Breathing Filters TRIZ Cases

See how nano-dried metal chloride particles applied via dry process enable viral inactivation a

See how copper naphthenate particles and photocatalytic coatings enable reusable fabric to capt

See how copper naphthenate particles self-charge fabric fibers to capture pathogens electrostat

See how a phosphorescent compound and silver emulsion enable masks to emit germicidal UV-C radi

See how a mask integrates HEPA and carbon filtration with liquid-filled tubing and Peltier cool

See how copper-coated fabric and thermochromic ink enable antiviral filtration and visual tempe

See how a substituted cyclotriphosphazene core prevents additive migration and degradation in e

See how corona-treated fabric with photocatalytic coating captures charged pathogens through el

See how crosslinked polymer treatment on woven fabric enables respiratory masks to maintain liq

See how a single-ply barrier treated with pathogenicidal components on both surfaces deactivate

See how embedded tubing with thermostat-controlled liquid circulation provides head-to-toe cool

See how carbon nano-cluster coating on fabric fibers achieves 92-98% filtering efficiency and a

See how vertical evaporator orientation in a top-mounted cold air compartment maintains heat ex

See how aqueous liquid pH and conductivity are adjusted based on polymeric article zeta potenti

A horizontal evaporator and fan layout with separated guide ducts increases cold air intake area, cuts flow resistance, and preserves storage space.

During parking, the controller reads steering-angle patterns and vehicle context to switch forward or reverse without distracting screen swipes.

A noncircular seal surface around a circular orifice lowers exhalation pressure while maintaining inhalation sealing and reducing mask humidity.

A noncircular seal surface and off-center flap cut exhalation pressure while venting heat and moisture from filtering face masks.

A centroid-mounted noncircular flap with variable stiffness lowers respirator exhalation pressure while allowing flexible valve placement.

A noncircular seal surface lowers exhalation pressure and reduces warm, humid air buildup in filtering face masks.

An elastic deformable cord lock adjusts mask loop size without sliding, preserving comfort and a secure face seal during movement.

A resealable port lets users talk or drink without removing the adhesive mouth mask, while preserving seal integrity for snoring and OSA use.

A dual-mode regulator lets high-pressure oxygen feed low-pressure breathing systems by switching outlet pressure and mixing in air.

A separable upper cap houses the filter, enabling easy replacement without removing the respirator connector from the pressure reducer.

A centroid-mounted flap with variable stiffness cuts exhalation pressure and supports flexible valve orientation without fogging issues.

Tapered capacitance and inductance in a capacitively coupled distributed amplifier extend gain-bandwidth while preserving low-frequency operation.

Rear-side suction, internal discharge, and a centrifugal fan cut flow conversions to lower mask resistance, noise, and power use.

A gas-permeable expiratory path slows and intercepts exhaled aerosols in a patient interface, reducing pathogen release during respiratory support.

Embedded zeolite metal ions let filter fibers capture and neutralize pathogens, reducing re-entrainment and biological fouling.

A rigid support, flexible face seal, and quick-release cover enable airtight fit, reusable wear, and fast filter replacement.

Rear-side suction and a rotatable filter housing cut airflow resistance, noise, and dust ingress while extending filter life.

A foldable nasal filter uses adhesive fixation and slit-formed shaping to improve comfort, secure fit, and discreet long wear.

A downstream filter in a humidified respiratory circuit blocks patient contamination, enabling inspiratory conduit reuse with less waste and cost.

Rear-side suction and discharge routing cuts airflow turns in a powered mask, reducing resistance, noise, dust ingress, and filter exposure.

Arc-forming pleated regions let a flat mask conform to facial contours, closing edge gaps while staying easy to make and store.

Fusion bonding along the mask body secures sheet ear hooks beyond the inner edge to prevent lifting, improving wearing comfort and appearance.

A sleeve-fit receiver and cantilever latch replace threaded or bayonet cartridge mounts to simplify attachment while keeping airflow secure.

A bonded filter-textile sandwich structure keeps particle and germ filtration effective through repeated washing while reducing disposable mask waste.

Rear-surface air intake and a magnetic face guard cut flow resistance, noise, and dust ingress in a powered mask.

A noncircular pleated ring filter nests a second element inside to raise filtration capacity while keeping breathing apparatus filters compact and replaceable.

Cantilever ribs, septum-engaging sections, and nostril-wall projections keep a nasal dilator secure and comfortable during running.

Non-bonded pleat sections let a dental mask flex to face contours, improving cheek sealing and reducing virus leakage and glasses fogging.

A U-shaped nasal dilator uses multi-plane cantilever ribs and septum-following sections to stay in place without painful pinching.

Bell-shaped nasal holders use a protruding rim and integrated filter to reduce irritation, prevent leakage, and improve air filtration.

Rear air intake sleeves and a recirculation fan help this respiratory mask avoid front dust exposure while improving airflow and comfort.

By moving both suction and discharge to the rear, this mask cuts airflow turns to reduce resistance, fan load, noise, and dust ingress.

Contoured adhesive mask and eye shield sealing avoids delicate periorbital skin, reducing irritation, fogging, and leakage during wear.

Rear-side suction and discharge paths lower airflow resistance, noise, and power use, while magnetic face guard removal eases cleaning.

A shaped mask panel with a stiffening insert and replaceable filter improves face sealing, comfort, and filtration during extended wear.

A cone-shaped nose-only mask uses a secure flexible fit and filter to maintain nasal protection during eating or dental treatment.

A halogenerator deposits pure sodium chloride in a mask filter to neutralize pathogens while keeping the mask breathable and reusable.

A visible-light photocatalytic fiberglass filter helps a transparent mask kill airborne microbes while preserving airflow and lip reading.

An external holder adds vapor delivery to a nasal dilator, improving comfort, stability, and relief from congestion or rhinitis.

Cantilever ribs and anchoring projections keep the nasal dilator secure and comfortable during running while maintaining nasal dilation.

Patterned thermo-mechanical bonding joins nanofibre and microfibre layers to keep masks transparent, breathable, and mechanically stable.

An inner-outer frame and cushioning seal convert PPE masks to cut airflow gaps, improve fit comfort, and raise filtration efficiency.

Separate nose and mouth chambers direct airflow to limit CO2 buildup, ease breathing resistance, and improve long-wear mask comfort.

Integrated fasteners let a customizable mask band attach to filtering facepiece respirators without reducing filtration effectiveness.

A visible-light photocatalytic glass filter kills and traps airborne microbes while preserving airflow and lip-reading visibility.

Rear and side air intake with filtered sleeves and a one-way valve improves mask air quality, filtration, and portability.

Electrostatic and electromagnetic fields deflect harmful particles in both breathing directions while reducing airflow resistance and moisture buildup.

Rear-mounted inlet, fan, and filter layout shortens the airflow path, cutting resistance, noise, power use, and filter exposure.

UV sterilization, dampers, and replaceable filters help this reusable breathing mask cut pressure drop and disinfect exhaled air.

Active air circulation via a fan and multi-layered filter assembly resolves breathing discomfort while maintaining pathogen protection.

Adjustable straps provide a snug fit for generic masks, resolving trade-offs between manufacturing simplicity and user comfort.

A flexible breathing mask filter frame absorbs shock and maintains consistent airflow through elastic deformation.