Dry cleaning machine

Claim 1

A DRY CLEANING MACHINE COMPRISING A STORAGE TANK OPERATED UNDER ATMOSPHERIC PRESSURE FOR HOLDING CLEANING SOLVENT AND HAVING A COLD COMPARTMENT AND A WARM COMPARTMENT SEPARATED BY A PARTITION PROVIDED WITH A HOLE FOR COMMUNICATION, SAID COLD COMPARTENT HAVING AN EXHAUST PORT AND REFRIGERATING MEANS ADJACENT TO SAID EXHAUST PORT AND ALSO IN CONTACT WITH THE SOLVENT; A WASH CHAMEBR COMMUNICATING WITH SAID WARM COMPARTMENT BY MEANS OF A PIPE CONNECTION AND A VALVE, WHICH IS CLOSED AND OPERATED UNDER VACUUM; A WASH BASKET ROTATABLY MOUNTED WITHIN SAID WASH CHAMBER AND HAVING PERFORATE WALL; DRIVING MEANS ADAPTED TO ROTATE SAID WASH BASKET, SELECTIVELY, AT PREDETERMINED SPEEDS; ELECTRIC HEATING MEANS, MOUNTED ON SAID WASH BASKET, WITH THERMOSTATIC CONTROL; AN ELECTRIC SUPPLY FOR SAID HEATING MEANS; A PUMP ADAPTED TO CREATE VACUUM AND TO TRANSFER MIXTURES OF LIQUID SOLVENT, SOLVENT VAPOR AND AIR, THEREBY CAUSING THE CONDENSATION OF SAID VAPOR, THE INTAKE OF SAID PUMP HAVING A PIPE CONNECTION WITH THE LOWER PORTION OF SAID WASH CHAMBER FOR THE TRANSFER OF LIQUID SOLVENT FROM SAID CHAMBER, A SECOND PIPE CONNECTION WITH THE UPPER PORTION OF SAID CHAMBER FOR THE TRANSFER OF VAPOR FROM SAID CHAMBER, AND A THIRD PIPE CONNECTION WITH THE STORAGE TANK FOR RECEIVING LIQUID SOLVENT FOR MIXING WITH VAPOR RECEIVED FROM SAID CHAMBER FOR THE TRANSFER AND CONDENSATION OF SAID VAPOR; AN AIR SEPARATOR COMMUNICATING WITH THE OUTLET OF SAID PUMP AND HAVING A FLOAT VALVE AND PIPE CONNECTIONS ADAPTED TO DELIVER AIR AND VAPOR INTO SAID COLD COMPARTMENT AT THE LOW POSITION OF THE FLOAT, AND TO DELIVER LIQUID SOLVENT INTO THE STORAGE TANK AT THE HIGH POSITION OF SAID FLOAT.