Abstract: An emergency oxygen system for aircraft comprising: a breathing gas supply circuit to be connected upstream to a source of breathing gas and downstream to at least one mask, a flow control valve configured to adjust the flow of breathing gas supplied to the mask, an electronics board configured to control the flow control valve, a power source, a switching device interposed between the power source and the electronics board, the switching device comprising a switch configured to have a first state in which power from the power source is supplied to the electronics board and a second state in which the electronics board is not supplied with power from the power source.

Abstract: Disclosed is a chemical oxygen self-rescue device, including a breathing assembly (1), an oxygen generating assembly (2) and a gas bag; (3) the oxygen generating assembly includes an oxygen generating agent tank (21), a gas discharge valve (23) and an oxygen candle (22); the gas discharge valve is arranged on a component above an oxygen generating agent (213) in the oxygen generating agent tank and below a breathing end of the breathing assembly, and the opening and closing of the gas discharge valve are controlled by means of an inflated volume of the gas bag. The chemical oxygen self-rescue device reduces the resistance to breathing, lowers the temperature of breathed gas and improves the utilization rate of the oxygen generating agent.

Abstract: The invention relates to a rechargeable battery transportation device (10) for a re-chargeable battery (22), in particular a lithium rechargeable battery, with (a) an external case (12) which has (i) a base body (16) with a filling opening (20), (ii) a cap (18) for creating an air-tight seal of the filling opening (20), and (iii) a ventilation opening (28), and (b) an inner tank (14) which (i) is arranged in the external case (12) and (ii) encloses an accommodation space (30) for accommodating the rechargeable battery (22). According to the invention, between the external case (12) and the inner tank (14) there is at least one flow path (S) from the accommodation space (30) to the ventilation opening (28), and a heat absorption material (36) is arranged along the flow path (S).

Abstract: An aerosol-generating device for use in an aerosol-generating system is provided, the aerosol-generating device including a cavity configured to receive an aerosol-generating article; a heat exchanger having a first portion proximate to the cavity and a second portion distal to the cavity for capturing heat from a lighter; and a retractable cover, wherein the retractable cover is movable from a first position in which the retractable cover covers the second portion of the heat-exchanger to a second position in which the second portion of the heat exchanger is exposed for heating by a lighter and wherein the retractable cover is configured to automatically return from the second position to the first position when the second portion of the heat exchanger reaches a threshold temperature.

Abstract: In one configuration, a hydroponic system for enriching a liquid with gas-bubbles is disclosed. The system may include at least one reservoir configured to temporarily store the gas-bubble enriched liquid. Each of the at least one reservoir may include an associated inlet port and an associated outlet port fluidically coupled with each other via a liquid-flow line. The system includes one or more pumps configured to cause movement of the liquid along the liquid-flow line, a gas supply feeding a gas (in one configuration, oxygen from a gas concentrator), and a gas-bubble generator provided on the liquid-flow line. The gas-bubble generator may be fluidically coupled to the gas supply to receive gas from the gas supply. The gas-bubble generator may be configured to generate a plurality of individual gas-bubbles of the gas received from the gas supply and mix with the liquid stream flowing via the gas-bubble generator.

Abstract: A catalyst of the present invention contains a first transition metal oxide (A1) represented by the general formula M1Ox, wherein M1 represents a transition metal element, and x represents a positive real number, and a metal compound (B1) capable of adsorbing carbon dioxide. The first transition metal oxide (A1) is supported on the metal compound (B1), and the first transition metal oxide (A1) can produce a compound represented by the general formula M1Ox-n by reduction, wherein M1 and x are as defined above, and n represents a positive real number equal to or less than x.

Abstract: A humidification system has a humidification source and a main gases flow path. The main gases flow path has a low pressure region and a high pressure region. In some embodiments, each of the low pressure region and the high pressure region has an aperture. The pressure difference between the apertures promotes a gases flow between the main gases flow path and the humidification source, and results in humidifying the gases in the main gases flow path.

