Mechanical Apparatus TRIZ Cases

A dimmer detection and switch circuit isolates appliance outputs in under-cabinet lighting, preventing dimmer-related damage and enabling flexible power access.

See how a relay unit with intermediate heat exchanger shortens heat medium pipe length to reduc

See how a mobile air purifier uses concentration sensors and Tikhonov regularization to identif

See how an auxiliary power unit maintains wireless module operation during power-off, enabling

See how constraint conditions prevent parameter cancellation in thermal models, enabling accura

Superheat-based expansion valve control keeps refrigerant dryness below 1, avoiding float switches and large accumulators in ice makers.

Vent apertures with filters let leaked refrigerant reach an enclosed NDIR sensor while blocking dust and debris that degrade accuracy and sensor life.

See how sliding high-side and low-side cassettes with quick-disconnect piping reduce refrigeran

See how controllable air flaps adjust environmental airflow through the heat exchanger to maint

See how automatic learning of heat exchange load curves enables dynamic compressor and injector

See how a nested subcooling circuit increases liquid-phase refrigerant proportion in CO₂ inject

See how a stand-alone ice and beverage appliance uses dual evaporators and valve-controlled ref

A wall-mounted switch wirelessly adjusts room dampers to stop conditioning unused spaces, improving comfort and reducing HVAC energy waste.

See how angled bifurcate flow dividers use centrifugal force differences to reduce liquid bias

Sensors adjust light intensity, color, and angle to present semantic cues while minimizing mirror shadowing and color casting.

See how a portable sprayer uses Venturi mixing, auxiliary reservoirs, and selectable battery or

See how pulsed water spraying in evaporative pre-cooling reduces waste by activating only when

See how relocating the electrostatic air cleaner to the filter cleaning device prevents dew con

See how variable compressor activation speed based on indoor capacity and pipe length prevents

Bottom-up seat ventilation delivers UV-treated air to each passenger and draws exhaled air away to reduce cabin pathogen spread.

See how optimized connection pipe diameters one size smaller than R410A systems maintain perfor

See how ambient air exchange logic selectively disables native HVAC cooling when outside air su

See how domain-segmented address generation reduces central processing loads in multi-unit air

See how a mobile HVAC unit autonomously relocates between docking stations to provide targeted

See how a weight-actuated harness and overflow container mechanically trip the breaker when dra

By comparing actual and estimated HVAC runtime from temperature data, this case enables early fault alerts, lower energy waste, and fewer repairs.

See how an air purifier uses filter performance monitoring and sensor feedback to detect space

See how human body detection and thermal sensation estimation for multiple persons enable dynam

Cloud-linked project delivery codes replace wiring and network debugging in VRV centralized control, improving setup stability in complex buildings.

See how a pull-push lifting assembly enables vertical filter movement to achieve tight sealing

See how automatic flow path switching to hot-water ready state after standby timeout reduces st

See how machine learning predicts user presence from device data to adjust HVAC temperatures au

See how alternating heat dissipation intensity based on individual thermal patterns induces wak

See how embedded electrical wires detect anode rod corrosion through water contact, triggering

See how a scanning thermal image sensor with repositionable infrared detector elements improves

See how a controller stores panel and device characteristics data to determine time-series heat

See how reactor current deviation control suppresses both low-order and high-order harmonics in

See how sequential freezing and thawing of upper and lower heat exchanger sections prevents dir

Centrifugal separation and a removable settling-chamber filter keep particulate and moisture out of air cycle machine bearing cooling flow.

See how a network-connected controller enables residents to adjust automatic air-conditioning r

See how a suspended ceiling plenum with perimeter gaps and concealed fans creates laminar airfl

See how integral tube-evaporator forming and heat-insulating material sealing prevent refrigera

See how separate evaporators and mode-switching enable precise wine storage temperature while d

See how galvanically isolated high-voltage units with current-controlled ionization maintain st

Optical elements split and redirect shelf lamp output to light both upper and lower goods evenly without enlarging the lamp body.

See how an open-circuit refrigeration system with dual receivers and recuperative heat exchange

See how flow-direction-based valve closing positions reduce needle and port abrasion while meet

By overlaying comfort values with temperature and other environmental data, this case helps air-conditioning managers make clearer setting adjustments.