Mechanical Apparatus TRIZ Cases

See how a mixing tank and bypass valves enable fixed-frequency screw units to run continuously

See how a heat exchanger transfers compressor discharge heat to flash gas, increasing superheat

See how a dual-unit analyzer uses pressure differentials and temperature sensing to measure lin

See how an ejector combines refrigerant flows to expand heat pump operational range to −15°F wh

See how a three-stage cascade refrigeration circuit cools fluid to -70°C using standard compres

See how a duct-based UV disinfection system uses controlled air flow and spatial segmentation t

See how pulse tube, throttling, adsorption, and dilution units combine in staged pre-cooling to

See how a bypass valve artificially increases refrigerant load to maintain compressor speed and

See how a sweeping strip driven by cover plate motion removes condensate from the air deflector

See how dual four-way valves enable staged defrosting of outdoor heat exchanger upper and lower

See how a mobile robot integrates air purification, humidity control, UVC disinfection, and AI-

See how electric motor-driven three-way valves replace pilot four-way valves to reduce pressure

See how a reflection-adjustable laser module forms a dense UV net to kill airborne pathogens wi

See how a larger-diameter hot gas line with check valve bypasses suction-line flow restriction

See how user-adjustable fan speed and operation time resolve the contradiction between drying e

See how series-coupled R-32 sensors with self-diagnostic tests detect A2L refrigerant leaks pro

See how sequential fan turn-off after cooling reduces noise and microorganism release while mai

See how pressure and outdoor-air temperature detection enable refrigerant leakage monitoring in

See how four two-way valves replace costly four-way valves to reverse process fluid direction,

See how segmented electronic expansion valves detect indoor refrigerant leaks and shut off flow

See how an obliquely disposed rotary wheel with moisture adsorption eliminates compressors and

See how dynamic target temperature adjustment maintains air conditioner power savings over time

See how two independently operable direct-drive blowers eliminate belt losses, optimize airflow

See how a scattering wheel and water-level sensor remove stored water and foreign substances fr

See how a buffer tank with dual-mode temperature control reduces refrigeration machine cycling

See how HVAC leak sensors measure speed of sound and thermal conductivity to distinguish fuel f

See how staggered defrost cycles on multiple evaporator coils maintain indoor temperature stabi

See how periodic drainage and valve control prevent mineral precipitation and biofilm clogging

See how temperature variation analysis detects installation issues like open windows or blocked

See how dual limit structures stabilize a lock shaft in both locked and unlocked positions, res

See how a drone-deployable air cleaner uses liquid capture and extendable pipes to filter pollu

See how dynamic pressure set point adjustment and feedback control enable variable-speed compre

See how variable-speed intake and exhaust fans balance airflow and pressure in HVAC systems to

See how a buffer tank with dual-mode temperature control reduces compressor cycling during stan

See how periodic valve control and drainage lines prevent evaporative condenser nozzle clogging

See how dynamic switching between differential and single communication modes over refrigerant

See how dielectric barrier discharge generates oxygen ions to remove PM2.5, VOCs, and microorga

See how a light guide member redirects backlight to the display panel edge, extending illuminat

See how vibration devices automatically loosen debris from adiabatic cooling pads, maintaining

See how a selectively transparent door panel with knock detection and lighting control lets use

See how LED color changes and projection ring illumination improve HVAC mode clarity and reduce

See how a dual-cavity heat exchanger with circulating airflow maintains electric control box se

See how primary and secondary cooling-heating units with prioritized loading enable efficient l

See how stopping the low-stage compressor and reducing high-stage speed before valve switching

See how cutoff valves in high-order and low-order refrigerant circuits block flow through non-f

See how refrigerant concentration sensors, inert gas release, and fire detection enable automat

See how a single-stage CO₂ multi-split system uses carbon dioxide's low viscosity and large pre

See how modular panels and glove-port intermediaries maintain hermetic sealing for OLED printin

See how recovering and regenerating low-GWP, non-flammable refrigerant from existing facilities

See how a control unit switches from heat pump to separate heat source when flammable refrigera