Mechanical Apparatus TRIZ Cases

See how feedback-based water supply control prevents scale accumulation in humidifying material

See how an integrated air handling unit combines ventilation with cooling and heating by dynami

See how a distance adapter and light transmission opening position the light module outside the

Real-time load estimation switches between direct expansion and pumped refrigerant economizer modes to reduce compressor power in cool outdoor conditions.

An economizer circuit splits liquid refrigerant from the condenser to reduce compressor energy while maintaining CRAC cooling across ambient conditions.

See how regional and energy balancing valves adjust water flow and return temperature to elimin

Jet streams drive dielectric coolant against hot surfaces and into bubbly two-phase flow, targeting high heat flux with lower cooling-system power.

See how an economizer uses outside air temperature to override incorrect mixed air sensor readi

Radio-wave arrays detect human presence and movement by body reflection, enabling private, zone-specific air conditioning without motor rotation.

See how a recessed air vent body with matching siding pieces eliminates protrusion, blending in

Current, voltage, and indoor/outdoor temperature sensing adds real-time feedback and abnormality alarms without modifying the installed air conditioner.

See how a mobile configuration interface uses photo-realistic back-panel depictions to guide po

Removing the ion-absorbing shield, this bipolar ionizer uses capacitive coupling and an external indicator to balance ion currents automatically.

Independent compartment cooling can waste capacity and complicate a compact machine room; synchronized fans improve airflow and heat exchange.

See how a power stealing circuit draws maximum power during negative signal cycles while limiti

See how outdoor humidity sensing coordinates auxiliary and main compressors to optimize heat ex

See how non-symmetric electrode positioning disrupts sludge settling patterns, extends service

See how distributed appliance decision-making and centralized orchestration cap aggregated powe

See how a segmented filter apparatus uses disposable cartridges and a reusable blower to remove

See how limiting indoor fan speed in dehumidification mode preserves evaporation region extent,

See how an HVAC controller calculates setback temperature as a function of recovery time, enabl

See how spaced closure elements create air-filled chambers that provide thermal insulation whil

Multiple frequency tables let the air-conditioner controller balance cooling demand, power loss, and circuit-element temperature.

See how a dual-media filter frame uses color-change differences between electrostatic and non-e

See how dynamic adjustment of heat-exchange efficiency and outdoor-air volume percentage minimi

See how a finite state machine transitions between high and low cooling load states to maintain

See how independent refrigeration cycles and prior ventilation control enable continuous heatin

Bus current feedback replaces a malfunction-prone air flowmeter, enabling low-complexity closed-loop ECM motor control for constant air volume.

See how proximity detection of mobile devices enables automatic thermostat control across zones

Sensors compare compressor pressure or saturation temperature with thresholds so indoor-unit airflow can manage load changes and protect reliability.

See how bi-directional fans and temperature sensors dynamically adjust airflow direction to coo

See how phase change materials integrated into stadium seating absorb and release heat to stabi

See how physically separating ventilation and thermodynamic water heating into independent unit

Adding or removing flexible cooling lines during operation is supported by bypass pressure regulation that stabilizes two-phase flow.

See how user-adjustable display rotation in HVAC controls maintains readability across up-flow,

See how response detection diagnosis followed by performance detection diagnosis reduces air co

See how a variable transparency film and proximity sensor let users view refrigerator contents

See how an LED lighting assembly uses reflective surfaces and lenses to direct light beams in m

Refrigerant pressure, suction temperature, compressor frequency, and evaporator temperatures enable stable absolute flow-rate calculation without a flowmeter.

See how a closed heat medium circuit with 150 kPa minimum pump head maintains positive pressure

See how dual independent fans with 360-degree suction and side-plus-upper discharge overcome si

See how a universal data integration platform connects power, building, and white space domains

See how dynamic energy-per-flow gradient measurement replaces fixed thresholds to optimize HVAC

See how predetermined coupling impedances in air handler controllers eliminate manual field adj

See how independently controlled spray units adjust water output based on temperature, humidity

See how control unit detection of closed path pipes in connection information prevents operatio

Integrated LEDs, UWB transceivers, and optical channels enable wireless building control through standard light connectors without extensive rewiring.

See how preliminary load factor evaluation prevents frequent heat source machine cycling by che