Mechanical Apparatus TRIZ Cases

See how accumulator-based differential measurement enables accurate liquid equalization across

See how capacitive liquid level sensors replace superheat calculation to control expansion valv

See how a distributed detection network uses particle sensors, cameras, and server association

See how temporal course analysis and interdependency detection group HVAC devices into zone set

See how wearable allergen sensors and location tracking replace manual awareness techniques to

See how identification-based signal routing enables wireless remote control of indoor units thr

See how a multi-layer header with tilted plate openings improves refrigerant mixing and heat ex

See how ductwork-based wireless signal transmission with repeaters eliminates cable perforation

Wireless air quality sensors and dynamic air exchange models reveal ventilation dead zones and estimate indoor infection risk in real time.

See how electrostatic corona discharge replaces UV and ozone methods to sterilize air in second

See how dynamic blower speed control adjusts vacuum levels based on sensor feedback to maintain

See how NFC wireless communication enables HVAC hot surface ignition modules to receive and sto

See how curved guides at the discharge grille convert upward fan rotation into controlled later

See how a laminar airflow device emits clean, ionized air to deflect external air currents and

See how a circulating airflow path through the electric control box uses fan-driven pressure di

See how inclined discharge grilles and upward air flow prevent re-introduction through the suct

A shared dry cooler and free-cooling loop cut refrigerant charge and compressor use while maintaining cooling capacity in modular HVAC&R plants.

See how a simplified infrared sensor generates binary leak signals to detect mildly flammable l

Programmable AHU modules use location-based control logic and near-field setup to cut wiring errors and speed on-site installation.

See how independent control of multiple indoor fans at different speeds balances dehumidificati

See how a vehicle-mounted filter uses electrostatically charged cilia layers to trap ambient po

See how forced ventilation mode continues during air-conditioning operations to maintain safe i

See how a wall opening and partition plate enable manual pressure relief valve operation in a c

See how stepwise refrigerant recovery—first to the accumulator, then to the outdoor heat exchan

See how adjusting throttling device openings delays outdoor heat exchanger frosting, prolongs c

See how connecting a pressure relief valve to a gas-liquid separator saves space in heat medium

See how coordinated ventilation in adjacent rooms prevents condensation by detecting communicat

See how valve-based flow control routes low-temperature heat medium to non-requested units duri

See how a hydronic economizer with spray nozzles lowers wet bulb temperature to enable free coo

Angled guide vanes straighten fan discharge in a compact air purifier, extending purified airflow toward the user's face without larger fans.

See how high-frequency vibration sensors detect refrigerant-circuit abnormalities in HVAC syste

See how a bracket-mounted sensor probe detects condensate overflow without interfering with rem

See how capacity-limited remote operation and staggered start control reduce accident risk and

See how dual independent coolant pathways with impinging jet streams enable redundant cooling f

See how independently controlled dual exhaust fans prevent stall in HVAC energy recovery system

See how a heat pump uses two dedicated compressors—one for cooling, one for heating—to eliminat

See how dynamic series-parallel heat exchanger switching prevents refrigerant pressure loss and

See how pressure-based control of refrigerant injection from a flash tank stabilizes cooling pe

Sensor feedback adjusts heat and UV exposure to raise core body temperature safely and tailor therapy to skin tone and user physiology.

See how a multi-layer 3D filter structure with impregnated germ-killing substances reduces nois

See how a state analyzer segments refrigeration cycle charts into discrete state spaces with no

See how HVAC damper and fan control enables emergency purge mode to circulate 100% outdoor air,

See how a mounting bracket integrates temperature sensor, powered anode rod, and controller thr

Separate LED product lighting and a self-illuminated panel improve visibility, avoid sign obstruction, and enable remote message updates.

See how counter-flow direction control in outdoor, relay, and indoor heat exchangers reduces pr

Predictive DCIM calibrates compute, power, cooling, and network resources from real-time density data to cut data center energy waste.

Temperature-based crankshaft heater control preheats high-drop air conditioner compressors to protect oil return and stable low-temperature operation.

See how IAQ sensors detect harmful gas and trigger ventilation or block room allocation until a

See how dynamic static pressure setpoint adjustment based on VAV damper positions and airflow d