Machines/Engines TRIZ Cases

A compact air filter housing uses non-coplanar sealing and fastening edges to reduce thickness while maintaining fluid-tight integrity.

Segmenting the vacuum port module from the housing eliminates complex molding tooling while enabling flexible reconfiguration of sensing ports.

A smart beverage coaster uses a displacement sensor to generate signals that vary with container movement, enabling precise liquid level estimation.

Hydraulic actuation engages a center fastener lock during normal operation, preventing camshaft misalignment at engine start-up.

Encapsulating the helical compression spring with a heat-shrinkable element minimizes armature displacement caused by spring oscillations.

Voltage-controlled epitaxial semiconductor laminae replace mechanical mirrors to overcome material strength limits and boost propulsive force.

Rear-side mounting portion features higher rigidity than the front side to absorb collision loads while protecting fuel pipes.

Segmented vessels and hydraulic cylinders convert wave motion into pressure, eliminating carbon emissions from traditional power generation methods.

A fuel injector needle uses a rotational stop and bias force to assume a fixed position relative to the nozzle body.

Radial sealing prevents thread wear and connection fatigue by guiding the oil plug into a locked position with a spring element.

A non-contact sensor array monitors gas concentration and humidity to differentiate between urine and bowel movement insults in absorbent articles.

A spheroidal recessed inner region minimizes dead volume to reduce cavitation damage in fuel injector valve members.

Camera system tracks blade markers to measure deflection, reducing vibration sensitivity and improving fatigue life analysis.

A hollow poppet valve uses swirl-forming protrusions to generate inertial-driven coolant flows within the internal cavity.

Homogeneous resin construction eliminates bonding complexity while maintaining reliable sealing properties for automotive cooling systems.

An iron-based sintered alloy valve seat with a specific hardness plating film reduces insert temperature while maintaining wear resistance.

An elongated scintillator determines density profiles in containers, replacing multiple devices and reducing equipment complexity.

A reinforced fluid connector prevents kinking by enclosing sockets in a structural frame, resolving stability versus complexity trade-offs.

A material level indicator uses electromagnetic signals and compensating units to measure travel time differences for accurate detection.

A fuel injection valve collar with a rounded inlet surface creates a gap throttle to stabilize fluid flow separation.

High-pressure steam lifts movable grids in a turbine shutter, reducing friction forces and wear on grid components caused by differential pressure.

Integrated guides block cold air contact with PCV gas, preventing freezing and eliminating costly external heating devices.

Intermediary components create shape and force interlocking between metal and synthetic parts, eliminating complex threading while ensuring twist resistance.

Segmented actuating element prevents permanent magnet short-circuits while hardened engagement area resists wear in electromagnetic devices.

Central gas opening and hollow needle structure separate fuel streams, simplifying production while maintaining precise injection geometry control.

An inverted cone element creates a gas-tight seal at the probe transition in process sensors.

An articulated leg vehicle integrates motorized wheel assemblies and sensor-driven control to maintain stability on uneven terrain.

Diamond-like carbon coating on valve cone pieces reduces friction and wear.

Optimized concave curvature on helical blades resolves the trade-off between device complexity and energy conversion efficiency in inclined flow conditions.

Tuning spring connects wave float to rotor for inertial mass resonance, resolving low power generation efficiency from direct mechanical input.

Electronic evaluation unit processes Doppler frequency spectrum alongside echo curves to identify fill substance surfaces.

Insulated electrodes prevent electrical interference between adjacent containers, enabling precise individual ink level detection via capacitance changes.

A segmented capacitor propulsion system rotates charged cathodes through electromagnetic fields to generate unidirectional Lorentz force.

A helical member rotates about a vertical axis to capture horizontal wave motion and drive an electrical generator.

Ribbed hollow frame supports air cleaner filter element without fasteners, eliminating maintenance time and tool access requirements.

A thermally adaptive actuator body uses a transverse coefficient of thermal expansion gradient to manage elastic deformation.

Segmenting the nacelle into distinct compartments via an integral platform reduces weight while maintaining structural strength and access to sensitive parts.

Spline alignment guides automatically orient nozzle holes, reducing assembly time and cost.

Rapidly solidified pre-alloyed aluminum accelerates diffusion with titanium, reducing porosity and resolving slow sintering bottlenecks.

A concentric ring filter assembly rotates apertures to align flow paths.

An underflow structure expands the pressure-loaded piston area to prevent opening waves that distort injection start evaluation.

A dual fuel pump assembly uses a valve to regulate flow between two electric motors.

A filter element integrates a drain passage and seal to direct fluid flow during removal.

Segmented cover plates seal guard plate mounting gaps, restoring underfloor aerodynamics and reducing drag losses without redesigning the main guard structure.

A mechanical stress management system uses a biasing member to disconnect energy input from a shape memory alloy element.

Segmented floating bodies capture low-energy waves while eliminating visual impact through offshore placement.

Optimizing the relief valve seat angle to 40°–50° prevents cavitation erosion in fuel supply pumps while maintaining sealing performance at high pressures.

Copper core transfers heat to terminal, lowering firing end temperature by 100°C for better endurance.

A dual-chamber siphon device removes liquids from non-porous surfaces using a float-actuated flap valve.