Mechanical Apparatus TRIZ Cases

See how a touch screen HVAC controller uses segmented menus, context-sensitive help, and dynami

See how adjacent indoor units generate air curtains to prevent conditioned air diffusion in ope

See how a relocatable thermostat copies learned heating schedules and thermal parameters to new

See how depth sensors count occupants and predict activity patterns to adjust HVAC settings bef

See how segmented forward and upward blowing control members close both air outlets during oper

See how remote schedule-based refrigerant leakage detection reduces manual intervention costs a

See how sidewall lamps with sensor-based activation illuminate door guard contents in double-do

Remote rate requests let household appliances cut maximum power quickly while keeping room temperature within a set range.

See how spaced discharge electrode plates generate corona discharge without counter electrodes,

See how dual-valve control of bypass and pre-expansion regulates high-pressure side while maint

See how real-time operation plan correction uses feedback control to adapt air-conditioning to

A conductive perimeter trace channels electrostatic discharge from the HVAC touch screen to a PCB grounding feature, protecting electronics.

Detachable cross bars and conductive uprights let shelf assemblies adapt to changing product packaging without replacing display hardware.

A controller uses cord power and fan speed to reduce energized heaters, limiting bulkhead heat and deformation in air conditioners.

Switched paths size gas and liquid pipes separately, limiting pressure loss and refrigerant charge variation during battery heating or cooling.

See how temperature and airflow sensors combined with an energy balance prediction model detect

See how photo and temperature sensors detect snow accumulation on outdoor units, triggering fan

See how thermostat relay self-test feedback enables remote diagnosis of HVAC faults, reducing u

A pin-and-flange expansion valve maintains bleed flow when primary flow is near zero, limiting HVAC start-up pressure spikes.

See how a portable air cooling system integrates solar panels, batteries, and dual blowers to p

See how density-based layering separates multiple fragrances in a single refill, enabling seque

A curved rack path lets an air conditioner vane swing directly from rack-and-pinion motion, preserving swing width while reducing motor torque and size.

See how a two-stage throttle with intermediate branching maintains single-phase refrigerant dis

See how a pulse-type DC terminal signal generator enables error detection while insulating the

See how a display element connected to the flap shaft enables external visibility of flap posit

See how incremental overheat temperature adjustment with stability detection keeps heat pumps n

See how upstream control pressure tapping and dynamic bypass valve adjustment prevent evaporato

See how a multi-way valve and adjustable expansion devices distribute refrigerant evenly across

See how sensor-driven contaminant detection and threshold-based purification control replace ma

See how a retractable booth with integrated filtration creates laminar airflow to capture parti

See how adhesive coupling of media layers with a support grid eliminates impermeable mechanical

See how periodic biocide injection controlled by appliance operation signals reduces pathogens

Oscillation detection and Predictability and Offset Indices identify HVAC loop degradation and trigger controller re-tuning.

See how sensor-based dynamic control of wheel speed and airflow adapts solid desiccant dehumidi

See how integrated power outlets in shelf supports enable flexible lighting reconfiguration whi

See how one-way valves enable cycle enhancements to operate efficiently in both heating and coo

See how differentiated notifications for remote manipulation versus local control prevent unexp

See how a chiller-based climate control system adjusts compressor speed and valve position base

See how calculating target absolute humidity from set temperature and relative humidity enables

See how a humidifier rate saturation controller decouples temperature and humidity loops using

See how real-time mobile device location data enables adaptive thermostat control that learns o

See how high-frequency locked energization with segmented current detection prevents liquid ref

See how remote controller-based LAN configuration resolves adapter accessibility issues when mo

See how a bi-directional insert in a radial diffuser generates controlled flow resistance to mi

See how electronic actuators and needle-based flow control replace shape memory metals to impro

See how a leg-actuated locking mechanism secures a segmented table top in both extended and col

Flexible mounting lets this drywall extrusion grille conform to uneven walls while using standard sheet rock screws for secure attachment.

See how a rotatable ring interface with inward-press navigation simplifies thermostat programmi

See how a pre-validated modular cleanroom uses redundant air handling and power systems to enab