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    • 10. 发明授权
    • Breathing gas cooling and heating device
    • 呼吸气体冷却和加热装置
    • US5662161A
    • 1997-09-02
    • US513493
    • 1995-08-10
    • Robert HughesBilly CoursonJoseph Rudolph
    • Robert HughesBilly CoursonJoseph Rudolph
    • A62B9/00F28D20/02F28D17/00
    • F28D20/023A62B9/003Y02E60/145
    • A breathing gas cooling and heating device. Warm breathing gas enters the it which consists of a heat exchanger mounted in an insulated shell and runs through the heat exchanger tubes. These tubes are in intimate thermal contact with micro-encapsulated phase change materials. The micro-encapsulated phase change material changes phase from solid to liquid, thereby absorbing heat at the temperature of the phase change material, and thereby cooling the gas flowing through the heat exchanger. In situations where heating of the breathing gas is desired, the gas stream absorbs heat from the phase change material. The unit is rechargeable for chilling applications after usage by placing the device in an ambient environment less than the temperature of the phase change of the material or by replacing the phase change material. It is rechargeable for heating applications by warming the device to a temperature above that of the phase change material. The unit circumvents the need for ice, the most commonly available chilling medium, in situations where ice or other cooling is not available. Additionally, the unit can be used by filling it with an ice water slurry for fire fighting applications where ice is readily available. The gas then exits the device in a chilled state. The device is designed to work in conjunction with numerous existing breathing apparatus by virtue of the in-line installation capability to existing systems.
    • 呼吸气体冷却和加热装置。 暖气呼吸气体进入由安装在绝缘壳体中的热交换器组成并穿过热交换器管的单元。 这些管与微胶囊相变材料紧密地热接触。 微胶囊化相变材料从固体变为液态,从而在相变材料的温度下吸收热量,从而冷却流过热交换器的气体。 在需要呼吸气体的加热的情况下,气流从相变材料吸收热量。 该装置可以在使用后通过将设备放置在小于材料相变温度的环境环境中或通过更换相变材料来对可冷却的应用进行充电。 通过将装置升温至高于相变材料的温度,可以对加热应用进行充电。 在冰或其他冷却不可用的情况下,该装置避免了对冰,最常见的冷冻介质的需要。 此外,该装置可以通过在冰容易获得的消防应用中填充冰水泥浆来使用。 气体然后以冷冻状态离开设备。 该设备旨在通过现有系统的在线安装能力与众多现有呼吸器配合工作。