主权项 |
1. A turbine generator comprising:
a rotor having rotary shafts on its two sides, respectively; a stator disposed surrounding an outer periphery of the rotor, and constituting a power generator in conjunction with the rotor; a turbine mounted on one of the rotary shafts; a housing configured to house the rotor and the stator inside its internal space; a bearing device installed in the housing, and configured to rotatably support the rotary shafts of the rotor; and a communicating portion formed in the bearing device, and configured to make a pressure in the internal space of the housing equal to a pressure outside of the internal space which is separated by the bearing device. |