Air-elimination device

Claim 1

IN A WATER HEADER ADAPTED TO BE CONNECTED BETWEEN THE OUTLET OF A BOILER OR THE LIKE AND A WATER SUPPLY SYSTEM FOR EXTERNAL HEATING ELEMENTS TOGETHER WITH A COMPRESSION TANK, THE COMBINATION WHICH COMPRISES, AN INLET OPENING ADAPTED TO BE CONNECTED TO SAID OUTLET, A VERTICAL OUTLET OPENING AND A HORIZONTAL OUTLET OPENING ADAPTED TO BE CONNECTED TO SAID EXTERNAL HEATING ELEMENT SUPPLY SYSTEM, THE CROSS-SECTIONAL AREA ADJACENT SAID INLET OPENING BEING INCREASED FOR EFFECTING A PRESSURE REDUCTION AS WATER ENTERS SAID HEADER, MEANS INCLUDING A VERTICALLY EXTENDING BAFFLE DISPOSED BETWEEN THE INLET OPENING AND THE OUTLET OPENINGS IN FACING RELATIONSHIP WITH THE INLET OPENING, SAID BAFFLE EXTENDING BELOW THE TOP OF SAID INLET OPENING AND INTO THE PATH OF WATER FLOW THROUGH SAID INLET OPENING, SAID BAFFLE AND INCREASED CROSS-SECTIONAL AREA DEFINING AN AIR TRAP POCKET BETWEEN THE AIR TRAP OPENING AND THE BAFFLE, AT LEAST ONE AIR OUTLET PORT FORMED IN THE HEADER ADJACENT THE TOP OF THE AIR TRAP POCKET AND ADAPTED TO BE CONNECTED TO SAID COMPRESSION TANK SO THAT AIR BLED OFF AND TRAPPED IN THE POCKET MAY BE DIRECTED TO THE COMPRESSION TANK PRIOR TO PASSAGE OF THE WATER PAST THE BAFFLE AND SAID WATER THEREAFTER BEING DIRECTED TO AT LEAST ONE OF SAID EXTERNAL HEATING ELEMENT SUPPLY OUTLET OPENINGS.