Machines/Engines TRIZ Cases

Centering means on the filter insert align the screw housing seal with the connection flange, preventing installation leaks.

A bubble collector captures gas bubbles from a purge tube, enabling differential pressure sensors to resolve minute variations in deep tanks.

A printer ink tank uses an optical separator to direct light toward a photoelectric conversion device for precise level monitoring.

A road surface apparatus converts vehicle kinetic energy into electric power through a movable element coupled to current generating means.

An electrically actuated valve supplements a carburetor to automate fuel delivery, eliminating manual calibration time.

A vibration fill level gauge uses external percussion to measure bulk material levels without direct contact.

A buoyant object system converts gravitational potential energy into kinetic motion through cyclic inversion.

A polyaromatic sulfide sleeve isolates engine coolant from a nylon cross-over passage to prevent chemical degradation.

Variable profile crests and troughs in the cover plate optimize fluid flow and heat transfer to reduce piston temperature under severe thermal stress.

Cam phaser motor assembly generates electrical energy from camshaft torque during vehicle coasting.

A flexible polymer layer bonded with carbon nanotube paper creates an electrothermal actuator that bends rapidly under electrical current.

Segmented webs create radial flow channels that enlarge the hydraulic cross section, resolving delivery capacity limits in high-pressure fuel pumps.

A segmented secondary interface coating in ceramic matrix composites deflects crack propagation and blocks oxidant ingress during high temperature operation.

A fuel injection valve integrates its return spring with the armature bore to guide axial movement without external collars.

A segmented filter sleeve integrates a press-fit connection and centring section to simplify assembly of fluid injection valves.

Leaf springs deflect to absorb impact forces, resolving misalignment issues in energy storage block handling.

A vibrating body fill level sensor uses reception signals to modify transmission excitation for precise natural frequency tracking.

Segmented outer and inner bearing members handle distinct motions, reducing overall size while providing tailored torsional compliance for rotorcraft hubs.

A camshaft phaser integrates coaxial control valves to manage oil flow for phase adjustment and lock pin engagement within a compact rotor assembly.

Nesting vibration devices inside the coupling piece maintains channel grid size while ensuring precise detection.

A transparent cover ring enables visual fluid level reading from both sides, resolving single-sided access constraints in complex transmission assemblies.

A wind turbine rotor blade featuring a blunt trailing edge and suction side vortex generators to enhance aerodynamic lift coefficients.

A rotary valve switches pressurized air between tanks to measure liquid height via pressure differences, preventing sensor clogging from wastewater contact.

Primary and secondary chambers within a coaxial enclosure deliver broadband attenuation across 500-2000Hz without increasing overall duct volume.

Optimized steel composition with specific Nb and Mo ratios enhances high-temperature strength and oxidation resistance for exhaust valves.

Flat and arc-shaped electrodes resolve toner clogging contradictions while maintaining precise capacitance measurement sensitivity.

A buoyant container moves within an enclosure to generate electricity from flowing water.

Segmenting the anode from the plug prevents brittle debris generation during removal, reducing maintenance time and costs for marine corrosion protection.

Positioning an air introduction hole above and behind the oil inlet allows controlled air intake to maintain hydraulic pressure during heavy load traveling.

A microprocessor-based timing system generates stable autonomous timebases for pulsed plasma thrusters using segmented phase-locked loops.

Segmented conductive stripes form a Faraday cage that reduces surface impedance and thermal loading, preventing damage from unprotected blade sections.

Ultrahard turbine blades reduce friction and wear under high pressure differentials, enabling rapid directional changes in rigid downhole tools.

Extracting the pressure relief valve from the delivery chamber minimizes pressure pulsations and dead volume, enhancing pump reliability.

A spiral turbine housing uses an asymmetric circulation channel to generate secondary flow that directs condensate toward a dedicated outlet duct.

Segmented inlet duct walls with varying air permeability reduce intake noise across wide frequency ranges while limiting airflow resistance.

Triiron tetroxide oxide formation on iron-based sintered alloy surfaces prevents radial crushing and reduces wear volume.

Stacked damper bodies with an elastic member and stopper simplify installation while suppressing fuel pulsation.

Radial reference surfaces on flanges enable precise axial alignment of turbine casing parts, eliminating dedicated jigs and reducing assembly time.

High molecular weight polyolefins reduce oil misting, enabling higher detergent levels to control intake valve deposits in direct injection engines.

Non-linear frequency stepping suppresses side lobe interference and aliasing, enabling accurate fluid velocity and distance measurement.

An electromechanical converter unit paired with an electrically adjustable reference element enables precise time constant matching.

Internal stiffening structure members resist local buckling in wind turbine rotor blades, maintaining reliability while reducing material usage.

A fuel injector nozzle assembly uses a sleeve axially pretensioned by a secondary spring to form a precise stroke stop for the nozzle needle.

An external fuel indicator displays travelable distance and refueling rates to prevent overfilling when drivers need partial tank capacity.

Segmenting filtration into two filters with distinct pore sizes removes soot and sludge while maintaining additive flow.

Segmented ambient light measurement prevents interference with ink level detection, avoiding premature printing stops.

Inverted V recess in oil pan holds drain bolt head, reducing retained oil and preserving minimum ground clearance.

High zeolitic surface area in metal-promoted molecular sieves resolves low-temperature NOx reduction limits.

Evaluation device compares actual and desired operational states using temperature thresholds to prevent engine damage from faulty thermostats.