Machines/Engines TRIZ Cases

A dynamic de-icing system redistributes unused heating power among wind turbine rotor blades for parallel thermal treatment.

Segmented heating cartridges enable periodic thermal cycles that reduce cooling time and energy consumption while maintaining localized tacking precision.

Through holes in insulator bodies move electric charge to electrodes, suppressing static electrification risks in aircraft fuel tanks.

A threadless magnetic oil drain plug uses a cylindrical stem and disc magnet to seal the engine oil pan.

A magnetically regulated oil drainage apparatus uses an actuation lever to align internal magnets for controlled fluid flow.

An integrated centrifugal separator merges the rotor and drive shaft to reduce volume in densely packed engine compartments.

An intake manifold flange uses a variable annular seal groove width to secure mechanical strength at fastening points.

Valve mechanisms open only on pressure differences, preventing water ingress and bearing damage during submerged operation.

A dead-time circuit prevents premature cut-off from spark noise by masking residual charge in the high-frequency filter.

Submerged condenser design reduces deep sea water pipe diameter in ocean thermal energy conversion systems.

Safety controller feeds distinct signals through conductive wires to detect mooring line breaks, preventing turbine overturning in deep water.

A dental turbine rotor redirects propellant gas via a return flow channel to oppose rotation, reducing idling speed while maintaining maximum torque.

Mechanical fastening replaces welding heat to prevent thermal distortion while securing bearing housing components.

Varying the high-pressure bore cross-section lowers the first pressure peak and minimizes wear on internal combustion engine components.

Lattice structure shear webs replace resin infusion processes, reducing manufacturing time and costs while maintaining structural integrity.

A protective device surrounds a mechanical oscillator to shield it from fluid disturbances in level measurement applications.

Lever, cam member, and ratchet teeth enable precise jaw articulation, resolving the trade-off between precision and device complexity.

Semi-permeable membrane chamber drives a pump-generator unit via a common shaft to produce electrical power from osmotic pressure.

A helically wound wire around an untwisted polymer core converts radial thermal expansion into torsional actuation.

A motorcycle air cleaner case half body consolidates the element access port, purified air outlet, and outside air suction port into a single structural unit.

Alternating chamber sizes in the breather cover condense lubricant vapors, preventing loss and reducing emissions.

A pressure-actuated flap valve in a cylinder head cover manages blow-by gas flow through the connecting piece.

A vehicle bonnet cover member uses a low-rigidity elastomer resin in the front side walls to absorb impact energy.

A positive crankcase ventilation valve uses sized apertures and a pressure-responsive element to separate oil droplets from blow-by gases.

Permeable bottom walls and arranged fuel stoppers mix air with fuel, preventing preferential air suction during inertial forces.

A dual deflection unit laser scanner system scans transmitted light beams periodically to measure distance via time of flight.

Time-multiplexed single conductor controls two ignition coils to reduce wiring complexity and assembly time while maintaining combustion stability.

A vehicle power generator control apparatus manages magnetic-field current to stabilize engine rotation speed.

An iron-based alloy with specific carbon and chromium ranges achieves high hardness through tempered martensite formation.

A retractable syringe needle uses a transverse aperture to bypass dead volume and eliminate visible bubbles.

A spacer interposed between a fastening bolt and a sound insulation cover distributes axial pressure to protect the mounting opening.

Compression sleeve applies radial stress to counteract hoop stress, enabling 3000 bar operation without altering fluid dynamics.

A thermal snapdisc actuates a sled to separate conductive tabs and break the spark plug circuit.

Dual outlet flow paths decouple limited actuator stroke from required needle travel, enabling precise injection timing and quantity control.

Variable radial distance paths on rotating masses generate cyclic inertial force magnitude while minimizing friction losses.

An extension part creates a positioning area that prevents thin-wall melting during welding, avoiding pipeline leaks.

Integrating the oil heat exchanger within the engine oil pan reduces system complexity and weight while controlling engine oil temperature.

An air introduction path mixes fresh airflow with hot radiator discharge, reducing rider discomfort from heated exhaust.

A spring-biased piston seat cover absorbs impact forces between differential-stroke pistons to mitigate noise and prevent fuel mixture knocking.

A valve timing adjustment apparatus uses a single-row ball bearing roller to support a planetary carrier.

Multiple equipotential bonds between lightning conductors and the heating device prevent flashovers caused by induced voltages during strikes.

Series-connected tension and pressure piezoelectric stacks keep the diaphragm loaded under positive or negative process pressure, preventing drive failure.

A frequency-adaptive window function corrects amplitude variations in FMCW radar evaluation signals for precise distance detection.

Localized oil mist generation eliminates pipework blockages and system complexity by delivering lubricant directly into the bearing housing.

Inverting flow direction settles water droplets, resolving separation and maintenance trade-offs.

A vehicle air supply conduit acts as an acoustic resonance body to radiate sound into the passenger compartment and external environment.

A hollow tubular rotor body serves as the main shaft in wind turbines, enabling internal airflow for component cooling.

A variable oil pump restricts discharge amount during engine state changes to maintain hydraulic pressure within an upper limit.