Ejector mechanism

Claim 1

FOR USE IN EJECTING PACKAGES OF COUNTER DETECTION MATERIAL FROM AIRCRAFT, AN EJECTOR MECHANISM INCLUDING A PACKAGE EJECTION CHAMBER HAVING AN EJECTION OPENING ON ONE SIDE AND AN INLET PORT ON THE OPPOSITE SIDE, A GAS OPERATED VALVE ASSEMBLY COMPRISING A HOUSING DEFINING AN ELONGATED PASSAGE HAVING ONE END TERMINATING AT SAID INLET PORT AND THE OTHER END HAVING A COMPRESSED GAS INLET APERTURE, A SLIDE PISTON SLIDABLY RECEIVED IN SAID PASSAGE ADJACENT THE INLET PORT, SAID SLIDE PISTON PROVIDING AN INNER ENLARGED END PORTION AND AN ELONGATED THIN OUTER PORTION TO RECIPROCATE THROUGH SAID INLET PORT, A FLOW PASSAGE EXTENDING THROUGH THE SLIDE PISTON, MEANS TO SEAL SAID FLOW PASSAGE WHEN THE SLIDE PISTON IS IN THE CLOSED POSITION, SAID MEANS AND SLIDE PISTON MOVING TOWARDS THE EJECETION OPENING IN UNISON AS GAS FROM SAID GAS INLET APERTURE ACTS ON THE SURFACES THEREOF, FURTHER MEANS FOR ARRESTING THE MOVEMENT OF SAID MEANS TO SEAL TOWARD THE EJECTION OPENING END OPENING THE FLOW PASSAGE AS SAID THIN OUTER PORTION OF THE SLIDE PISTON CONTINUES MOVEMENT THROUGH THE INLET PORT IMPARTING INITIAL VELOCITY TO A PACKAGE IN THE JECTION CHAMBER, SAID GAS FLOWING THROUGH THE NOW OPEN FLOW PASSAGE CREATING A COMPRESSIVE FORCE TO IMPART TERMINAL VELOCITY OF THE PACKAGE TO EJECT IT OUTWARDLY THROUGH SAID EJECTION OPENING.