Mechanical Apparatus TRIZ Cases

See how real-time voltage detection adjusts compressor frequency to maximize solar energy use,

See how a controller verifies sensor and purifier co-location via test mode analysis to enable

See how flow-rate-based correction of proportional and integral coefficients improves discharge

See how a regenerative power consuming unit with switching control manages DC link voltage duri

See how specification-based authentication excludes incompatible indoor units in mixed-manufact

See how predictive temperature control determines optimal HVAC transitions between mechanical a

See how a movable air inlet shutter enables continuous airflow adjustment in smoke extraction s

Multiple sensors measure temperature, humidity, CO2, dust, and gas composition while feedback control adjusts ventilation and purification.

See how a dual-volume gas enclosure isolates maintenance activities in an auxiliary chamber to

See how parallel capillary tubes with subcooling heat exchange maintain uniform refrigerant mas

See how a damper system and upstand duct prevent return air from mixing with fresh outside air,

See how rear-mounting light elements peripherally around the user interface resolves drawer vol

See how separating the connection pipe from the gas-liquid separation pipe eliminates bending,

See how a robotic vapor device uses sensors to analyze air constituents, control vapor dispensi

See how a bypass pipe system enables unidirectional primary fluid flow to preserve thermal grad

See how a doubly wound cold water pipe with holders and a separator prevents ice blockage and n

See how integrated refrigerant circulation enables dehumidification and cooling in structures w

See how direct CO₂-to-air heat exchange eliminates intermediate fluids, improving energy effici

Branching water passages and coordinated valve control simplify dual heat-exchanger air conditioning while adapting output to changing loads.

See how separating energy optimization logic into an external application and hardware control

See how an intelligent thermostat learns user preferences through non-obtrusive queries and sel

See how integrated oil accumulation calculation across main and branch pipes triggers timely oi

See how segmented filter modules with sterilization, anti-allergen, and deodorization layers re

See how a moisture-sensitive element and spring replace complex controls to open or close venti

Configure air-conditioner remotes through NFC while unpowered, avoiding repeated button entry for addresses and time settings.

See how requiring manual abnormality cancellation prevents air conditioner restart with deterio

Wireless sensors detect local thermal conditions and CRAC instability, enabling fan-speed adjustments that reduce data-center cooling waste.

See how a ventilation device detects other units via fan speed variation to balance airflow and

See how inclined suction and discharge ports at 30-60 degrees maximize air purification capacit

See how a partitioned air-guiding tube merges intake and exhaust into one wall opening, preserv

See how forced defrosting triggered by counting short thermo-ON cycles prevents outdoor heat ex

See how a single-cycle air conditioner heats air via condenser, humidifies it, then cools it wi

See how a single comfort temperature setpoint with dynamic operating band reduces HVAC mode osc

See how a bypass channel and switching mechanism collect refrigerant in the main condenser and

See how a snap-fit water absorption filter element uses capillary action and natural evaporatio

See how segmenting thermostat data into steady-state, setpoint-change, and transition models re

See how a triple slope base wall and insulated underside prevent ice build-up and bacterial gro

See how branched refrigerant flow and dynamic internal heat exchange prevent excessive supercoo

A controller detects garage-door motor operation and starts exhaust ventilation, limiting toxic fumes and vapors from reaching residential homes.

See how mobile devices replace custom hardware to personalize building comfort settings, using

See how activated carbon integrated into sound-absorbing material reduces air outlet noise and

See how an overhanging valve flap redirects cold air downward and shifts the warm-cold air meet

Position sensing lets smart-mirror lighting adjust brightness, color, and angle to reduce shadows while conveying semantic information.

See how a toroidal vessel with nested tube coils reduces space and energy use while maintaining

See how priority-based refrigerant distribution adjusts expansion valve flow rates to maintain

See how a segmented sensor-box design with stationary motors and wiring guides reduces wiring l

Compare auxiliary fan power at a target speed to identify whether a PTAC vent door is open or closed without added position sensors.

Two temperature sensors compare room air and refrigerant piping temperatures during shutdown, avoiding costly gas sensors for leak detection.