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    • 1. 发明授权
    • Oxygen candle
    • US11559707B2
    • 2023-01-24
    • US16763931
    • 2018-10-25
    • SHAANXI STAR EXPLOSION SAFETY POLYTRON TECHNOLOGIES INC
    • Xinguo WenAiping Ma
    • A62B7/08A62B21/00C01B13/02
    • 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.
    • 9. 发明授权
    • Portable chemical oxygen generator
    • US10556135B2
    • 2020-02-11
    • US16025727
    • 2018-07-02
    • Rapid Oxygen Company Inc.
    • Richard P. ImbruceDavid Cowan
    • A62B21/00A61M16/10A61M16/20A62B7/08A62B9/02C01B13/02
    • 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. When the valve is actuated, the aqueous solution flows from the reservoir through the internal chamber and into the reaction chamber. This flow washes the catalyst into the reaction chamber along with the aqueous solution. The solution and catalyst mix with the peroxide adduct and cause an oxygen-generating reaction.