Patent ID: 7222861
Filing Date: 2007-05-29
Classification: F03B,F05B,F16C,F16J,Y02E

Abstract:
1. An arrangement for sealing-off a rotor of a hydraulic turbomachine with respect to a turbine casing, wherein, in a peripheral region of the rotor, an overhung sealing ring is arranged and is mounted both with respect to the rotor and with respect to the turbine casing, in each case the arrangement includes at least one hydrostatic bearing, wherein each of the hydrostatic bearings has bearing surfaces facing one another, wherein at least one groove extends into at least one of the bearing surfaces, and wherein at least one pressure-water line, which is connected to a pressure-water supply, supplies pressure liquid into at least one of the bearing surfaces and the overhung sealing ring is secured against rotation with respect to the turbine casing.