Abstract: A respirator (1) includes a fresh gas port (23, 25, 27) for connecting a fresh gas supply, a gas outlet (3) for connecting a supply line for a patient, an absolute pressure sensor (21) and a data processor (37). The gas outlet and the fresh gas port are fluidically connected via an inhalation branch (17) that is connected to the absolute pressure sensor. The fresh gas port has an adjusting valve (31), to set gas flow from the fresh gas supply to the inhalation branch, and a differential pressure sensor (33). The differential pressure sensor determines a differential pressure in the fresh gas port between the inhalation branch and the adjusting valve. The data processor receives and records the absolute pressure measured and the differential pressure to determine a fresh gas flow through the fresh gas port. A method for determining a fresh gas flow is also shown and described.

Abstract: This application provides a composition comprising hydrogen gas or dissolved hydrogen as an active ingredient for suppressing or preventing abnormality in the intestinal environment of a subject, wherein the abnormality is selected from the group consisting of bacterial translocation and bacterial species composition abnormality of intestinal flora.

Abstract: A filter mask comprising a base plate having a first opening and a second opening, a mouth piece having a first end and second end wherein the first end of the mouth piece is attached to first opening of the base plate, a unidirectional exhaust port attached to the second opening of the base plate, a filter fitted to the base plate, wherein the first opening and the second opening are covered by the filter, a filter lock detachably engaged with the base plate wherein the filter is secured to the base plate.

Abstract: The present invention is directed to a device for generating oxygen, comprising at least one oxygen source, at least one ionic liquid, and at least one metal salt, wherein the oxygen source comprises a peroxide compound, the ionic liquid is in the liquid state at least in a temperature range from ?10° C. to +50° C., and the metal salt has an organic and/or an inorganic anion, and comprises one single metal or two or more different metals. The present invention also relates to charge components for filling or refilling the devices, and to the use of ionic liquids as dispersants or solvents for the reaction participants.

Abstract: Described embodiments include a therapeutic oxygen supply apparatus. The apparatus includes at least two components, including an intake manifold component configured to receive concentrated oxygen, a compressor component configured to compress concentrated oxygen, an oxygen tank component configured to store concentrated oxygen, a patient manifold component configured to supply concentrated oxygen, or a control structure component configured to route a flow of concentrated oxygen. A sensor circuit acquires data indicative of a respective operational state of the at least two components. A rule-based engine selects a next operational state of a component in response to (i) the acquired data indicative of the respective operational states of the at least two components and (ii) a rule database having at least one rule responsive to an objective providing a therapeutic flow of oxygen to the patient. A configuration manager circuit generates a control signal implementing the selected next operational state.

Abstract: A portable chemical oxygen generator for delivering oxygen to a patient is described. The generator includes a housing containing a reaction chamber. Within the reaction chamber is a quantity of a peroxide adduct. A valve is provided with a lower portion of the valve in fluid communication with the reaction chamber. An upper portion of the valve is in fluid communication with a reservoir that holds a quantity of an aqueous solution. An internal chamber is formed within the valve by releasable seals that separate the internal chamber from the upper portion of the valve and a lower portion of the valve. The internal chamber holds a quantity of a peroxide-decomposing catalyst. The generator also includes a valve actuator. Operation of the valve actuator releases the seals in the valve and creates a fluid path from the reservoir through the internal chamber into the reaction chamber.

Abstract: A device for generating oxygen comprising at least one reaction chamber for housing a composition for generating oxygen, the composition comprising a combination of constituents consisting of at least one oxygen source, at least one ionic liquid, and at least one metal oxide compound, means for maintaining at least one of the oxygen source, the ionic liquid and the metal oxide compound physically separated from the remaining constituents, means for establishing physical contact of the oxygen source, the ionic liquid and the metal oxide compound, and means for allowing oxygen to exit the reaction chamber, wherein the metal oxide compound is an oxide of a single metal or of two or more different metals, said metal(s) being selected from the metals of groups 2 to 14 of the periodic table of the elements, and wherein the oxygen source comprises a peroxide compound.

Abstract: The invention relates to a device for generating oxygen, comprising at least one reaction chamber for housing a composition for generating oxygen, the composition comprising an oxygen source formulation and a ionic liquid formulation, the oxygen source formulation comprising a peroxide compound, and the ionic liquid formulation comprising a ionic liquid having a cation and a metallate anion, means for maintaining the oxygen source formulation and the ionic liquid formulation physically separated from each other, means for establishing physical contact of the oxygen source formulation and the ionic liquid formulation, and means for allowing oxygen to exit the reaction chamber.

