Machines/Engines TRIZ Cases

An air gap between the plate body and controller discharges fuel gases to the atmosphere, preventing electronic component damage.

A shape memory actuator uses a switching mechanism to connect drive means with heat-conducting elements only in end positions.

Undulating surfaces within the ventilation chamber divert condensed water away from combustion ports, preventing engine misfires in humid conditions.

A bending-insensitive optical fibre detects torsion by minimizing measurement errors caused by sensor bending over extended distances.

A leakage passageway connects an injector accumulator to a flow limiter valve inlet, maintaining fluid communication with the common fuel rail.

Engine cooling fan positioned between crankshaft and alternator directs airflow through the engine block.

An annular chamber around the seal skirt limits seizing risks and creates a high-pressure zone to prevent oil leaks.

Inclined second bodies connected via submerged hinges enable omnidirectional energy extraction across broad frequency bands.

A filter guide ramp positions connecting elements during installation, resolving complex alignment issues.

Asymmetric pin and channel configurations verify authorized filter elements, preventing damage from imitation parts while enabling fluid drainage.

A concentric camshaft drive adapter uses a segmented gasket groove to rotationally fix the inner shaft.

A tubular curved intake component uses a breathable fibrous inner wall to manage airflow through the passage.

Merging the shutter holding member with the shroud eliminates gaps that cause heat loss, reducing component weight and cost.

Integrating a resonator within a printed circuit board eliminates external components, resolving mechanical tolerance issues and reducing assembly complexity.

An open cross-section shielding conductor allows viscous liquids to flow through the probe structure, preventing clogging and simplifying maintenance.

Segmenting the pulsation hole channel prevents condensed fuel oil blockages and ensures stable engine cooling.

Glass fiber reinforcement structures support wind turbine blade webs while a carbon fiber stiffening element reduces mass compared to heavy pultruded strips.

A plasma actuator generates directional air flow to shield vehicle sensor detectors from environmental interference.

Angled pressure-side box walls with increased spacing at pin hubs distribute lateral loads across the piston structure.

A fuel injector hydraulic connection uses a spherical bearing surface to enable stress-free attachment during assembly.

A liquid level sensor uses a float moving along a sleeve to trigger reed switches at specific heights.

Grinding and cutting tapered preform layers reduces fiber waviness and material waste in wind turbine rotor blade manufacturing.

A fuel filter element with a bayonet projection engages the housing cover for easy removal alongside multi-stage water separation.

Segmented air cleaner structure enables direct throttle body access, eliminating engine dismounting during maintenance procedures.

Austenitic iron-base alloy with optimized chromium and nickel content provides wear resistance for valve seat inserts.

A steam turbine valve drive device integrates local hydraulic pressure generation to simplify piping and reduce oil usage.

Decoupling guide bodies from a connecting rod simplifies fuel injector manufacturing by reducing complexity and costs.

An integrated microwave circuit combines signal generation and mixing functions to determine filling levels in radar level gauges.

Segmented pre-cured laminate plates with channels enable conformance to rotor blade curvature, resolving stiffness versus manufacturability trade-offs.

A dual flow check valve employs a buoyant seal that moves between open and closed positions to prevent oil contamination in the crankcase ventilation system.

A computer model estimates turbine loads to auto-calibrate sensors without manual intervention.

A segmented funnel assembly uses adjustable sleeves to reach various oil fill holes without manual holding.

Circular arcuate intermediate flow channel guides steam between main throttle and control valves.

A disposable vacuum motor uses a linearly oscillating piston to generate power for medical tools without batteries.

Static airfoil structures induce vertical airflow to displace slow-moving wake air with faster surrounding wind.

An axisymmetric point absorber applies dynamic impedance matching to capture energy across varying wave conditions without mechanical end stops.

Variable stiffness socks reduce blade weight while maintaining structural integrity for larger rotors.

An ignition apparatus disconnects the energy inputting line from the primary winding using output halt switching means.

Non-parallel rotor shafts adjust their angle relative to wave propagation, resolving the trade-off between structural simplicity and variable wave adaptation.

Variable thickness in the peripheral seal reduces volume while maintaining reliability.

Intrinsically safe circuitry limits energy delivery from a remote data concentrator, preventing ignition risks from lightning and radiated fields.

Redirecting heated fluid via shrouds minimizes condenser inlet temperature, reducing compressor power usage and preventing air recirculation.

A knocking sensor locks the annular weight using a protruding portion formed by plastic deformation of the metal shell cylindrical portion.

Counterweight arms on a rotating machine lift heavy masses against gravity to produce clean electrical energy.

A circumferentially closed autofrettage housing integrates a radially movable piston sealing element to contain high-pressure medium within workpieces.

Segmented pneumatic circuits with independent quick-exhaust valves deliver consistent response times and adjustable force to reject products without damage.

A coupling device with a subwavelength coaxial transmission line and mode converter provides impedance matching for guided wave radar probes.