Mechanical Apparatus TRIZ Cases

By linking heat exchange with airflow, superheat, and subcooling, this control approach sets target refrigerant temperatures to cut HVAC energy use.

Matches smart-home users to utility accounts so demand-response events can shift peak cooling loads without undermining comfort.

Air quality sensing and nanotech filtration let free-cooled data centers cut corrosion from humid, contaminated outside air.

Auxiliary fans and a Coanda guide path steer outlet airflow without blades, increasing discharge, lowering noise, and preventing recirculation.

Monitors air temperature differential and refrigerant pressure to detect coil frosting early and trigger defrost before compressor cycling.

Pairing main and sub air conditioners lets one RF remote identify unit status before control and avoid unintended operation.

An insulated radiator cover uses vent actuation, room sensors, and central feedback to curb overheating and cut heating waste in multi-unit buildings.

A four-way valve routes refrigerant across three heat exchangers so one compressor can cool compartments independently with lower complexity and energy use.

A formula links the expansion valve and hot gas bypass valve to stabilize evaporator pressure, avoid condensate freezing, and simplify gas drying control.

A condensate valve and oversized drip pan contain heat-transfer fluid leaks in an exhaust air heat exchanger while avoiding drain clogging.

Touch gestures and delayed command transmission let users adjust HVAC setpoints remotely while limiting network traffic, energy waste, and equipment wear.

Stored heat and dual heat pump circuits defrost frosted rail HVAC exchangers while maintaining compartment comfort without electric heating.

A pumped internal cooling loop links two heat exchangers to moderate compressor temperature and pressure, improving refrigeration efficiency.

A switched main and sub-circuit uses geothermal heat during defrosting to limit frost-related power loss and comfort drop in cold air.

Adaptive thermo-on delay uses blowing and suction temperature feedback to avoid long compressor idle periods and excessive start-stop cycling.

A gas-liquid separator and internal heat exchanger help maintain heating capacity and COP during vehicle dehumidification heating at low outside temperatures.

Cloud control calculates minimum damper positions from flow data to limit VAV duct pressure, noise, and damage in retrofit HVAC zones.

Sensors and processor-controlled louvers automate airflow adjustment to improve indoor air quality, comfort, and installation convenience.

Elastic overtravel in the actuating handle keeps the shut-off flap parallel to airflow, cutting pressure loss, noise, and vibration.

A bypass tank and branch heat exchangers let one CO2 heater switch heat sources smoothly, cutting extra electricity use.

Vent temperature and humidity data are combined into enthalpy delta to detect HVAC inefficiencies and trigger control actions that cut energy waste.

A mixed HFC-134a and HFO refrigerant lowers GWP while preserving non-flammability, cooling capacity, and retrofit compatibility.

Motorized vents and zone sensors redirect cool air in real time to reduce recirculation, mitigate hot spots, and improve data center cooling.

A slanted filter reshapes inlet airflow resistance to reduce uneven heat exchanger flow and improve indoor unit heat exchange efficiency.

Displays room temperature with a calculated controllable range bar so operators can predict VAV temperature drift and act before control is lost.

PCM chambers and airflow control let ventilation switch between heat recovery and extra cooling while reducing building energy use.

A dual-passage airflow layout boosts condenser air volume and mixes bypass air with hot outlet air to lower discharge temperature.

Timed correction of intake-air sensor readings helps multi-indoor heating restart sooner without room underheating or overheating.

A state-space aggregate load controller removes refractory states to stabilize thermostatic demand response and track intermittent renewables.

Rotatable flippers let refrigerator shelves change height while automatically maintaining power to shelf lighting through integrated contacts.

Thermal plates store cold energy off-peak and let indoor cooling run during peak hours without compressor operation, cutting energy cost.

A split power scheme keeps the occupancy sensor and controller active in standby, so external devices can still be switched with lower power use.

Adaptive gateway polling and prioritized HVAC alerts cut data overload while detecting comfort control and capacity loss early.

A cup-shaped battery reservoir contains leakage before it reaches the PCB, improving HVAC controller reliability and battery access.

A split wall plate fits around an installed HVAC connector to hide wall blemishes without blocking thermostat electrical or mechanical connections.

Stored rainwater is pre-cooled off-peak and used as a condenser heat sink to cut AC peak power demand and water use.

Opposing pipe walls fix a spiral capillary tube inside a lightweight suction pipe, simplifying welding, heat exchange, and corrosion control.

A pre-adjusted internal stop keeps the shut-off flap parallel to airflow, cutting pressure loss and noise despite mechanism tolerances.

A relay unit uses a heat medium and intermediate heat exchanger to keep high-pressure refrigerant outdoors while reducing pump power and pressure fluctuation.

Multi-stage filtration with bonded carbon, KMnO4, UV, and HEPA/ULPA cuts VOCs, biologicals, and particulates for cleaner IVF lab air.

Multi-stage liquid desiccant conditioning controls high humidity with counter-current concentration changes and low-temperature regeneration.

Charging is matched to peak-cut demand and precooling needs, avoiding full-charge standby losses while maintaining air-conditioning comfort.

Sensors trigger an expandable window filter to block inhalable particles at the ventilation opening while preserving indoor air circulation.

Using three temperature readings, this case estimates heat exchanger saturation without flowmeters to limit volume flow and pump energy.

Predictive control uses forecast outdoor temperature and minimum free cooling time to avoid costly HVAC state changes.

An inclined collision plate atomizes supercooled liquid into fine droplets, improving ejector momentum transfer and heat pump cycle efficiency.

A server-linked HEMS controller extends remote appliance control range and powers devices off when communication is lost.

A switchable transparency film and proximity-triggered lighting let users check refrigerator contents without opening the door and losing cold air.

A mobile device uses location and stored comfort preferences to automatically adjust lighting, temperature, and security without custom hardware.

Built into an air conditioner, this optical sensor collects airborne microbes and reads riboflavin fluorescence without separate processing.