Document Type and Number:
Japanese Patent JPH0456546
Kind Code:
B2
Abstract:
A coolant supply and discharge device for a superconductive rotor including a gaseous coolant withdrawing tube for withdrawing a gaseous coolant located at an end portion of fixed casing enclosing an end portion of the rotor and supporting a coolant feed tube. The withdrawing tube is constituted to withdraw a predetermined amount of gaseous coolant produced in a clearance between the coolant feed tube and a coolant inlet tube located within a rotor shaft to a coolant sump located outside, to avoid introduction of heat into the feed tube from outside.
Inventors:
YAMAGUCHI KYOSHI
MAKI NAOKI
MAKI NAOKI
Application Number:
JP17531481A
Publication Date:
September 08, 1992
Filing Date:
October 31, 1981
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H02K9/00; F17C9/02; H02K9/193; H02K55/04
Next Patent: MULTIPLE ADDRESS COMMUNICATION SYSTEM