公开(公告)号：US3583592A

公开(公告)日：1971-06-08

申请号：US3583592D

申请日：1968-11-05

Applicant: GEN AM TRANSPORT

Inventor： KERFMAN HERMAN D

IPC: F17C3/02 ,  B65D25/18

CPC classification number: F17C3/022 ,  F17C2201/0109 ,  F17C2201/0119 ,  F17C2203/013 ,  F17C2203/032 ,  F17C2203/0325 ,  F17C2203/0329 ,  F17C2203/0341 ,  F17C2203/0345 ,  F17C2203/0629 ,  F17C2203/0639 ,  F17C2203/0678 ,  F17C2205/0184 ,  F17C2209/228 ,  F17C2209/23 ,  F17C2221/012 ,  F17C2221/017 ,  F17C2221/033 ,  F17C2221/035 ,  F17C2223/0161 ,  F17C2223/033 ,  F17C2227/0304 ,  F17C2260/032 ,  Y02E60/321 ,  Y10S220/901

Abstract: A cryogenic storage tank is disclosed having a bottom, a sidewall and a domed roof supported thereby, and an insulated false ceiling mounted on the sidewall and dividing the tank into a lower storage space and a dome vapor space and supported at its center by a support column, the ceiling being imperforate except for a foraminous portion allowing passage of vapors therethrough. There also is disclosed a double-vaportight sidewall with insulation therebetween and a purge space above the insulation communicating with the dome vapor space by way of openings in the inner sidewall.