Air-Treating Devices TRIZ Cases

A two-stage vehicle cooling system uses an intermediate heat exchanger to transfer thermal energy between separate refrigerant circuits.

A vehicle HVAC device uses a common shaft to pivot damper doors, resolving the trade-off between independent outlet control and mechanical complexity.

Perforated decorative layers and reflector structures direct infrared radiation to heat the cabin while preventing surface burns.

A guide member blocks a vehicle blower outlet from view while directing airflow toward the side window glass.

Refrigerant circuit bypasses frozen evaporator using a four-way valve to maintain heating performance in electric vehicles.

A flow regulating valve dynamically apportions conditioned air between compartments based on processor signals.

Illumination unit positioned near instrument panel air flow duct for efficient heat dissipation.

Bellows and sliding O-ring joints accommodate differential thermal expansion between hot exhaust gas cores and cooler manifolds, reducing structural stress.

A holding member engages a defrost door to maintain its open position against airflow pressure.

A gripping element joins the filter medium and air duct wall during assembly.

Separate air passageways enable independent right-left climate zones, eliminating uneven temperature distribution in integrated vehicle HVAC systems.

Housing-integrated H and V sealing ribs prevent bypass air around refrigerant evaporator tube blocks.

A cooling air feeding apparatus uses a pivoting closing element to adjust the throughflow cross section of the rear-mounted cooler intake.

A vehicle climate control unit positions evaporator and heating heat exchangers upstream of the blower on the suction side.

A control unit adjusts a rear seat temperature door to limit air temperature entering an auxiliary blower.

A vehicle air filtration system adjusts motor speed based on real-time vehicle velocity data.

An elastic urging unit stabilizes sliding resistance in a wind direction adjuster, resolving inconsistent operation loads caused by dimensional variations.

An elastomeric damper with tuning splines reduces vibration in fluid lines without adding weight or cost.

Multi-flow position valves direct refrigerant to active evaporators, eliminating binary shut-off valves that cause pressure spikes and unintended cooling.

An integrated manifold design merges connector functions into the outer tube, reducing component count while maintaining fluid-tight connections.

A vehicle controller modulates compressor speed to manage battery temperature using existing cabin thermal components.

A vehicle air conditioning system manages heat transfer between liquid circuits and a heat pump using a connection switching device.

A reversible internal heat exchanger manages refrigerant circulation direction to reduce compressor inlet temperature and accelerate outdoor unit defrosting.

Sensor unit collects vehicle and occupant data to set target temperatures for seat heating or cabin air conditioning.

A vehicle climate controller stores sample vectors of actuator settings and sensed conditions to identify user override patterns via wireless transmission.

A vehicle air conditioner adjusts heating target temperature based on cooling water levels to manage thermal energy distribution.

Roof air delivery system channels conditioned airflow to upper body regions, mitigating solar heat gain through transparent panels.

A vehicle body control module monitors speed to automatically close side windows and activate the air conditioner.

Cover recesses secure the sensor against the heater wire, preventing adhesive separation and maintaining detection accuracy.

A single manipulator adjusts pivotable vanes and an air regulating flap to direct airflow in multiple directions.

A reversible heat pump circuit manages passenger compartment temperature and electric motor cooling through integrated thermal coupling.

Spring tabs and screws anchor vehicle vents, preventing airbag ejection while hiding fasteners for clean aesthetics.

Segmented cover parts protect sliding door actuators from debris, enhancing rack gear durability and operational reliability.

A vehicle air conditioner gear mechanism connects sliding door actuators through a unified rack and pinion assembly.

Segmenting the guide mechanism into three coaxial flaps prevents parasitic outside air from contaminating recirculated flow, maintaining thermal consistency.

An integrated cap seal eliminates complex securing elements and deformation issues by merging the sealing component with the closure structure.

Cooling air passage connects to upper air duct to prevent water entry and improve motor reliability.

Hydraulically actuated locking fingers enable remote tube walker movement along steam generator bundles.

A motor vehicle thermal management system circulates coolant through series circuits to utilize waste heat from electric motors.

Actuators move mode doors based on sensor feedback, replacing complex linkages to enable customizable airflow settings.

Curved movable fins guide air flow along specific contours, reducing fixed fin interference and improving outlet directivity.

An evacuation duct with radial orifices extracts heat from dashboard electronics, preventing malfunctions in the confined space.

Vertical duct placement separates indoor air filter from footrest dust, reducing maintenance frequency in construction machines.

A pleated vehicular air filter combines a polymeric membrane with an activated carbon layer for cabin air purification.

Dynamic bypass control stabilizes cabin temperature fluctuations below 1°C while reducing compressor energy consumption by up to 20%.

Autonomous cabin air quality system detects pollution and deploys filters or vents to improve purity while managing energy consumption through partial actions.

A portable propane burner heats engine coolant via a horizontal heat exchanger.

Offset sealing edges on a rotatable diverter manage variable windshield and constant side window airflow, reducing device complexity.

A vehicle air conditioning system forces high-rate air circulation through an internal filter to remove odors from the passenger compartment.

A controller switches the speed ratio of a power transmitting device based on engine RPM, reducing torque burden on the engine during high speed operation.