Mechanical Apparatus TRIZ Cases

See how an HVAC controller uses electrical switch configurations in calibration mode to detect

Reusable filter media is cleaned by shaking or air nozzles so dust falls for collection, cutting replacement labor and material costs.

See how liquid level sensors replace superheat calculation to control expansion valves, prevent

See how modulated reference signals embedded in power consumption measurements confirm air cond

See how predictive psychrometric calculation and dynamic water flow control prevent humidity se

See how a remote moisture sensor positioned on clothing or surfaces prevents premature shutdown

Humidity feedback and supplemental heating keep interior dew point stable during temperature swings without energy-intensive cooling.

See how segmented frame fixation with adhesive layers stabilizes stacked pleated filters, preve

See how adaptive turbine valving enables series and independent flow modes to recover cabin out

See how a valve controls refrigerant flow through the lowermost outdoor heat exchanger pipe to

See how an adjustable expansion valve in the relay unit branch portion maintains heating capaci

Curved air-guiding panels deflect rising heat away from supply air, separating return flow and cutting laboratory air-exchange energy.

See how a heating unit between accumulator and compressor uses heat exchange to improve oil ret

See how occupancy detection and predictive HVAC control resolve the contradiction between energ

See how sensor-based occupancy detection automatically selects HVAC profiles for individuals an

See how a liquid refrigerant control valve injects refrigerant downstream of the expansion devi

See how automated geotagging and image verification replace manual data collection to reduce fr

See how sealing members and magnetically neutral separating layers prevent particle ingress bet

See how a multi-case shield assembly with soundproofing and refrigerant discharge holes reduces

See how a movable limit piece adjusts minimum orifice flow area to prevent centrifugal compress

See how series and independent turbine operation with valve control optimizes bleed air, fresh

See how early-stop preheating and precooling with natural temperature drift reduces air conditi

See how an instantaneous heater with reservoir recirculation and dynamic flow mixing maintains

A valve blocks refrigerant flow in the lowest outdoor heat-exchanger pipe to limit frost buildup, shorten defrosting, and sustain heating.

See how a parallel-connected second expansion device adjusts flow area to prevent refrigerant c

See how VLAN segmentation enables multiple PDN connections over a single physical interface, re

See how a discharge path and switch structure extract accumulated refrigerant from idle heat ex

See how an air-permeable substrate with photocatalyst coating produces non-hydrated hydrogen pe

See how an auxiliary water path uses high-temperature water from the main circuit to defrost th

See how a color palette construction unit enables user-defined display tints while maintaining

An accumulator cools low-temperature compressor discharge using flooded low-side refrigerant, improving medium-temperature compressor efficiency.

See how a lifting mechanism with anti-pinch springs and limit switch prevents hand injury in th

Sensor-based monitoring detects open intake or exhaust pressure switches, shuts down the blower, and helps prevent water heater combustion failures.

See how a multiple-system controller stages HVAC operations using anticipated power consumption

See how flash gas separation and pressure regulation maintain isothermal evaporation by elimina

See how integrated vibration devices automatically clean adiabatic cooling pads to maintain air

See how a reversing valve redirects hot refrigerant gas to rapidly melt evaporator frost, reduc

Refrigerant heat from an air conditioning loop is routed through a tank heat exchanger to warm water with lower cost and less system complexity.

See how a liquid passage and expansion valve release receiver pressure to the utilization heat

See how voltage-drop circuitry harvests energy from relay circuits to recharge thermostat batte

See how a movable filter panel extends below a partially open garage door to enable natural ven

See how a movable fan housing assembly protrudes through a front outlet to deliver conditioned

See how integrated light extractors in the airflow path emit directional light to simulate natu

See how a fixed-side support plate isolates the refrigerant flow path unit from compressor vibr

See how a retrofit cold plunge assembly chills water to 33-45°F using integrated cooling and st

See how detector-driven ventilation control maintains safe metallic element concentrations in s

By raising flash tank pressure and heating stored refrigerant, this case shortens evaporator defrost time while avoiding high-pressure hardware.

See how electronic expansion valves replace noisy three-way solenoid valves to enable modulatio

See how a single manifold plate integrates refrigerant flow paths, heat exchangers, and valves