主权项 |
1. A liquid propellant engine (1; 50) comprising at least one combustor (2) comprising, in turn, a combustion chamber (5), an injection plate (6), an assembly (3) for feeding a combustible liquid and an assembly (4) for feeding an oxidising mixture, said feeding assemblies (3), (4) each comprising a respective pump (12), (27) and a respective turbine (16),(32) for driving said corresponding pump (12),(27); the engine (1;50) further comprising a combustible liquid heating circuit; the heating circuit (8) comprising an outlet port (11) for the heated combustible liquid, fluidly connected to an inlet mouth (18) of the turbine (16) of the combustible liquid feeding assembly (3); the turbine (16) of the combustible liquid feeding assembly (3) having an outlet (19) connected to the said injection plate (6) by means of a first pipe (21); the oxidising mixture feeding assembly (4) comprising an oxidising mixture forming burner (22), an outlet mouth (25) of the burner (22) being fluidly connected to an inlet mouth (34) of the turbine (32) of the oxidising mixture feeding assembly (4); said combustible liquid and oxidising mixture feeding assemblies being mechanically separate and independently controllable from each other; characterised in that the turbine (32) of the oxidising mixture feeding assembly has an outlet mouth (35) connected to the said injection plate (6) by means of a second pipe (37). |