| 摘要 |
PURPOSE: A portable nitrogen generator is provided to improve the convenience of a user by including an airtight container for implementing a degassing operation and a gas injecting operation and by being used regardless of times and places. CONSTITUTION: A portable nitrogen generator includes a power unit, a motor(12), an air pump(13), a nitrogen generating filter(14), and a converting valve(15) in a casing(1). A nozzle(6) is formed at the casing. The nozzle is in connection with each valve(31, 32) of an airtight container(30). The converting valve includes four ports and two flow paths. The flow paths are converted according to the manipulation of an operating lever(7). The ports include three ports connecting the nozzle, the air pump, and the nitrogen generating filter. One port is opened.
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