Automatic sequence valve

Claim 1

AN AUTOMATIC SEQUENCE VALVE, INCLUDING A BODY HAVING A PRESSURE FLUID INLET AND FIRST AND SECOND OUTLETS, SAID OUTLETS BEING IN PARALLEL RELATION TO ONE ANOTHER, SAID BODY DEFINING A VALVE SEAT INTERMEDIATE SAID INLET AND SAID OUTLETS AND OPPOSITE SAID SEAT A CLOSED CYLINDRICAL CHAMBER, A PISTON VALVE RECEIVED IN SAID CHAMBER AND MOVABLE IN OPPOSITE DIRECTIONS THEREIN TO ENGAGE AND BE DISENGAGED FROM SAID SEAT TO DENY AND TO ALLOW FLOW OF PRESSURE FLUID FROM SAID INLET TO SAID OUTLETS, A STEM RECIPROCABLE IN SAID BODY AND CONNECTED TO SAID PISTON VALVE FOR OPERATION THEREOF, ANOTHER VALVE OPERABLE BY SAID STEM DURING PORTIONS OF THE MOVEMENT OF SAID PISTON VALVE TO OPEN AND CLOSE FLOW TO ONE OF SAID OUTLETS, SAID STEM OPENING SAID PISTON VALVE AND SAID OTHER VALVE DURING MOTION IN ONE SENSE AND CLOSING SAID PISTON VALVE AND SAID OTHER VALVE DURING MOTION IN AN OPPOSED SENSE, AND MEANS INTERPOSING A TIME DELAY IN THE MOTION OF SAID STEM IN A DIRECTION TO ENGAGE SAID PISTON VALVE WITH SAID SEAT.