Abstract: This disclosure relates to a regenerable, heat-abating, humidity-neutralizing, carbon dioxide removal system for a self-contained breathing apparatus. The self-contained breathing apparatus can include a carbon dioxide removal unit that scrubs carbon dioxide out of exhaled air from a user to provide humidified, scrubbed exhaled air. The self-contained breathing apparatus can further include a heat and humidity removal unit that is configured to receive the humidified, scrubbed exhaled air, and is configured to remove water vapor and heat associated with the water vapor from the humidified, scrubbed exhaled air in order to provide cooled, dehumidified inhalation air. The cooled, dehumidified air can be supplemented with oxygen and returned to the user at a comfortable temperature. In some implementations, the heat and humidity removal unit can replace conventional heat exchange and energy storage units, including heat exchange and energy storage units that use phase change materials.

Abstract: A composition for generating oxygen, comprising at least one oxygen source includes at least one ionic liquid, and at least one metal salt, wherein the oxygen source comprises a peroxide compound, the ionic liquid is in the liquid state at least in a temperature range from ?10° C. to +50° C., and the metal salt has an organic and/or an inorganic anion, and comprises one single metal or two or more different metals. The present invention also relates to methods for generating oxygen, and to the use of ionic liquids in oxygen generating compositions.

Abstract: The present disclosure provides, in one embodiment, an electronic smoking device comprising a mouthpiece; a vaporizer portion in communication with the mouthpiece; a filter cartridge assembly in communication with the mouthpiece; an inlet check valve; and an outlet check valve. The vaporizer portion comprises a heating element for heating a smoking material housed within the vaporizer portion. The inlet check valve permits air to be inhaled from the vaporizer portion into the mouthpiece, but substantially prohibits air from being exhaled through the mouthpiece into the vaporizer portion. The outlet check valve permits air to be exhaled through the mouthpiece into the filter cartridge assembly, but substantially prohibits air from being inhaled from the filter cartridge assembly into the mouthpiece.

Abstract: A cooling device (10), for a protective respiratory apparatus (100), has a housing (20), a breathing bag (30) arranged in the housing (20) with an inlet (32) for respiratory air (A) and an outlet (34) for cooled respiratory air (A) and a spring plate (40) with a spring device (42) to apply a spring force to the breathing bag (30). Between the housing (20) and at least one section of an outer side (36) of the breathing bag (30) an cooling air channel (50) is formed. The cooling air channel (50) is connected to the ambient air (U) outside the housing (20) in a fluid-communicating manner. A blower (52) is arranged for the generation of a flow of the ambient air (U) through the cooling air channel (50). Furthermore a protective respiratory apparatus (100) having such a cooling device is provided.

Abstract: A safety breathing apparatus has a delivery element configured to deliver respirable gas to a respiratory system of a user. The apparatus includes a breathing hose in fluid communication with a first source of respirable gas. A valve housing includes a first port configured to be couple to the delivery element, a second port configured to be coupled to the breaking hose, and a third port configured to dock with a second source of respirable gas without exposing the user to a surrounding atmosphere.

Abstract: A self-rescuer device comprises an intake pump that creates a gas stream. The gas stream enters a first sieve that separates carbon dioxide, carbon monoxide, and oxygen from the gas stream to create a mixture. The remaining gas stream flows to a second sieve that separates nitrogen from the remaining gas stream and vents the residual gas to outside of the self-rescuer device through a residual output. The separated mixture is directed to a gas processor separates the oxygen from the mixture. A nitrogen storage canister coupled to the separated output of the second sieve stores the separated nitrogen, and an oxygen storage canister coupled to the separated output of the first sieve stores and concentrates the separated oxygen until a purity threshold is met. Habitable nitrogen and oxygen are metered from their storage canisters and supplied to a user through a breathing mask within an exterior mask shell.

Abstract: A breathing assistance apparatus includes an inner volumetric member pressurizable from a first pressure to a second pressure and an outer volumetric member surrounding at least a portion of the inner expandable volumetric member. The inner volumetric member pressurizes the outer volumetric member as the inner volumetric member is pressurized from the first pressure to the second pressure. In another embodiment, a breathing assistance apparatus includes exhalation and inhalation chambers with respective biasing members providing for the exhalation chamber to apply a pressure to the inhalation chamber and thereby provide assisted inhalation. Methods for assisting breathing are also provided.

