1461results about "Breathing masks" patented technology

The present application provides a system for coupling a harness strap (302) to a respirator mask, comprising a first coupling element (304) attachable to a harness strap for securing a respirator mask to a wearer: and a second coupling element (326) fixed with respect to the respirator mask and configured to releasably engage with the first coupling element to couple the harness strap to the mask, wherein the first coupling element is rotatable about an axis of the second coupling element and said rotation is limited by a stop arrangement (328).

A mounting rail assembly comprises a rail configured to be coupled to a helmet. The rail may include a rear surface and a front surface with a mounting groove extending along a length of the front surface. The mounting groove may be open outwardly from a front surface of the rail and be configured to couple to a first accessory device at two or more positions along the length of the rail. A recess may be proximate an edge of the mounting rail assembly. The recess may be open generally perpendicular to the mounting groove and configured to receive a second accessory device. At least a portion of the recess may be positioned between the mounting groove and the rear surface of the rail.

A wearable device for comprehensive bio-monitoring of physiologic metrics to determine metabolic, pulmonary and cardiac function and oxygen saturation measurements from breathing mask apparatuses. The device non-invasively monitors the physiologic profile of the subject, and is capable of detecting physiologic changes, predicting onset of symptoms, and alerting the wearer or another person or system. In some embodiments, the device comprises both a wearable sensor suite and a portable gas composition and flow analysis system. In preferred embodiments, it comprises a miniaturized non-invasive sensor suite for detecting physiologic changes to detect dangerous breathing or other health conditions. The acquired physiologic profile is used to generate alarms or warnings based on detectable physiological changes, to adjust gas delivery to the subject, alter mission profiles, or to transfer control of the craft or other duties away from a debilitated subject. The device is compact, portable, vehicle independent and non-encumbering to the subject.

A system includes a personal protective equipment (PPE) configured to be worn by an agent. The PPE includes a sensor assembly comprising a radar device configured to generate radar data, a microphone configured to capture speech input from the agent, and an inertial measurement device configured to generate inertial data. The system includes a computing device configured to: process sensor data from the sensor assembly, the sensor data including at least the radar data and the inertial data, to generate pose data of the agent based on the processed sensor data, the pose data including a location and an orientation of the agent as a function of time, to process the speech input to identify an item of interest in an environment in which the PPE is deployed, and to form mapping information for the environment with the item of interest being marked, based on the processed speech input.

The present invention belongs to the technical field of respiratory protection, and particularly relates to a communication system and method for respiratory protection devices, and a respiratory protection system. The communication system comprises: a pairing transmission module, which comprises a first pairing unit and a second pairing unit; and a master control module, which comprises a communication unit, a control unit and a storage unit, wherein the communication unit is in communication connection with the pairing transmission module, so as to perform information transmission, and the control unit collects and processes identity information of the first pairing unit and / or the second pairing unit and pairing information. Effective communication between respiratory protection devices and a master control module can be realized by means of the communication system; a database for the plurality of respiratory protection devices is established by means of the master control module, such that data can be analyzed, mined and visualized to discover the correlation and regularity between the data, thereby providing support for decision making; and a unified platform or system can also be integrated with other systems, so as to realize automated decision-making control and monitoring management, thereby improving the intelligence level of the system.

Face covering system for protecting a wearer from airborne particulate matter includes a headband attachment system and a face covering having a plurality of layers, as follows: an outer, a stiffening, a filtration, and an inner layer. The face covering forms a breathing space in the unfolded or donning position. The breathing space is formed by an upper nose panel, a bottom chin panel, a top central panel, and a bottom central panel. The upper nose and bottom chin panels are conformable to the face while cooperating with the top and bottom central panels. The breathing space provides for improved comfort and sealability and operates to help keep the upper nose and bottom chin panels from rubbing against the wearer's lips. The face covering system further includes a nose cushion member, a nose wire, and various welds and weld seams for coupling the various components of the face covering together.

