Snow liquefying device

Claim 1

A SNOW LIQUEFYING DEVICE INCLUDING A TANK HAVING BOTTOM, SAID END WALLS AND AN OPEN TOP AND A LIQUID OUTLET SPACED WITH RESPECT TO THE BOTTOM THEREOF; A FIRST HEAT EXCHANGER TUBE POSITIONED ACROSS SAID TANK IN SPACED RELATION TO THE BOTTOM THEREOF AND HAVING ONE END EXTENDING THROUGH ONE END WALL OF SAID TANK, A PAIR OF SECONDARY HEAT EXCHANGER TUBES EXTENDING ACROSS SAID TANK IN SPACED RELATION TO SAID FIRST HEAT EXCHAGER TUBE AND EACH HAVING ONE OF ITS ENDS CLOSED, SAID SECONDARY HEAT EXCHANGE TUBES BEING APERTURED IN THEIR LOWER PORTIONS, A TRANSVERSE HOLLOW HEAT EXCHANGER IN COMMUNICATION WITH THE OTHER END OF SAID FIRST HEAT EXCHANGER TUBE AND WITH THE OTHER ENDS OF SAID SECONDARY HEAT EXCHANGER TUBES, SAID FIRST AND SECOND ARY HEAT EXCHANGER TUBES POSITIONED BELOW SAID LIQUID OUTLET AND NORMALLY COVERED WITH WATER IN SAID TANK, A SOURCE OF AIR UNDER PRESSURE AND A FUEL SOURCE AN OIL BURNER MOUNTED ON THE END OF SAID FIRST HEAT EXCHANGER TUBE BEYOND THE WALL OF THE TANK AND MEANS CONNECTING SAID AIR PRESSURE SOURCE TO SAID FIRST HEAT EXCHANGER TUBE AND TO SAID OIL BURNER, AN OIL LINE HAVING A CONTROL VALVE THEREIN ESTABLISHING COMMUNICATION BETWEEN SAID FUEL SOURCE AND SAID OIL BURNER.