| CPC F04D 29/5806 (2013.01) [F04D 25/06 (2013.01); F04D 29/5826 (2013.01); F04D 29/5846 (2013.01)] | 10 Claims |
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1. A turbo-machine arrangement, comprising:
at least one single or multi-stage compressor section configured to increase a pressure of a working medium, wherein the at least one single or multi-stage compressor section comprises a compressor shaft;
an electric machine having a shaft;
wherein the respective compressor shaft runs coaxially to the shaft of the electric machine;
wherein the respective compressor shaft is coupled to the shaft of the electric machine;
a common hermetically sealed single or multi-part housing in which the electric machine and the at least one single or multi-stage compressor section is are arranged and mounted in the housing via bearings such that the at least one single or multi-stage compressor section, the electric machine, and the bearings are altogether washed about by the working medium;
a supply line configured to supply uncompressed working medium to the turbo-machine arrangement;
a discharge line configured to discharge working medium compressed by the turbo-machine arrangement; and
at least one ejector, supplied via a first line or a first connection with working medium at a first pressure level as propellant to draw in working medium at a lower second pressure level via a second line or a second connection,
wherein a mixture formed in the at least one ejector of the working medium at the first pressure level and the working medium at the second pressure level is supplied as cooling medium to the electric machine and/or to at least one other assembly to be cooled via a third line or a third connection,
wherein the first line or the first connection is arranged directly between the at least one ejector and the common hermetically sealed single or multi-part housing and the third line or the third connection is arranged directly between the at least one ejector and the common hermetically sealed single or multi-part housing.
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