Mechanical Apparatus TRIZ Cases

See how a wireless damper control module monitors battery voltage thresholds to trigger low-pow

See how weighted set point scheduling uses occupancy prediction and user preferences to balance

See how thermal resistance estimation and predictive modeling enable model-based HVAC control t

See how dual collecting containers separate liquid refrigerant using gravity, preventing compre

See how periodic position sensing and corrective actuation maintain HVAC vent flap position wit

A transparent touch thermostat combines NFC occupancy sensing and multi-sensor HVAC control to improve interaction, security, and energy efficiency.

See how potentiometer feedback enables incremental actuators to prevent position drift and achi

Operating and environmental data feed a trained neural network to detect refrigerant leaks more accurately across different air conditioner types.

See how segmented modular units with central utility distribution enable rapid facility reconfi

Mode switching lets a vehicle HVAC system cool the battery during cabin heating while suppressing outdoor heat exchanger frosting.

See how a sectioned toroidal annulus duct with torus sectors enables straight fluid paths to re

See how regression analysis of ambient and internal temperature data enables accurate climate c

See how distributed wireless climate sensors detect occupancy and create heat maps to eliminate

UV light guided along a reflective aircraft air duct kills airborne pathogens while avoiding separate sanitization hardware and wiring.

See how variable-speed compressor and fan control optimizes dehumidifier capacity under circuit

See how integrated display and input interfaces enable direct data extraction from HVAC air mea

A water-fed condenser links cabin and battery cooling circuits to avoid parasitic air heating while maintaining battery temperature.

Divider plates create cubic foam-filled regions in a refrigerant switching unit, cutting foam use and helping prevent dew condensation.

See how continuous low-speed fan operation prevents pressure spikes in multi-stage condenser co

See how partition plates divide the collecting pipe into sub-cavities to improve gas-liquid ref

See how a multispectral filter system with four or more spectral channels distinguishes surface

See how coil temperature feedback replaces intake air sensing to maintain compressor frequency

See how differential pressure sensors monitor filter obstruction and provide timely replacement

See how variable IAQ thresholds enable demand-based mitigation device control, reducing energy

Dynamic power line carrier switching lets multi-split air conditioners communicate reliably across phases without dedicated wiring.

See how an HVAC controller uses portable power and commissioning mode to enroll wireless device

See how a self-purging air sensor with external reference sampling maintains accuracy in dusty

See how a modular sensor mount enables ventilation fans to swap sensor types without replacing

See how a remote controller acquires unit information and establishes wireless communication be

See how a capacitive voltage divider circuit enables HVAC actuators to accept 120 VAC or 230 VA

See how comparing heat pump and outdoor air cooling efficiencies in real time enables dynamic m

A router-mediated control link coordinates air conditioning and floor heating without dedicated lines, simplifying installation and enabling remote operation.

See how integrated sensors assess refrigerant regenerability locally, preventing unnecessary co

Two evaporator sensors compare upstream and downstream refrigerant temperatures to detect loss of charge and distinguish it from airflow faults.

See how baseline subcool monitoring detects HVAC refrigerant faults early, reducing false posit

Sensor readings are corrected for temperature, pressure, humidity, operating mode, and drift to improve refrigerant leak detection and sensor life.

See how segmented refrigerant recovery—first in the accumulator, then in the outdoor heat excha

See how dynamic ventilation control adjusts airflow volume based on common-space temperature to

See how electromagnetic wave emission units and mobile terminals simplify device registration i

See how pressure switches detect refrigerant leaks and activate fans to circulate air, preventi

See how a translating evaporator moves out of the air flow path during non-operational modes to

Ambient temperature and compressor status are used to stage condenser fans, cutting HVAC fan power and wear without pressure sensors.

Regenerable adsorbents and purging airflow remove CO2 and VOCs in an AHU while avoiding separate treatment units, extra cost, and complexity.

Temperature feedback triggers short water-spray pulses only when pre-cooling is needed, cutting water and energy waste in condenser air cooling.

See how a whole house fan with automated windows and environmental monitoring reduces cooling e

See how a floor-based conveying channel with side openings prevents microturbulences and blocka

Closing a mass control valve when the indoor fan stops limits refrigerant in the indoor unit and reduces leak fire risk without detectors.