Liquid fuel combustion apparatus

Claim 1

LIQUID FUEL COMBUSTION APPARATUS COMPRISING IN COMBINATION A SHEET METAL COMBUSTION CHAMBER, A CASING SURROUNDING SAID COMBUSTION CHAMBER IN SPACED RELATIONSHIP THERETO SO AS TO DEFINE THEREWITH AN AIR JACKET SURROUNDING SAID COMBUSTION CHAMBER WHICH IS PROVIDED AT ONE END WITH A CENTRAL OPENING FOR ADMITTING FUEL AND PRIMARY COMBUSTION AIR TO THE INTERIOR OF SAID COMBUSTION CHAMBER, A LIQUID FUEL BURNER SITUATED AT SAID END OF SAID COMBUSTION CHAMBER, AND PROVIDED WITH A DISCHARGE NOZZLE WHICH COMMUNICATES THROUGH SAID CENTRAL OPENING WITH THE INTERIOR OF SAID COMBUSTION CHAMBER, AN AIR SWIRLER PROVIDED WITH A PAIR OF SPACED ANNULAR DISCS WHICH ARE INTERCONNECTED BY A PLURALITY OF SPACED VANES, AND WHICH SURROUND SAID LIQUID FUEL BURNER WITH THE OUTER AND INNER PERIPHERAL PORTIONS OF THE SPACE BETWEEN SAID DISCS IN COMMUNICATION RESPECTIVELY WITH SAID AIR JACKET AND SAID CENTRAL OPENING IN ONE END OF SAID COMBUSTION CHAMBER SO THAT PRIMARY COMBUSTION AIR CAN FLOW FROM SAID AIR JACKET THROUGH SAID AIR SWIRLER TO THE INTERIOR OF SAID COMBUSTION CHAMBER, AND A HOLLOW BODY PART TO WHICH SAID AIR SWIRLER IS SECURED, AND IN WHICH SAID LIQUID FUEL BURNER IS MOUNTED IN SPACED RELATIONSHIP THERETO, THE SPACE BETWEEN SAID LIQUID FUEL BURNER AND SAID HOLLOW BODY PART BEING IN COMMUNICATION WITH THE INTERIOR OF SAID COMBUSTION CHAMBER, SAID HOLLOW BODY PART HAVING FORMED THEREIN AT LEAST ONE PASSAGE WHICH COMMUNICATES WITH SAID CENTRAL OPENING IN ONE END OF SAID COMBUSTION CHAMBER, AND THROUGH WHICH AN ALTERNATIVE AND GASEOUS FUEL CAN BE INTRODUCED INTO SAID COMBUSTION CHAMBER, AND SAID HOLLOW BODY PART ALSO HAVING FORMED THEREIN AT LEAST ONE OTHER PASSAGE THROUGH WHICH AIR FROM SAID AIR JACKET CAN FLOW AROUND SAID LIQUID FUEL BURNER AND INTO SAID COMBUSTION CHAMBER.