Mechanical Apparatus TRIZ Cases

See how level sensors and feedback-controlled valves optimize refrigerant distribution in falli

See how automatic communication speed recognition between indoor and outdoor units eliminates m

See how a spotlight with a focused light cone illuminates the center of the lowermost drawer, r

See how an inclined oval filter surface and pivoting suction unit maximize air purification cap

See how a current leveling unit with RC filtering separates motor and drive currents on a share

See how a segmented controller display presents all outlet and flap settings simultaneously, im

Lowering outgoing-air temperature in wall airflow mode keeps floor-level air from rising and striking occupants when the floor is insufficiently warm.

See how a diagnostics controller uses pressure sensor data and damper position to detect HVAC e

See how temporary cooling-cycle operation secures pressure difference for four-way valve switch

See how absolute humidity calculation from temperature and humidity sensors detects window or d

See how surface temperature sensors and a controller predict dew point conditions to trigger ad

See how a modular, contoured gas enclosure assembly maintains low reactive species and particle

PWM timing separates breathing and conditioning air, matching fresh-air delivery to zone occupancy while limiting over-ventilation.

Low ambient temperatures can trigger repetitive condenser-fan cycling; measuring cycle time lets HVAC control set compressor speed and reduce component wear.

See how a segmented cover with varying transmittance areas enables a rotatable infrared sensor

Outdoor temperature and humidity trigger reverse fan rotation to fully defrost the protective housing around the outdoor heat exchanger.

See how an immersed filter cartridge with dual-function openings eliminates pumping and feed-li

See how temperature sensors replace acoustic methods to verify shut-off valve closure and perfo

See how enthalpy measurements replace complex mechanical sensors to measure HVAC coil efficienc

See how a detachable sensor module design enables sensor-type changes without replacing the ent

See how a control unit integrates RS-BUS, UART, and Wi-Fi protocols to enable distributed HVAC

See how dual cooling paths around the evaporator merge direct and indirect cooling to reduce fr

See how autonomous sensor and actuator networks with wireless mesh communication eliminate manu

See how segmented discharge holes reduce air velocity while maintaining cooling volume, prevent

See how a UV-LED activated photocatalyst filter replaces high-voltage anion systems to purify a

See how statistical prediction of cumulative energy consumption enables proactive operation adj

See how flow-rate feedback and dynamic pump speed control equalize heat-transfer medium distrib

See how dynamic speed adjustment of compressor and circulation fan maintains S/T ratio below 0.

See how a front-accessible range adjustment lever enables HVAC actuators to limit output shaft

See how a self-programming thermostat uses interactive timelines and daily summaries to reduce

See how dual current paths with relay switching reduce standby reactive power while maintaining

See how side surface ventilation holes and multi-dimensional air distribution prevent flow gaps

See how shutoff elements positioned outside the forbidden area limit refrigerant escape into th

See how dynamic fan control stops air-blowing operation when refrigerant concentration drops, p

See how detachable rotating diffusers and adjustable openings enable precise airflow control, r

See how networked ventilation apparatuses share air volume data to maintain constant total vent

See how predictive control calculates minimum free cooling time to offset transition costs, red

See how a phase separator introduces vapor surges into the evaporator inlet, raising temperatur

See how secondary positioning with holding currents and pulse signals corrects rotor-stator ali

See how a disposable colorimetric indicator strip replaces complex sensors to provide continuou

See how non-sparking, non-arcing components in a sealed cooling unit eliminate purging requirem

See how a thermostat uses networked device activity to detect occupancy and adjust temperature

See how vertically stacked substrate treatment lines with shared gas supply and exhaust pipes e

See how hermetically sealing the particle charger to the air mover eliminates charge bypass and

See how phased speed control reduces oscillations in electronic expansion valves by using high-

See how a reheat refrigerant system stores excess charge in a deactivated condenser during rehe