Patent ID: 9683457
Date: 2017-06-20
CPC Classifications: F01D,F05D

Claim:
1. A steam turbine bearing support structure, arranged to support a casing that accommodates a turbine rotor having turbine blades, provided with stator blades that constitute a turbine stage together with the turbine blades, arranged to support both ends of said turbine rotor in a freely rotatable fashion by bearings arranged on foundations, wherein said foundations are arranged on both sides of said casing; rectangular notches having prescribed width and depth in a horizontal direction are formed in each of said foundations over a prescribed vertical depth from a flat face of a top of opposite wall surfaces; each of the rectangular notches has a bottom section; bearing support members formed with an extension facing said casing are laid with respect to said notches formed on each of said foundations; each of the bearing support members includes a bottom plate, the bottom plate being supported by the bottom section of each of the rectangular notches, wherein each of said bearing support members further includes a top plate arranged on a top face of said foundations and a reinforcing member in an inverted condition connecting said top plate and bottom plate, and wherein said top plate of said bearing support member on an opposite side from that of said extension is fixed to the top face of said foundation; and said bearings are arranged on said extensions of said bearing support member.