Turbine and turbine system
US10787907B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2019 |
| Grant date | Sep 29, 2020 |
| Priority date | — |
| Expiry date | Jun 11, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/15
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A turbine which has: a balance piston disposed in a turbine rotor; a plurality of balance piston seals disposed on a casing side in a manner to face the balance piston; a balance piston extraction hole allowing extraction from between the plurality of balance piston seals to a middle stage of the turbine stages; an exhaust connection piping connecting a low pressure side of the balance piston to a turbine exhaust system; a exhaust connection piping valve mechanism which is provided in the exhaust connection piping; a plurality of seal mechanisms provided between the low pressure side of the balance piston and the atmosphere; and an exhaust piping allowing exhaust from between the plurality of seal mechanisms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.