterioration prevention agent to enable smooth oil crossflow, reducing pressure loss while preventing oil degradation.

A double pump lubrication system recycles engine oil through a dedicated return path, preventing leakage and ensuring reliability during longitudinal turnover.

Segmented anti-reflection devices dissipate pressure wave energy to stabilize fuel injection and prevent harmful internal reflections.

A bin level indicator uses an oscillating paddle shaft to detect bulk material presence inside industrial storage bins.

Flowmeter feedback regulates plunger stroke length for precise lubricant delivery, resolving timing uncertainties caused by pressure and temperature variations.

A fuel filter positioned in a non-overlapping area surrounded by the head tube, main frames and down frame allows side access without removing the fuel tank.

Bolt-mounted force transducers and accelerometers calculate drum fullness, replacing complex weighing equipment to improve measurement reliability.

A fill level measuring device derives echo functions to differentiate container floor echoes from substance reflections.

Configurable stop actuators eliminate position sensors to resolve the contradiction between measurement precision and device complexity.

A cross-feed unit calculates required fuel flow to compensate motor torque during aggressive flight maneuvers.

A high-pressure fuel pump outlet valve uses a recessed stop body to guide the valve spring and define its opening stroke.

Primary forging creates dense grain flow lines in the valve head periphery to increase surface hardness.

A filter cartridge hooking body uses a profiled surface to ensure mechanical coherence during installation.

A submerged wave energy converter captures three-dimensional wave motion through neutrally buoyant members linked by a movable connection mechanism.

Compressed dielectric members eliminate air gaps to prevent unwanted corona discharge in dissimilar insulating materials.

A variable inlet guide vane assembly positions its rotational axis aft of the aerodynamic center of pressure to minimize clearance gaps between airfoils and end wall buttons.

Cascaded cartridge valves block hydraulic supply during servo anomalies, enabling component replacement without stopping the turbine.

A microwave sensor uses time expansion to stretch signals for precise distance measurement.

Electronic control unit computes S-cam lobe profile deviation from angle and displacement sensor data.

A switching roller finger follower system enables two-mode discrete variable valve lift operation with low friction and reduced mass.

Segmented elongate housing distributes scintillation and electronic components to reduce volume and heat generation in hazardous area level gauges.

A fuel supply connecting shaft uses a guide mechanism to position a stopper piece between a bulge portion and base.

Replacing relay-based controls with a power converter enables stepless thermal energy delivery, preventing ice formation while minimizing energy consumption.

A radar fill level measuring device sends transmission signals with multiple frequency ramps to detect significant reflectors.

Intermediary device applies axial force through dovetail slots to remove near flow path seals, resolving accessibility constraints in turbomachine assemblies.

An optical sensor detects feed levels in a poultry control feeder drop tube, replacing mechanical switches to resolve measurement precision issues.

An absorbent core with a rearward extension covers the urinary organ while elastic members prevent interference with hind legs.

A contactless laser doppler sensor detects waste water levels through a transparent tank lens.

Curved ridge portions in the resin surge tank enhance pressure resistance and reduce passage resistance for compact outboard motors.

A digital evaluation unit processes oscillation signals from a vibration detector to determine fill level and density in containers.

Radially stacked vanes resolve axial space constraints while maintaining actuation force.

Axial grooves in bearing bushes equalize pressure, reducing friction and eliminating complex bores.

Independent paddle rotation detects toner volume to prevent device damage from empty reservoirs without mechanical wear.

A rotor blade integrates a swiveling flap that opens via magnetic repulsion at low speeds and closes under centrifugal force.

A magnetic tag sensor generates stable dipole signals to detect riverbed scour depth.

Integrating the resonator chamber into the head box reduces front portion size while enhancing silencing effect through merged structural walls.