having variable working fluid interconnections between turbines or compressors or stages of different rotors

Full Title

Gas-turbine plants characterised by the use of combustion products as the working fluid (generated by intermittent combustion F02C5/00) > having a turbine driving a compressor (power transmission arrangements F02C7/36; control of working fluid flow F02C9/16) > having variable working fluid interconnections between turbines or compressors or stages of different rotors