Patent ID: 6046509
Filing Date: 2000-04-04
Classification: F01D,F05D

Abstract:
A steam turbine-driven generator for generating electric power, comprising:an electric generator having a vertical shaft journalled for rotation between bearings contained in a generator housing, said vertical shaft having an unsupported upper end protruding from the top of said generator housing;an axial flow impulse turbine wheel having a central hub and peripherally arranged vanes;clamping means for securing the central hub of said turbine wheel to the unsupported upper end of said vertical shaft;a turbine housing supported by said generator housing, said turbine housing defining a chamber containing the upper end of said vertical shaft and the turbine wheel secured thereto, said turbine housing having an inlet and an outlet positioned to accommodate a downward flow of steam through said chamber; andnozzle means for directing said steam flow against the vanes of said turbine wheel to rotatably drive said vertical shaft.