Mechanical Apparatus TRIZ Cases

See how combining passive infrared and ultrasonic sensors prevents false subject detection in a

See how a composite sealing layer with embedded conductive elements achieves both refrigerant-t

See how centralized control operates all countermeasure devices when any detector senses refrig

See how a layered panel assembly with light guide plate and bracket enables refrigerator door c

See how a desiccant circulation loop extracts water vapor from air, then heats and condenses it

See how a ceiling-mounted troffer uses UV LEDs and parallel air ducts to disinfect airborne mic

See how a groove-nested electrical control assembly reduces unit volume and improves stability

See how predictive temperature and energy models identify optimal HVAC schedules to reduce ener

See how a refrigeration cycle device dynamically switches between single-stage and two-stage co

See how an indoor air conditioner unit uses UV irradiation to clean filters and reduce bacteria

See how integrated occupancy forecasting, air quality modeling, and tunable filtration optimize

A stratified thermal storage tank and transcritical CO2 heat pump maintain year-round heating and cooling while reducing evaporator icing risk.

See how MOSFET-based sleep current detection and mesh-routed polling reduce battery drain in wi

See how parallel energy storage and heat exchange modules enable continuous lithium battery coo

See how an external reservoir with level sensing measures refrigerant amounts and tracks leakag

See how parallel heat exchangers with staged operation reduce cooling energy by using lower-pow

See how an intermediary controller enables smart thermostats to work with both legacy and commu

See how refrigerant system recognition executes concurrently with air conditioning control usin

Periodic power meter feedback recalibrates AC lookup tables to reflect field conditions, aging, and missing readings.

See how shape memory alloy wires replace electric motors in a bistable flapper valve, reducing

See how a front-mounted detachable electric control box with panel access reduces maintenance s

See how an air conditioner controller uses external temperature detection and pre-stored criter

A plug-in coupler lets an air conditioner power a DC drain pump through a general-purpose AC-to-DC converter, simplifying component replacement.

See how an air conditioner determines target temperature automatically from external air and no

See how an intermediate fluid circuit with feedback control optimizes cooling fluid temperature

See how merging temperature, humidity, and airflow sensors into one device positioned in the ai

See how continuous parameter values and neural network correction improve refrigerant amount pr

See how base and top air intakes with side outlets create turbulence that aggregates domestic d

See how real-time temperature and humidity sensing enables automatic water pump and draught fan

See how a mixing manifold inside the water box samples and blends fluid from multiple heat exch

See how a server-provided data model enables one management program to handle diverse air condi

See how a smart air panel with movable louvers and portable temperature tags directs airflow to

See how segmented UV-C LED modules with transmissive windows achieve high disinfection intensit

See how dynamic mode switching between standard and boost operation enables HVAC systems to res

See how distributed zone control with smart hubs and coordinated device activation maintains op

See how a three-layer filter with staggered rods increases fluid dwell time and pathogen exposu

See how a fluid moving apparatus integrates UV or ion cleaning within the housing to remove air

See how a third heater inside the frost detection flow path prevents blockage by defrost water

See how a buffer volume with partial condensation prevents coolant maldistribution at the cold

See how a dedicated oil return line prevents lubricant accumulation at the evaporator, enabling

See how a controller automates system identification by generating predictive models, monitorin

See how a nested-tube header with inner and outer apertures and a flow valve reduces pressure d

See how processor-controlled dampers reverse ventilator air flow to enable self-cleaning and dr

When remote sensor communication fails, the controller switches to the HVAC return air sensor to keep heating or cooling on target.

Adaptive AI switches between MPC and PID by prediction confidence to improve building control response, stability, and energy use.

See how three separate heat exchangers with switching control enable flexible heat exchange eff

Pressure-drop-based gain adjustment improves HVAC damper flow accuracy while rejecting noise and reducing actuator wear at low flow rates.

See how calibration parameters adjust model-predicted HVAC loads using actual measurements to o