Thermal-insulated multi-walled pipe for superconducting power transmission
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United States of America Patent
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Nov 1, 2022
Grant Date -
Jun 25, 2020
app pub date -
May 29, 2018
filing date -
May 31, 2017
priority date (Note) -
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Abstract
Provided is a thermal-insulated multi-walled pipe for superconducting power transmission that highly prevents intrusion of external heat due to radiation and has excellent thermal insulation property without using a superinsulation. A thermal-insulated multi-walled pipe for superconducting power transmission comprises: a superconducting cable; and a multi-walled pipe that houses the superconducting cable, wherein the multi-walled pipe is composed of a plurality of straight pipes, and at least one of the plurality of straight pipes has, at a surface thereof, a zinc or zinc alloy-plated layer having an average spangle size of 2.0 mm or less.
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