Mechanical Apparatus TRIZ Cases

Learns particle trends and user patterns to adjust fan speed before fine dust builds up, keeping indoor air clean with lower power use.

See how refrigerant sensors and control circuitry detect switch over valve position faults by c

Physical and mental state feedback guides temperature, humidity, airflow, and aroma changes to relieve sleepiness without prolonged discomfort.

See how a dedicated refrigerant storage portion connected via dual pipes overcomes outdoor unit

See how fan speed adjustment replaces duct dampers to maintain clean room pressure accuracy whi

See how a detachable filter frame with adjustable sizing and sensor-driven fan control filters

See how dynamic fan speed, by-pass damper, and nozzle control maintain minimum discharge veloci

An integrated refrigerant distribution unit cuts piping, simplifies narrow-space HVAC mounting, and preserves cabin space in modular vehicles.

See how a lighting system integrates vacuum suction around the light source to reduce aerosols

See how WO3 photocatalyst activated by white LED light replaces UV-based TiO2 systems to improv

See how staged regeneration at multiple desiccant concentrations reduces energy use and system

See how voltage waveform monitoring at the thermostat detects HVAC component failures faster th

See how dual-chamber pre-heat exchange prevents condensation and ice formation in total heat ex

See how a dual-cooler heat source unit uses secondary refrigerant cooling to maintain CO₂ in li

See how periodic level-signal switching separates power supply and data transmission on a share

See how pressure sensing detects indoor fan state to enable variable-frequency compressor opera

See how asymmetric inlet-outlet sizing and multi-side radial outlets reduce discharge velocity

See how psychrometric feedback adjusts water flow to evaporative pads based on ambient conditio

See how adaptive prediction error correction accounts for individual expansion valve flow chara

See how a V-shaped heat exchanger with delta-plate sensor positioning improves refrigerant leak

See how segmented condenser and evaporator chambers enable simultaneous heating and dehumidific

See how hybrid physics and machine learning models optimize heat pump and chiller energy use wi

See how a perimeter UV emitter set combined with beneath-base LEDs eliminates shadow zones, ena

See how redundant fans, SIL2 control, and high-precision pressure sensors maintain stable press

Distributed outlet sections across multiple housing sides lower outlet velocity, reducing draft and dust disturbance while keeping airflow high.

Pressure differential feedback adjusts fan speed to correct duct anomalies, cutting thermal losses and avoiding over- or under-ventilation.

See how a CO₂-difluoromethane-tetrafluoroethane mixture achieves sub-zero cooling with low GWP

See how rounded interface members and curved connecting geometry reduce HVAC filter installatio

See how light extractors in an air conditioner emit unemitted edge light to enhance spaciousnes

See how a plate heat exchanger captures dehumidification heat from fresh air and transfers it t

See how an integrated district energy system combines thermal harvesting, heat pumps, and coord

See how an HVAC controller determines blower airflow by monitoring motor drive power output, en

See how a display controller generates user patterns from execution commands and reconfigures m

See how variable-speed compressors, pumps, and fans adjust to real-time psychrometric data, mat

See how a three-layer outdoor heat exchanger structure with selective coupling prevents refrige

Zone-based charge monitoring across evaporators, condensers, and lines detects leaks and isolates refrigerant to keep flammable charge below M1.

See how segmented stacked heat releasing and evaporating units with dedicated inlets and outlet

See how multiple independent air tunnels with damper-controlled switching eliminate cross-conta

See how baseline-referenced threshold adjustment optimizes mitigation device operation for humi

See how UV LED arrays and photocatalyst filters combine with fluid control structures to ensure

See how dynamic compressor frequency adjustment maintains user-selected low airflow while ensur

See how cascaded airside and waterside control loops use real-time flow measurements to reject

See how periodic on-off cycling and pre-cooling schedules enable single-stage HVAC compressors

See how a stacked PET film barrier with hard coat and adhesive layers improves windshield abras

See how nesting a sterilization lamp below the lower guide surface enables safe blower-fan ster

See how adaptive bypass control and dual-threshold air quality testing extend additional filter

See how a controlled gap between sensor housing and mounting surface enables rapid refrigerant

See how a gravity-positioned sampling tube and periodic flushing detect dense refrigerant leaks