SEAL OIL SYSTEM, AND STEAM TURBINE Russian patent published in 2012 - IPC F16J15/00 F02C7/06 

FIELD: machine building.

SUBSTANCE: group of inventions refers to seal oil system and steam turbines using seal oil. Seal oil system includes a closing element for bearings with lubricating oil, which is fixed relative to the bearing. Bearing has the configuration that provides the support for some part of rotating shaft of machine; besides, closing element includes the first end cap passing inwards in radial direction towards the shaft so that the cavity enclosing the bearing will be formed with closing element and the first end cap. Set of O-rings is located concentrically relative to the shaft and forms a seal relative to lubricating oil flow. O-rings include multiple wire brushes passing inwards in radial direction in the direction from end cap; besides, wire brushes have such configuration that they pass to surface of shaft in assembled condition; at that, brushes have such configuration that allows forming a curved flow passage for gas penetrating into the cavity.

EFFECT: invention improves reliability of the device sealing.

10 cl, 3 dwg