Mechanical Apparatus TRIZ Cases

See how a controllable bypass valve artificially increases refrigerant load to maintain compres

A single coil spring or wave washer travels on the threaded shaft to create open and closed hard stops with fewer parts and simpler assembly.

Adjustable vanes turn and straighten high-level discharge air to cover large spaces uniformly without ductwork, high fan energy, or added noise.

See how food-specific temperature and humidity data drive zoned airflow and table heating to ma

See how an inclined user detection sensor on a refrigerator door enables automatic opening whil

See how a recommendation engine analyzes damage, policy, and claim history to estimate claim co

See how segmented defrost control isolates individual evaporators for heating while others cont

See how an HVAC monitoring system uses existing smoke sensors and relay control to automaticall

See how sub communication lines with switching units isolate malfunctioning devices, enabling a

Capacity-based sequencing of MSAC outdoor units improves partial-load energy efficiency while balancing runtime and extending service life.

See how a deep learning model predicts indoor dust trends and recommends ventilation timing to

See how integrated pressure sensors and wireless circuitry monitor filter obstruction in real t

Alternating microchannel layers and liquid transport pores maintain heat exchange performance across orientations while saving space and weight.

See how virtual asset tags use image processing and OCR to automate climate-control device data

See how a rotatable water level sensor detects condensate overflow in multiple drain pans acros

See how a greenhouse-linked air conditioning system uses plant-based biological purification an

See how an optoelectronic sensor with laser and photoresistor enables continuous, non-invasive

See how time-interval monitoring and self-service activation prevent purification function negl

See how setting an upper limit on reheat expansion valve opening based on cooling-to-reheat cap

By estimating rotor position and speed during inertial rotation, wiring mode switching restarts faster and reduces compressor pressure loss.

See how filter units integrated into station walls and partitions reduce fine dust and pollutan

See how an inclined guide surface on the partition plate enables accurate positioning of high-m

See how comparing regulation requests at multiple fluid-path points prevents unsafe pressure fl

See how a UV-C treatment module deactivates over 90% of viral DNA in fan coil air streams, redu

See how modular refrigerant blocks eliminate complex piping to prevent resonance-induced breaka

See how a capillary with lateral openings at its ends enables direct intrusion into the evapora

See how disconnection and short-circuit contactors prevent excessive inrush current and permane

See how substituting invalid data points with valid estimates before time-series analysis impro

Gas, pressure, and humidity sensing drive HVAC, extraction, and shutdown actions to keep hot-work habitats safe under changing pressure conditions.

Reservation language data lets a hotel AC remote switch displays automatically, reducing guest misoperation and confusion.

See how a scrubber unit with contaminant filter and occupancy-based regeneration modes removes

See how a dehumidifier uses dynamic mode switching between high-speed daytime and low-speed nig

See how predictive modeling and Pareto optimization balance HVAC infection risk and energy cons

See how radio signal detection from portable terminals triggers sensor operation only when need

See how a removable catalytic inlet box integrates ozone conversion and pollutant adsorption in

See how a sub-refrigerant circuit cools CO₂ after isentropic expansion to boost evaporation cap

Parallel electronic expansion valves and a modulated ball valve improve chiller response, full-capacity flow, and stability in surges and low lift.

See how a control module with external antenna enables wireless damper control in diverse regis

See how a segmented humidifier with detachable tank, removable cover, and plug-in power cord en

See how a retrofit damper system uses battery monitoring and adaptive control to enable HVAC zo

See how a recessed vent with multiple holes and ribs diffuses exhaust flow to reduce noise and

See how distributed sensor arrays monitor filter, motor, and coil parameters in air handling un

Low-temperature compressor discharge gas and an auxiliary flash tank speed evaporator defrost while limiting pressure and energy use.

See how directional UV-C, UV-A, and UV-B sources target diverse pathogens while directing harmf

See how water-level feedback adjusts drain pump speed dynamically, reducing noise from high-spe

See how integrated symptom logging and chronological data storage enable air conditioners to id

See how an HVAC controller switches from primary to secondary sensor feedback to maintain air c