Motor for a shaftless spinning rotor for an open-end spinning ma

Details Motor for a shaftless spinning rotor for an open-end spinning ma Motor for a shaftless spinning rotor for an open-end spinning ma

1994-12-07

1996-08-27

Hail, III, Joseph J.

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

057100, D01H 414

Patent

active

055489508

ABSTRACT:
A shaftless spinning rotor for an open-end spinning machine advantageously protects the rotational bearing components in a combined magnetic-gas bearing management by utilizing a concentric magnet arrangement for the generation of a magnetic field for guiding the rotor relative to the stator, wherein a first dynamically balanced magnet unit projects from one of two opposed bearing faces on the rotor and the stator and a corresponding dynamically balanced magnet unit is recessed in the opposite bearing surface, the magnet units being dimensioned to produce an axial as well as a radial air gap therebetween. Air nozzles for producing the gas bearing open into the recessed area. The air gap in the area of the central axis can be embodied to be wider than the air gap between the opposed bearing faces.

REFERENCES:
patent: 4022008 (1977-05-01), Pimiskern et al.
patent: 4306166 (1981-12-01), Quandt
patent: 4543780 (1985-10-01), Muller et al.

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