Mechanical Apparatus TRIZ Cases

See how a dual working-fluid circuit with independent pumps and feedback control maintains cons

See how a cooling recovery coil and drain pan system prevent condensate re-evaporation and stac

See how segmented metal capture members support detached heat sinks during fire while maintaini

See how dynamic outlet port control and airflow adjustment disperse leaked flammable refrigeran

See how dynamic condenser fan speed control uses near-optimal condensing pressure setpoints to

Counterflow refrigerant routing with dual inlets keeps outdoor fins from icing while improving heat pump efficiency and COP.

See how synthesizing user comfort levels with environmental data on a single display enables ai

See how predictive MILP optimization minimizes compressor start/stop costs while meeting temper

A two-part pole joint automatically aligns segments and connects power, simplifying pre-lit tree assembly without manual wiring.

Selective valve control shifts refrigerant among heat exchanger circuits at low flow to maintain HVAC capacity and avoid superheating.

See how a PTAC controller coordinates auxiliary and exhaust fans to meet make-up air requiremen

See how a motor-driven link structure automates horizontal wing rotation for vertical airflow a

See how onboard HVAC sensors apply time-based offset correction to raw temperature readings, co

See how a dual-blade air discharge system guides flow through segmented paths to prevent re-int

See how segmented menu navigation and a DONE icon resolve the contradiction between hierarchica

Two independent refrigerant cycles let one refrigerator cool standard and deep-freeze compartments separately while improving load response.

A removable louver cap and support bracket give front access to a PTAC exhaust air filter, cutting replacement time without opening the housing.

See how an HVAC controller predicts temperature during unoccupied periods and schedules runtime

See how variable fans adjust ventilation based on detected humidity to maintain optimal sensory

See how predictive temperature change detection enables preliminary cooling action, reducing po

An HVAC controller lowers the economizer target during added cooling demand to keep using outdoor air without overcooling discharge air.

See how variable-speed compressor control adjusts latent capacity based on real-time humidity f

See how independent air supply dampers open on refrigerant leak detection to diffuse gas across

See how a management server segments air-conditioner data into normal, abnormal, and failure ca

By saturating air at its dew point and reheating it, this case achieves stable temperature and humidity control with lower complexity and maintenance.

See how temperature sensors estimate HVAC filter life by tracking actual runtime instead of cal

See how dispersed discharge holes and dual drain lines enable uniform coolant distribution acro

A refrigerant sensor triggers economizer airflow changes to detect post-installation HVAC leaks, purge leaked gas, and maintain indoor air quality.

See how selective outlet blocking in adjacent ceiling units prevents air current collision and

Supply and return air sensors cycle HVAC compressors only when needed, cutting building cooling energy use while maintaining thermal comfort.

A removable adhesive-backed filter adds densified media to mini-split air conditioners, capturing smaller particulates without unit damage.

See how an intermediary energy management layer calculates net energy balance across building s

See how a thermoelectric refrigerator redirects heat-dissipater waste heat to a drying chamber,

See how leak detectors and controller logic suspend air blowers, activate exhaust fans, and reg

See how a communication-line wakeup voltage generator and PFC capacitor discharge enable air co

See how mathematical relationships between measured and calculated variables reduce HVAC sensor

See how flow rate detection replaces fixed pressure control to optimize compressor and pump ope

Staged expansion valves and a gas-liquid separator balance liquid and gas refrigerant, preserving cooling with lower charge.

See how segmenting a thermostat into a simple local device and remote server reduces complexity

A main-sub air conditioner hierarchy controls multiple units without separate controllers, cutting cost while maintaining reliable operation under high load.

Pre-adjusting outlet temperatures before adding or stopping heat source machines keeps supply water close to the target during flow changes.

See how differential pressure sensors detect filter obstruction and wirelessly notify users, re

See how a thermosiphon transfers condenser heat to the evaporator using phase change, enabling

See how gain-based control uses building thermal mass and time constant to optimize heat supply

See how alternating heating medium and combustion gas channels in stacked plates reduce pressur

See how adjustable louver panels transition between closed and open positions to balance HVAC c

See how solenoid-actuated house vents close automatically during power outages to block fire em

See how a metal capture member with minimized top-view area protects the board from fire while

See how recirculation pumps and control valves enable independent zone temperature control in c