Method for securing the lubrication of bearings in a...

Details Method for securing the lubrication of bearings in a... Method for securing the lubrication of bearings in a...

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 25/22 (2006.01) F01D 25/18 (2006.01) F01K 25/08 (2006.01) F16N 15/00 (2006.01) F16N 29/02 (2006.01)

Patent

CA 2069491

ABSTRACT The object of the invention is a method for arranging the fluid lubrication of bearings (6) of a rotor (2) of a closed or hermetic high-speed machine (1), especially a small-size power plant based on the Organic Rankine Cycle (ORC) process, i.e. an energy converter, comprising a turbine (3), a generator (4), and possibly a main feed pump (5) installed on a joint root (2), wherein organic circulating medium of the process is used for lubrication. According to the invention, in a stoppage situation of the primary circulation in the main line (10) of the energy coverter, the fluid lubrication of the bearings (6) of the rotor (2) is secured by pressurized circulation medium accumulated in the vaporizer (11), susch as a boiler, process furnace, ceramic furnace, or a corresponding heat source, as a result of the closing of the main operational valve.

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