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Device for emptying liquid nitrogen dewars

 

作者: W. M. Miller,   B. D. Terris,   D. M. Ginsberg,  

 

期刊: Review of Scientific Instruments  （AIP Available online 1981）
卷期: Volume 52, issue 4  

页码: 611-612

 

ISSN:0034-6748

 

年代: 1981

 

DOI:10.1063/1.1136647

 

出版商: AIP

 

数据来源: AIP

 

摘要:

We have invented a device for quickly emptying a dewar of liquid nitrogen without having to invert the dewar. The liquid is forced out by compressed nitrogen gas, using a type of pump which does not require the dewar to be sealed.

 

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