Regeneratively cooled gas turbines

Claim 1

A GAS TURBINE ENGINE COMPRISING COMPRESSOR MEANS, A COMBUSTION CHAMBER, AND TURBINE MEANS RECEIVING COMBUSTION GAS FROM SAID COMBUSTION CHAMBER AND INCLUDING A ROTOR HAVING A HOLLOW HUB PORTION CONTAINING A FIRST SET AND A SECOND SET OF AXIALLY-SEPARATE RADIALLYEXTENDING OPENINGS THEREIN RECEIVING AIR UNDER PRESSURE, STATIONARY BLADES OVERLAPPING A PORTION OF SAID ROTOR''S HOLLOW HUB PORTION, EXTENDING RADIALLY OUTWARD THEREFROM AND HAVING PASSAGES EXTENDING GENERALLY RADIALLY THERETHROUGH WITH THEIR INNER ENDS IN COMMUNICATION WITH SAID FIRST SET OF ROTOR HUB OPENINGS AND THEIR OUTER ENDS IN COMMUNICATION WITH SAID COMBUSTION CHAMBER, AND SAID ROTOR HAVING ROTARY BLADES PROJECTING OUTWARD THEREFROM ALONGSIDE SAID STATIONARY BLADES WITH PASSAGES EXTENDING GENERALLY RADIALLY THERETHROUGH HAVING THEIR INNER ENDS IN COMMUNICATION WITH SAID SECOND SET OF ROTOR HUB OPENINGS AND THEIR OUTER ENDS IN COMMUNICATION WITH SAID COMBUSTION CHAMBER.