774results about "Breathing filters" patented technology

The utility model discloses a clean storage system for a household breathing machine. The machine body is provided with a breathing machine placing area, a storage device, an air purification system and a display control component, an air outlet is at least formed in the breathing machine placing area or the part, close to the breathing machine placing area, of the machine body, the storage device is provided with a storage chamber, an exhaust port and a storage port capable of being opened and closed, and the storage chamber is communicated with an air supply device. The air purification system is provided with a fan, an air purification device, an air outlet and an air inlet, an airflow channel in the machine body in the air outlet direction of the air purification device is a clean air area, the air outlet communicates with the airflow channel, the breathing machine containing area forms the clean air area, and the air supply device sucks clean air. The household breathing machine platform is provided with a special platform space for placing various types of household breathing machines, has an air source filtering and purifying function, and has the advantages that accessories / parts of the household breathing machines can be cleanly accommodated and stored, indoor environment air can be purified, and the like.

The invention discloses a clean storage system for a household breathing machine. The machine body is provided with a breathing machine placing area, a storage device, an air purification system and a display control component, an air outlet is at least formed in the breathing machine placing area or the part, close to the breathing machine placing area, of the machine body, the storage device is provided with a storage chamber, an exhaust port and a storage port capable of being opened and closed, and the storage chamber is communicated with an air supply device. The air purification system is provided with a fan, an air purification device, an air outlet and an air inlet, an airflow channel in the machine body in the air outlet direction of the air purification device is a clean air area, the air outlet communicates with the airflow channel, the breathing machine containing area forms the clean air area, and the air supply device sucks clean air. The household breathing machine platform has a special platform space for placing various types of household breathing machines, has an air source filtering and purifying function, and has the advantages that accessories / parts of the household breathing machines can be cleanly stored, indoor environment air can be purified, and the like.

A wearable air purifier is provided and includes a headgear, an air delivery mask, and a fan. The air delivery mask is connected to the headgear and bounds an air delivery region. The air delivery mask is further configured to define a first airflow path to deliver a flow of air to the air delivery region. The headgear defines a second airflow path. The fan is configured to direct airflow to the first airflow path and the second airflow path.

A head wearable air purifier is provided. The head wearable air purifier includes a first speaker assembly, a second speaker assembly, a nozzle, and a control circuit. The first and second speaker assemblies are arranged to be worn over the ears of a user. The first speaker assembly includes a filter assembly, a motor-driven impeller for creating an airflow through the filter assembly, and a first speak assembly air outlet downstream from the filter assembly for emitting a filtered airflow from the first speaker assembly. The nozzle can receive the filtered airflow from the first speaker. A nozzle air outlet emits the received filtered airflow towards a mouth and / or a nose of the user. The control circuit can control the motor-driven impeller of the first speaker to have a maximum rotational speed from 9,000 to 18,000 RPM and can implement active noise cancellation for the first speaker assembly.

The present disclosure relates generally to breathing apparatuses where inhaled air and exhaled air are separated into different channels to permit a user to inhale fresh air. These devices can optionally filter inhaled air and exhaled air. These devices may include valves to help guide inhaled air and exhaled air to desired locations.

The invention belongs to the technical field of respirators, and particularly relates to an oxygen production tank and a respirator applying the oxygen production tank, the oxygen production tank comprises a tank body for gas circulation, a plurality of partition plates are arranged in the tank body along the gas flowing direction, and the partition plates are arranged in parallel along the direction perpendicular to the gas flowing direction; a reaction flow channel is formed in a gap between every two adjacent partition plates, the side wall of each reaction flow channel is provided with groove positions for positioning a medicament, the groove positions are in a long strip shape in the gas circulation direction, and the multiple groove positions are sequentially arranged side by side in the direction perpendicular to the gas circulation direction; the plurality of slots on the two adjacent clapboards are arranged in a staggered manner; according to the invention, the medicament can be ensured to be firmly fixed and stable in the reaction flow channel without moving, so that the influence of dust generated by the movement of the medicament on the breath of a user can be greatly reduced; and the reaction can be performed in sequence along the flowing direction of the gas, so that the overall reaction balance of the medicament is ensured, the use efficiency of the medicament is improved, and waste is avoided.

An apparatus or kit for a respiratory support system for delivering humidified gas to a user or patient. The apparatus comprising a humidifier chamber in pneumatic communication with a gases source, an inspiratory conduit in pneumatic communication with the humidifier chamber downstream of the humidifier chamber, a filter that is in pneumatic communication with the inspiratory conduit downstream of the inspiratory conduit, and a patient interface for delivering humidified gas to a user or patient, wherein the patient interface is in pneumatic communication with the filter downstream of the filter, or is configured to be placed in pneumatic communication with the filter downstream of the filter.

