Cooling means for the motor of a turbocompressor
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United States of America Patent
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May 21, 2002
Grant Date -
N/A
app pub date -
Jun 20, 2000
filing date -
Jul 16, 1999
priority date (Note) -
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Abstract
A turbocompressor (1) has an outwardly gas-tight housing (6) within which an electric motor (2) and a multistage radial turbocompressor (3) are arranged on a common shaft (13). For journalling the shaft (13), electromagnetic radial bearings (5) are arranged spaced apart in the direction of the shaft. A gas seal (19) surrounding the shaft (13) is arranged between the electric motor (2) and the radial turbocompressor (3) in order to seal off the electric motor (2) with respect to the radial turbocompressor (3). The electric motor (2) has an inner space (9b, 9c) which is connected in a fluid-conducting manner to an outlet opening (6h; 21) which passes through the housing.
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