Drycleaner apparatus

Claim 1

IN A DRY CLEANING MACHINE, A STORAGE TANK FOR HOLDING LIQUID SOLVENT, A PUMP HAVING AN OUTLET WITH TWO BRANCHES FOR MOVING LIQUID SOLVENT FROM SAID STORAGE TANK TO SAID OUTLET, A FILTER FOR CLEANING SOILS FROM SAID SOLVENT, SAID FILTER HAVING INLET MEANS AND OUTLET MEANS FOR CONVEYING SOLVENT THROUGH SAID FILTER, A FIRST DIVERTER VALVE INTERCONNECTING ONE OF SAID BRANCHES AND SAID INLET MEANS, A SECOND DIVERTER VALVE INTERCONNECTING THE OTHER OF SAID BRANCHES AND SAID OUTLET MEANS, A CHARGE TANK INCLUDING A BACKWASH BAG, CONDUIT MEANS PROVIDING A FLOW PATH FROM SAID FIRST DIVERTER VALVE TO SAID BACKWASH BAG, A TUB FOR CONTAINING FABRICS TO BE CLEANED BY SAID LIQUID SOLVENT, MEANS INCLUDING A PLURALITY OF CONDUITS INTERCONNECTING SAID SECOND DIVERTER VALVE AND SAID TUB AND SAID SECOND DIVERTER VALVE AND SAID STORAGE TANK AND ADAPTED TO ALTERNATELY DIRECT LIQUID SOLVENT FROM SAID SECOND DIVERTER VALVE INTO SAID TUB DURING A NORMAL WASH CYCLE OR INTO SAID STORASGE TANK DURING A FILTERING CYCLE, VALVE ACTUATING MEANS FOR CONDITIONING SAID DIVERTER VALVES WHEREBY SOLVENT FLOWS FROM SAID PUMP THROUGH SAID FIRST DIVERTER VALVE, SAID FILTER AND THEN SAID SECOND DIVERTER VALVE DURING A WASH CYCLE AND FILTRATION CYCLE, SAID VALVE ACTUATING MEANS ALSO BEING ADAPTED TO CONDITION SAID DIVERTER VALVES TO EFFECT FLOW OF SOLVENT THROUGH SAID SECOND DIVERTER VALVE, SAID FILTER, SAID FIRST DIVERTER VALVE AND THEN INTO SAID BACKWASH BAG DURING A BACKWASH CYCLE FOR CLEANING SAID FILTER, SAID BACKWASH BAG BEING EFFECTIVE TO EXTRACT SOLIDS WASHED FROM THE FILTER DURING THE BACKWASH CYCLE.