Mechanical Apparatus TRIZ Cases

See how integrated energy storage and dynamic control enable air conditioning operation during

See how laminar air curtains separate transfer compartments from workpiece chambers to reduce c

See how a multi-port blower control system routes thermostat signals to enable variable airflow

See how positioning a refrigerant detection device near the bottom plate improves leak detectio

See how a fan array control system uses evaluation fans to dynamically adjust enabled fan count

See how a heat pump integrates a desuperheater, variable-speed components, and bi-directional b

See how positioning a refrigerant detection device within ⅓ of shell height or width ensures ac

See how sensor nodes detect HVAC activity intervals and temperature changes to generate efficie

Dual leakage sensing separates let-go faults from normal HVAC leakage, reducing nuisance GFCI trips at outdoor disconnects.

See how a universal outdoor unit with four-way valve and switching device adapts to both two-pi

See how temporal segmentation highlights the current setting first, then displays all options,

See how predictive occupancy modeling enables HVAC systems to adapt air cleanliness control to

See how a multi-axis robotic system with isokinetic probes automates HEPA filter integrity test

See how a learning network model generates virtual data to correct energy estimation errors and

See how a multi-zone air conditioner controller activates adjacent idle units to support under-

Warm-air curtains isolate the evaporator opening during defrost, cutting refrigerator heat input while avoiding damper complexity and pressure loss.

See how an AC system controller switches between grid and energy storage power, adjusting compr

Distributed flexible electrode modules use high-voltage ionization to purify cabin air continuously while reducing HEPA filter cost and energy use.

See how a switching mechanism bypasses the ejector during cooling to reduce refrigerant pressur

A reflective antimicrobial duct coating works with UV-C light to sterilize aircraft airflow while limiting material degradation and filter fouling.

See how grouping adjacent indoor units with priority-based control reduces unnecessary operatio

See how distributed fan units at multiple floors create targeted overpressure to prevent smoke

Coil temperature feedback enables stepless outdoor fan speed adjustment, reducing pressure disturbance and stabilizing air conditioner operation.

See how controlled brazing material thickness (0.2 mm or less) between header surfaces prevents

See how a rotatable mounting base lets the fan body invert into the water box, enabling larger

See how inclined discharge electrodes with perpendicular discharge regions sterilize all air wh

See how a communication bridge controller enables target time-based HVAC control across legacy

See how series-coupled R-32 sensors and an integrated control board detect A2L refrigerant leak

Pressure-sensor feedback balances water output across parallel cooling towers in real time, reducing hysteresis and abnormal pressure risk.

See how selective defrosting based on frost status detection shortens defrosting time and reduc

See how sequential heating and cooling operations enable accurate automatic determination of in

See how an oil separator downstream of the ejector removes refrigerant oil from recirculated li

See how a replaceable part integrates filter and volatile substance material to enable simultan

See how wireless damper actuators communicate directly with thermostats to eliminate the zone p

See how dual particulate matter sensors calculate filter efficiency and trigger inspection aler

See how merging HVAC and disinfection into a unified building management system reduces operati

See how integrating condenser and flash tank chambers in a single housing reduces piping, conse

See how dynamic flow control in non-operational indoor units maintains minimum heat medium flow

A recirculating and single-pass air curtain limits vapor escape without physical barriers, preserving optical test accuracy and stable chamber conditions.

See how machine learning iteratively adjusts HVAC control states based on sensor feedback to ma

See how linkage mode enables coordinated control of temperature, wind speed, humidity, purifica

See how terminal-level detectors with phase comparison verify HVAC equipment connections, detec

See how a factory-integrated communications board with multiple channels eliminates external ga

See how thermodynamic modeling estimates missing chiller sensor values to calculate efficiency

A metal mesh lets refrigerant reach the heated sensor while blocking ignition, enabling sub-5% LFL leak detection without field calibration.

Distributed thermal units use latent-heat storage, solid-state heat pumps, and occupancy sensing to deliver local comfort without whole-space HVAC losses.