C01B13/0296

Oxygen candle

Provided is an oxygen candle starting device, comprising a pull line column (17) and a percussion cap (15), wherein a pull line hole (155) is provided in the pull line column in an axial direction of the pull line column, a percussion cap cavity (154) is provided inside one end of the pull line column, a fire-preventing cavity is provided inside the other end of the pull line column, and the pull line hole passes through the fire-preventing cavity and the percussion cap cavity; the percussion cap is mounted in the percussion cap cavity, and sand grains (16) are packaged in the fire-preventing cavity. Further provided is an oxygen candle comprising the oxygen candle starting device and an oxygen generator, wherein the oxygen generator comprises an agent loading housing, with a through hole being provided in the top of the agent loading housing, a gas outlet being provided in the bottom thereof, and a filter being mounted at the gas outlet; and the percussion cap of the oxygen candle starting device is in contact with an oxygen candle agent via the through hole, the oxygen generator is connected to the agent loading housing in a sealed manner, and the filter is connected to the gas outlet in a sealed manner. The oxygen candle employs a pull-type starting device, and the starting structure for an existing oxygen candle is simplified, thereby preventing a false start caused by the falling-off of a steel needle and improving the reliability.

Modified phyllosilicates for use in solid chemical oxygen generating compositions, oxygen generator, and method of generating oxygen

A composition for generating oxygen includes at least one oxygen source selected from chlorates and perchlorates. An oxygen generating device includes such a composition. Oxygen is generated by decomposing such a composition. In the context, phyllosilicate compounds are used as multifunctional components in the oxygen generating compositions.

OXYGEN GENERATOR FOR USE IN AN AIRCRAFT, PASSENGER OXYGEN MASK SYSTEM, AND AIRCRAFT

An oxygen generator for use in a passenger aircraft comprises an oxygen generating substance for generating oxygen gas after being activated; an activating substance for activating the oxygen generating substance; a pyroelectric igniter for igniting the activating substance upon receiving an electric trigger input; a housing defining a gas-tight chamber, accommodating the oxygen generating substance, the activating substance and the pyroelectric igniter; at least two electric conductors, coupled to the pyroelectric igniter and extending through a passage in the housing between an interior of the gas-tight chamber and an exterior of the gas-tight chamber; and at least one of a gas-tight glass-to-metal sealing and a gas-tight ceramic-to-metal sealing, sealing the at least two electric conductors with respect to the housing at the passage.

Oxygen generator outlet manifold with improved thermic properties

An oxygen generator outlet manifold assembly that includes an outlet manifold and an end cover. The outlet manifold includes a main body portion with inner and outer surfaces and at least a first hose connector that includes an outlet defined therein extending from the main body portion. The main body portion defines a main body portion interior that includes a connection opening defined in the inner surface, a ring chamber, a flow space and a distribution chamber. An annular ring is positioned in the main body portion chamber interior and separates the ring chamber from the distribution chamber. The end cover includes a generator outlet portion extending therefrom that is received in the connection opening. The generator outlet portion includes an outlet valve having an open and a closed state and includes an interior chamber that cooperates with the ring chamber to define an outlet chamber. An oxygen flow path is defined through the open valve, to the outlet chamber, through the flow space, through the distribution chamber and to the outlet of the first hose connector.

OXYGEN GENERATION APPARATUS
20170340907 · 2017-11-30 ·

An oxygen generation apparatus of the first embodiment includes an outer container, a container lid, a piercing member, and an inner container. An annular flange is formed inside the inner container, and a surface of the annular flange is provided with two sealing films to accommodate an oxygen generating agent. The piercing member may move from a first position to a second position relative to the container lid, so as to break the sealing films to mix the oxygen generating agents to generate oxygen; an oxygen generation apparatus of the second embodiment includes two inner containers, where an annular flange is formed on one inner container to dispose a sealing film to accommodate an oxygen generating agent, a bottom surface of another inner container is provided in a concave manner with an accommodation space which accommodates the piercing member.

AIRCRAFT OCCUPANT CHEMICAL OXYGEN SYSTEM WITH SHORT AND LONG DURATION

A chemical oxygen core for a chemical oxygen generator includes at least one layer of an oxygen-generating composition. In some examples, the at least one layer comprises includes a metal powder fuel, a transition metal oxide catalyst, and an oxygen source. In various examples, the at least one layer includes less than approximately 0.1 percent by weight of the transition metal oxide catalyst. In certain examples, a chemical oxygen generator includes a chemical oxygen core and a perforated metal covering surrounding the chemical oxygen core along a length of the chemical oxygen core. In some aspects, the perforated metal covering has an opening ratio of approximately 0 to 100 percent.

METHOD, COMPOSITION AND SYSTEM FOR GENERATING AN OXYGEN-FLOW

The invention provides a solid material for generating a flow of oxygen, the solid material comprising a chemical mixture for generating said flow of oxygen, the chemical mixture comprising as chemical components: 1-25% w/w of a self-sustaining decomposition additive, wherein the decomposition additive is selected from the group of copper (Cu), aluminium (Al), magnesium (Mg), zinc (Zn), molybdenum (Mo), manganese (Mn), cobalt (Co), nickel (Ni), iron (Fe), cobalt oxides (Co.sub.2O.sub.3 and Co.sub.3O.sub.4), copper oxide (CuO), iron oxide (Fe.sub.2O.sub.3), zinc oxide (ZnO), manganese oide (MnO), manganese dioxide (MnO.sub.2), chrome (Cr), chrome oxides, titanium, titanium oxides, and combinations thereof; 65-97% w/w of an oxygen generating component, wherein the oxygen generating component is selected from the group of alkali chlorates and alkali perchlorates, and alkali superoxides; 2-5% w/w of an inorganic binder; wherein said weight percentages are based upon the weight of the total solid material, wherein said solid material has a skeletal density of 2.8-3.5 g/cm.sup.3, wherein said solid material has a porosity of 30-50%, and wherein in said chemical mixture components are provided as particles having a volume particle size distribution having its peak between 5 and 100 μm.

COMPOSITION FOR GENERATING OXYGEN, OXYGEN GENERATOR, AND METHOD OF GENERATING OXYGEN
20230348270 · 2023-11-02 ·

A composition for generating oxygen includes, or is exclusively formed of, the following constituents: an oxygen source, the oxygen source being potassium superoxide, and a water-containing solution or a water-containing mixture. The water-containing solution contains such an amount of a salt or such an amount of a salt together with such an amount of an antifreeze or the water-containing mixture contains such an amount of an antifreeze, that the freezing point of the solution or of the mixture is lowered by at least 10° C. compared to the freezing point of the water. There is also described an oxygen generator and a method of generating oxygen.

COMPOSITION FOR GENERATING OXYGEN, OXYGEN GENERATOR, AND METHOD OF GENERATING OXYGEN

A composition for generating oxygen includes the following constituents. Potassium superoxide forming an oxygen source. An ionic liquid, which is a salt with at least one cation and at most 100 cations and with at least one anion and at most 100 anions. The composition additionally has a water-containing solution or a water-containing mixture. The water-containing solution contains such an amount of a further salt or such an amount of a further salt together with such an amount of an antifreeze or the water-containing mixture contains such an amount of an antifreeze, that the freezing point of the solution or of the mixture is lowered by at least 10° C. compared to the freezing point of the water.

Articulated oxygen candle furnace basket

An articulated oxygen candle furnace basket is provided with a hinged assembly allowing opening and closing of the basket for simple insertion of fresh oxygen candles, and efficient removal of exhausted candles.