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Title: Superconducting electrical machine with double re-entrant ends for minimizing heat leak

A superconducting electrical machine includes at least one re-entrant end including at least two segments. The at least two segments are continuous. At least one re-entrant end may be included in a stator of the superconducting electrical machine, the stator being disposed substantially coannular with a longitudinal axis. At least one re-entrant end may also be included in a rotor of the superconducting electrical machine, the rotor being configured to rotate about a longitudinal axis. A first segment is substantially perpendicular to a plane parallel to the longitudinal axis, and a second segment is coannular with the longitudinal axis. Heat distal from rotor windings and/or stator windings encounters a thermal resistance provided by the at least two segments as the heat travels towards the rotor windings and/or stator windings.
Inventors:
Issue Date:
OSTI Identifier:
1483292
Assignee:
Kato Engineering Inc. (North Mankato, MN) DOEEE
Patent Number(s):
10,077,955
Application Number:
14/662,064
Contract Number:
EE0005140
Resource Relation:
Patent File Date: 2015 Mar 18
Research Org:
Kato Engineering Inc., North Mankato, MN (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING