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:
Jan. 27, 1998
Filed:
May. 15, 1996
Yasumi Ohtani, Yokohama, JP;
Masahiko Takahashi, Yokohama, JP;
Hideo Hatakeyama, Yokohama, JP;
Rohana Chandratilleke, Yokohama, JP;
Toru Kuriyama, Boulder, CO (US);
Hideki Nakagome, Tokyo, JP;
Takayuki Kobayashi, Yokohama, JP;
Tomomi Hattori, Yokohama, JP;
Tatsuya Yoshino, Tokyo, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A superconducting magnet apparatus comprises a superconducting coil unit, and a refrigerant-filled chamber type refrigerator having a plurality of cooling stages. At least a final cooling stage of the cooling stages includes a static-type refrigerant-filled chamber and is associated with the superconducting coil unit, and at least a first cooling stage of the cooling stages includes a movable-type refrigerant-filled chamber.