Machines/Engines TRIZ Cases

A compact fuel supply device integrates a buffer volume within the pump housing to stabilize upstream pressure.

A segmented air intake system uses a temperature-sensitive foam plug to selectively impede airflow through an external inlet duct.

An electrically heating textile integrates directly into internal combustion engine fluid housing walls to provide efficient thermal management.

Magnetic shielding confines plasma in a Hall thruster, eliminating ceramic walls and reducing mass.

Transparent polycarbonate panels on a composite wind turbine blade reduce visual impact while preserving power generation.

Composite marine cylinder oil additive balances base number and viscosity to resolve adaptability versus reliability trade-offs in onboard blending systems.

A beverage machine level detector uses light refraction to sense liquid surfaces without intrusive components.

Variable chord length distribution along the blade span minimizes blade root bending moments and yaw moments while maintaining high power generation efficiency.

A multipurpose powerplant combines tidal kinetic energy conversion with photovoltaic pumping to store hydraulic potential energy in upper reservoirs.

A lubrication conditioning system heats solid lubricant to liquid state for efficient tire bead seating.

Varying electrical heating element width along the rotor blade radius compensates for uneven power requirements, preventing root overheating and tip icing.

Segmented impellers driven by a dynamic rotor stabilize fuel pressure while preventing vapor lock caused by high-speed rotation heat.

A cylindrical reinforced concrete enclosure reduces wind drag on the central truss tower, allowing efficient unstacking of ballast blocks near wind turbines.

A cam-actuated draw latch secures a filter cartridge axially, eliminating rotation for crowded spaces and preventing fluid leakage.

A pressure side winglet with specific sweep and pre-bend geometry modifies airflow at the rotor blade tip to reduce aerodynamic losses.

Dispersing hard particles in a sintered valve guide matrix improves wear resistance under severe sliding conditions with reduced lubricant supply.

A bearing housing recessed portion houses the variable nozzle link mechanism to reduce thermal deformation of the support member.

Composite fuel filter panels combine wetlaid synthetic fibers with spunbonded layers to achieve three times the dust holding capacity of prior art structures.

Segmenting primary windings in a multi-charge ignition system reduces peak currents, lowering copper losses and EMC emissions without adding device complexity.

An ignition controller monitors primary winding current to detect inflection points for precise spark timing.

Periodic frequency modification based on phase locked loop status reduces energy consumption while maintaining measurement precision.

Fusion-bonded portions avoid grid overlap to prevent swelling, maintaining fuel passage area and preventing tank contact damage.

Segmented absorber regions with distinct bending rigidity maintain fastening security while preventing skin stimulation and crease formation.

A 3D laser scanner measures surface area to calculate liquid volume changes in containers.

A shape memory alloy coil spring actuator generates linear displacement through phase transformation.

Adjustable marking bodies resolve the trade-off between structural simplicity and adaptability by enabling clear visual indication of critical fill ranges.

A normally open fuel injection valve uses spring force to maintain a default open state for safety and pressure retention.

Spring engages stator indent to lock rotor position, preventing drift after engine shutdown.

Segmented boot walls with radial standoff protrusions prevent collapse against the fuel injector to ensure reliable fuel containment.

A bimodal silicon carbide particle distribution optimizes fibrous structure porosity to facilitate homogeneous molten silicon advancement during composite manufacturing.

A bimetallic spring actuates a safety unit to move the cam element into a basic safety position.

Segmented moving bodies travel on rails to reduce noise while maintaining high electrical energy generation.

Segmented bumper with axial extension reduces radial deflection during surge conditions.

Variable torque design reduces energy consumption by enabling automatic position holding through preferential angular states.

A return tube extends into a fuel filter cartridge to collect and drain immiscible liquids from the central region.

Shot blasting creates recesses on a passivation film to deposit metal layers for enhanced corrosion resistance.

A fitting protruding portion on the hub body directs leaked oil back into the nacelle to prevent external leakage.

A cavity shell accelerates wind into a vortex using Venturi and Coanda effects to increase blade energy harvesting.

Flat spring characteristics and axial magnetic overlap resolve the trade-off between fast return time and travel range in camshaft adjustment devices.

A knitted tubular sleeve integrates openings directly into the wall during manufacturing to accommodate protrusions without secondary operations.

A regulated oil separator uses a movable throttle diaphragm to dynamically adjust the nozzle gap cross-section for efficient crankcase ventilation.

A single closure element seals the oil drain opening and filter housing passage, reducing component count while enabling sequential pressure equalization.

Segmented nozzle surfaces prevent gravity-driven fuel accumulation to stabilize mixture delivery in rotary carburetors.

A wave energy recovery device uses a movable channel bottom to maintain optimal water depth for efficient electrical conversion.

A two-phase composite coating protects niobium-silicon substrates through a viscoplastic silica layer and a silicon-chromium-oxygen reservoir.

Nested armatures balance reciprocal torques to stabilize mooring and prevent cavitation without increasing device size.