Mechanical Apparatus TRIZ Cases

A recessed outlet formed by the inner case and drain pan cuts discharge noise and vibration while preserving airflow and easing wiring.

A separable top cover and internal water supply path let one unit humidify and clean air independently while allowing refill during operation.

A harvest sensor plus temperature feedback confirms full ice release from the freeze plate, preventing freeze-up, flooding, and wear.

Electronic central and local controls adjust building air inlet openings from sensor data to improve ventilation precision and indoor air quality.

An elastic contact mechanism lets the spray capsule detach easily while maintaining a stable high-voltage connection in the air conditioner.

Threshold-based mobile alerts let users monitor multiple rooms and start air conditioning remotely without constant notifications.

A 4-way valve and dual freezer capillaries let one compressor switch modes for lower power use, faster response, and dew prevention.

Real-time monitoring and adaptive activation help balance temperature response time and energy use in environmental control.

Temperature sensing and airflow redirection disperse leaked flammable refrigerant away from occupants and heat sources while preserving efficiency.

Switchable discharge resistors cut transmission-path current and heat, preserving signal accuracy and room temperature sensing.

Minimizing first-stage pressure drop during subcritical CO2 operation keeps the liquid receiver level stable and avoids two-phase control issues.

Separated refrigerant and water loops with temperature-triggered circulation prevent indoor leakage, cut pumping energy, and avoid pipe freezing.

Switchable air- and water-cooled condensers let one refrigerant loop cool indoor air and heat building water with lower transition losses.

Movable regenerator stages cycle magnetocaloric materials through a magnetic field to improve heat pump efficiency across varying temperatures.

Multiple controllable expansion orifices keep refrigerant expansion and distribution effective in micro-channel HVAC evaporators under variable loads.

A controller shifts latent cooling to A/C units with higher sensible loads, maintaining humidity across zones without wasteful heating.

Upstream low-side sensors detect refrigerant energy earlier, enabling faster valve control under variable loads and avoiding over-boiling or liquid carryover.

Humidity-guided TED control limits condensate in thermoelectric bedding while delivering quiet, personalized sleep temperature regulation.

Staged magnetocaloric chambers and a magnetic field cycle improve heat-pump efficiency across wider ambient temperatures without fluid refrigerants.

A controller uses a refrigerant reservoir and auxiliary expansion valve to modulate cooling capacity and discharge pressure without disturbing superheat.

Dynamic feed-air temperature control uses IT load signals to maximize free cooling while staying within ASHRAE temperature limits.

Voice recognition translates natural speech into thermostat commands and provides audio or video guidance for hands-free HVAC control.

An inline HVAC controller extends fan run time after shutdown to recover residual heating or cooling and prevent faulty thermostat signals from running the fan continuously.

A gravity-fed two-stage refrigerant storage layout smooths receiver-to-separator supply, cutting flow noise and improving circulation.

A removable battery holder and overhanging light source keep the toilet bowl illuminated in both seat positions while improving cleaning and access.

Variable compressor speed during defrost keeps suction pressure above the lower limit, preventing damage and avoiding delayed heating recovery.

A fluid control structure and reflector help a UV LED air purifier deliver more uniform irradiation for sterilization and deodorization.

An inclined header pipe uses gravity to stabilize gas-liquid refrigerant distribution across multiple pipes, even at low flow rates and lower cost.

Rotating hot- and cold-side heat exchangers cut thermal resistance and fouling, improving heat pump efficiency, life, and temperature control.

PM10 outlet measurements and cleaning indices assess duct and filter fouling without HVAC shutdowns, reducing inspection cost and disruption.

Weather-aware load and supply prediction improves building energy storage scheduling, reducing imbalances and excessive device start-stops.

A load-controlled supercooling valve prevents refrigerant flash, flow noise, and maldistribution across indoor units with different cooling loads.

Switched outdoor power paths use filters, relays, and suppression resistors to block AC noise while limiting standby and inrush losses.

Gravity-closing inner and outer doors keep soffit vents shut at low airflow while still opening under air pressure to block insects and animals.

Parallel pressure-independent branches maintain precise flow control across varying inlet pressure and a much wider operating range.

An integrated TXV in each cold plate improves refrigerant flow uniformity, cuts plumbing complexity, and speeds thermal response.

High-flow ventilation with heating and cooling helps control air quality and curing temperature in enclosed aircraft workspaces.

Natural light sensing lets a thermostat estimate time-of-day without user setup, improving HVAC scheduling while filtering artificial lighting.

An asymmetrical optic splits light into different-intensity beams to evenly illuminate shelves at different distances while reducing light waste.

Heat medium flow is adjusted from inlet and outlet temperatures to stabilize concurrent cooling and heating while reducing power use.

Evaporator temperature monitoring detects dehumidifier outlet blockages, triggers high airflow or louver reset, and stops operation if the fault persists.

Historical terminal stay data predicts leaving time so AC mode and runtime can cut energy use while maintaining occupant comfort.

Weighted shared temperature control synchronizes thermo-ON/OFF across indoor units to improve whole-room air conditioning efficiency.

By adding subcooling to superheat-based expansion valve control, this case stabilizes evaporator feed and protects the compressor from liquid refrigerant.

A nested evaporator and collector tank layout cuts unwanted heat transfer while shrinking vehicle HVAC module size and assembly cost.

Presence-aware control narrows or expands lighting and temperature options to balance personal comfort, simpler operation, and energy savings.

By tracking outlet temperature drop rate and indoor unit changes, the controller avoids false frost detection and starts defrosting accurately.

A projecting rotating temperature sensor scans all horizontal directions, including the outer wall, to improve room thermal calculation and energy-saving control.

A one-touch eco-mode automatically adjusts HVAC temperature settings using learned behavior, location, and weather to cut energy use.