GB277090A - Improvements in internal combustion turbines - Google Patents

Abstract

277,090. Mely, J. June 8, 1926. Axial-flow type; working-fluid supply; regulating.-An internal-combustion turbine comprises two bladed rotors 16, 19 with an intermediate ring of stator blades 18, these rotors running at different speeds and having their shafts intergeared. The gases are fed to the turbine through a channel 12 and guide vanes 13, and are generated in a series of combustion chambers 8<a> - - 8<f>. The combustion chambers work in two groups of three, the cycles in the groups being interdependent and simultaneous. Each combustion chamber has a valve 6 for admitting the mixture, a valve 9 for delivering the burnt gases and valves 7, 10 for the admission and discharge respectively of scavenging air. The valve stems carry pistons working in cylinders, and by a system of pipes 29 containing compressed air the opening of the valve 9 caused by the explosion in one chamber affects the admission of mixture to another chamber by opening the valve 6, and the scavenging of a third chamber by opening the valves 7, 10. Compressed air for the mixture is led through a pipe 2 and mixed with liquid fuel supplied by a cock 34, Fig. 1. The fuel flows through an adjustable ported sleeve 64, Fig. 7, and is discharged on to an atomizing sieve 61 in the pipe 2 forming a poor mixture with the compressed air. Additional liquid fuel is injected past a valve 35 at the moment of admission to the combustion chamber, the valve 35 being opened by a conical cam on the valve 6. When the valve 6 is restored to its seat, its stem establishes contact between members 38<1>, 89 and current is transmitted to the sparking- plugs. Speed is controlled by regulating by means of a rheostat, an electric motor driving a - rotary distributor for the current. For stopping, after the explosions have ceased, a valve 32 is opened and compressed air from the pump is admitted to nozzles 31 so as to have a braking effect on the rotor blades.