A facial covering assembly comprises an inner frame comprising at least one aperture to allow air flow through the inner frame and an outer frame configured to couple to the inner frame. The outer frame comprises at least one aperture to allow air flow through the outer frame. The facial covering assembly further comprises a cushioning element configured to couple to the inner frame, the cushioning element configured to establish a seal around at least a portion of a user's face.

A safety helmet for a firefighter includes an outer shield having a neck opening and a front opening, a hinge located on an upper region of the front opening of the outer shield, a fire-retardant foam liner, a face shield including a sensor carrier attached to the hinge, a particulate air filter, a light emitting diode (LED) light strip, a mask mechanism configured to attach to the tapered nose opening of the transparent screen and the particulate air filter, a heads-up display (HUD) connected to an upper region of a proximal edge of the mask mechanism which faces the tapered nose opening, an oxygen port connected to the mask mechanism, a mask body connected to a distal edge of the mask mechanism, a speaker and microphone unit attached to the mask body, and a regulator nose cone.

The utility model discloses a standby power type air supply long pipe respirator which comprises a respirator main machine and an air inlet chamber, the air inlet chamber is fixedly assembled at the upper right corner in the respirator main machine, a processing chamber is fixedly assembled at the lower left corner in the respirator main machine, and two sets of parallel air inlets are formed in the left side of the outer wall of the processing chamber. A group of negative pressure fans are fixed at the air inlets, a group of filter elements are fixedly clamped at the air inlets, and an automatic brushing mechanism used for cleaning the filter elements to prevent blockage from affecting breathing is arranged in the treatment chamber. According to the standby power type air supply long pipe respirator, by arranging the automatic cleaning and brushing mechanism, particulate matter is prevented from being attached into the filter elements to affect the air flow, it is guaranteed that one of the two sets of negative pressure fans can work smoothly when the respirator is used, and even if one set of filter elements is blocked, the other set of filter elements are not affected to be used; the influence of the blockage phenomenon in the working process on breathing safety is prevented, and the problem of blockage of the filter element is solved.

A filtering facepiece respirator is provided. The filtering facepiece respirator includes a facemask adapted to fit over the nose and mouth of a wearer, where the facemask comprises a mask body containing a filtering structure. A harness is coupled to the mask body for securing the facemask on the face of the wearer, and a mechanical valve is coupled to a portion of the mask body proximate the wearer's mouth. The valve may be adjusted between a first mode of operation and a second mode of operation, where in the first mode of operation is permitted to flow through the valve on exhalation but not on inhalation and in the second mode of operation air is obstructed from flowing through the valve on exhalation and inhalation. There is an optional third mode of operation where air is permitted to flow through the valve on inhalation and exhalation.

Filter media and filters, such as air filters, residential air filters, commercial air filters, face masks, gas turbine and compressor air intake filters, panel filters, and the like, are provided that comprise a plurality of fibers with a silicone-based coating. The silicone-based coating comprises a silicone compound at least about two percent by weight of the coating. The silicone-based coating may include a reactive silicone macroemulsion and a surfactant. The silicone-based coating increases the efficiency of the filter at capturing contaminants, particularly contaminants in the E2 and E3 particle group range, without compromising other important characteristics of the filters, such as cost, longevity, dust holding capacity, and the pressure drop or air permeability of the filter.

The present invention relates, in general terms, to a face mask. The present invention also relates, in general terms, to composite material, iron-iron oxide compositions and their methods of fabrication thereof. In particular, the iron-iron oxide composition comprises a cashew testa extract and iron particles and / or oxide core-shell particles. The iron-iron oxide composition can be used as an anti-microbial composition.

A gas delivery apparatus for nasal application is provided for purifying and / or reducing undesirable materials from air and / or gas intended to enter a nasal cavity. The gas delivery apparatus for nasal application may include a housing component, power component, fan component, filtration component, cap, germicidal irradiation component, aroma component, nose plug component, monitoring component, and medicinal component.

A protection device for preventing exposure to undesired airborne material. The device including a filter assembly having a filter, and a proximal and a distal layer configured to hold the filter sandwiched between the proximal layer and the distal layer, a one-way valve positioned in the filter assembly and coupled to the proximal layer of the filter assembly, and a seal positioned along a peripheral edge of the filter assembly, the filter assembly and the seal defining a first safety compartment for enclosing a user's mouth and nose. The device can include an eye shield assembly having a skirt extending from the filter assembly and positioned distal to the seal, an optically transparent eye shield coupled to the skirt to form a continuous surface from the filter assembly to a top portion of the eye shield, and a frame coupled to the frame assembly and eye shield assembly.

A mask may be configured as a respirator. A mask may be relatively easy to manufacture. A mask may be reusable and customizable. A mask may include a strap attachment configured such that a strap is attachable to the strap attachment without tying the strap into a knot.

