An assembly for a turbomachine comprising: a compressor , an isochoric combustion chamber , said isochoric combustion chamber comprising: an intake valve , said intake valve being movable between: an open position, in which the intake valve authorizes the intake of a fluid coming from the compressor towards the isochoric combustion chamber , and a closed position, in which the intake valve prevents the intake of a fluid coming from the compressor towards the isochoric combustion chamber , and a discharge valve , said discharge valve being movable between: an open position, in which the discharge valve authorizes the discharge of a fluid coming from the isochoric combustion chamber , and a closed position, in which the discharge valve prevents the discharge of a fluid coming from the isochoric combustion chamber , an isobaric combustion chamber configured to receive a fluid discharged from the isochoric combustion chamber , and a turbine configured to receive a fluid coming from the isobaric combustion chamber . a compressor , an isochoric combustion chamber , said isochoric combustion chamber comprising: an intake valve , said intake valve being movable between: an open position, in which the intake valve authorizes the intake of a fluid coming from the compressor towards the isochoric combustion chamber , and a closed position, in which the intake valve prevents the intake of a fluid coming from the compressor towards the isochoric combustion chamber , and a discharge valve , said discharge valve being movable between: an open position, in which the discharge valve authorizes the discharge of a fluid coming from the isochoric combustion chamber , and a closed position, in which the discharge valve prevents the discharge of a fluid coming from the isochoric combustion chamber , an isobaric combustion chamber configured to receive a fluid discharged from the isochoric combustion chamber , and a turbine configured to receive a fluid coming from the isobaric combustion chamber . an open position, in which the intake valve authorizes the intake of a fluid coming from the compressor towards the isochoric combustion chamber , and a closed position, in which the intake valve prevents the intake of a fluid coming from the compressor towards the isochoric combustion chamber , and a discharge valve , said discharge valve being movable between: an open position, in which the discharge valve authorizes the discharge of a fluid coming from the isochoric combustion chamber , and a closed position, in which the discharge valve prevents the discharge of a fluid coming from the isochoric combustion chamber , an isobaric combustion chamber configured to receive a fluid discharged from the isochoric combustion chamber , and a turbine configured to receive a fluid coming from the isobaric combustion chamber . an open position, in which the discharge valve authorizes the discharge of a fluid coming from the isochoric combustion chamber , and a closed position, in which the discharge valve prevents the discharge of a fluid coming from the isochoric combustion chamber , an isobaric combustion chamber configured to receive a fluid discharged from the isochoric combustion chamber , and a turbine configured to receive a fluid coming from the isobaric combustion chamber . <EOS>