| 20110262269 | VALVES FOR GAS-TURBINES AND MULTIPRESSURE GAS-TURBINES, AND GAS-TURBINES THEREWITH - A multiport valve suitable for use with a gas-turbine allowing switching of a mode of gas-turbine operation between a Brayton cycle and an inverse Brayton cycle, and a gas-turbine configured to switch between a high-pressure operation mode according to a Brayton cycle and a low-pressure operation mode according to an inverse Brayton cycle employing the valve are provided. Also provided are a method and apparatus for operating a gas-turbine according to an inverse Brayton cycle. | 10-27-2011 |
