Open-end spinning device with an aerostatic axial bearing for a spinning rotor, an aerostatic axial bearing and a process for manufacturing an aerostatic axial bearing
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United States of America Patent
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Aug 3, 2010
Grant Date -
May 29, 2008
app pub date -
Nov 27, 2007
filing date -
Nov 29, 2006
priority date (Note) -
Expired
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Abstract
An open-end spinning device (1) with a spinning rotor (2) whose shaft end (11) is supported by an aerostatic axial bearing (10) with an air gap (18) located between a bearing plate (17) of the axial bearing (10) and the shaft end (11). The aerostatic axial bearing (10) comprises a bearing plate (17) and a throttle device (19) made from a porous graphite material placed before the bearing plate (17). The throttle device (19) is an stamped pressed, tablet-shaped molding with largely homogenous porosity. In a process for manufacturing an aerostatic axial bearing (10) for a spinning rotor (2) of an open-end spinning device (1), a throttle device (19) made from a porous graphite material is placed before the axial bearing (10). The throttle device (19) is stamped pressed in a press tool as a tablet-shaped molding.
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