Mechanical Apparatus TRIZ Cases

See how detecting electronic expansion valves and controlling throttle and solenoid valves elim

See how distributed control units use intention and change signals to coordinate component swit

See how selective control of series-configured thermoelectric coolers manages temperature delta

See how non-circular shafts and mechanical retention eliminate welding in blast dampers, preser

See how simulation-based optimization balances building energy consumption with stakeholder com

See how merging structural support with integrated ductwork in hollow legs reduces fume hood fo

See how dynamic fail-safe resistor control stabilizes voltage between RS-485 communication line

See how upstream and downstream expansion mechanisms increase temperature difference in sub-usa

Water-level-based pump speed control cuts impeller noise in compact air conditioners while maintaining reliable condensate discharge.

See how a temperature protector on the relay-driving power supply line prevents current flow to

See how direct CO2 refrigerant circulation eliminates intermediate heat transfer fluids, improv

See how a smart gateway device auto-discovers third-party HVAC devices, generates virtual devic

A pressure-actuated bypass damper lets excess supply air avoid induction nozzles, raising ventilation without high pressure loss or blower energy use.

See how mode-based control decouples compressor operation from thermostat demands to time-shift

See how dynamic actuator control during diagnosis improves abnormality detection accuracy while

See how a rotatable air guide and deflection blades enable circumferential and inclined air str

See how AI-driven virtual zoning and occupancy sensors enable granular HVAC control, achieving

A hollow ring with orthogonal apertures measures duct pressure near bends while reducing clogging and airflow orientation sensitivity.

See how a control system with heat transfer elements adjusts thermal expansion valve bulb tempe

By adjusting each outdoor unit's output from its frosting degree, this case reduces uneven defrosting and wasted heating capacity.

See how a pseudo deterministic control subsystem integrates event-driven framework with direct

Suction-pressure feedback and parallel expansion valves prevent liquid back in low-temperature heat pumps without an accumulator.

See how distributed gas detection and directional blowers locate pollution sources and generate

See how timed update notifications ensure users are informed when air conditioner firmware is r

See how segmenting particulate matter detection by size range and predicting concentration dist

See how a flow suppressing portion between coolant and electrical connectors prevents coolant l

See how a circular enclosure with curved geometry eliminates cold spots and condensate accumula

See how anomaly detection and regression models distinguish refrigerant leakage from other fail

See how a control unit determines and registers specific air conditioning zones dynamically usi

See how centralized flow rate adjustment units balance refrigerant across multiple heat exchang

Portable zone sensors automate HVAC registration and verification, cutting technician time and reducing setup errors.

See how reversing coolant flow direction through alternating inlet/outlet ports eliminates temp

See how electrostatic ionization and collection replace mechanical filters to remove fine parti

See how a control board positioned to close the electrical box opening enables airtight sealing

See how a single UV source with controlled 185 nm and 254 nm energy ratio degrades pollutants w

See how networked HVAC systems detect refrigerant leaks and activate fans across multiple zones

See how a vertically positioned receiver with adjustable volume manages refrigerant charge imba

See how a thermal storage section stores heat during operation to defrost low-temperature heat

See how reversible compression members regulate ejector outlet conditions to maintain stable co

See how a regulation mechanism reduces subcooling heat exchanger cooling capability before cycl

See how separated indoor and outdoor heat medium circuits use feedback from load devices to opt

See how curved dual horizontal blades use the Coanda effect to prevent airflow separation and e

See how a wearable electro-ionic device uses voltage modulation and ozone generation to capture

See how segmented front shutters with dual air barriers enable both sitting and standing work p

See how ultrasonic time-of-flight transceiver arrays replace fragile hot-wire sensors to measur

See how IAQ sensors self-calibrate by tracking minimum readings during mitigation device operat

See how outdoor unit repeaters relay signals at matching frequencies to enable compatible commu

See how indoor units detect heat exchanger temperature changes during mode transitions to autom

A rotating infrared sensor alternates between room-facing and concealed states to measure self-heat and improve air temperature detection accuracy.