Machines/Engines TRIZ Cases

Detachable bottom and front cover plates open direct access to ATV power and air-filter parts without removing the full container.

Cooling medium passages on both sides of the crankshaft improve stator heat removal in high-power engine generators.

A buoyant floating ball seals the vent port during coolant flow, preserving air ventilation while reducing coolant loss, pump load, and NVH.

A magnetically anisotropic pole shoe guides flux by direction in an MSMA actuator, cutting losses and enabling bidirectional holding with less energy.

A shape memory alloy and superelastic layer pair adds strain feedback for compact, high-stroke actuation with better cycle durability.

A pre-molded conductive layer in an insulating base simplifies SMA OIS motor assembly, removes adhesive fixing, and improves connection reliability.

A removable bottom panel replaces the hood to improve engine access while preserving body stiffness and reducing vehicle mass.

A hinged control box cover and microswitch improve access to standby generator terminals while reducing disassembly time and electrical exposure.

An insulating fuse housing combines holder, contacts, status indication, and remote monitoring to simplify surge arrester overcurrent protection.

A floating electrical barrier and blocking capacitors isolate incompatible energy and DC components for simpler intrinsic safety in explosion-proof radar gauges.

Counterflow oil and gas cooling keeps rotor and stator temperatures from converging, preventing overheating and preserving output efficiency.

An inorganic heat shield layer protects acoustic material near exhaust components while preventing smoke and odor at high temperatures.

A single valve links or isolates battery, power electronics, heater, and radiator loops to manage heat loads with less hardware and energy use.

Timed current recirculation in the ignition coil limits voltage stress on the energy supply circuit without disrupting the next spark event.

A gravity-swing sensor housing keeps the detection axis vertically downward on tilted mounts, preserving distance accuracy and reducing maintenance.

Resilient thermoplastic beam stops absorb end-of-travel impact in a direct-drive rotary actuator, enabling reliable open-loop valve lift control.

A coreless stator and yokeless Halbach rotor cut heavy steel parts, helping flywheel storage shrink while raising mass energy density.

Two partially immersed rotating bodies use hydrodynamic spacing and synchronized rotation to generate continuous power with less infrastructure.

A ductile elastomer barrier with absorbent material contains vehicle fluid and delays collision release to reduce fire risk.

Two partially immersed rotating bodies use synchronized rotation and upstream oscillation to generate continuous river power with lower infrastructure impact.

A pump-driven oil removal setup cuts manual drain time by extracting engine oil and transferring it through pressurized intermediate storage.

Separate heating and cooling keep ferromagnetic elements above and below Curie limits in sequence, preserving magnetism and power output.

A splash-shield discharge path vents hot air from the exhaust control device into the wheelhouse before it can overheat the transmission.

Variable converter input and energy storage let a two-wire loop-powered field device use more available loop power while keeping measurement signals stable.

A slip-ring remote fuel pick-up tracks fuel on steep inclines, preventing pump cavitation and air intake in off-road tanks.

A pressure-driven sensor channel isolates the sensing element from flow, improving fluid level detection and preventing false valve triggers.

A dual-seal coaxial coupler isolates extreme pressure and temperature while preserving RF signal quality for accurate tank level measurement.

Independent interdigitated sensor sections improve deep-tank level resolution while reducing electrical noise and parasitic capacitance.

A removable coil reef uses dynamic destructive interference to dissipate wave energy, reduce erosion, and support marine growth.

A movable magnet driven by gas bubbles or ballast in a fluid-filled tube generates power with modular, lower-scale deployment on land or underwater.

Integrated impedance spectroscopy detects antenna adhesion and vapor states, helping level radar maintain accurate continuous fill readings.

Direct magnetohydrodynamic seawater flow channels generate electricity without turbines, cutting marine maintenance and wildlife impact.

A flexible hose with an enlarged sealing section passes through the engine cover to block hot air leakage while cutting seal parts and assembly cost.

A bent long intake passage and in-cleaner valve switch airflow by engine speed, improving air charging while keeping the intake structure compact.

Retrofitting a truck-style air compressor onto an ancillary industrial engine supplies instrument air without standalone compressors or methane venting.

Counter-rotating ceramic flywheels and magnetic bearings cut gyroscopic forces, absorb road shock, and improve vehicle energy storage safety.

Ocean waves drive oscillating water masses to compress air for turbine power while the floating platform also cools dense computing loads.

Two opposed tangential-flow turbomachines spread air evenly across an EV heat exchanger to cut turbulence, noise, and packaging bulk.