Abstract: A vehicle drivetrain includes a magnetic bearing. The vehicle drivetrain includes a motor configured to provide a rotational driving force. The rotational driving force is received by a shaft, and the magnetic bearing is configured to support the shaft. The shaft is configured to drive a wheel of the vehicle.

Abstract: Provided is a portable air purifier, which includes: a mask part; a first connecting hose having one end connected to the mask part; a second connection hose in which the first connection hose is installed, and at least part of which has an opening for introducing external air; an air purification module that purifies the introduced external air to a predetermined temperature condition and discharges the purified air to the first connecting hose; and a power supply unit configured to supply power to the heater. Since the air purification module for removing poisonous gases or biochemical pollutants through a catalytic reaction of a metal catalyst layer can be semi-permanently used, the conventional inconvenience of carrying an extra canister is removed.

Abstract: The present disclosure describes an air-permeable texture providing oxygen and negative oxygen ions which comprises substances supplying oxygen and substances supplying negative ions and is embedded into several household articles or devices such as band-aids, dressings over wounds, masks, clothes, air conditioners or air purifiers.

Abstract: A device is provided that humidifies breathing gas. The device has a chamber with an inlet and an outlet. A chemical heater is positioned within the chamber and a trigger activates the heater. The chamber can be a conduit with an inner wall and an outer wall with a reservoir defined therebetween. The chemical heater can be positioned within the reservoir.

Abstract: Systems and methods are disclosed for generating a gas at therapeutic levels to a subject by providing a pellet dispenser that delivers a predetermined amount of thermally labile compound to a furnace; controlling a rate of compound addition to allow controlled continuous evolution of the gas; and maintaining a predetermined concentration of the gas using temperature and dilution with an inert gas.

Abstract: An improved protective breathing apparatus having a vent hole or one way valve incorporated into the inhalation duct so that the breathing apparatus can safely vent and release a pressure differential during the opening of the storage bag from vacuum storage. The use of an air pressure relief mechanism prevents the rupture of the duct and preserves the integrity of the device.

Abstract: The present disclosure relates to an electrolysis apparatus that includes an anode electrically connectable to a direct current electrical source. The apparatus also includes a cathode comprising a proximal segment and a distal segment. The proximal segment is electrically connectable to the direct current electrical source. Further, the apparatus includes a hydrogen collector receptacle that limits generation and collection of hydrogen at the cathode to a specified amount. The hydrogen collector receptacle encompasses a portion of the cathode. Also, the apparatus includes a delivery device that receives hydrogen from and is connected to the hydrogen collector receptacle. According to one embodiment, the hydrogen gas generated in the electrolysis apparatus and collected in the collector receptacle is less than about 4.5% of a user's breath.

Abstract: The present invention provides a system and method for supplying, generating, conserving, and managing oxygen that is ideally suited for use on-board an aircraft for supply of breathable oxygen to passengers and flight crew. The system includes several components that together optimize oxygen utilization while reducing costs from maintenance and added weight of traditional pressurized gaseous cylinders. Components of the system include a pressurized cylinder of oxygen enriched gas or a chemical oxygen generator for rapid use in emergency situations, an on-board oxygen generator (OBOG) of the ceramic oxygen generator (COG) type incorporating solid electrolyte oxygen separation (SEOS) technology, a controller, a pulsed oxygen supplier, a crew/passenger breathing mask, and one or more sensors including sensors that detect inhale/exhale phases and communicate with the controller so that flow of oxygen may be regulated for conservation and to adapt to physiological needs.

Abstract: A respirator (1) and a mount for a respirator are provided including a mounting device for a cylinder (2), preferably an oxygen cylinder. The mounting device forms an upper housing half (4) and a lower housing half (3) of the respirator (1) and includes at least one grip (6), which makes transportation of the respirator (1) possible. The upper housing half (4) and lower housing half (3) are provided with a connection mechanism (5), which connects the upper housing half (4) and the lower housing half (3).

