Ducting Arrangements TRIZ Cases

A rebate lug and fold-back flange create a nested pocket that retains the seal, simplifying air duct assembly while maintaining a tight connection.

See how embedding air ducts, silencers, and hydronic circuits into reinforced concrete ceilings

See how a passive intumescent fire damper uses thermal expansion to block airflow in small duct

See how corner blowoff units and rotatable wind direction plates enable full-room air distribut

Plastic HVAC ducts can fail UL 181 flame requirements; stainless steel foil lamination protects both duct surfaces while retaining insulated construction.

See how resilient spacers enable axial and rotational displacement of the inner tube, allowing

See how a hand-manipulable discharge element with integrated dampers adjusts airflow rate, patt

See how recesses surrounding a suction grill cast shadows to obscure the dark interior, improvi

See how a uniformly-spaced air gap and reflective insulation system achieve high thermal resist

See how segmented plates with lightweight joining elements replace heavy single panels to reduc

See how non-uniform duct cross-sectional area achieves uniform temperature distribution in rail

See how inclined and flow-straightening plate portions in suction grill bars stabilize air flow

See how controlled mixing of supply air and indoor outlet air eliminates electrothermal reheati

Segmenting the frame and panels reduces packaging volume and lifting demands while simplifying alignment and sealing during installation.

See how primary and secondary discharge elements use a common vane to stabilize airflow direction despite supply-pressure changes.

See how dynamic fan speed and valve position control adapts data center cooling to varying ther

See how a laundry apparatus integrates dehumidification using door-state control and heat recov

See how a composite foil with aluminium, PET, and thermoplastic layers enables repeated folding

See how a pair of vanes on a common pivot line replaces multi-vane systems, cutting parts, weig

See how replaceable opening plates and differential pressure sensors enable precise airflow and

See how an integral bypass valve in a multi-port manifold routes bleed air around compressors d

See how a fabric enclosure with air-permeable and impermeable sections retains cooled air above

See how folding wall-plate extensions into multi-layer flanges eliminates angle materials, redu

See how a pair of vanes on a common pivot line simplifies airflow-direction adjustment, reducin

See how support brackets with integrated locator tabs and bendable support tabs enable single-p

See how activated charcoal embedded in helical textile pipe walls adsorbs hydrocarbons when the

See how a mesh-and-cotton silencing device uses frequency-tuned structural parameters to absorb

Detachable access covers expose mounting and control-box holes without removing the full panel, simplifying installation and service work.

See how a weather-resistant outdoor air handler with stackable condenser/compressor reduces foo

Expandable polyurethane fills register-box gaps and seams, reducing air leaks while improving insulation and worker safety.

See how variable-speed motors and intelligent management reduce HVAC weight and energy use in e

See how dual refrigeration cycles with shared air-conditioning heat exchangers reduce operating

See how a PVC thermal bridge break structure integrated with aluminum framework reduces energy

See how sandwiching sound absorption members between duct walls and using resin film adhesion p

See how angled through holes (60°-89°) in woven fabric air outlets direct airflow radially to p

Corner-mounted latches join thin-wall motor vehicle air ducts while reducing flow resistance, turbulence, pressure loss, and leakage.

See how real-time airflow monitoring and automated fan speed adjustment maintain balanced disch

See how a float-controlled flap valve pivots to seal air channels during flooding, reducing lab

A low-e surface and air gap add thermal resistance, helping HVAC ducts meet target R-values with less bulk insulation.

See how a mixed air outlet with inclined air-duct bodies and surrounding volute increases air v

See how a removable two-section wooden enclosure replaces metal covers to improve aesthetics, s

See how windbreak ribs and wind guide paths redirect conditioned air away from human sensors to

See how multiple ceiling-mounted indoor units with rotatable flaps and human body sensors adjus

See how cuboidal blowoff paths with fixed airflow guide vanes direct conditioned air to corners

See how resilient elements enable tool-free removal and reattachment of ceiling diffuser plates

See how independent suction elements replace choke hatches in CMV systems, reducing power consu

See how foam-insulated duct sections with protective jackets, overlapping flanges, and closure