Mechanical Apparatus TRIZ Cases

An intermediate heat exchanger keeps high-pressure refrigerant outdoors and cuts indoor water conveying power through coordinated pump-compressor control.

A multi-sensing smart doorbell links environmental, occupancy, and security detection to cloud-coordinated home automation and visitor handling.

Pressure absorbers and equalizing pipes stabilize heat-medium flow in multi-unit air conditioning, cutting leakage risk and pump energy.

By lowering outdoor heat exchange and trimming refrigerant flow, the controller boosts one indoor unit's heating without destabilizing others.

Integrated rack and floor-tile controllers enable real-time monitoring, preemptive cooling, and power coordination to cut data center overhead.

Absence-period control keeps room temperature within a comfortable range while cutting standby power and avoiding long recovery when users return.

A relay switches the signal and power connection in a three-wire air conditioner, cutting outdoor unit standby power without extra cable cores.

Segmented preheat, expansion, and trim-heater zones keep heated fluid uniform across wide moving substrates despite lateral expansion.

Selective power channels detect mounted refrigerator shelves and energize only connected LEDs, reducing wasted energy while maintaining illumination.

A movable catalyst shifts between bypass and full-flow positions to limit agent degradation and shorten isolator flushing time.

Usage-based filter consumption tracking triggers timely air purifier alerts, helping users replace filters before purification performance drops.

Water-repellent fins and a leeward heating unit melt outdoor heat-exchanger frost to sustain airflow, heating capacity, and comfort.

Low-side pressure relief near the compressor suction protects CO2 refrigeration circuits from unsafe shutdown pressure during high heat.

Adaptive refrigerant supercooling and expansion valve control stabilize cabin heating and humidity while limiting frost at low airflow.

Multiple refrigerant and power sensors feed a controller that calculates measured EER and adjusts DX HVAC operation in real time.

Empirical flow and temperature mapping lets HVAC controls adapt to each energy consumer, cutting energy waste and improving monitoring over time.

Multiple interface levels and access codes let staff control store atmosphere settings securely without exposing advanced functions to unauthorized users.

Image and audio sensing lets HVAC control respond to occupancy and activity, improving comfort, air quality, and energy use.

When test mode is activated, centralized control blocks remote terminal changes so service checks stay stable and maintenance is easier.

Staged valve blocking isolates refrigerant leaks using temperature and impedance detection, protecting compressors without shutting down unaffected units.

A controller holds the power factor corrector state after switching to stop hunting, reducing current waveform disturbance and noise.

Custom illumination patterns turn AC lighting into a feedback interface for operating modes, environmental cues, and mood control.

Retractable support legs fold into embedded furniture to save space, improve appearance, and light up when stored.

Combining the subcooler and accumulator in one vessel frees rack space, lowers pressure drop, and keeps liquid refrigerant out of the compressor.

Dual refrigerant paths let air cooling and water heating run together while limiting pressure spikes and wasted energy.

Load-cell biocide tracking and level sensors keep condensate lines disinfected, alert supervisors remotely, and shut down A/C before overflow.

A bypass circuit reroutes refrigerant around a frosted outdoor heat exchanger to preserve cabin heating and prevent heat absorption loss.

Captures refrigerant heat from an air conditioner or heat pump to preheat water, while bypass control limits added system complexity.

Adaptive dead zone tuning balances clean room pressure responsiveness with fewer valve operations to extend pressure control valve life.

Humidity-triggered dosing keeps an aqueous reagent active on a hydrophilic carrier, sustaining formaldehyde removal without over-humidifying.

Movement-triggered transmission and stable RSSI detection let a portable sensor auto-pair with the nearest control device while saving battery power.

A cup-shaped battery reservoir and adjustable board connectors contain leakage and tolerate misalignment in HVAC controller assembly.

Multiple radial suction modules and a centrifugal airflow controller boost indoor purification coverage while lowering resistance and fan noise.

A pump flushes trapped lubricant back to the compressor in a vehicle heat pump, improving heat transfer, efficiency, and durability.

Closely integrated light emitter and receiver improve in-situ filter contamination sensing, avoiding manual checks and dust re-scattering.

Series-connected condenser sections align coolant flow to improve air-cooled heat exchange without increasing refrigeration unit size.

Adaptive supercooling and expansion valve control stabilise cabin air temperature and prevent frost during EV heating and dehumidifying.

A series capacitor and transducer impedance reduce 120/230 VAC line input to actuator voltage, removing external transformers.

Proximity sensing lets HVAC display elements shift and resize with user position, improving readability, access, and wall integration.

By correlating valve timing with meter pulse data, this case separates irrigation and non-irrigation use for more precise water monitoring.

A dual power supply keeps only the MCU and signal receiver alive in standby, cutting air conditioner standby draw to quasi zero-watts.

Outdoor weather data and learned building thermal mass help detect HVAC inefficiency, correct bad readings, and cut energy use.

Liquid pipe temperature comparison triggers mode switching between heat recovery and dual-evaporator operation to maintain efficiency.

Manage multiple HVAC zone controllers from one thermostat interface, cutting walk-up programming time and reducing setting errors.

Local VAV balancing algorithms keep airflow tuning running through network dropouts, cutting damper overshoot, errors, and setup time.

Automated PLC control stabilizes air sampling flow, enables remote monitoring, and shuts down the vacuum pump on abnormal readings.

Separate boiler and flow-heater nozzle lines let a shower WC run either heater alone or both together for flexible temperature and pressure control.

A UV-irradiated humidifier and climate chamber recreate marine air while reducing salt deposits, corrosion, and maintenance.

During outages, fan speed is limited to backup power capacity while evaporative cooling maintains server air temperature and cuts emergency grid sizing.

Temperature and power sensing classify server components by cooling domain, enabling fan control and power capping without overheating.