Abstract: Provided herein is a hybrid system for generating oxygen on-board an aircraft for passengers and/or flight crew to breath. The system includes a first chemical oxygen generator component configured to promptly supply oxygen suitable for breathing upon an emergency situation arising and during an initial descent mode. Heat produced from the exothermic decomposition reactions inherent in several types of chemical oxygen generators can be harvested and feed to a second oxygen generator. The second oxygen generator is a solid electrolyte oxygen separation system that catalytically separates oxygen from air inside specialized ceramic materials at high temperatures, about 650° C. to 750° C., using electrical voltage. The ability to feed heat from the first oxygen generator to the second oxygen generator substantially reduces the lag time until the second ceramic oxygen generator is available to take over as the oxygen supply.

Abstract: Embodiments of the invention relate to a chemical oxygen generator for an emergency oxygen device, comprising an outer housing defining an interior space and comprising an outlet opening, a solid oxygen source within said interior space containing a material which is able to produce oxygen in a chemical reaction. According to embodiments of the invention, a hollow tube within said interior space is embedded in said solid oxygen source.

Abstract: An apparatus includes an electrolytic cell having an electrolytic chamber to which subject raw water is introduced, at least one membrane that separates inside and outside of the electrolytic chamber, and at least one pair of electrode plates provided in the inside and the outside of the electrolytic chamber so as to sandwich the membrane, the electrode plate in the outside of the electrolytic chamber being provided to be in contact with the membrane; a direct-current power source that applies a direct-current voltage to the pair of electrode plates; and a diluent gas supplier for diluting hydrogen gas generated from the electrode plate that is to be a cathode, wherein the apparatus blows diluent gas supplied from the diluent gas supplier to the cathode thereby to constantly maintain a hydrogen gas concentration in the vicinity of the cathode during electrolysis at lower than 18.3 vol % so that mixed gas comprising the hydrogen gas and the diluent gas and having a hydrogen gas concentration of 0.1 to 18.

Abstract: The invention relates to an inhalable gaseous composition containing oxygen (O2) in a proportion greater than 50% by volume, intended to treat, to minimize or to prevent a chronic migraine attack in a patient, said composition being produced on site, i.e. at the patient's home, by an oxygen-producing device designed so as to produce a gas stream containing more than 50% of oxygen from air.

Abstract: A device combines a muffler and a filter such as for use with an air compressor. The device utilizes dual expansion chambers with an internal connecting tube to filter the air entering an air intake port of an air compressor or oxygen concentrator.

Abstract: An oxygen concentrator is configured to provide oxygen at either lower pressures or higher pressures. When providing low pressure oxygen, the disclosed oxygen concentrator may be used with a conventional, low pressure oxygen delivery device, such as an oxygen cannula or mask, that is configured to deliver oxygen at approximate source pressures of 5 psig to 8 psig. When providing high pressure oxygen, the disclosed oxygen concentrator may be used with a high pressure oxygen delivery device, such as a low profile nasal cannula, that is configured to deliver oxygen at higher pressures. The disclosed oxygen concentrator is configured to automatically select whether low pressure oxygen or high pressure oxygen should be output to the user based on the type of connector used to couple a delivery device thereto, or based on characteristics of the delivery device itself.

Abstract: A filter assembly for use with a chemical oxygen generator. In some embodiments, the filter assembly is external to the chemical oxygen generator. In one embodiment, a first end of the filter assembly includes an inlet that couples to an outlet of chemical oxygen generator and a second end of the filter assembly includes one or more outlets that couple to one or more oxygen masks, tubes or other oxygen-delivery devices. The filter assembly houses a filter media for removing unwanted containments from the generated oxygen. In non-limiting embodiments, the filter assembly is housed in a drop down box or other housing of an aircraft or other desired application.

Abstract: The present invention provides a gas generator for health use having a security system, comprising: an electrolysis tank for containing electrolyzed water, wherein the electrolysis tank further comprises a power supply for electrolyzing the electrolyzed water to generating a gas mixture including hydrogen and oxygen; and a water bucket, coupled to the electrolysis tank. The security system comprises a sensor, electrically connected to the power supply, used to control the switch of the power supply, wherein the sensor is selected from a group consisting of a water level sensor configured in the water bucket, a gas leakage sensor configured in the gas generator for health use, a temperature sensor configured in the water bucket, a temperature sensor configured in the electrolysis tank, a temperature sensor configured in the power supply, and a combination thereof.

