Air separator fitting for hydronic systems

Claim 1

IN A MULTIPLE PURPOSE AIR SEPARATOR FOR DIRECT INTERPOSITION IN A FORCED CIRCULATION HYDRONIC SYSTEM OF THE TYPE INCLUDING A BOILER OF EITHER THE SIDE OUTLET OR TOP OUTLET TYPE AND ALSO INCLUDING A BOOSTER PUMP AND PIPING CONNECTING THE BOILER, THE SEPARATOR AND THE BOOSTER PUMP IN SERIES, AND A COMPRESSION TANK CONNECTED FOR TRAPPING AIR SEPARATED FROM LIQUID IN SAID SYSTEM, SAID SEPARATOR INCLUDING A TANK HAVING OPENINGS THEREIN AND PROVIDING A VERTICALLY ELONGATED CHAMBER OF SUBSTANTIALLY GREATER FLOW CAPACITY THAN THE TOTAL OF SAID OPENINGS IN SAID TANK, SAID TANK HAVING SURROUNDING SIDE WALL STRUCTURE PROVIDED WITH AN INLET OPENING HORIZONTALLY THERETHROUGH FOR SUPPLYING LIQUID ENTRAINED WITH AIR HORIZONTALLY INTO SAID CHAMBER TO IMPINGE UPON AN OPPOSING PORTION OF SAID SIDE WALL STRUCTURE AND EFFECT A VELOCITY REDUCTION OF SAID LIQUID AS IT ENTERS SAID TANK TO ALLOW FOR SEPARATION OF ENTRAINED AIR AND A POOLING OF AIR FREE LIQUID WITHIN THE LOWER END OF SAID CHAMBER, SAID TANK HAVING A TOP WALL HAVING A LIQUID OUTLET OPENING AND AN AIR OUTLET OPENING AT OPPOSITE EXTREMITIES THEREOF AND HAVING A DIP TUBE IN SAID LIQUID OUTLET OPENING AND PROJECTING TO ADJACENT THE LOWER END OF SAID CHAMBER FOR DRAWING AIR FREE LIQUID POOLING WITHIN THE LOWER END OF SAID CHAMBER, AND SAID TANK HAVING A BOTTOM WALL HAVING AN OPENING TO SAID CHAMBER AND OPTIONALLY CONNECTABLE EITHER AS A LIQUID OUTLET FOR COMMUNICATION WITH AIR FREE LIQUID POOLING WITHIN THE LOWER END OF SAID CHAMBER OR AS A LIQUID INLET OPENING INTO SAID CHAMBER FOR SUPPLYING LIQUID ENTRAINED WITH AIR THEREINTO TO EFFECT A VELOCITY REDUCTION OF SAID LIQUID AS IT ENTERS SAID TANK AND THEREBY ALLOW FOR SEPARATION OF ENTRAINED AIR AND A POOLING OF AIR FREE LIQUID WITHIN THE LOWER END OF SAID CHAMBER FOR EXIT THROUGH SAID DIP TUBE, AND SAID SEPARATOR HAVING A TUBULAR FLOW REDUCING ELEMENT MOUNTED IN AND FORMING AN INTERNAL PASSAGE EXTENSION OF SAID BOTTOM WALL OPENING, SAID ELEMENT HAVING AN END WALL IN SAID CHAMBER AND SPACED FROM SAID BOTTOM WALL OPENING, AND SAID ELEMENT HAVING A MULTIPLICITY OF DIFFERENTLY DIRECTED TRANSVERSE HOLES OPENING INTO THE LOWER END OF SAID CHAMBER.