Magnetic bearing

Electrical generator or motor structure – Dynamoelectric – Rotary

Reexamination Certificate

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Details

C310S053000

Reexamination Certificate

active

07002273

ABSTRACT:
A magnetic bearing of a rotor shaft relative to a stator is described, which has the following features:(a) the rotor shaft (1) contains an arrangement of permanent-magnet elements (2) arranged side by side in the region of the stator (3);(b) the stator (3) has a structure (6a) with high-Tcsuperconductor material with grains;(c) the high-Tcsuperconductor material is located in/on the surface of a heat sink (6) that is arranged coaxially with the rotor shaft (1);(d) the heat sink (1) either has a cooling channel (8), which is also arranged coaxially with the rotor shaft (1), or is formed as a solid piece and is in contact with a cold head; and(e) the heat sink (6) is located inside an evacuated housing (5).

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German Search Report dated Feb. 17, 2004.
German Search report Mar. 22, 2005.

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