The utility model provides an escape device of a fire-fighting evacuation channel, and relates to the technical field of escape devices of fire-fighting evacuation channels, the escape device of the fire-fighting evacuation channel comprises a respirator, a device convenient to replace is arranged on the side face of the respirator, a filter is arranged on the side face of the respirator, an elastic belt is fixedly connected to the side face of the respirator, and the elastic belt is fixedly connected with the respirator. A sealing device is arranged in the respirator, the device convenient to replace comprises a hollow rod fixedly connected to the surface of the respirator, a clamping ring is fixedly connected to the surface of the hollow rod, the surface of the hollow rod is sleeved with a sleeve rod, an annular groove is formed in the inner wall of the sleeve rod, and a filter is fixedly connected to one end of the sleeve rod. A rectangular groove is formed in the surface of the hollow rod, a convex block is fixedly connected to the interior of the sleeve rod, a circular groove is formed in the inner wall of the sleeve rod, a groove is formed in the surface of the hollow rod, and a clamping ball is arranged on the inner wall of the circular groove. According to the self-rescue filter, the problem that the self-rescue filter cannot be recycled is solved.

This invention provides face masks, including filter masks, and methods for manufacturing them. [Solution] A face mask comprising a mask body 143 defining a cavity for accommodating the wearer's nose and mouth, and a sealing member 144 hanging down from the mask body to engage with the wearer's face, wherein the mask body includes a filter 141 and a gas inlet 142, the filter being located in a first area of ​​the mask body and the gas inlet being located in a second area of ​​the mask body, a nose portion for accommodating the wearer's nose, a mouth portion for accommodating the wearer's mouth, and a cheek portion extending laterally across the wearer's cheek.

A nasal-plug filter device including a device body, a filter, a first actuator, a second actuator, and a gas sensor is provided. The device body has a ventilating channel, and the ventilating channel has an inlet end and an outlet end. The filter is disposed at the outlet end. The first actuator is disposed at the inlet end for being driven to transmit gas outside the device body into the device body. The second actuator is stacked on and bonded to the first actuator, and the second actuator is driven to transmit the gas transmitted by the first actuator to the filter to be filtered and purified. The gas sensor is disposed at the outlet end for detecting a gas quality of the gas at the outlet end. A connection element may be provided for connecting two nasal-plug filter devices with each other.

One variation of a respirator device includes a shroud center portion, a filter assembly, and a gasket. The shroud central portion defines: a transparent central region configured to align with a user's nose and mouth; and a filter window laterally offset from the transparent central region. A filter assembly includes a filter media and a seal that: surrounds a perimeter of the filter media; the filter assembly is positioned within the filter window and defines a central groove configured to mate with an edge of the filter window to instantaneously retain the filter assembly within the filter window. The pad is disposed on the back side of the central portion of the lens and is configured to: seal against the face of the user; and positioning the lens center portion and the filter assembly offset from the user's face to form an airflow channel to direct airflow through the user's smooth cheek region.

A protective mask suited for quick regulatory approval and mass production to provide protective use of a wearer includes a mask body having a major portion forming at least one breathing opening configured for holding a filter. The mask body forms a cover contoured to cover, except for the at least one breathing opening, the wearer's mouth and nose when the mask is worn. The mask body further has a flange, wherein a length of the flange extends along a major portion of an edge of the mask body major portion, the flange being configured for pressing against the wearer's face when the mask is worn. The mask body is a material selected from the group consisting of polyethylene terephthalate, polyethylene terephthalate glycol, and poly methyl methacrylate, and combinations thereof.

The invention belongs to the technical field of masks. The technical problems to be solved are as follows: 1, designing and manufacturing the mask, the mask, the air port and the filter patch, and connecting the filter patch with the air port; 2, designing and manufacturing the anti-epidemic multifunctional mask and mask, wherein the mask and mask are connected with a medical ventilation rubber tube, and the medical ventilation rubber tube is connected with a haircut blower; the key points of the technical scheme for solving the problem are as follows: 1, novelty: the mask is designed and manufactured by using a water bucket and is never disclosed in any form at home and abroad; and 2, creativity, prominent substantive features and remarkable progress are achieved. Please see "beneficial effects"; and 3, the device is practical, can be produced and manufactured and has positive effects. Please see "beneficial effects"; and 4, the mask is not obvious and cannot be designed and manufactured by using a bucket before the application day. The key points are mainly used for realizing novelty, creativity, practicability and non-obvious property, obtaining legal protection, improving competitiveness, promoting technical exchange and obtaining economic benefits.

