Mechanical Apparatus TRIZ Cases

See how an ejector pre-compresses refrigerant vapor using hot-gas bypass, reducing compressor l

See how an on-site determination device assesses refrigerant regenerability directly at the cir

See how a spring-coupled planar element balances inlet and outlet pressure to regulate airflow

See how a climate control system monitors superheat and adjusts expansion valve, fan speed, or

See how modular building sections join with tension cables and standardized utility panels to f

See how GUI software auto-generates programming data from device type, location, and load to re

See how dynamic fan speed adjustment based on coolant pressure feedback delays compressor shutd

See how a chamberless duct detector integrates optical sensing into the sampling pipe to elimin

See how voltage waveform monitoring across thermostat terminals detects HVAC component faults w

See how a wireless thermostat uses intermediary web service architecture and automated credenti

See how merging filtration and evaporative cooling into one housing reduces device size while d

Flash gas from throttling drives a vapor ejector that recirculates liquid, boosting evaporator flow and cooling capacity.

See how a second receiver and compressor-driven pressure differential eliminate long gravity pi

A narrowed main-channel guide prioritizes fuel gas to the maximum distribution chamber as burner count grows, preserving appropriate flow rates.

Multi-antenna MIMO communication lets indoor and outdoor air conditioner units exchange data wirelessly across floors despite wired-installation constraints and signal attenuation.

See how dynamic control of electrostatic and HEPA filtering stages based on real-time air quali

See how mode-based airflow extension and adjustable wind-direction plates reduce draft discomfo

See how nozzle-based air shields dynamically adjust shape and position using movement, temperat

See how a cyclonic vessel combines centrifugal particle separation with phase-change humidity c

See how a cyclonic vessel with cold water bath enables simultaneous humidification, dehumidific

Power feedback modulates condenser airflow in air-cooled chillers to address low Delta T, reduce energy use, and help prevent nuisance trips.

See how a low-cost on/off valve controlled by discharging superheat degree enables fast refrige

See how a hot wall condenser uses natural convection and thermally conductive well walls to coo

An artificial load circuit keeps VRF compressors operating continuously at extra-low demand, avoiding rapid power cycling and improving reliability.

See how an HVAC controller switches to alternative defrost modes using secondary sensor feedbac

See how pseudo-saturation pressure calculation enables CO₂ refrigeration subcooling control in

A closed-loop challenge and verification path measures test-substance concentration for accurate HEPA leak detection in sterile rooms.

See how repositioning the charge compensator to the condenser common manifold prevents undercha

See how dynamic air-cooling adjusts fan speed and target temperature based on real-time compone

Periodic fan cycling between the modulated low-speed limit and an unpowered state supports efficient PTAC operation at lower compressor speeds.

See how a filter chain combining HEPA, activated carbon, and ion generation removes particulate

See how an electric dust collection filter with speed-based intake door control reduces fine du

Low-GWP refrigerants can lose cooling capacity at subzero temperatures; internal heat exchange and supplementary cooling support stable test-chamber control.

See how sequential one-by-one wind direction plate adjustment enables visual confirmation of ea

See how a porous inorganic membrane separates air contaminants from refrigerant in low-pressure

See how an air conditioner with outlet vanes on the lower surface only prevents noise leakage f

See how optimizing the volume ratio of liquid extension pipes to water heat exchangers enables

See how integrated circuit breakers combine occupancy sensing, energy metering, and load contro

See how an integrated sensor storage unit within the circuit board box enables independent sens

See how a thermostat halo LED system with waveguides and diffuser indicates building emergencie

See how pre-validated modular cleanroom units with integrated HVAC, redundant power, and fire s

See how foam insulation wraps the cold water drain valve to prevent dew condensation, eliminati

An adjustable filter and fan regulate contaminant load and air speed, protecting plants while improving indoor VOC purification.

See how variable-frequency compressor control with thermal dose valve feedback achieves ±0.03°C

See how load-based airflow direction control directs warm air horizontally or upward to reach w

See how a thermostat uses random search algorithms to optimize HVAC switching based on real-tim

See how area registration links indoor units and ventilators to prevent refrigerant leak accide

See how discharge air temperature sensing detects freeze risk levels and adjusts fan and compre