ROTATING MACHINE (VERSIONS) Russian patent published in 2018 - IPC F04D29/58 F04D29/59 F16C32/04 F16C35/07 

FIELD: machine building.

SUBSTANCE: group of inventions relates to rotating machines. Rotating machine comprises shaft (14), a casing, at least one main magnetic bearing connected to shaft (14) for rotatably supporting said shaft inside the casing, at least one first and one second auxiliary rolling bearings (20, 22) positioned between the shaft and the casing to support axial and radial loads, and first and second axial abutment means (44, 54) positioned on the shaft to transmit axial loads to inner rings of the rolling bearings. Machine further comprises spacer (28) axially positioned between facing faces of inner rings (20a, 22a) of said rolling bearings for the transmission of the axial loads between said inner rings, and at least first axial retaining means (58) positioned on the casing and located axially between facing faces of outer rings (20b, 22b) for the transmission of the axial loads between at least one of said outer rings and the casing.

EFFECT: group of inventions is aimed at extending the service life of bearings.

20 cl, 2 dwg