Abstract: Lightweight, portable oxygen concentrators that operate using an ultra rapid, sub one second, adsorption cycle based on advanced molecular sieve materials are disclosed. The amount of sieve material utilized is a fraction of that used in conventional portable devices. This dramatically reduces the volume, weight, and cost of the device. Innovations in valve configuration, moisture control, case and battery design, and replaceable sieve module are described. Patients with breathing disorders and others requiring medical oxygen are provided with a long lasting, low cost alternative to existing portable oxygen supply devices.

Abstract: A delivery device for and a method of delivering gases to the nasal airway, in particular therapeutic gases and gases in combination with active substances, either as powders or liquids, for enhanced uptake of the active substances.

Abstract: A portable life support apparatus (1102) and particularly a respiratory support apparatus adapted to be easily mounted to a stretcher is disclosed. Prior devices that attach onto a stretcher are heavy and cumbersome and obstruct access to the patient. Accordingly, there is a great need for a portable emergency support device that overcomes the weight, size, positioning, and other portability disadvantages. One aspect relates to a portable life support device including at least one ambient gas inlet (14); a conditioned gas outlet (30); an oxygen concentrator (26,28) fluidly connected between the at least one gas inlet and the gas outlet, and a ventilator (44) fluidly connected downstream from the oxygen concentrator.

Abstract: A method of producing breathing air includes receiving intake air from an ambient air source, collecting the intake air in one or more collection pots of a distribution system, and distributing the intake air from the one or more collection pots to one or more breathing hoses. The method further includes continuously monitoring the intake air communicated to the one or more collection pots for one or more parameters and periodically recording readings of the continuous monitoring communicated wirelessly in the distributed system.

Abstract: Provided is an expansion-chamber muffler as a downsized sound muffler while keeping a function of noise reduction, comprising: a tube (A) which supplies and evacuates a gas having a noise, wherein the tube (A) in the midway has a cavity with a cross-sectional area larger than that of the tube (A); and at least two or more ports for inflow or outflow of the gas on the lateral side of a tube (B) extending from the expansion-chamber muffler, on the opposite side of the noise source generating the noise.

Abstract: An oxygen concentrator may rely on a pressure swing adsorption process to produce an oxygen enriched gas stream from canisters filled with granules capable of separation of oxygen from an air stream. The adsorption process uses a cyclical pressurization and venting of the canisters to generate an oxygen enriched gas stream. The oxygen concentrator system may include one or more flow restrictors to allow controlled release of oxygen enriched gas between the canisters.

Abstract: There is provided herein devices for delivering hydrogen to a subject comprising a flow path including a breather bag and an inhalation outlet for engagement with the subject respiratory system; and a breathing gas supply source comprising hydrogen gas and in fluid communication with the flow path. Also provided are devices for the cutaneous delivery of hydrogen.

Abstract: Methods of generating oxygen (O2) are described in which ferrate(VI) is combined with an acid.

Abstract: Various systems and devices for generating nitric oxide are disclosed herein. According to one embodiment, the device includes a body having an inlet, an outlet, and a porous solid matrix positioned with the body. The porous solid matrix is coated with an aqueous solution of an antioxidant, wherein the inlet is configured to receive a gas flow and fluidly communicate the gas flow to the outlet through the solid matrix to convert nitrogen dioxide in the gas flow into nitric oxide. The porous solid matrix allows the device to be used in any orientation. Additionally, the porous solid matrix provides a rigid structure suitable to withstand vibrations and abuse without compromising device functionality.

Abstract: A nitric oxide delivery system, which includes a gas bottle having nitrogen dioxide in air, converts nitrogen dioxide to nitric oxide and employs a surface-active material, such as silica gel, coated with an aqueous solution of antioxidant, such as ascorbic acid. A nitric oxide delivery system may be used to generate therapeutic gas including nitric oxide for use in delivering the therapeutic gas to a mammal.

Abstract: An oxygen generating apparatus that includes a container containing potassium super oxide, an inhale valve, and an inhale valve filter between the potassium super oxide and the inhale valve. The filter is configured to prevent particles having a diameter of 10 ?m from passing through the filter, and to neutralize KOH and KO2 particles having a diameter of less than 10 ?m that contact the filter into a food grade compound.