A locking shell secures the degassing tank cap to block unskilled coolant topping, preserve leak visibility, and reduce battery-contact risk.

A bypass turbine module redirects part of pipe flow to generate power while keeping the main line serviceable and accessible for maintenance.

Resistance from SME and PE sections is used to estimate actuator position, enabling closed-loop SMA control without external sensors.

Separating EV loads across two batteries and cutoff switches limits parasitic drain while keeping essential systems powered when recharging stops.

An integrated flange cover hides hinge rivets without a separate bridge member, cutting parts while improving rigidity and assembly ease.

Using Curie-point magnetic phase transitions, this case shows how a stator-rotor converter recovers low-grade waste heat more efficiently.

A higher generator rotor inertia suppresses turbine overspeed during load rejection, enabling 150 MW+ single-casing power generation.

A gap-free conductive coating on a solid dielectric core enables bendable microwave transmission with low attenuation and better interference shielding.

Insulating dielectric beads cut grain-induced radar attenuation, enabling flexible probes to measure silo filling level and density more reliably.

A metal shell and polymer dam partition the coolant jacket to improve e-boosting motor cooling in tight packaging with efficient flow control.

Extendible legs and support shoes stabilize wind turbine rotors during blade removal, protecting the hub from tipping and ground damage.

Rotatable airfoils on closed loop tracks increase linear rotor speed to boost power density while reducing massive support tower costs.

A wind turbine blade maintenance device travels along the leading edge using extendable support units and rotating brushes for surface cleaning.

Tabs on the check valve plate engage indentations on the locking cover to maintain component alignment, preventing inadvertent rotation of loose parts.

Adaptive variable pitch blades adjust angles to optimize wind energy capture on a vertical axis rotor.

Angled separation lamellae capture moisture from incoming combustion air using inertia and gravity drainage.

Extracting the safety barrier from the housing resolves the contradiction between explosion protection and display operability.

A switchable valve bridge uses a locking collar and ramps to actuate radial latches for mechanical lash adjustment.

Concave box walls and flush pin bosses reduce inertial loads in internal combustion engines, preserving stiffness against wear and strength trade-offs.

Scalloped support arms with filleted corners distribute thermal loads, reducing strain range and extending low cycle fatigue life during transient operations.

Strain gauges on the prechamber spark plug housing detect mechanical deformation to determine combustion pressure without adding complex sensors.

A fuel injector control valve uses an axially adjustable piston and spring to balance pressure forces.

Temperature sensors feed data to a controller that adjusts grease volume for generator bearings, preventing damage from inadequate lubrication.

A resilient cover plate encloses and circumferentially preloads a spiral spring within a hydraulic camshaft phaser stator recess.

Inlet concavities direct airflow toward the metering rod to enhance fuel atomization, resolving emission constraints without adding electronic complexity.

Torque-proof actuator integration eliminates separate retaining elements, freeing internal space for additional components like oil pumps.

Carbon fibre wind turbine blades use controlled carbonisation to increase electrical resistivity.

Segmented beam welds join piston inserts to base bodies, reducing crack formation risks in high-stress bowl edge regions.

Integral braces on composite intake manifold covers mitigate rocking mode vibration while lowering part count compared to external brackets.

Dual plate structure guides light through precise through-holes to maintain consistent optical paths for sensor head measurements.

A light-responsive coordination polymer undergoes cycloaddition to generate photoinduced stress.

A floating canal system captures kinetic energy from flowing water while protecting aquatic life and preventing debris blockages.

A sound proof box base divides into upper and lower stages with a partition wall to guide cooling air flow.

A deterioration determination circuit monitors absolute temperature increases to assess switching circuit health.

Radial SMA modules enable continuous work output by eliminating parasitic losses from slow reciprocating frequencies.

External adjustment of coil spring compression via deformation element resolves wide fuel flow rate tolerance range.

Curved aspiration scoop extends through fan shroud to generate vacuum, preventing filter clogging and reducing noise in work vehicle air intake systems.

An inclined groove bottom redirects molten resin inward to prevent leakage and maintain welding strength.

An overflow valve spring chamber connects to a Venturi nozzle suction side to divert fuel leakage and reduce system pulsations.

A two-wire radiometric measuring device uses an energy storage unit and processor to switch between active and power-saving modes.

Tilt sensors trigger shut-off valves to block oil-immersed ducts, preventing oil carryover into the intake manifold during inclined driving.