Mechanical Apparatus TRIZ Cases

See how a BMS temporarily accepts expired device certificates and delivers replacements remotel

See how iterative parameter adjustment with weighted observation data enables accurate boundary

See how merging the expansion valve into the heat exchanger body eliminates separate pipeline c

See how distributed oxygen sensors and targeted diffusion fans restore local oxygen levels in i

Adjustable UV lamp power and fan-speed feedback enable early failure detection while controlling ozone output and air throughput.

See how question-based verification resolves similar voiceprints in air conditioner user recogn

See how a bypass circuit and buffer tank pre-heat cooling fluid to defrost external evaporators

See how HVAC control uses GPS travel time and pre-computed thermal models to activate condition

See how an obliquely positioned LED strip lamp and microstructured transparent shelf plate elim

See how bidirectional air jets and differential pressure control prevent draughts at building e

See how supply temperature feedback and dynamic flow adjustment prevent excessive flow in HVAC

A curved mounting bracket reduces outlet airflow disturbance, improves low-pressure sensing, and enables fan speed control with lower energy use.

See how a variable temperature setpoint that increases with fan speed prevents futile speed inc

See how visual curve interaction replaces button presses for air conditioner parameter adjustme

See how a metal discharging plate with segmented air outlets distributes airflow to reduce fan

See how a powered anode adjusts current based on burner duty cycle to reduce heat exchanger cor

See how a thermal bridge structure routes wiring for surround lighting in vacuum insulated refr

A UV lamp, anti-scale treatment, and periodic hot-water sanitation loop suppress Legionella while avoiding energy-heavy bulk heating.

See how a dual-switch assembly separates power and communication terminals to prevent excessive

An oblique air outlet and reinforced mesh inlet panel extend airflow, reduce direct cold drafts, and prevent face frame deformation.

See how prestressing locking members and segmented electrode assemblies reduce pressure loss an

See how flooding low-side heat exchangers, vapor redirection to flash tanks, and suction-discha

See how an air conditioner positioned between the transparent plate and optical device neutrali

See how independent metering devices and pressure control units enable differential CO2 distrib

See how dew point temperature calculation and dynamic compressor frequency control enable direc

See how camera-based image analysis extracts user behavior patterns to autonomously adjust air

See how microwave Doppler detection isolates breathing and heartbeat signals below 3 Hz, enabli

See how dual outdoor pipes—one with expansion valve, one bypass—let a single outdoor unit conne

See how integrated air quality sensors detect contaminants and adjust air freshener dispensing

See how a single bi-flow expansion device replaces multiple uni-flow devices and bypass lines i

A fan-driven ion generator keeps air conditioner ducts sterilized during shutdown while limiting airflow resistance in normal operation.

Compressor frequency is adjusted from IPM temperature, outdoor coil temperature, and exhaust pressure to keep cooling capacity in high heat.

See how a refrigeration apparatus uses a second air heat exchanger as a heat absorber to preven

See how dual-mode control fixes valve opening and varies compressor frequency, then switches to

See how parallel refrigerant and free cooling units with separate compressor and pump frequency

See how a dual-mode HVAC controller simplifies wireless device enrollment by zone, using segmen

See how adaptive control of compressor, fan, and valve settings enables accurate identification

See how period-based condensation control removes contaminants from the indoor heat exchanger d

See how remote program upgrade with error detection and automatic restoration prevents outdoor

See how a rotatable ring and color-coded display simplify thermostat control, reducing user int

See how a bypass line with three-way valve control maintains minimum process fluid flowrate in

See how a return-and-diffusion air recycling system reduces pollutant concentration across room

See how wireless positioning of electronic devices estimates user and equipment heat dissipatio

See how a heat dissipation coolant pipe integrated into the refrigerant circuit cools the elect

See how provisional fan operation and dynamic thresholds enable accurate refrigerant leak detec

See how zero-crossing detection and timed power stealing intervals enable smart thermostats to

Bypass valves let a hybrid tank and tankless water heater isolate the storage tank for service while maintaining on-demand hot water.

See how fan rotational speed control replaces duct dampers to maintain clean room pressure with

See how a movable divider separates humidified and clean air paths, preventing humidifier conta

Weighted temperature and flow commands keep HVAC valve flow stable when pressure disturbances make sensor readings unreliable.