Mechanical Apparatus TRIZ Cases

See how sound wave reception from portable devices replaces room sensors to reduce air-conditio

See how an oil separator positioned between heat dissipation and expansion valve retains oil ou

See how a capacity controller uses feedback and anti-windup techniques to align HVAC equipment

Monitoring motor current at a set impeller speed lets a temperature-control system detect vent blockage and blower malfunction without pressure switches.

See how monitoring radiator heat dissipation capacity during throttle adjustment accurately det

See how modular air conditioning, free-air-cooling, and heating modes with variable-speed compr

See how parameter-based control of outdoor heat exchangers compensates for liquid head differen

See how a heat medium distribution device controls flow rates to multiple use-side heat exchang

See how integrated ventilated regions, perforated panels, and internal fans remove heat from se

See how a supplemental evaporator upstream of the compressor captures engine compartment heat t

Downstream-facing openings and diameter-spanning tubes average pressure readings, resist lint clogging, and improve Venturi airflow accuracy.

Convex flow-guide portions form water passages between butted metal boards, capturing flue-gas heat while lowering discharge temperatures.

Virtual data center modeling divides airflow channels and shapes internal veins to limit hot spots and reduce redundant CRAC units.

See how dynamic discharge pressure control optimizes energy efficiency in transcritical CO2 ref

See how portable remote controllers with human detection sensors enable flexible sensor placeme

See how preliminary cooling before adjustment periods creates a thermal buffer that minimizes e

See how an acceleration sensor in the remote controller triggers instant display of energy-savi

See how segmented outflow devices and adjustable cross-sections maintain uniform airflow across

Inlet and outlet sensors provide real-time quality data, enabling threshold-based fan-speed and purification control.

See how thermal resistive sensors with polarity-activated LEDs enable remote identification of

See how integrating a dust container within the filter cover eliminates a separate collecting c

See how a ventilation air volume correction coefficient bridges sensor location and occupied sp

Condenser heat warms evaporated refrigerant in a bypass pipeline, reducing pressure loss and compressor power consumption.

See how a network-connected thermostat gathers usage data, analyzes energy patterns, and displa

A temperature-sensing valve bypasses the tank when inlet water is warm enough, reducing hot-water response time and energy use at the point of use.

See how a pressure-sensor operating element uses a light conductor to transmit force and illumi

See how segmented discharge portions and selective air flow paths reduce wind speed and noise w

See how compressor frequency control using dew-point temperature and evaporation pressure minim

See how a modular hermetically-sealed enclosure uses segmentation and glove ports to maintain i

See how temperature sensors and power profiles detect filter soiling and fan stress in electric

See how compressor suction pressure monitoring enables precise defrost timing independent of hu

See how light guides and hidden LEDs illuminate the dispenser area while isolating electronics

See how blending 1.0-5.0 wt% acid scavenger in polyvinyl ether or polyol ester oil suppresses R

See how simulation-based HVAC scheduling resolves the contradiction between automated energy re

See how a mobile device with wireless interface enables direct HVAC controller configuration by

A controller slows the door unit near the opening, pauses before closure, and resumes movement to prevent finger jamming.

See how a variable refrigerant package air conditioner dehumidifies outside air before room ent

A thermal accumulator stores energy in advance to maintain refrigerated cargo temperatures during power-off stops and noise restrictions.

See how imaging-based detection and dynamic discharge vane control enable ceiling-mounted air c

See how a central communication unit wirelessly coordinates volatile composition dispensers wit

See how a control module switches compressor capacity modes based on outdoor temperature slope

See how a control module switches compressor capacity modes based on demand, outdoor temperatur

See how a dual-mode ventilation fan uses port damper control to equalize pressure, preventing n

See how mapping user set-temperature history to weather factors enables automated HVAC scheduli

See how intelligent thermostats segment consumers, apply dynamic setpoint control, and use pre-