Air conditioning and refrigeration systems for use in automobiles

Claim 1

A REFRIGERATION AND AIR CONDITIONING APPARATUS FOR USE ON A GASOLINE POWERED VEHICLE HAVING A GASOLINE STORAGE TANK THEREON COMPRISING: A HEAT EXCHANGE TUBING COIL; A GASOLINE INLET CONDUIT EXTENDING INTO THE HEAT EXCHANGE COIL FROM ONE END THEREOF WITH THE GASOLINE INLET CONDUIT BEING ADAPTED FOR CONNECTION AT ITS END OUTSIDE THE HEAT EXCHANGE COIL TO THE GASOLINE STORAGE TANK OF THE AUTOMOBILE; AN AIR INDUCTION LINE OPEN TO THE ATMOSPHERE AT ONE OF ITS ENDS AND HAVING ITS OTHER END EXTENDED INTO THE HEAT EXCHANGE COIL AND TERMINATING IN SPACED RELATION TO THE END OF THE GASOLINE INLET CONDUIT INSIDE THE HEAT EXCHANGE COIL; A SOURCE OF VACUUM; VACUUM CONDUIT MEANS CONNECTING SAID SOURCE OF VACUUM TO THE HEAT EXCHANGE COIL FOR REDUCING THE PRESSURE WITHIN THE COIL OVER A MAJOR PORTION OF THE LENGTH OF THE COIL; A TRAP IN SAID VACUUM CONDUIT MEANS BETWEEN THE SOURCE OF VACUUM AND THE HEAT EXCHANGE COIL FOR TRAPPING LIQUID GASOLINE PULLED FROM THE HEAT EXCHANGE COIL THROUGH THE VACUUM CONDUIT MEANS TOWARD THE SOURCE OF VACUUM; AND A GASOLINE RETURN LINE CONNECTED BETWEEN THE TRAP AND THE GASOLINE STORAGE TANK ON THE AUTOMOBILE.