Open-end spinning device with a spinning rotor

Details Open-end spinning device with a spinning rotor Open-end spinning device with a spinning rotor

1998-07-09

1999-11-23

Stryjewski, William

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

57404, 310 905, D01H 400

Patent

active

059878711

ABSTRACT:
An open-end spinning device has a spinning rotor (3) supported by its rotor shaft (4) in the bearing nip of a support-disk bearing (5) and positioned by a magnetic thrust bearing (18). The magnetic thrust bearing (18) comprises a stationary bearing component (41) with permanent-magnet rings (42, 43) which are enclosed by pole disks (44, 45, 46) and a replaceably arranged bearing component formed of ferromagnetic annular attachments (32, 33, 34) arranged on the rotor shaft (4) which rotate with the spinning rotor. The rotor shaft (4) comprises on one end a bearing area (35) with offset diameter and with at least three ferromagnetic annular elements (32, 33, 34) arranged at the spacing of the pole disks (44, 45, 46), with the ferromagnetic annular elements being optimized as regards their design and arrangement.

REFERENCES:
patent: 3747998 (1973-07-01), Klein et al.
patent: 5622040 (1997-04-01), Preutenborbeck et al.
patent: 5720160 (1998-02-01), Taxler et al.
patent: 5887417 (1999-03-01), Derichs

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