Shaft bearing system
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United States of America Patent
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-
Oct 30, 2001
Grant Date -
N/A
app pub date -
Jun 21, 1994
filing date -
Jun 21, 1994
priority date (Note) -
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Abstract
A turboexpander associated with a rotary compressor by means of a rotor shaft connecting the two. A bearing housing includes magnetic radial and thrust bearings which control the placement and dynamics of the shaft within the housing. A control passageway extends from the inlet of the compressor to the gas cavity behind the compressor rotor. This passage is controlled by a valve and in turn by the magnetic bearing controller to augment the operation of the active magnetic thrust bearings.
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