Breathing Filters TRIZ Cases

Intranasal cannula apparatus filters air through nasal and dorsal openings, resolving the trade-off between filtration coverage and user comfort.

Dual air supply holes in the fan module create separate channels for fresh and used air, reducing motor load and extending filter life.

Peltier heat pump transfers heat from inhaled air to reduce thermal discomfort and humidity buildup inside the mask.

Snap-fitting secures the exhaust filter in the housing, preventing hazardous gas release into the atmosphere.

Flexible mask body with nested design reduces storage bulk while modular filters maintain protection effectiveness against contaminants.

Deflecting lip generates laminar airflow to protect uncovered face regions from contaminants without ocular fogging.

A protective mask integrates a check valve and straw attachment to allow beverage consumption through the device.

Netting construction reduces strap weight and heat retention while color differentiation enables easy twist detection.

Segmented receiving recess with guide webs allows lateral filter module insertion, resolving compatibility and sealing trade-offs.

Side fixing portions contact cheekbones and nose areas to maintain tight seal while eliminating ear stress.

A flexible mask base body adapts to facial shapes, resolving the trade-off between structural stability and comfort in respiratory protection systems.

Dynamic airflow control via piezoelectric actuators resolves inconsistent natural convection, ensuring precise real-time air quality monitoring.

A mask filter uses electrospun microfiber webs on mesh supports to separate airborne contaminants while maintaining low breathing resistance.

A compact emergency anti-gas kit uses a water tube and cutting members to activate wet filtration for respiratory protection.

A flat-fold respirator uses a monocomponent nonwoven web to combine filtration and structural stiffness in a single layer.

A flat-fold respirator lower panel uses a stiffening sheet with a longitudinal crease line to prevent collapse and simplify donning.

Embossed fold lines segment the rigid mask body, resolving pocket jamming during storage without compromising shape stability during inhalation.

A respirator mask coupling element uses a displacable holding projection to secure filter modules.

Flexible elastomeric nasal insert maintains open airways to treat congestion and sinusitis without rigid metal discomfort.

A gas mask filter connection system uses a valving assembly to control air flow between the canister and the user interface.

A face mask shield device integrates a detachable respirator filter, earmuffs, and an attached headlamp for hazardous environments.

Physical vapor deposition prevents gold particle coalescence during catalyst production, maintaining nanoscale activity for carbon monoxide oxidation.

Stitched filtering fabric directs airflow through yarns in stitch holes, resolving the trade-off between filtration efficiency and air permeability.

A ducted breathing apparatus channels exhaled air through a dedicated pathway to isolate exhaust from the inhalation zone.

An integrated face mask air filter employs a centrifugal fan to force foul air out while a UV lamp inactivates pathogens, resolving ventilation bottlenecks.

Curved polycarbonate lens geometry overcomes vision obstruction trade-offs to deliver greater than 60 percent peripheral viewing range.

Deformation restricting portions in the supporting member stabilize the head-mounted display while maintaining a compact profile for face mask integration.

A nose breathing device uses check valves and a discharge hose to direct exhaled air outside the mask.

Pleats expand the filtering panels to fit various head sizes, and inward flaps create air channels that improve breathability behind the mask.

Active ventilation fans force air through segmented filters to maintain transparency while preventing carbon dioxide accumulation.

A flat-folding mask uses a seamless rim and pleated side panels to increase filtration area without adding material.

Wet-laid cellulose filter media resolves non-biodegradability of synthetic polymers while maintaining bacterial filtration efficiency.

A respirator design uses homogeneous polypropylene materials for the mask and harness to enable single-stream recycling.

Actuating device drives air through guiding channels to the sensor, resolving inconsistent airflow and long response times in portable environmental monitors.

A filtering mask assembly uses a downstream fan to draw air through the filter media.

Segmented multi-chamber design reduces intake pressure while maintaining high filtration effectiveness against airborne pathogens.

Protrusions on a flexible mask shell extend between facial hairs to create a tight seal, resolving the trade-off between comfort and leakage.

Propellant-gas spinning polyamide nanofibers reduces manufacturing costs while maintaining precise fiber diameter distribution.

A face mask uses a peripheral wall to create an internal space for air exchange.

A partition plate device divides a respirator mask into upper and lower chambers using a valve unit to direct airflow.

A respirator body integrates multiple filter layers with a switching device to select filtration properties dynamically.

An inverted air inlet on a mask filter cover minimizes droplet re-introduction while an air pocket reduces flow resistance and noise.

Electrospun web with charged nanofibers filters air while maintaining optical clarity.

Modified eyeglass frame supports an air-permeable panel and integrated communication module for hands-free audio.

Flexible deflectors close the gap between masks and eyewear, blocking debris while preventing visual glare.

Adhesive edge seals replace rigid casings at corrugated filter media ends, reducing weight and cost while maintaining mechanical robustness.

A nasal cavity insertion mask uses a detachable filter system to purify inhaled air while maintaining secure placement inside the nose.

Copper and silver breathable layers kill pathogens to resolve the trade-off between filtration efficiency and air flow resistance.

Multi-stage intra-nasal filter uses high impedance material to trap small particles while maintaining breathing comfort.

Nested hoses cool purified air via external air heat exchange, eliminating extra canisters while maintaining catalytic reaction temperatures.