Yarn guiding godet with magnetic bearings
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United States of America Patent
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-
Sep 18, 2007
Grant Date -
Jun 24, 2004
app pub date -
Nov 21, 2003
filing date -
May 21, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A godet for guiding at least one advancing yarn in a yarn processing operation. The godet comprises a tubular casing which is mounted for free rotation on a support by means of a plurality of bearings. At least one of the bearings is a radially operative magnetic bearing, which comprises a rotating part and a stationary part attached to the support, with a bearing gap formed between the parts. The stationary part includes at least one pole element with an excitation winding, and the rotating part is made of at least one laminated component of a magnetizable material which is fixed on the inner side of the tubular casing. The pole element and the laminated component cooperate for guiding a magnetic flux.
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