Mechanical Apparatus TRIZ Cases

Actuated dampers block airflow to inactive evaporator sections, cutting fan power use while maintaining cooling in active channels.

Presence detection switches touch-key LEDs off when idle and restores key visibility on approach, cutting air purifier panel power use.

See how gradual outdoor fan frequency reduction before defrost stop minimizes abrupt noise chan

See how dynamic nominal flow calculation adapts control parameters in real time to maintain opt

See how a three-section pipeline with progressive diameter reduction stabilizes two-phase refri

Adaptive compressor control width and thermo-off thresholds cut cycling, stabilize room temperature, and lower AC power use at low load.

See how bypass paths and switching units redirect refrigerant flow around the accumulator to ad

See how coordinated air-conditioning and ventilation control balances thermal comfort with air

See how segmented base, fan, and bypass modules with universal coupling enable field upgrades a

See how a multi-layer HVAC filter achieves MERV 17 efficiency using segmented pre-filter, HEPA,

See how an air inlet below the screen draws and filters droplets and aerosols from the user's b

Dynamic IAQ thresholds adapt to baseline particulate, VOC, and CO2 levels to control mitigation devices and flag faulty response.

See how dual ultrasonic vibrators with alternating operation and PWM control adjust mist direct

See how a ventilation valve uses a trigger member, controller, and displacement actuator to aut

See how a multi-unit air conditioner uses control-unit communication checks with countermeasure

See how a low-voltage thermostat uses no more than two internal sensors with machine learning t

See how feedforward control predicts thermal variable profiles to prevent compressor and valve

A liquid-to-air membrane exchanger cools water for data center liquid loops, cutting cooling energy while avoiding coolant cost and water treatment issues.

A liquid-line bypass cools the controller after expansion while keeping full refrigerant flow through the heat exchangers to preserve heating and cooling capacity.

See how a venturi-based heat transfer device uses the Joule-Thomson effect to achieve compact,

See how a hinged cover panel with pivot linkage enables easy filter and wind-stop removal while

See how periodic heater operation with feedback control maintains wine chamber temperature with

See how a gas separator with accumulation detector and pump control prevents flammable refriger

See how merging evaporative cooling, dehumidification rotor, and ventilation into one outdoor-i

See how electronic expansion valves replace noisy solenoid valves to modulate reheat cycles, re

See how modular solid-state heat pumps with thermal storage eliminate duct distribution losses

See how a modular UV light assembly enables air sterilization in existing air conditioners with

See how differential pressure measurement across a ventilation member enables automatic fan spe

See how a water heater integrates UV lamp, anti-scale device, and elevated-temperature sanitati

See how energy scores balance HVAC savings and guest comfort by assessing occupancy detection r

When network quality drops, communication conditions are adjusted by information priority to keep critical device data flowing.

See how a nested irradiator and reflector enable UV filter sterilization in a compact portable

See how a ring-shaped lighting assembly with integrated touch-case display provides intuitive o

A controlled bypass line keeps HVACR process fluid above minimum flow during low load, preventing sediment buildup and heat transfer loss.

See how a heat-pump air conditioner integrates a temperature-adjustable dehumidifier to handle

See how alternating airflow stagnation with UV or heating inactivates pathogens without filters

See how extracting the ionizer outside the main body eliminates flow resistance, maximizes char

See how a refrigerant loop through an ice-tank heat exchanger shifts cooling loads to off-peak

See how an ice-tank heat exchanger shifts cooling loads to off-peak periods, reducing peak elec

Test particles and gases help separate ventilation and mitigation effects, enabling more accurate indoor air quality and CADR assessment.

See how merging machine and heat exchange spaces with a suction line heat exchanger improves co

A threaded and snap-fit UV lamp cover keeps fixation secure while allowing fast air disinfector maintenance without special tools.

See how extracting the lamp outside the inner shell and using a light diffuser prevents water s

See how a fuse link sensor and remote controller enable HVAC damper inspection through electric

See how a water tank cover with circumferential supply hole, guide plate, and border wall reduc

See how hydrogen expansion valves and modular heat exchangers enable precise divisional tempera

See how a ceramic heater tray isolates the heating element from water to prevent short circuits

See how side-mounted display housing with coupling cover and insulating plate prevents electric

See how zone-specific IAQ sensors and dampers enable selective air circulation between zones to