Carburetor

Claim 1

A CARBURETOR FOR AN INTERNAL COMBUSTION ENGINE COMPRISING A MIXTURE CONDUIT HAVING AN OUTLET PORTION ADAPTED TO BE MOUNTED ON AN ENGINE INTAKE MANIFOLD, A THROTTLE VALVE IN SAID CONDUIT OUTLET PORTION, MEANS FORMING AN IDLE FUEL SYSTEM IN SAID CARBURETOR AND INCLUDING AN IDLE PORT OPENING INTO SAID MIXTURE CONDUIT POSTERIOR TO SAID THROTTLE VALVE TO DISCHARGE FUEL INTO SAID CONDUIT, AN INTERNALLY THREADED PASSAGE IN SAID CONDUIT OUTLET PORTION CONNECTING SAID IDLE PORT TO THE EXTERIOR OF SAID CARBURETOR, A COMBINED HOT IDLE COMPENSATOR AND DEGASSER DEVICE COMPRISING AN ELONGATED BODY HAVING ONE INNER END IN THREADED ENGAGEMENT IN SAID PASSAGE AND ANOTHER PORTION THEREOF EXTENDING OUTSIDE SAID MIXTURE CONDUIT OUTLET PORTION, A CONICAL TIP ON SAID INNER END OF SAID BODY IN REGISTRY WITH SAID IDLE PORT, AN AIR PASSAGE IN SAID BODY EXTENDING AXIALLY THERETHROUGH AND HAVING FIRST AND SECOND AIR INLET PORTS IN SAID OTHER BODY PORTION OPENING OUTSIDE SAID CARBURETOR AND AN AIR OUTLET PORT CONNECTED TO SAID THREADED PASSAGE TO SUPPLY AIR TO SAID INTERNALLY THREADED PASSAGE, A CHECK VALVE MEANS IN SAID AXIALLY EXTENDING AIR PASSAGE NORMALLY CLOSING SAID FIRST AIR INLET PORT AND RESPONSIVE TO SUCTION POSTERIOR OF SAID THROTTLE VALVE IN SAID AIR PASSAGE TO LEAN OUT THE IDLE FUEL MIXTURE SUPPLIED TO THE ENGINE DURING DECELERATION, A VALVE NORMALLY CLOSING SAID SECOND INLET PORT TO CONTROL AIR FLOW THROUGH SAID SECOND AIR INLET PORT, AND MEANS OUTSIDE SAID CARBURETOR AND FIXED TO THE EXPOSED SURFACE OF SAID OTHER BODY PORTION RESPONSIVE TO AN INCREASE IN AMBIENT TEMPERATURE TO OPEN SAID AIR CONTROL VALVE TO LEAN OUT THE IDLE FUEL MIXTURE SUPPLIED TO THE ENGINE.