An electronically speed controlled pulsed supersonic turbine engine energised by a clean breathable air from an extremely high pressure renewable energy air stored in mobile air-tank with outlet shaft coupled with automotive input power, or coupled with generator input shaft, with outlet shaft speed controlled in closed loop using electronically controlled pulse generator controller set to predetermined engine output shaft speed, sending short time electrical voltage pulses to fast-opening solenoid valve and spool valve assembly in the programmable amplitude, frequency, sequence and time duration, comprising:
- a. A large cylindrical air-tank with front flange and cylindrical extension in the rear with through centre-hole, thereby storing large amount of extremely high-pressure air, supporting an output shaft bearings and turbine bearings and supporting turbine and the output shaft rotation, comprising,
- 1. air-tank centre hole thereby supporting engine output shaft beaings and outlet shaft rotation within said centre hole with non-magnetic ring, and
- 2. an air-tank relief valve thereby preventing air overpressure in said extremely high-pressure air tank, and
- 3. a air-tank front end flange thereby supporting bolted magnetic sensor and electronic pulse generator and connecting with bolts to said automotive structural chassis, supporting engine to the chassis, and
- 4. air-tank Inlet port with high pressure shutoff valve, thereby controlling charging of the air-tank with extremely high pressure air from auxilliary high capacity external air-tank, and
- 5. eight air-tank outlet ports thereby said connecting pipes connected to eight control solenoid valves, controlling the airflow to the engine, and
- 6. air-tank rear cylindrical extension, thereby supporting turbine bearings, and
- b. eight De Laval convergent-divergent CD nozzle systems, each connected to a solenoid valve and spool valve assembly, thereby high pressure air from air-tank is provided to each at sequential timing, each comprising:
- 1. a convergent manifold chamber connecting between the spool valve outlet port and the choking nozzle, whereas the high pressure convergnce manifold chamber airflow is at subsonic speed, and
- 2. a choked nozzle with precision diameter connecting between the convergence manifold chamber and downstream to the divergence manifold chamber, whereas airflow speed through the choking nozzle is kept at sonic M=1 at speed of sound, and
- 3. a divergence manifold chamber connecting between the choking nozzle and turbine outer shroud flow adaptor wherein airflow speed is accelerating to supersonic with Mach number larger than 1 when leaving the choking nozzle, while being limited to M=1.2 to avoid shock, and
- c. a solenoid valve with inlet port connected to said air-tank and with outlet port connected to the spool valve command port, whereas the solenoid actuated by electric voltage pulse is a fast-opening and is connected to the command port of the spool valve, comprising:
- 1. a fast-opening magnetic solenoid energised by short duration voltage pulses from a pulse generator thereby opening said valve for a very short time, flowing to command port of the spool valve, and
- 2. a solenoid plunger with a conical poppet sealing surface, thereby the conical poppet provides a tight seal against the sealing seat, and
- 3. a solenoid valve body with an inlet port connected to said tank air and with an outlet port connected to spool valve command port, and,
- 4. a solenoid valve helical spring, thereby said helical spring pushes said solenoid plunger to move to closed position, keeping valve in a sealed closed position when solenoid in not energised, and
- 5. a solenoid valve inlet port connected to said air tank, and
- 6. a solenoid valve outlet port connected to said spool valve command port thereby when solenoid valve in open position, it provide pressurised air to spool valve command port to move said spool valve cylindrical spool to open position, and
- e. a spool valve with command port connected to the solenoid valve outlet inlet port connected to air tank and outlet port connected to said convergence chamber manifold, comprising:
- 1. a spool valve body with a spool valve bore, spool valve command port inlet, spool valve command port outlet, spool valve inlet port and spool valve outlet port, comprising
- 2. a spool valve cylindrical spool with axial centre through hole, wherein said spool is sliding axially inside said spool bore to open position under command port pulse pressure from said solenoid valve outlet port, and
- 3. a spool valve helical return spring between said spool and said bottom cover of said spool bore, thereby said spring applying axial force on said cylindrical spool, pushing it back to closed position, and
- 4. a spool valve inlet command port connected axially into said spool bore upper side and to the outlet port of said solenoid control valve, thereby applying a fast short duration pressurised air axial force on upper side of the spool valve cylindrical spool for a rapid move to spool valve open position, and,
- 5. a spool valve inlet port connected to said air tank connecting pipe, thereby connected to the high pressure source air-tank, and,
- 6. a spool valve outlet port connected to said convergence manifold chamber, whereas the spool valve providing high pressure air flow at open position into convergence manifold chamber at subsonic speed, and
- f. 16 turbine blades with an helical pattern bolted around the inner shroud and nose assembly with close radial proximity to an turbine outer shroud, whereas said turbine blades are turning under supersonic airflow speed impulse converting airflow speed to turbine rotation at a controlled speed with said nose is coupled with said output shaft to transfer turbine rotary motion to output shaft, and
- g. a turbine inner shroud and nose assembly with multiple radial inner fins bolted to to engine outlet power shaft and supporting turbine ball bearing outer diameter, whereas the turbine ball bearing inner diameter is mounted to air-tank rear cylindrical extension, and turbine rotation speed is same as output shaft rotation speed, and h. a turbine outer shroud flow adaptor bolted to divergence manifold chamber outer diameter and to turbine divergence shroud, and
- i. a turbine divergence shroud bolted to the turbine outer shroud flow adaptor, wherein airflow exiting turbine blades at low ambient atmosphere pressure, and
- j. an electronic pulse generator speed control system of the engine output shaft, whereas the engine output shaft speed is controlled in a closed loop by electronic pulse generator controller and engine out shaft speed sensor with non-magnetic ring with embedded magnets mounting on the engine output shaft, comprising:
- 1. a non-magnetic ring with embedded magnets bolted radially to the engine outlet shaft, thereby the non-magnet ring with embedded magnets rotates at the same speed of the engine output shaft while in close proximity to the magnetic sensor
- 2. a magnetic sensor bolted to the air tank front flange, wherein the magnetic sensor includes reed switch that produces electrical signal to the electronic pulse gnerator when a rotating magnet of the non-magnetic ring with embedded magnets is passing in close proximity and
- 3. an electronic pulse generator controller bolted to the air-tank front flange, wherein said pulse generator controller is programmable to produce an electrical voltage pulses of predetermined amplitude, time duration, frequency and synchronisation between the solenoid valves
- 4. reed switches sensors that are bolted to said air tank front flange, thereby producing electrical signal for controlling the speed of said output shaft in closed loop.