Gasoline air-hydropulse

Claim 1

A JET PROPULSION DEVICE ADAPTED FOR OPERATION THROUGH WATER, COMPRISING A DUCT HAVING AN INLET OPENING AND AN EXHAUST OPENING, AN AUTOMATIC PRESSURE-OPERABLE INLET VALVE LOCATED WITHIN THE DUCT FOR INTERMITTENTLY PASSING WATER ENTERING THE DUCT THROUGH THE INLET OPENING IN A DOWNSTREAM DIRECTION ONLY, A FUEL-AIR MIXING CARBURETOR HAVING AN OUTLET LEADING INTO A COMBUSTION CHAMBER, AN OPENING IN THE WALL OF THE DUCT BETWEEN SAID COMBUSTION CHAMBER AND THE DUCT, A RECESS IN THE INNER WALL OF THE DUCT ADJACENT SAID OPENING IN THE WALL, A FLAP VALVE POSITIONED AT THE LAST-MENTIONED OPENING AND BEING HINGED TO THE WALL OF THE DUCT AT THE UPSTREAM END OF THE FLAP VALUE SO THAT THE DOWNSTREAM PART OF THE FLAP VALVE MOVES INTO THE DUCT WHEN THE VALVE OPENS, SAID FLAP VALVE WHEN CLOSED LYING IN CONTINUITY WITH THE INSIDE WALL OF THE DUCT RECESS, AND BEING CAPABLE OF OPENING AND ADMITTING THE PRODUCTS OF COMBUSTION INTO THE DUCT WHEN THE PRESSURE WITHIN THE CHAMBER IS GREATER THAN THE PRESSURE IN THE DUCT, AND CLOSING TO PREVENT WATER FROM ENTERING SAID COMBUSTION CHAMBER FROM THE DUCT WHEN THE PRESSURE WITHIN THE CHAMBER IS LOWER THAN THE PRESSURE WITHIN SAID DUCT, FIRING MEANS LOCATED WITHIN SAID COMBUSTION CHAMBER FOR IGNITING SAID FUEL-AIR MIXTURE, SAID DUCT CONSTITUTING AN EXPANDION CHAMBER IN THE REGION ADJOINING SAID FLAP VALVE, THE ENERGIZING OF SAID FIRING MEANS CAUSING PRESSURIZED GASES TO ESCAPE THROUGH THE SAID FLAP VALVE INTO THE SAID EXPANSION CHAMBER AND FORCING THE MASS OF WATER WITHIN THE DUCT TOWARDS THE EXHAUST OPENING.