US 12,334,253 B2
Systems and methods for leadless power coupling for cryogenic environments
Michael Steurer, Tallahassee, FL (US); Lukas Graber, Atlanta, GA (US); Sastry Pamidi, Tallahassee, FL (US); Yanjun Shi, Tallahassee, FL (US); Peter Cheatham, Tallahassee, FL (US); and Chul Han Kim, Tallahassee, FL (US)
Assigned to Florida State University, Tallahassee, FL (US)
Filed by The Florida State University Research Foundation, Inc., Tallahassee, FL (US)
Filed on Dec. 12, 2021, as Appl. No. 17/548,589.
Claims priority of provisional application 63/197,017, filed on Jun. 4, 2021.
Prior Publication US 2022/0392700 A1, Dec. 8, 2022
Int. Cl. H01F 38/14 (2006.01); B64D 27/24 (2006.01); B64D 35/02 (2006.01); H01F 6/00 (2006.01); H01F 6/04 (2006.01); H01F 6/06 (2006.01); H01F 27/40 (2006.01); H02J 50/10 (2016.01); H02K 55/00 (2006.01); H05K 7/14 (2006.01)
CPC H01F 38/14 (2013.01) [B64D 27/24 (2013.01); B64D 35/02 (2013.01); H01F 6/008 (2013.01); H01F 27/40 (2013.01); H02J 50/10 (2016.02); H02K 55/00 (2013.01); B64D 2221/00 (2013.01); H01F 6/04 (2013.01); H01F 6/065 (2013.01); H01F 2027/408 (2013.01); H05K 7/1492 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A leadless power coupler for a cryogenic environment, comprising:
a first thermal insulating system having a wall defining a cavity therein;
a first electrically conductive winding located outside of the first thermal insulating system, wherein the first electrically conductive winding is configured to create a varying magnetic field;
a plurality of second electrically conductive windings located inside the first thermal insulating system and configured to couple to the varying magnetic field, wherein the plurality of second electrically conductive windings are superconductors;
a plurality of cryogenic rectifiers, wherein each cryogenic rectifier is coupled to a respective second electrically conductive winding in the plurality of second electrically conductive windings; and
a plurality of cryogenic cables coupled between respective outputs of the plurality of cryogenic rectifiers and respective loads,
wherein:
the first thermal insulating system is configured thermally in a bus topology; and
the first electrically conductive winding, the plurality of second electrically conductive windings, the plurality of cryogenic rectifiers, and the plurality of cryogenic cables are configured electrically in a star topology with the first electrically conductive winding at a center of the star topology.