Mechanical Apparatus TRIZ Cases

Refrigerant evaporation pressure and temperature baselines improve outdoor heat exchanger frost judgment and avoid unnecessary defrosting.

Camera image analysis identifies local weather events so home automation rules can respond more accurately than generalized forecasts.

A divided dual-module layout blocks discharged air recirculation while 360-degree intake and multi-direction discharge expand indoor purification with less noise.

A dual-processor HVAC controller isolates flame, gas valve, and igniter safety functions so software updates avoid recertification.

Bleed water is reused in a secondary evaporative stage to pre-cool air, cut drain loss, and limit mineral scale in the primary cooler.

An optical waveguide with prisms carries indicator light across a movable vacuum cleaner joint, cutting wiring weight and disconnection risk.

Adjusting the refrigerant inlet position and expansion valve lets a heat pump inject vapor, liquid, or wet refrigerant for cooling and efficiency.

Vertical stacking and magnetic module joining combine humidifying, purifying, and dehumidifying functions while reducing floor space and cord clutter.

Variable compressor speed and coolant isolation cut dehumidifier energy use while preventing ice and stabilizing pressure and dew temperature.

Multiple infrared detector elements scan the detection area to build one thermal image for more accurate human presence and activity sensing.

Indoor air is scrubbed with adsorbents while bypass and outdoor-air modes limit conditioning load and pollutant intake.

UVX light and a noble metal alloy generate hydrogen-peroxide plasma to sanitize vehicle A/C ducts and interiors without chemicals or ozone.

Generator waste heat defrosts the outdoor coil without reversing the heat pump, preserving indoor heating and reducing component stress.

Separating the outdoor control unit into substrate-mounted blocks simplifies wiring, cuts noise, and makes control variables easier to modify.

Continuous monitoring of alarm signal connections in modular smoke extraction subsystems helps ensure reliable emergency mode switching after long ventilation periods.

Occupancy sensing and sound or vibration status detection let mini split HVAC units shut off reliably without extra wiring or system changes.

By adjusting compressor speed from ambient temperature and condenser-fan cycle time, this HVAC case cuts low-temperature cycling and wear.

Capacitive mesh sensing tracks HVAC filter dust buildup continuously, reducing manual inspections, energy waste, and mistimed maintenance.

A return-line temperature sensor and control circuit adjust thermostat valve signals to cut energy waste and expose hydronic faults.

A timer limits multi-speed blower changes during cooling cycles, reducing airflow noise swings while preserving humidity-based adjustment.

Carbon fiber electrodes ionize airborne particles so a charged filter can capture dust efficiently without restricting airflow.

Independent economizer pressure and flow control improves vapor compression cooling capacity while protecting compressor operation.

Turnaround time and temperature log analysis reveals air conditioner performance trends and maintenance needs for authenticated users.

Occupancy sensors, a PLC, and VFD cut constant-volume HVAC fan speed and outside-air waste while improving economizer control.

Occupant preferences, zone constraints, and energy policies are combined to arbitrate temperature setpoints that save energy without sacrificing comfort.

A smartphone-linked wireless probe measures airflow and air quality, then adjusts ventilation in real time to cut monitoring cost and inflexibility.

Phase-shifted reference signals let an HVAC keypad share interrupt pins, cutting scanning, power use, and controller pin count.

Refrigerant sensors in non-air-conditioned spaces trigger branch shutoff valves to isolate leaks and keep refrigerant out of occupied rooms.

A separate heat medium circuit keeps refrigerant out of indoor units while shortening flow paths and allowing maintenance without stopping all units.

Alternating heat exchanger roles and a stationary desiccant bed cut rotor complexity, pressure loss, and power use while sustaining dehumidification.

Alternating two adsorption heat exchangers maintains indoor humidity and temperature control even when the compressor is stopped.

Modulated purge and hot gas bypass valves raise compressor suction pressure to prevent frost buildup and vacuum-related wear in trailer refrigeration units.

Alternating heat exchanger roles with a stationary desiccant cuts sealing complexity and pressure loss while increasing dehumidification.

An AC switch and parallel reactor cut chopper losses while preserving harmonic current suppression in motor drive power converters.

Sensors coordinate intake, exhaust, and compressor operation to improve cooling, cut energy use, and block rainwater entry.

A gateway maps proprietary HVAC data into a common computation format, enabling advanced control across existing building systems.

Temperature and humidity sensing trigger dew point based heating only when condensation risk rises, helping prevent corrosion and device failure.

Shared temperature and humidity sensing coordinates main and auxiliary compressors to pre-treat make-up air and improve indoor comfort.

Angled louvers and adjustable mounting keep rain out of open windows while maintaining airflow, comfort, and easy fit across window sizes.

A transport refrigeration circuit subcools heat transfer fluid through a pressure regulator to warm fuel, prevent freezing, and cut engine runtime.

Backup-powered indoor units open louvers and control refrigerant flow to recover oil without condensation, mold growth, or compressor oil shortage.

An LED light and gravity switch on the door replace hot, noisy lamp switching to improve refrigerator lighting reliability and energy use.

Using PoE for both power and signals, this actuator cuts HVAC wiring cost while adjusting operation to limited shared line power.

A stacked core combines condenser, evaporator, and reservoir to cut fluid connections, reduce refrigerant volume, and save space.

A unidirectional bypass pipe redirects primary fluid to improve external heat exchange while preserving the magnetocaloric thermal gradient.

Unequal hot and cold blow timing with adjusted flow rates preserves cooling power while reducing rare-earth magnet mass.

Multi-point temperature and humidity sensing lets a desiccant wheel controller adjust heating, airflow, and rotation for lower energy use.

Sequential sound waves of changing frequency help air conditioners exterminate insects efficiently without complex multi-frequency hardware.

Installed function data lets a smartphone app build the right air conditioner control screen, avoiding frequent management program updates.

Sequential VOC, UV, and HEPA filtration removes IVF lab contaminants while capturing carbon dust and harmful by-products.