Mechanical Apparatus TRIZ Cases

See how a hybrid air purifier combines UV germicidal treatment, ionization, and catalyst-coated

See how an HVAC control device calculates average air quality metrics from VOC, CO2, and pollen

See how automated pump-down to the outdoor coil contains flammable refrigerant using EEV closur

See how an HVAC condensate recycling system reuses collected water for evaporative cooling, red

See how sensor-driven IDEC control dynamically adjusts cooling modes and fan speeds to maintain

See how segmented energy components and predictive optimization reduce building energy costs by

See how dual pressure sensors on the recirculation fan enable direct volume flow measurement, r

See how a pressure adjuster between two heat-exchanging regions enables different condensation

See how a cost function integrates asset purchase cost and operational impact to co-optimize HV

See how a push hood with guide and air collision face creates a larger clean air space without

See how capacitive touch elements embedded in sealing compound enable contactless operation thr

See how outdoor-temperature-based airflow rate limitation reduces indoor fan power waste while

See how inverted turbofan airflow and radial outlet design reduce power consumption and dust st

See how a heat pump outdoor air unit and radiation mixing enable a two-pipe facility to switch

See how a guide assembly and segmented chassis design enable users to detach the fan for cleani

See how venturi-effect air intake devices at access window corners eliminate turbulence and sta

See how a ductless modular air-quality network uses distributed sensors and feedback control to

See how parallel heat exchangers with independent expansion devices enable defrosting without s

See how distributed MPC resolves the contradiction between campus-wide energy optimization and

See how an ice storage system predicts air-conditioning loads using scheduling, temperature, an

See how a refrigerator door integrates a light guide plate, display, and angled internal lights

See how dynamic liquid outlet temperature and superheat setpoints optimize subcooling based on

See how induction loops verify vehicle presence on driveways to prevent nuisance exhaust fan ac

See how positioning filter rails on opposite sides of a bulkhead frame distributes weight evenl

See how dynamic operation-rate adjustment and stored-heat feedback balance cold-heat supply rel

See how continuous curvature and z-shaped ventilation channels prevent ligature formation on wa

See how sensor-driven ventilation automates air intake, filtration, and humidity control to mai

See how segmented spray units with ultrasonic atomization and real-time sensing reduce energy c

See how a wireless media sharing application enables simultaneous electronic media upload to mu

See how high-frequency voltage control with multi-cycle current detection maintains constant he

See how an integrated projector and display plate enable air conditioners to project images ont

See how adaptive pressure equalization skips unnecessary delays when the compressor has stopped

See how motor load parameter monitoring with ambient condition compensation enables accurate bl

See how positioning the carrier axis asymmetrically between flap ends reduces wind sensitivity

See how a bypass circuit with electric heater and circulating pump pre-heats water during low-c

See how adjustable ventilation elements with narrow openings allow effective air circulation wh

See how a reed switch and magnet system with centralized LED driver reduces cabinet lighting in

See how a modular multicoil HVAC system uses segmented coils, variable-speed blowers, and feedb

See how nested feedback loops adjust EEV operating range based on ambient temperature to reduce

See how variable speed blower control adjusts cooling capacity dynamically to reduce energy use

See how a segmented evaporator with re-heat coil manages humidity without over-cooling, reducin

See how a modular control panel with expandable I/O ports manages scrubber filtration and regen

See how an HVAC controller gathers current and forecasted weather data to automatically operate

See how a mobile comfort unit creates a localized thermal zone around users, reducing HVAC ener

See how parallel expansion devices matched to compressor settings stabilize refrigerant flow an

See how an ejector refrigeration system switches between four operation modes to maintain high

See how a reservoir with segmented connection pipes and a gaseous refrigerant guide enables rap

See how a multi-pass heat exchanger with segmented flue tubes and dual plenums enables top wate

See how nested power terminals, drawer alignment, and cutoff switches prevent electric shock an