Mechanical Apparatus TRIZ Cases

Separate cold-air paths shorten refrigerator ducts to cut noise and power use while keeping ice, humidity, and food odors under control.

A mobile HVAC interface pairs wireless room sensing with wired return-air fallback to keep temperature control running during signal loss.

A central processor turns power monitoring data into automated event detection, control actions, and service recommendations for energy savings.

Weather data, sensors, and secure authentication let one controller optimize sprinkler timing while remotely managing connected outlets.

Plug-in cabin preheating switches to heating-medium support when frost is predicted on the outdoor heat exchanger, preserving range and comfort.

A backflow sensing element lets linked water heaters isolate a faulty unit instead of total stop, maintaining hot water supply safely.

Visible and thermal room images are combined with calculated airflow so users can see AC status and adjust settings for comfort and energy savings.

A controllable valve holds evaporator pressure above a minimum threshold, limiting frost-related losses and improving EV heat pump heating efficiency.

Automatic fan staging and backup substitution maintain minimum ventilation in animal houses when equipment fails, reducing manual setup effort.

Periodic HVAC self-tests during idle periods detect startup faults early and trigger alerts before heating or cooling is needed.

By tracking exhaust temperature change over time, the controller modulates the inlet damper for more efficient wood stove combustion.

Collapsible wall clamps and wireless room sensors let a flush thermostat stay unobtrusive while improving temperature control accuracy.

UV-activated airflow through a catalyst-coated substrate generates non-hydrated hydrogen peroxide gas while limiting ozone and keeping levels safe.

An integrated electrostatic collector and detachable filter layout cuts pressure loss, maintains dust capture, and extends replacement intervals.

Predictive control adapts to active heat exchanger modes to enforce temperature and pressure constraints while maintaining stable multi-zone cooling.

A controller runs the fan to diffuse leaked refrigerant, then cuts sensor power at high fan speed to limit gas exposure and preserve detection accuracy.

Automatic delta T testing records stabilized temperature differences and run times across HVAC stages to detect performance drift.

A pleated HVAC filter combines particle media, a PCO layer, and a barrier to enable UV-driven air purification without degrading the filter.

Forecast-driven HVAC set points balance zone-level thermal comfort with lower building energy use using historical response data.

Real-time microbial particle separation and luminescence sensing automate air cleaning response while avoiding manual sampling delays.

Dynamic zone control combines occupancy, weather, and energy price data to cut building energy use while maintaining occupant comfort.

Combining runtime with outdoor, soil, and component data improves HVAC energy estimates beyond run-time-only calculations.

Real-time air, coolant, and humidity sensing lets the controller reset chiller and cooling tower temperatures to minimize central cooling energy use.

A counterweighted damper, hood, baffle, and condensation guide keep roof exhaust flow clear while reducing ice, debris entry, and roof damage.

A shared touch-panel electrode serves as the NFC antenna, preserving display area, lowering cost, and avoiding communication interference.

Automatic sensor-to-room mapping lets ducted air conditioning target the right space and maintain accurate temperature control across multiple rooms.

Indoor air temperature difference is used to regulate each expansion mechanism, balancing room-by-room cooling control with lower compressor discharge temperature.

A cold plate with an integrated TXV localizes refrigerant control to improve temperature uniformity and cut plumbing complexity.

A separate upper water supply port and water channel let the air washer refill during operation without interrupting air purification.

Variable fan control blocks heater use at low airflow to prevent overheating, cut relay chattering, and avoid wasted power.

A controller cuts compressor start/stop cycling by following capacity-decrease requests near target temperature, improving AC efficiency.

A common damping container forms a liquid column that suppresses pressure surges, stabilizes flow, and boosts passive heat transport.

A dual refrigeration cycle routes hot refrigerant to the second evaporator for defrosting while preserving low evaporation temperatures for cooling.

An injection heat exchanger redirects and expands refrigerant before compressor injection to raise cooling efficiency without cutting indoor evaporating flow.

Fiber-optic tubing carries LED light around the cooler interior to provide even illumination without adding heat or fragile bulbs.

Detection time sums from indoor motion sensors help resume air conditioning only for true occupancy, limiting false restarts and wasted power.

Human detection adjusts expansion valve opening by room occupancy, cutting wasted refrigerant flow while maintaining comfort in occupied spaces.

Fan friction heat and supply-channel sensing enable faster climate chamber temperature correction than slow heat exchanger response.

Wearable RFID tags give room-level occupancy counts so lighting and HVAC ventilation can adjust immediately without motion or CO2 sensor errors.

A movable distribution pipe shifts hole position with operating conditions to improve refrigerant uniformity and heat exchanger performance.

Natural language and voice messages are translated into thermostat commands, enabling remote HVAC control through social networks.

Controllable outside and recycled air streams enable direct free cooling while simplifying temperature and humidity control in data centers.

Tapered LED arrays along a mirror brighten the head and torso more than the lower body, reducing harsh shadows in dressing rooms.

Pressure equalization is skipped after long compressor stops, cutting air conditioner startup delay and refrigerant noise.

Simulated facility power models test control scenario combinations against weather and facility data to cut energy use with less expert effort.

Separate evaporators, expansion devices, and an intermediate heat exchanger shift cooling load between fridge and freezer to improve control and cut energy use.

A non-contact sensor behind the outdoor-unit grill detects snow buildup early, enabling fan-based snow removal before airflow is blocked.

Variable condensing temperature control stabilizes hot water delivery and improves COP in combined air-conditioning and hot water systems.

Segmented preheat, expansion, and trim-heater zones improve heated fluid distribution and temperature uniformity across moving substrates.

Local voltage and current sensing lets the thermostat detect HVAC faults and respond without cloud EMS latency or extra hardware.