Valve system for compression ignition device

Claim 1

IN A DEVICE ACTUATED BY THE ADIABATIC COMPRESSION AND IGNITION OF A LIQUID PROPELLANT INCLUDE A COMBUSTION CHAMBER, A BARREL CHAMBER, A VALVE CHAMBER COMMUNICATING SAID COMBUSTION CHAMBER WITH SAID BARREL CHAMBER, A COMPRESSION PISTON SLIDABLY MOUNTED IN SAID COMBUSTION CHAMBER, A VALVE SEAT FORMED BETWEEN SAID VALVE CHAMBER AND SAID BARREL CHAMBER, A VALVE SLIDABLY MOUNTED IN SAID VALVE CHAMBER, SAID VALVE HAVING A CONICAL NOSE PORTION NORMALLY POSITIONED AGAINST SAID VALVE SEAT SEALING SAID BARREL CHAMBER FROM COMMUNICATION WITH SAID COMBUSTION CHAMBER, SPRING MEANS NORMALLY URGING SAID NOSE PORTION OF SAID VALVE INTO SEALING ENGAGEMENT WITH SAID VALVE SEAT, A REARWARDLY EXTENDING STEM FORMED INTEGRAL WITH SAID VALVE, SAID SNUBBER MEANS MOUNTED IN SAID VALVE CHAMBER SURROUNDING SAID STEM OPERATIVE TO BUFFER REARWARD MOVEMENT OF SAID VALVE AND TO RETAIN SAID VALVE IN AN OPEN POSITION FOR A PREDETERMINED INTERVAL OF TIME.