Machines/Engines TRIZ Cases

Dual lock pins and a control valve with recirculation check valves enable mid-lock positioning during engine cranking, resolving stop-start mode limitations.

A de-icing control device monitors the danger zone to initiate ice removal operations safely.

Switching heat transfer media between independent circuits resolves limited temperature adjustment flexibility in vehicle components.

Radial guiding elements concentrate fluid flow toward a central turbine to enhance power generation efficiency.

A graduated cylinder uses a color sensor and complementary LEDs to illuminate the liquid level for precise volume reading.

A dual-media fuel filter element combines particulate and coalescing layers to separate water from fuel efficiently.

A float with a lambda quarter filter structure reflects electromagnetic waves to measure fill levels.

Curved foil nozzle transitions electromagnetic modes, reducing power losses by up to 8dB compared to planar devices.

Synchronizing the inhibit signal with energization duration prevents premature ignition timing errors during overvoltage events.

Segmented dielectric sleeve in coaxial feed-throughs minimizes impedance mismatch, reducing microwave power losses by 5 dB to extend detection range.

A gasoline direct-injection rail incorporates a hollow part between the inlet orifice and fuel passage to increase internal volume.

Segmented fiber orientations match local stress states, reducing fabric layers and manufacturing complexity while maintaining structural performance.

Pivotally mounted latching elements engage aperture edges to protect cables, reducing reliance on heavy ROV load capacity during installation and removal.

A liquid level detection device fills the upper pipe with a filling liquid to minimize temperature-induced errors during rapid liquid discharge operations.

A fuel filter assembly uses a connector element to reversibly attach a filter bowl, enabling safe servicing without fuel leakage.

A soundproofing control system adjusts hollow portion pressure to shift resonance frequency away from source peaks.

Segmented buoyancy elements with vertical pistons harness wave motion for power generation and structural stability.

A rotor blade trailing edge segment increases chord length while managing boundary layer detachment via passive air flow.

Actively controllable extendible members adjust mooring depth and orientation for ocean wave energy converters.

An electric vacuum pump maintains consistent diaphragm pressure differential across varying altitudes and engine conditions.

Segmented housing portions and pleated filter media resolve the contradiction between contaminant removal effectiveness and device complexity in fuel systems.

Optical distance sensors measure peripheral surface deformation to quantify structural ovalization in hollow components.

A breather chamber uses a downwardly protruding peripheral wall to guide oil away from the blow-by gas inlet.

A partially external dielectric probe splits radar signals to guide distinct reflections for shallow and deep substance layers.

A neoprene cylindrical cover retains heat around diesel fuel filters to prevent paraffin wax crystal formation.

An overlapping bearing and winding section limits thrust forces on the vane rotor, reducing frictional wear during operation.

A pin constrains relative movement between the armature assembly and valve element in an injection valve.

A fuel water separator filter uses nested sealing regions to join inner and outer filtration stages for reliable fluid containment.

Analyzing pitch motor current frequencies detects hidden blade cracks early, avoiding costly downtime and complex fiber optic installations.

A centralising device spaces a lightning receptor block within a wind turbine rotor blade cavity to maintain precise positioning.

Lowering oscillating circuit voltage after ignition sustains weak corona discharge, enabling continuous combustion monitoring while minimizing electronic wear.

A filter assembly uses an undulating bead seal to prevent element rotation while a vent orifice bleeds air from the housing, preventing erratic fuel delivery.

Positioning a breather chamber above the vacuum pump separates oil from blow-by gas, reducing mechanical losses from compressing liquid in V-type engines.

A rotating platform supports heavy engine blocks inside a wash chamber with a dual-portion lid.

Ferritic stainless steel sheet with controlled copper concentration prevents scale spallation in exhaust systems.

Segmented windings and spark gaps discharge lightning currents to ground, eliminating sliding contact wear and electromagnetic noise.

An automated control system verifies overspeed protection functionality during normal powerplant machine operation.

Segmented conductive tip module overlaps truncated blade interface to attract lightning strikes and protect junction from erosion damage.

A suction device holds shape memory alloy wires using gas pressure to position them accurately along a profiled edge.

A fixed filter around the pushing rod prevents particle contamination from reaching the electromagnetic actuator, ensuring reliable pump operation.

Integrated ceramic electrode eliminates air gaps and firing tips, reducing energy loss in igniters.

A fuel system uses distributed accumulators and flow limiters to manage pressure oscillations in engine cylinder heads.

A flexible sealing member bridges overlapping rotor blade segments to maintain structural integrity while accommodating joint movement.

A capacitive water level sensor measures reference charging time between voltage thresholds to determine liquid height.

A movable member forms a sealed recess for piezoelectric vibration detection, minimizing evaporation while ensuring precise liquid level sensing.

Segmented actuator design enables detachable aerodynamic devices on wind turbine blades, simplifying maintenance and transport.

Aerodynamic loads pivot turbomachinery vanes around a trunnion, eliminating heavy mechanical actuators to reduce device complexity.

A forged piston aligns metal fiber flows nonparallel to the forging direction through twisting.

Friction fit mechanisms secure shape memory alloy wires inside a drum, preventing slippage during thermal contraction cycles.

A compression assembly mounts a conformable capacitive sensor to an outer cage, enabling accurate level detection without direct container adhesion.