The invention discloses an intelligent air supply mask, and relates to the technical field of protective masks, the intelligent air supply mask comprises a mask main body, and the mask main body is used for covering the mouth and nose of a wearer to form a breathing space; the mask further comprises a filter element assembly, an air outlet valve, a sound transmission assembly, a pressure sensor, an air supply assembly, a control device and a power supply assembly which are arranged on the mask body, the filter element assembly communicates with the breathing space and filters inlet air, the filter element assembly comprises a filter box and a filter element, the filter element is arranged in the filter box, and the filter element is a corrugated filter element; the air outlet valve is communicated with the breathing space for exhausting; the sound transmission assembly is used for transmitting sound; the pressure sensor is used for detecting gas pressure in the breathing space; the air supply assembly is used for assisting in supplying air into the breathing space; the control device controls the air supply assembly to work according to the gas pressure data; the power supply assembly is used for supplying power. Auxiliary air supply can be carried out, follow-up adjustment is achieved, the stuffiness feeling of a wearer is reduced, the service life of the filter element can be prolonged, and the dust containing degree of the filter element can be improved.

The present disclosure provides embodiments of a personal protective device which include one or more sensors. The personal protective device is in the form factor of a filtered mask to cover the nose and the mouth of the subject when in use. One or more sensor modules are connected to the mask for detecting one or more parameters related to an inhalation and or exhalation of the subject. The mask is held onto the face of the subject by one or more support members.

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.

A headband assembly and a respiratory-mask system, wherein the headband assembly is of a planar structure in a spread and deployed state, and the headband assembly includes a head-mounting part (1) that is for clinging to and being worn on a head and connecting parts (2) that are connected to two sides of the head-mounting part (1) and are for connecting a respiratory mask; and the head-mounting part (1) includes an upper headband (11) that is for clinging to a top of the head and has a preset width and a rear headband (12) that is for clinging to a rear side of the head and is located under the upper headband (11), wherein the upper headband (11) is of an arch structure whose concave faces the rear headband (12). The headband assembly can cling to the head, to enable it to be firmly worn on the head.

The present disclosure presents a communication device configured to removably attach to a mask, and to receive, transmit, and amplify sound and / or speech from a wearer.

The invention provides a fire rescue protective suit based on hazardous gas monitoring and early warning software and hardware integration. According to one embodiment of the invention, the fire rescue protection suit comprises a protection assembly, a sensing module, a node communication module and a display module, wherein the sensing module is arranged in the protection assembly, and the sensing module is used for collecting environment information and physical sign information of rescue workers; the node communication module is used for sending the environment information, the physical sign information and the positioning information of the rescue workers to a safety centralized control center; early warning information sent by the security centralized control equipment is received; wherein the early warning information comprises the operation efficiency information of the rescue workers and the dangerous area grade in the environment where the rescue workers are located; and the display module is used for receiving the early warning information from the node communication module and displaying the early warning information.

Interfaces for positive pressure therapy having various vent designs are disclosed herein. The interfaces include a bias flow vent with design geometries that help reduce and / or minimize draft and noise levels of the fluids exiting the vents. Some of the vent designs include particular vent hole geometries, plenum spaces, diffusers and fibrous media.

A wearable air purifier that includes headgear for mounting on a wearer's head, a fan assembly operable to generate a filtered airflow, and a nozzle for directing airflow from the fan assembly, the nozzle being couplable to the headgear at opposite sides of the wearer's head to extend across a front of the wearer's head. The nozzle includes side portions located on respective sides of the central portion between the central portion and the respective point of coupling of the nozzle to the headgear, the side portions being more flexible than the central portion.

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.

To provide a mask which is excellent in adhesion stability and re-adhesion of an adhesive layer on cheeks and in which occurrence of pain upon removal and stickiness after removal is suppressed.SOLUTION: A mask includes: a mask base fabric; and an adhesive layer provided on an inner surface of the base fabric. The adhesive layer includes an adhesive base, (A) terpene-based resin, (B) hydrogenation rosin glycerol ester, and (C) liquid paraffin. A content of the (A) terpene-based resin is in a range of 6 to 18 mass% with respect to the entire adhesive layer. A mass ratio of a content of the (B) hydrogenation rosin glycerol ester to the content of the (A) terpene-based resin is in a range of B / A=0.6 to 3.0. The total content of the (A) terpene-based resin and the (B) hydrogenation rosin glycerol ester is in a range of 20 to 35 mass% with respect to the entire adhesive layer. A mass ratio of a content of the (C) liquid paraffin to the total content of the (A) terpene-based resin and the (B) hydrogenation rosin glycerol ester is within a range of C / (A+B)=1.0 to 3.0.SELECTED DRAWING: None

A hardhat having a brim of variable elongation circumscribing its base is oriented such that the most elongate brim portion is associated with the back of a user's head. A source of supplied air is brought into an area proximate the back area, and an air conduit directs the air toward an area or areas of the hardhat having a less elongate brim.

