| 发明名称 | Systems and methods for adjusting clearances in turbines | ||
| 摘要 | Embodiments of the invention can provide systems and methods for adjusting clearances in a turbine. According to one embodiment of the invention, there is disclosed a turbine system. The system may include one or more turbine blades; a turbine casing encompassing the one or more turbine blades; and a thermoelectric element disposed at least partially about the turbine casing, wherein the thermoelectric element expands or contracts the turbine casing by heating or cooling at least a portion of the turbine casing, thereby adjusting a clearance between the one or more turbine blades and the turbine casing. | ||
| 申请公布号 | US9057282(B2) | 申请公布日期 | 2015.06.16 |
| 申请号 | US201113302372 | 申请日期 | 2011.11.22 |
| 申请人 | General Electric Company | 发明人 | Chillar Rahul J.;Calleros Erwing;Rajesh Prabhakaran Saraswathi;Pena Ezio;Antoine Nicolas;Da-Costa Jose-Quintino |
| 分类号 | F01D11/24 | 主分类号 | F01D11/24 |
| 代理机构 | Sutherland Asbill & Brennan LLP | 代理人 | Sutherland Asbill & Brennan LLP |
| 主权项 | 1. A turbine system, comprising: one or more turbine blades; a turbine casing encompassing the one or more turbine blades; and a thermoelectric element disposed at least partially about an exterior of the turbine casing, wherein the thermoelectric element expands or contracts the turbine casing by heating or cooling at least a portion of the turbine casing thereby adjusting a clearance between the one or more turbine blades and the turbine casing, wherein the thermoelectric element comprises a Peltier element disposed between a cold sink and a heat sink, wherein the heat sink is in communication with a ventilation system. | ||
| 地址 | Schenectady NY US | ||