Mechanical Apparatus TRIZ Cases

See how a control device adjusts the number of operating ventilation units based on maximum CO2

See how a HEPA filter with internal UV-C lamp (222-265 nm) kills airborne pathogens while catal

See how a bypass branch and mode-switching control prevent evaporator over-drying and system sh

See how a Christmas tree-shaped clip element secures plastic actuator housing to metal valve ho

See how a single logic board uses switchable resistors and VSD size detection to handle multipl

See how a dual throttle system with coupled cross-section adjustment maintains constant air vel

See how frequency conversion control adjusts compressor load ratios dynamically to reduce start

See how dynamic ventilation output adjustment using real-time air parameter feedback resolves t

See how a granular porous medium absorbs UV radiation through accumulated reflections while all

See how an angled guide pipe with widening outlet slows cold water flow and directs it radially

See how a degassing valve reduces receiver pressure below critical threshold to prevent CO₂ ref

See how suction-side and liquid-side property trend analysis detects fan, blower, and blockage

See how an annular UV-C light bulb attached to vehicle air vents uses ultraviolet radiation to

See how a modular enclosure uses vertically spaced ceiling layers and decoupling elements to ac

See how a photocatalytic filter paired with an adjustable LED light source decomposes air pollu

See how pulse width modulation of anode current extends sacrificial anode life in high-conducti

See how integrated bacteria filtering and UV sterilization inactivate respiratory droplets duri

See how high-pressure hydraulic injection with air augmentation and vacuum recovery removes dee

See how adaptive frequency rising rate and real-time parameter detection prevent liquid compres

See how segmented spring pockets enable zone-specific firmness adjustment while blocking vibrat

See how a bypass line and control valve enable CO₂ refrigeration systems to avoid ejector low-p

See how a segmented evaporator coil with valve-controlled refrigerant flow enables selective de

See how a thermostat calculates temperature rate of change and applies compensation to reduce o

See how integrating thermal comfort models with airflow dynamics enables HVAC systems to achiev

See how interconnected HVAC controllers detect refrigerant leaks and activate circulation fans

See how segmented emission and collection assemblies with a detachable protective cover enable

See how temperature-based feedback control adjusts expansion valve operation to maintain optima

See how dual heat insulating chambers with intermediary fluid isolate the heating core from wat

See how rotatable inlet grills and individually removable filters simplify ceiling air conditio

See how sensor-based air quality monitoring generates productivity scores to predict occupant p

See how angled filter channels with segmented media layers control Mass Transfer Zone length an

See how a segmented water tank with rigid upper and lower sections and a flexible middle sectio

See how a multi-stage filtration and UV-C sterilization design enables ultrasonic humidifiers t

See how an aeroponic system uses plant roots and rhizospheric bacteria to remove VOCs, SOx, and

See how fan motor command voltage and operation time thresholds distinguish foreign matter clog

See how triple expansion devices control refrigerant pressure and gas-liquid interface shape to

See how a bypass line and control valve enable CO₂ refrigeration to switch modes at low ambient

See how solid amine beds in adsorption and desorption modes enable local CO2 supply to greenhou

See how a rotatable filter body with discharge and wetting buckets enables automatic cleaning w

See how periodic pump shutoff and sloping receptacle overflow remove floating contaminants from

See how a test signal output unit enables comprehensive inspection of the leakage notifying cir

See how grid-based space segmentation and dynamic occupancy placement balance infection risk, s

See how dynamic return air fan and damper control uses calculated stack effect pressures to opt

See how introducing gas-phase refrigerant to a flash tank simplifies dryness control, eliminati

See how segmented filter modules with replaceable pre-filter, electrostatic, carbon, and cataly

See how a flue-coupled reference sensor isolates ambient air to establish a stable baseline, en

See how time-threshold monitoring and microphone-based acoustic signature analysis enable HVAC

See how recessed COB light boards in wavy grilles reduce air resistance and dust accumulation f