The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 26, 2019
Filed:
Apr. 10, 2015
Mitsubishi Electric Corporation, Chiyoda-ku, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Chiyoda-Ku, Tokyo, JP;
Abstract
A superconducting magnet includes: a superconducting coil; a coolant container; a radiation shield; a vacuum container; a refrigerator configured to cool the inner part of the coolant container and the radiation shield; a first exhaust pipe connected to the coolant container from the outside of the vacuum container and serving as a flow path of the coolant vaporized; a first pressure release valve connected to a distal end of the first exhaust pipe outside the vacuum container and configured to open when a pressure in the coolant container becomes a first set value or higher; a heater provided at the first exhaust pipe and configured to heat the first exhaust pipe; and a detector provided at the first exhaust pipe and configured to detect a change due to occurrence of freezing in the first exhaust pipe.