| 摘要 |
<P>PROBLEM TO BE SOLVED: To safely and efficiently discharge liquefied gas stored in a container in a device comprised for resolving risk work in transferring liquefied gas such as liquid nitrogen in a container such as a cryopreservation container to another container. Ž<P>SOLUTION: The ejector device includes straight pipe like liquefied gas lead-out pipe 15 dipped in a substantially erected state in the liquefied gas, an ejector part 14 attached to a lower end of the liquefied gas lead-out pipe to suck up the liquefied gas, a liquefied gas blow-up preventing valve 16 connected to an upper part of the liquefied gas lead-out pipe and closed full time, a liquefied gas outflow pipe 21 connected to the liquefied gas blow-up preventing valve to send the liquefied gas to another container, a driving gas lead-in pipe 11 supplying driving gas to the ejector part, a nitrogen gas cylinder 4 connected via a check valve 10 to the driving gas lead-in pipe, and a valve opening and closing part opening the liquefied gas blow-up preventing valve when necessary. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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