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.

Introduced here is a face mask system having a mask enclosure that contains, or otherwise directly supports, an automated liquid-droplet dispensing mechanism (ADM) for humidification. In operation, the enclosure and ADM are compact and lightweight so that when worn by a user can be supported entirely by the user's head and neck. The enclosure can be comprised of one or more layers of breathable fabric adapted to flexibly conform to the face of a user when worn and form a cavity that is adjacent to the user's nostrils and mouth. The ADM can be comprised of a reservoir in which liquid is stored, a respiratory cycle detector, a timer and controller, and a droplet dispenser that controllably dispenses droplets of the liquid from the reservoir into the cavity for inhalation by the user.

The invention discloses multifunctional coal mine personal protection equipment, which belongs to the technical field of coal mine personal protection and comprises a helmet, a head cover and a backpack. A communication base is fixedly mounted on the helmet, and a sensor group and a lighting assembly are mounted on the communication base; the head cover is fixedly installed on the helmet, the face of a person can be located in a sealed space through the head cover, and full face protection is achieved. Compared with the prior art, comprehensive face protection can be achieved through the helmet and the head cover, it is guaranteed that a user can be fully protected in various environments, cleanliness of the face of a worker can be guaranteed, and the working comfort of the worker is improved; clean air at a proper temperature can be continuously provided for the inside of the helmet and the head cover through the temperature adjusting mechanism and the canister, and the air in the helmet and the head cover continuously flows, so that the purity of the air breathed by a worker is ensured, the worker can breathe more comfortably and naturally during working, the stuffiness feeling of the worker during working is greatly reduced, and the wearing comfort is improved.

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.

A disposal mask (1, 2) is characterized by having a mask main body part (10, 40) and an ear hooking part (20, 50) to be hooked around the ears of a wearer, wherein the mask main body part (10, 40) has a filter member (11, 41) that collects at least one of viral droplets and bacterial droplets, and non-woven fabric (12, 42) which is disposed on the skin surface side of the filter member (11, 41) and has an endothermic agent (30) placed therein.

One variation of a respirator apparatus includes a shield center section, a filter assembly, and a gasket. The shield center section defines: a transparent center region configured to align with a nose and a mouth of a user; and a filter window laterally offset from the transparent center region. The filter assembly includes a filter media and a seal: encircling a perimeter of the filter media; and defining a center groove configured to mate with a rim of the filter window to transiently retain the filter assembly within the filter window. The gasket is arranged on a rear face of the lens center section and configured to: seal against a face of the user; and locate the lens center section and the filter assembly offset from the face of the user to form an airflow channel to direct airflow across a glabrous cheek region of the user.

A respirator has a shell that defines a breathable air zone for a user wearing the respirator. An air flow control system for the respirator has an air delivery conduit within the shell of the respirator, a valve member moveable relative to the air delivery conduit and within the shell to vary the amount of air flow through the air delivery conduit, and a valve actuator outside of the shell of the respirator. The valve actuator is manipulatable by a user of the respirator while wearing the respirator to control movement of the valve member.

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.

The invention provides an intelligent hydrogen sulfide protection device and an intelligent hydrogen sulfide protection method. The intelligent hydrogen sulfide protection device comprises a device shell, a quaternary sensor array, a dynamic response system and an integrated protection unit, the quaternary sensor array comprises an electrochemical sensor, an NDIR infrared sensor, an environment temperature and humidity sensor and an air pressure sensor; the dynamic response system can perform intelligent assessment according to the safety index information transmitted by the quaternary sensor array and obtain a safety risk assessment value; and the integrated protection unit can perform integrated protection according to the safety risk assessment value. Quick response active protection can be achieved, all the protection units are coordinated and linked, and the protection effect is excellent.

The utility model discloses an isolated type circulating respiratory protection device. The protection device comprises a protection cover, a breathing apparatus arranged in the protection cover, an air bag arranged outside the protection cover and communicated with the breathing apparatus, a carbon dioxide absorbent bin arranged between the air bag and the breathing apparatus, and an oxygen supply device arranged outside the protection cover and communicated with the air bag. The protective cover is a hollow protective cover capable of at least containing the head, an opening for at least the head to stretch in is formed in the protective cover, and a tightening device capable of tightening the opening is arranged at the opening. The oxygen supply device comprises an oxygen bottle and a trigger switch for controlling the oxygen bottle to supply air into the air bag.