JPS596699U - cryostat - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の、第２図は本考案のクライオスタットの
概略断面図、第３図は二重ベローズ及び連通管の取付要
領を示す断面図、第４図は二重ベローズの作動系統図で
ある。 １・・・内槽、２・・・囲体窒素槽、２ａ・・・液体窒
素槽の内筒、３・・・外筒、４・・・二重ベローズ、４
ｂ・・・内ベローズ、５・・・ベローズ駆動ガス導入！
、１１・・・積層断熱加工、２０・・・連通管、Ａ・・
・内側真空断熱部、Ｂ・・・外側真空断熱部。Figure 1 is a schematic sectional view of the conventional cryostat, Figure 2 is a schematic cross-sectional view of the cryostat of the present invention, Figure 3 is a cross-sectional view showing how to install the double bellows and the communication pipe, and Figure 4 is a diagram of the operation system of the double bellows. be. DESCRIPTION OF SYMBOLS 1... Inner tank, 2... Surrounding nitrogen tank, 2a... Inner cylinder of liquid nitrogen tank, 3... Outer cylinder, 4... Double bellows, 4
b... Inner bellows, 5... Bellows driving gas introduced!
, 11... Laminated insulation processing, 20... Communication pipe, A...
・Inner vacuum insulation part, B...Outer vacuum insulation part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 外面に積層断熱加工１１が施された内槽１と、同内槽１
の外周に内側真空断熱部Ａをへだてて設置された液体窒
素槽２と、同液体窒素槽２の外周に外側真空断熱部Ｂを
へだてて設置された外筒３とによって構成された極低温
物質を充填又は導入するためのクライオスタットにおい
て、ベローズ駆動ガス導入管５を備えた良伝熱材よりな
る複数個の二重ベローズ４と同二重ベローズ４同士を互
いに結合する連通管２０とが前記液体窒素槽２の内筒２
ａ壁に前記内槽１側へ伸縮可能に取付けられていると共
に、同連通管２０が同二重ベローズ４の内ベローズ４ｂ
を介して同液体窒素槽２に連通していることを特徴とす
るクライオスタット。Inner tank 1 with laminated insulation processing 11 applied to the outer surface, and the same inner tank 1
A cryogenic substance consisting of a liquid nitrogen tank 2 installed on the outer periphery of the liquid nitrogen tank 2 with an inner vacuum insulation part A separated from it, and an outer cylinder 3 installed on the outer periphery of the liquid nitrogen tank 2 with an outer vacuum insulation part B separated from it. In a cryostat for filling or introducing the liquid, a plurality of double bellows 4 made of a good heat transfer material and equipped with a bellows driving gas introduction pipe 5 and a communication pipe 20 connecting the double bellows 4 to each other are connected to a cryostat for filling or introducing the liquid. Inner cylinder 2 of nitrogen tank 2
It is attached to the wall a so that it can expand and contract toward the inner tank 1 side, and the communication pipe 20 is connected to the inner bellows 4b of the double bellows 4.
A cryostat characterized in that the cryostat is connected to the liquid nitrogen tank 2 via the liquid nitrogen tank 2.