Mechanical Apparatus TRIZ Cases

By moving UV treatment into the humidified air path, this case limits downstream microbe spread and pairs it with water filtration.

An intercooler bypass and injection valve keep CO2 refrigerant hotter during reverse-cycle defrost, reducing heat loss and improving defrost capacity.

Thin-walled light passage elements in a laminarizer raise work-area luminance while preserving low-turbulence airflow in clean rooms.

Alternating header branches and a bypass pipe spread refrigerant evenly across the heat exchanger to limit frost concentration and improve defrosting.

User proximity sensing raises polling when someone is nearby and slows communication when away, cutting HVAC controller latency and battery drain.

A plasma unit and photocatalyst filter remove indoor pollutants while converting harmful ozone into OH radicals for safer air treatment.

Different pleat heights and a seated diffusion member keep airflow uniform, improving filtration and filter replacement interval sensing.

Wireless energy conversion powers a lightguide-coupled light source without wiring, easing design constraints in embedded illumination.

A unified hierarchy of software-defined building objects replaces separate BMS trees, reducing custom coding and speeding navigation.

Upstream control-pressure tapping lets a gas cooler-dryer bypass valve cut dew point, reduce energy loss, and avoid freezing across load changes.

Discharge temperature plus compressor power or current is used to calculate superheat, detect floodback, and adjust speed or valve opening.

Capillary water feed and ultrasonic atomization let this heater deliver warm, purified, humidified air without the dry-air drawback.

Body temperature sensing and wireless feedback let room HVAC adapt to occupants in real time, improving comfort while cutting energy waste.

Independent vacuum control and dual containers cut docking trips, improve waste volume estimation, and keep water out of the vacuum source.

Selecting the indoor unit with the highest available voltage keeps a shared remote controller powered over long communication lines.

Variable coolant flow temperature tracks rack cooling demand to cut energy use while maintaining target server supply air temperatures.

A refrigerant bypass blocks evaporator entry when heat medium temperature nears freezing, improving HVAC safety and efficiency.

Transition-matrix inference turns motion sensor signals into accurate area person counts without extra counting sensors, lowering cost and energy use.

Carbon-impregnated polypropylene tines replace fragile glass tubes to improve air ionization, cut energy use, and minimize ozone.

Covered cold aisles and rack-level airflow control target data center hotspots without overcooling the whole room, cutting energy use.

Direct water-line feed and two-stage atomization create ultrafine cooling mist without a pump or reservoir, avoiding wear, odors, and contamination.

Closing indoor liquid-line valves during defrost switching prevents refrigerant reverse flow and avoids heating startup delay in multi-floor systems.

Liquid refrigerant injection and hot gas bypass raise compressor suction pressure, prevent frost, and reduce vacuum damage in trailer units.

A bypass and segmented valve control keep ejector inlet pressure and refrigerant flow ratios stable, sustaining COP as cooling load changes.

Dynamic coolant temperature control cuts thermal recycling energy use while preserving cooling capacity when load abnormalities occur.

By inclining the infrared sensor array during scanning, this case improves thermal image resolution without adding more elements or motors.

Interactive HVAC reports turn thermostat data into daily summaries, timelines, and energy-use cues that guide comfort-aware savings.

Remote scheduling automates coolant leak detection across multiple cooling units, cutting manual visits while preserving accurate results.

Thermal-break frame chambers shield smoke vent actuators from fire heat while double glazing and insulation reduce building heat loss.

Dynamic compressor frequency switching balances room cooling with fast hot water recovery, reducing shortages without sacrificing efficiency.

Multiple global and local models let an intelligent controller predict and display time remaining as conditions change.

Internal air handling recirculates and cools clean air through floor and ceiling plenums, avoiding duct penetrations that admit radioactive contaminants.

Using only outdoor temperature, voltage, and current sensing, this case detects low-efficiency heat pump faults before failure.

A rotatable reflector redirects LED light from the vacated space into an open refrigerator drawer, improving visibility as drawer position changes.

Uses the air handler's pressure gradient to inject scent or disinfectant vapor through existing ducting without pumps or parallel ducts.

Infrared scanning uses floor-wall temperature differences and body position logs to map room shape when thermal boundaries are hard to detect.

Adaptive occupancy learning auto-configures HVAC, lighting, and shading controls to cut setup labor, maintenance, and energy use.

UV light disinfects carriers, tube interiors, and blower air to cut cross-contamination without shutting down pneumatic transport.

A recessed flap with dual seals improves exhaust vent closure, limiting wind-driven opening, air infiltration, heat loss, and snow blockage.

Selective heating in a suction line heat exchanger regulates refrigerant flow, improves pull-down, and helps keep liquid out of the compressor.

A modular economizer controller adds climate-specific setup, fault detection, and compressor protection to improve HVAC energy savings.

When one blower motor hits current limiting, the controller lowers the other fan speed to keep duct air volume balanced with less hardware complexity.

A radial fan, UV light, and particle filter create a compact sterile air curtain with laminar flow, reducing contamination without a full sterile room.

Flow, supply, and return temperatures are used to infer room temperature, avoiding sensor placement limits and reducing thermal drift.

A peripheral light pipe and scattering elements spread LED light evenly around the mirror, reducing glare, distortion, and energy waste.

Variable-speed compressor and fan control keeps temporary shelter HVAC lightweight, reliable, and efficient in remote low-power conditions.

Bypass damper control uses supply air pressure and temperature feedback to handle excess HVAC airflow, cutting noise and preventing overcooling.

Coordinated HVAC control uses return and supply air sensors to prioritize cooling valves over fans, cutting load hopping and power use.

Intermittent filter rotation and brush-to-brush cleaning prevent dust buildup on the scraper and sustain air conditioner filter cleaning.

A switched main and auxiliary circuit cuts standby power while keeping motor drive control ready for stable operation and fast restart.