The utility model relates to a filter box on-site service life detection device in the technical field of filter box service life detection, which comprises a first box body, one side of the first box body is provided with a second box body, the top end of the second box body is respectively provided with an air inlet and an air outlet, the top of the second box body is provided with a threaded hole, and the threaded hole is communicated with the air inlet and the air outlet. Fixed limiting sleeve blocks are symmetrically arranged on one side of the second box body, a connecting protection mechanism is movably connected to the inner sides of the fixed limiting sleeve blocks in a clamped mode, and a bolt is arranged between the top end of the connecting protection mechanism and the top of the second box body. The surface of the second box body can be quickly protected, buffering contraction can be automatically performed when the device is collided, then the whole device can be stably protected, and the device is simple in structure and convenient to operate.

This invention relates to the field of respiratory equipment, specifically to a dust and toxic substance safety early warning respiratory assistance system, comprising a mask module, a purification module, and a monitoring module. The mask module includes a mask body with a first inlet and a first outlet. The purification module includes a first filter module and / or a second filter module. The first filter module is filled with a first filter material, and the second filter module is filled with a second filter material. The first and second filter modules are each detachable. The monitoring module is detachably connected to either the first or second filter module and contains sensors for monitoring the operating status of the first and second filter modules. Air passes through the purification module and the monitoring module sequentially before entering the mask body. This invention discloses a dust and toxic substance safety early warning respiratory assistance system that can intelligently monitor in real time, proactively issue an early warning in case of filtration failure, and optimize the air filtration path to maximize the utilization rate of the filter material and the purification effect.

The utility model discloses a nano composite filter material mask with high comfort and high antibiosis, which relates to the technical field of masks and comprises a mask body, a fixing ring is fixedly mounted on the surface of the mask body, a rotary sealing blade is rotatably connected to one side, away from the mask body, of the fixing ring, and a second connecting hole is formed in the end of the rotary sealing blade. A second connecting column is rotatably mounted on the inner wall of the second connecting hole, a connecting rod is fixedly mounted at the end, away from the rotary sealing blade, of the second connecting column, a first connecting hole is formed in the end, away from the second connecting column, of the connecting rod, and a first connecting column is rotatably mounted on the inner wall of the first connecting hole; according to the utility model, through the magnetic attraction connection mode between the air supply box and the mask body, a user can conveniently take down the air supply box at any time for charging, meanwhile, the sealing blade is rotated so that the user can easily close the sealing blade when taking down the air supply box, external bacteria and viruses are prevented from invading the interior of the mask, and the continuous protection effect of the mask is ensured.

Respirators including pleated media layers are described herein. The pleated media includes a first series of substantially parallel non-binding elastic filaments between a first non-woven porous web and a second non-woven porous web. The first nonwoven porous web is directly bonded to the second nonwoven porous web. At least a portion of the pleated media is elastically extensible under tension.

An ear hook member has an annular sheet shape and has, in a plan view thereof, a first direction corresponding to an up-and-down direction of the mask and a second direction orthogonal to the first direction. The ear hook member includes: a first surface material; a second surface material that is disposed on an opposite side to the first surface material; and a plurality of stretchable string materials between the first surface material and the second surface material, the plurality of stretchable string materials being spaced from each other in the first direction and respectively extending along the second direction. Each of the stretchable string materials is adhered to the first surface material and the second surface material, with the stretchable string materials being stretched.

The present invention provides a mask comprising a mask body that covers the face of a wearer and a wearing string attached to both sides of the mask body, the mask body including a filter member consisting of a support layer having a mesh structure and a filter coating layer formed on the outer surface of the support layer and filtering pollutants, the filter coating layer being made of a web of fine fibers electrospun onto the support layer.

Nonwoven material, pleated filter media and filters, such as residential and commercial air filters, are provided. A nonwoven material comprises a first fiber layer and a second layer in contact with the first fiber layer. The second layer comprises two or more rows of filaments spaced from each other and extending along at least a portion of the first layer. The rows of filaments provide sufficient support to the filter media that it is capable of holding its shape over time. Thus, a filter media comprising the nonwoven material may be manufactured without a metal mesh, which improves the safety of the filter during handling and facilitates its incineration at the end of its life. In addition, the overall filter may have a lower pressure loss and a higher dust holding capacity because there it does not contain a metal mesh layer blocking air flow through the filter.

A filter system includes a body having an inlet and an outlet fluidly coupled with the inlet by one or more passageways. The one or more passageways are shaped to direct a fluid having particles through the body from the inlet toward the outlet. The one or more passageways may rotate the fluid in one or more cyclonic directions. A lattice component is disposed within the passageways and includes one or more openings through which the fluid passes as the fluid moves in the one or more cyclonic directions. The passageways are shaped to remove a first portion of the particles from the fluid, and the lattice component is shaped to remove a second portion of the particles from the fluid such that the fluid exiting from the body via the outlet has fewer of the particles than when the fluid entered the body via the inlet.