Breathing Filters TRIZ Cases

An elastomeric seal and angled filter holder redirect exhaled air downward, reducing droplet transmission while allowing simple filter replacement.

A negative pressure isolation hood uses an integrated air-exhaust filtration system to maintain a stable internal environment.

Surface treatment of nose wires increases attachment to carrier webs during facemask manufacturing.

Two mask segments with offset cutouts create a controlled passage for straws while maintaining a protective barrier against contaminants.

Active airflow through UV chambers eliminates heat retention while sanitizing inhaled air.

Segmenting the exhalation valve into a removable cartridge reduces maintenance complexity by allowing individual component replacement without full unit reconfiguration.

A pendent face mask uses a dynamic suspension system to transition between wearable ear loops and a compact folded state.

Flexible graphene electrodes arranged in a fractal structure generate electric fields to incapacitate viruses passing through the device.

A graphene-based heating element creates a thermal barrier around the nose and mouth.

A face mask integrates a triboelectric nanogenerator membrane to generate electrostatic fields that inactivate pathogens.

Segmented mask frames with adjustable temple arms resolve wearer comfort issues by allowing dynamic tension adjustment during extended use.

A respirator mask routes inhaled and exhaled air through a shared filter housing to maintain an airtight seal without a separate valve.

Finger rings deploy a flexible filter element over the mouth and nose, reducing donning time while maintaining pathogen protection reliability.

A fire evacuation mask integrates a breakable liquid receptacle to saturate the filter member for enhanced gas blocking.

A respirator mask filter uses recycled plastic non-woven fabric to maintain protection while reducing virgin material consumption.

A filtering face-piece respirator mask body uses longitudinally-movable transversely-extending members to expand and retract dynamically.

Freezing emulsion demulsification creates interlocked porous polymer structures, resolving poor pore control and high-VOC waste water issues.

Mechanical nanofiber filtration extends shelf life and maintains breathability by eliminating electrostatic charge degradation in disposable respirators.

A nasal mask uses a hinged bottom portion to pivot an air filter into alignment with nostrils.

A mask filter holder uses a partitioning portion to direct airflow through the filtration layer.

A moldable face mask conforms to facial contours using heat-activated thermoplastics and filtered inhalation valves.

An elastic strap adjusts mask fit without removing the helmet, eliminating pressure points.

A side plug-in filter cartridge engages a respirator receptacle via linear insertion.

Portable respirator delivers filtered air via blower fan while capturing exhaled pathogens through a woven cotton gaiter.

A personal air filtration apparatus uses intake and exhaust check valves to direct airflow through replaceable filters.

Extraction of filtration from full-face masks to nostrils prevents pathogen entry while maintaining breathability.

Segmenting the housing into distinct airflow paths prevents inhaled and exhaled air mixing while reducing filter clogging.

Linear slide rails guide the front cover to engage detachable fasteners, resolving assembly complexity while ensuring reliable valve protection.

Valve protector spacing controls strap friction against the retainer, preventing exhalation valve blockages.

Inverting the air inlet to the rear surface reduces flow resistance and power consumption while protecting the filter from dust exposure.

A face mask integrates a pharmacologically active coating with a filtering structure to treat conditions caused by prolonged wear.

Centering the battery between fan modules balances weight, preventing drooping and reducing ear load.

An adjustable mouth shield employs a swivel joint and spring mount to pivot the facepiece, resolving fit comfort versus structural complexity.

Venturi sprinkler creates vacuum suction to capture smoke and poisonous gases using water pressure energy.

Segmented fins create turbulence while electrostatic gel retains particles, resolving the trade-off between manufacturing simplicity and filtration reliability.

Open cell foam sealer attached to mask edges prevents breath fogging and blocks odors.

A respirator mask uses nested shells and transparent panels to maintain visibility while housing filtration components.

A supply roll moves to an intermediate position to form a wire accumulation for splice operations.

A nasal filter uses resilient frame connections to adjust anterior-posterior spacing and conform to varying nasal cavity geometries.

A multilayer filtering mask incorporates usnic acid and beta cyclodextrins to enhance bacterial filtration efficiency.

A protective mask integrates a skeletal shaping device to prestress the cover toward concave facial areas for improved sealing.

A face mask uses electrostatically charged staple fibers to hold powdery absorption materials for effective odor filtration.

A wearable respirator regulator uses electroactive polymer pads to control oxygen pressure and flow.

A water-vapor-breathable face seal transmits moisture vapor while blocking liquid water penetration in filtering respirators.

Segmented shields with alternating joining sections prevent static adhesion, enabling easy individual dispensing from the container.

A nasal mask uses a septum holder to secure a replaceable filter covering the nose front end.

Segmenting the turbo unit from controls via RF signals eliminates cable entanglement risks while simplifying power management.

Offset creases in face mask layers prevent direct fluid travel, blocking penetration paths without adding material thickness.