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:
Feb. 14, 2017
Filed:
Oct. 25, 2013
Applicant:
The Johns Hopkins University, Baltimore, MD (US);
Inventors:
James R. Neilson, Baltimore, MD (US);
Tyrel M. McQueen, Baltimore, MD (US);
Assignee:
THE JOHNS HOPKINS UNIVERSITY, Baltimore, MD (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 21/00 (2006.01); H01F 1/01 (2006.01);
U.S. Cl.
CPC ...
F25B 21/00 (2013.01); H01F 1/012 (2013.01); F25B 2321/002 (2013.01); Y02B 30/66 (2013.01);
Abstract
System and methods for cryogenic magnetocaloric refrigeration are provided. The system may include a magnetocaloric material including a single ion anisotropy and primary magnetic interactions of at most two dimensions. The system may also include a cryogenic fluid in communication with the magnetocaloric material, such that, when a magnetic field having a strength of at least a predetermined threshold is applied, the magnetocaloric material is configured to at least partially liquefy the cryogenic fluid.