Ducting Arrangements TRIZ Cases

See how a rotatable closure device in a modular air duct component enables straight or 90-degre

See how a dual-bracket interface with gasket seal connects plenum fans to ductwork without fast

A lower-end water receiving recess captures condensate from the duct wall, preventing mold growth and eliminating sponge insulation assembly.

See how a shape-changing variable panel dynamically covers ceiling-mounted air conditioner inle

See how dual-height inner ribs in elastic polymer foam enable secure, leak-proof ventilation pi

See how a shape-changing variable panel covers inlet and outlet holes when idle to prevent fore

See how obliquely angled air passages in a modular frame enable HVAC unit replacement without d

A partitioned motor cavity keeps the fan motor outside the fresh air duct, cutting amplified indoor noise while preserving airflow and filtration.

See how a flanged ring connector integrates a seal seat within the mating flange to reduce gask

See how segmented discharge ports with independent louvers and retractable fans enable precise

See how a connected damper assembly uses dew point control to selectively manage ventilation an

See how a modular cooling tower with segmented air distribution and flexible enclosures deliver

See how a throttle portion and flow-dividing partitions equalize velocity and restrict diffusio

See how a floating-body system transports cold upper-atmosphere air to ground level, enabling c

A porous HVAC panel mounted off the chamber wall increases absorption area, improves low-frequency noise reduction, and simplifies sliding installation.

See how a curl-inducing laminate layer in a pipe insulation closure flap maintains seal integri

See how a circulation air port in the partition wall enables indoor air recirculation without r

See how a linkage mechanism coordinates multiple pivotable blades to switch air discharge patte

See how a rotatable pipe protecting support prevents pipeline cutting and wear during air condi

See how a three-part wall penetration unit uses segmented assembly to adapt to varying wall thi

See how a multi-fin deflector assembly positioned centrally in a ventilation distribution unit

See how a curved damper receptacle and guide body reduce flow-induced vibration noise in angled

See how guide ribs partition chamber airflow into multiple paths, reducing turbulence and noise

See how an overpressure flap and drip tray enable decentralized exhaust air cooling, prevent co

Parallel partitions and an arc-shaped guide split the ceiling AC discharge opening to stop air return and maintain strong horizontal and vertical airflow.

Perforated baffles and a constant-width airflow gap attenuate low-frequency HVAC noise while keeping pressure drop low.

See how nested concentric hoses with parallel and counterflow insulating air layers maintain ai

See how a corner flange with integrally formed truncated cones and self-threading bolts enables

See how auxiliary fans with independent speed control replace mechanical blades to adjust airfl

Alternating opposite vane pairs at different discharge angles improves room cooling speed and reduces airflow dead zones.

See how a modular vane linkage system enables independent discharge vane removal and repair wit

See how a switchable filtration system uses air quality scores to dynamically select filter rat

See how modular panels with hinge locking systems and deadbolt coupling enable pet door install

See how a sliding soffit vent with thermal link and dual springs automatically closes during wi

See how a parallel fan terminal unit places the heating coil in the induced air chamber for eas

See how sensor-driven ventilation control prevents explosive gas buildup in manholes using peri

See how snap hooks and insertion plates replace screw studs in air conditioner indoor units, en

See how a ventilation diffuser uses protruding aperture edges and particle channels to guide co

See how rotating swing blades segment and redirect airflow dynamically to maximize room coverag

See how through-holes in the adhesive layer enable high-speed compression packaging of mineral

See how a hybrid VAV box with multiple outlet ducts and heating coils enables independent zone

See how slidable brackets and segmented plenum components enable flexible make-up air positioni

Two independently driven air flows form a double barrier in portal passages, improving heat sealing, impurity trapping, and layout adaptability.

See how fan-outlet placement creates negative pressure across filters, reducing seal stress and

Adjustable ceiling diffusers split airflow toward the clean area and room perimeter to block backflow while maintaining thermal comfort.

See how a dual-adhesive tape assembly with differential release prevents flap detachment in dam

A sliding modular window support anchors a portable AC air pipe securely while sealing the opening to limit drafts, contaminants, and energy waste.

See how local inert gas ejection around wafer holding positions prevents surface oxidation duri