Mechanical Apparatus TRIZ Cases

See how a management apparatus detects approaching mobile terminals via wireless signal strengt

Timed valve opening before compressor start and closure before stop improve refrigerant flow and cut off-phase energy losses.

See how a thermal control system uses terminal, environment, and user biometric sensors to dyna

Near-optimal condensing pressure control adjusts variable-speed condenser fans to cut refrigeration power use and fuel consumption at part load.

See how normalized energy consumption ranking directs maintenance resources to high-usage HVAC

See how coordinated valve switching and pressure release reduce differential pressure during mo

See how segmented cold air paths with dedicated evaporators reduce power consumption and noise

See how a Coanda blade switches between airflow modes to create natural wind variation in condi

A smaller gas-side valve opening cools refrigerant before it reaches a heating-stopped indoor heat exchanger, cutting radiation loss.

See how a controller detects heat exchanger blockage by monitoring motor power, fan speed, and

See how a data processor coordinates multiple BLDC motors using feedback control to maintain co

See how a common control unit synchronizes multiple fan motor inverters to suppress noise inter

See how a magnetic attachment system enables repositionable lighting in freezer chests, solving

See how selective module activation in standby systems reduces power consumption while maintain

See how a single-level menu structure with mode segmentation reduces HVAC control panel complex

See how a control system with heat transfer elements and bulb temperature feedback adjusts ther

A dual-rotor vapor injection compressor switches modes by temperature to cut vibration and noise while preserving heating and cooling capacity.

See how a pivotable air guidance part with dual blowers redirects discharge flow to improve ind

See how an economizer corrects discharge air sensor readings to maximize free cooling, preventi

See how a motor-driven telescopic push rod with presence sensors enables hands-free refrigerato

See how vertical blower mounting, integrated drainage elements, and air turbulence diffusion im

See how an embedded sealing member and sealant-filled cavity provide dual waterproof protection

See how image-based room spatial capacity detection enables air purifiers to automatically adju

See how sensor-controlled window actuation removes radon and manages humidity without mechanica

See how differential pressure detection and compressor capacity control prevent switching mecha

See how dynamic superheat adjustment based on receiver refrigerant level improves evaporator he

See how automated waveform and refrigerating cycle analysis merge into one diagnostic device to

See how floor temperature sensing and estimation algorithms enable air conditioning control whe

See how upstream electric-part placement in blower-driven airflow entrains refrigerant leaks aw

See how facial recognition detects stationary user presence to activate the refrigeration cycle

See how a VRF controller adjusts outdoor unit capacity based on real-time energy prices to redu

See how a self-cleaning pressure trap uses fluid pumping and sensor feedback to break down debr

See how split refrigerant flow during defrost—routing some to the indoor unit and some to non-d

By correlating pump speed, flow rate, and pressure head, this case automates HVAC pressure setpoint tuning to match cooling demand.

A concentric vacuum-insulated flexible cryogenic interface cools remote targets below 4K while reducing vibration, heat loss, and shutdowns.

See how mode-switching compressor control prevents overcooling by activating compressors based

See how printed light-blocking icons on the display panel eliminate gap-induced blurring and re

See how gateway devices emulate monitoring devices using Modbus or BACnet protocols to integrat

See how short-range wireless communication and signal strength indicators enable technicians to

See how photocatalytic oxidation replaces trapping filters to destroy VOCs and biological conta

See how a pump-down diagnostic mode isolates refrigerant in the condenser and measures pressure

See how cloud-connected HVAC controllers automate failure triage and customer feedback collecti

A single temperature-based pressure reference lets a vapour compression valve control both subcritical and supercritical operation smoothly.

See how measuring three temperatures to calculate saturation eliminates flow meters and limits

A pivoting film and support combine airflow regulation and non-return control in wall openings, reducing complexity and blocking parasitic backflow.

Inert gas and a safety vessel evacuate and return flammable Rankine-cycle fluid, reducing leak and explosion risk during service.

See how dynamic current threshold adjustment in a reception device maintains reliable communica

See how HVAC workload logic detects indoor and outdoor conditions, queries historical cycle dat