Fire control unit

Claim 1

A FIRE CONTROL UNIT COMPRISING A PRESSURIZABLE CONTAINER HAVING A FRANGIBLE PORTION, THERMALLY ACTUATED MEANS FOR RUPTURING SAID FRANGIBLE PORTION, A PASSAGEWAY ADAPTED TO PROVIDE COMMUNICATION BETWEEN A PORTION OF THE CONTAINER IN WHICH FIRE RETARDANT MATERIAL IS TO BE PLACED AND SAID FRANGIBLE PORTION, AND MEANS FOR CONTROLLING THE DISCHARGE PATTERN OF THE FIRE RETARDANT MATERIAL, SAID MEANS COMPRISING A GENERALLY HOLLOW MEMBER HAVING AN OPENING AT EACH END THEREOF ONE OF WHICH IS SMALLER THAN THE OTHER, THE SMALLER OF SAID OPENINGS BEING IN JUXTAPOSITION WITH SAID FRANGIBLE PORTION TO RECEIVE ANY FIRE RETARDANT MATERIAL DISCHARGE THERETHROUGH UPON THE RUPTURE THEREOF, AND AN INNER SURFACE A PORTION OF WHICH HAS A CROSS-SECTIONAL AREA WHICH INCREASES IN A SUBSTANTIALLY UNIFORM MANNER FROM A POINT NEAR THE SMALLER OF SAID OPENINGS TO A POINT NEAR THE LARGER OF SAID OPENINGS, SAID INNER SURFACE HAVING A FIRST PORTION LYING SUBSTANTIALLY WITHIN A FIRST PLANE THE EXTENSION OF WHICH FORMS AN INCLUDED ANGLE OF 10 DEGREES OR LESS WITH A SECOND PLANE, SAID SECOND PLANE BEING SUBSTANTIALLY PERPENDICULAR TO A THIRD PLANE IN WHICH LIES THE PERIPHERY OF THE LARGER OF THE OPENINGS OF SAID HOLLOW MEMBER, SAID INNER SURFACE ALSO HAVING A SECOND PORTION ANGULARLY DISPLACED APPROXIMATELY 180 DEGREES FROM SAID FIRST PORTION AND LYING A FOURTH PLANE THE EXTENSION OF WHICH FORMS AN INCLUDED ANGLE BETWEEN 35 AND 55 DEGREES WITH SAID SECOND PLANE AND AN INCLUDED ANGLE EQUAL TO OR GREATER THAN 35 DEGREES WITH SAID FIRST PLANE, AND AN ADJUSTABLE ELONGATED MEMBER WHICH IS POSITIONED WITHIN AND SPACED APART FROM SAID INNER SURFACE AND WHICH IS MOUNTED SUBSTANTIALLY PARALLEL TO SAID SECOND PLANE.