Patent · US Active

Cryostat

US11326739B2 · kind B2 · utility

0Cited by

1References

12Claims

0Family size

Assignee

NUCTECH COMPANY LIMITED · CN

Inventors

Hongyan Wei · Beijing, CN
Yulan Li · Beijing, CN
Jianping Chang · Beijing, CN
Haijun Yu · Longbeilingcun, CN
Xiuxia Li · Beijing, CN
Hong Li · Nanhu, CN
Li HE · Tangxia, CN

Key dates

Filing date	Apr 3, 2019
Grant date	May 10, 2022
Priority date	—
Expiry date	Jul 25, 2040

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF25D2201/14
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

A cryostat includes a room temperature vessel, a low temperature vessel, and a refrigeration mechanism. The room temperature vessel includes a room temperature tank, an outer neck tube and a sealing head. The low temperature vessel includes a low temperature tank, an inner neck tube and a liquefaction chamber. The liquefaction chamber corresponds to the first opening and passes through the first opening. The refrigeration mechanism includes a device panel and a refrigeration device. The device panel is disposed on the sealing head. The refrigeration device includes a body and a cold finger. The body is disposed at the device panel. The cold finger is connected with the body and extends into the liquefaction chamber.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.