Mechanical Apparatus TRIZ Cases

See how an air conditioning controller calculates user age over time and adjusts temperature an

See how a single-pole double-throw relay switches between power and communication lines to elim

See how a modular humidifier uses a detachable extending portion to convert between tabletop an

See how intersecting wind direction plates coordinate first and second air outlets to keep cond

Server rack sensors and active floor tiles share controller feedback to coordinate cooling, power distribution, and equipment monitoring.

See how enthalpy-based EEV positioning prevents superheat vacillation during HVAC startup, redu

See how CO2 refrigerant circulation enables sublimation defrosting below 0°C, removing frost wi

See how activating a fan before air quality detection suspends dust particles and improves meas

A transparent window in the ceiling AC drain pan reveals grime without removal, helping prevent accumulated drainage from soiling surfaces below.

See how segmented indoor heat exchangers enable independent dehumidification and heating paths

See how a control unit assesses switching mechanism state to quickly identify whether flow rate

See how door position sensors replace pressure sensors to enable faster, more stable smoke vent

See how predictor models and N-dimensional cost optimization coordinate decentralized HVAC unit

See how a centralized motor controller integrates inverter units and rotor position detection t

See how dynamic evaporator fan speed and compressor power adjustment maintain cargo temperature

See how WiFi access point fingerprinting determines meeting room occupancy without dedicated se

See how dynamic accumulator pressure control using a pressure transducer and controller reduces

See how dynamic refrigerant supercooling adjustment prevents air temperature variation across t

See how a chamber with down tube and expansion screen sub-cools refrigerant and creates a vorte

See how segmented basis functions capture HVAC state transitions and response intervals to impr

Laser sensing identifies blocked cold air outlets and triggers timed alerts before localized hot spots or shutdowns develop.

See how merging three-way valve, on-off valve, and expansion means into one complex valve devic

See how a thermostat power extraction circuit detects common wire presence, adapts load impedan

Location-aware HVAC preconditioning uses a vehicle battery to offset peak power use while maintaining building comfort.

See how an airflow blocking portion and louver arrangement prevent conditioned air from reachin

See how fluorine resin and surfactant coatings on submicron glass fibers achieve high collectin

See how inverter frequency regulation based on thermostat signals maintains stable indoor tempe

See how radial contact elements inside tubular furniture structures enable simple insertion and

See how aggregated thermal demand feedback dynamically adjusts HVAC setpoints to match building

See how secondary positioning with holding currents and additional pulses aligns rotor-stator b

See how a switching mechanism changes refrigerant flow direction between two communication pipe

See how a lighting control analyzer extracts occupancy behavior from existing light settings, e

See how flexible cooling lines with low-pressure dielectric coolant and jet-stream heat sinks r

See how segmented test runs diagnose assembly state and refrigerant issues before full system c

See how HVAC runtime estimation uses a correlation database of past cycles and real-time indoor

See how a segmented cleaning device with detachable lamp console enables dual use as room lamp

See how dynamic supercooling adjustment and expansion valve control reduce refrigerant temperat

See how dissatisfaction-level calculation distinguishes temporary from persistent occupant need

See how intelligent thermostats detect control coupling between HVAC zones and adjust cycle-ini

See how dual-stage pneumatic ventilation with independent filtering units maintains a pressure

A gravity-closing metal door and downward chute deter bird entry while preserving airflow and simplifying vent assembly.

Centralized sensors and a controller adjust supply-register apertures for each space, reducing inefficient airflow management while meeting environmental set points.

See how a room heater prohibits set temperature updates when manually switched off too soon or

See how relay-based autotuning with hysteresis adjustment and closed-loop verification improves

See how orifice-based jet streams deliver pressurized coolant directly to microprocessors, redu

Embedding transverse beam emitters and receivers in an HVAC filter simplifies clogging monitoring and maintenance in compact cabinets.

See how selective AC or DC locked energization heats the compressor motor using winding resista

See how test-mode detection restricts remote operation changes to prevent maintenance disruptio

See how segmented frames with adjustable connections and flexible support surfaces enable shelv