Mechanical Apparatus TRIZ Cases

Routing refrigerant piping through the drain outlet region prevents frozen condensate blockage and maintains drainage with lower power use.

Baffles and fire-resistant mesh block ember and flame ingress while preserving the airflow needed for roof ventilation.

Wireless relay nodes and mobile sensors adjust fans and heaters by occupancy and local air conditions, cutting wasted energy in blocked areas.

Variable compressor capacity and valve control cut energy use while maintaining the user-set temperature and avoiding early thermo-off.

A mobile terminal uses wireless data, images, and onboard control logic to monitor appliances and send tailored operating guidance without a separate master hub.

An edge board plug and sealing cap simplify refrigerator LED light installation while maintaining foam sealing and lowering assembly cost.

A floating timing bar lets drawer pinions stay synchronized while absorbing cabinet spacing variations for smooth, consistent operation.

A movable damper blade restricts HVAC airflow to match blower power to real loads, cutting cycling noise and improving electrical efficiency.

An asymmetric cyclic olefin membrane admits outside air while blocking SPM and resisting pressure that breaks conventional vehicle intake membranes.

Room temperature feedback suspends utility load cycling when comfort limits are exceeded, then shifts HVAC control to setback mode.

Parallel airflow across each object's smallest dimension improves temperature control in dense test slots without complex ductwork.

A movable separation disk splits hot and warm water zones in a buffer tank to prevent mixing, improve boiler efficiency, and stabilize HVAC operation.

A nested fan, grille, and dual-LED layout improves fixture cooling, trims bulk, and adds occupancy-based quiescent lighting.

Connection sensing identifies inserted HVAC wires and auto-configures the thermostat, simplifying installation without losing energy-saving control.

A flash-memory key lets technicians reprogram locked thermostat limits, while rapid temperature-change detection blocks energy-wasting override attempts.

Circular balancing weights in a fluid-filled annular housing suppress spin-cycle vibration without blocking the washer door or reducing drum volume.

A two-point deformable flap keeps ventilation airflow nearly constant from 1-25 Pa while limiting draught, vibration, and extra production steps.

Curved or saw-toothed incidence features redirect and diffuse edge-source light to reduce dark portions and improve backlight brightness uniformity.

A protocol-converting valve control board coordinates outdoor unit capacity and heat source water flow to improve HVAC reliability and efficiency.

A three-way valve diverts out-of-range hot or cold water through bypass piping to protect the radiator heat exchanger from damage.

Automatic hot-melt window opening and linked vertical-transverse flues vent smoke fast and confine fire to the affected room.

Switchable refrigerant paths and separate throttles widen blowoff temperature control while limiting frost and preserving dehumidification.

Separate temperature and humidity loops use specific humidity and humidifier rate saturation to prevent condensation during incubator transients.

Sterile clean room air cools the sterilizer exit window and returns to circulation, avoiding rotary distributors and external air supply.

A contiguous external condenser uses refrigerant heat to warm the external evaporator, reducing icing without extra heaters or major redesign.

Two evaporating units and a dual supply expansion valve balance refrigerant flow and pressure drop to improve vehicle AC cooling and COP.

Dynamic DR levels let household appliances adjust energy output during peak pricing, cutting power use and electricity bills with less user disruption.

An air barrier and return duct layout keeps warmer fresh-food air off the evaporator, reducing frost buildup while preserving ice integrity.

Coordinates lighting, daylight, and temperature control to cut power use while allowing temporary manual override with automatic return.

A blended HFC-134a and HFO refrigerant achieves low GWP and Class 1 non-flammability while preserving drop-in efficiency in existing systems.

A retrofit heating element and controller use renewable power and phase change storage to cut continuous water-heating energy waste.

A slit membrane seal in vertical pipes limits warm air escape and sewer gas entry while still allowing water flow and pressure equalization.

A common fastener and integrated distributor simplify refrigerant line service while keeping two-phase flow evenly split under vehicle motion.

A mobile interface uses photo-realistic back-panel ports to guide component wiring and generate accurate multimedia system configuration data.

Coordinated indoor and heat-source expansion valve control balances refrigerant pressure drop, preventing wet compression and surplus refrigerant.

When fan speed stays too low during high-frequency compressor operation, this control logic pauses the compressor to prevent overload and circuit stress.

A deflectable one-piece polymer ratchet replaces multi-part leg rest latches to cut noise, simplify assembly, and hold multiple extended positions.

Stored gas-phase refrigerant is discharged during compressor stoppage to maintain HV apparatus cooling flow and prevent unstable capacity.

Simplified equations let variable-speed centrifugal chillers calculate planned COP in real time from key operating data, reducing processing load.

Angled LED arrays on opposing supports broaden light spread, reduce hot spots, and simplify assembly for refrigerated display lighting.

A TV gathers and compares power data from multiple external devices, then lets users select and control them to support energy saving.

Real-time thermostat feedback guides users toward energy-saving schedules, improving engagement and reducing heating and cooling costs.

A flexible support platform and linked surface panels let shelving resize and reshape for changing layouts without replacing shelves.

Occupancy sensors trigger auto-away and auto-arrival setback control, cutting HVAC energy use without manual schedule changes.

Flow switching in a heat-medium HVAC circuit shortens circulation paths, avoids indoor refrigerant leakage, and cuts pump energy use.

A heat-medium buffer lets indoor units keep cooling or heating after heat-source or relay faults, helping maintain stable room temperature.

An injection-molded pipe body integrates water heater flow paths and valve connections to cut fastening parts, leakage risk, and maintenance effort.

Combining enthalpy heat recovery with heat pump control conditions high outside air ventilation more efficiently and reduces external conditioning power.