Diffuser unit for waste products treatment apparatus

Claim 1

A DIFFUSER UNIT FOR INTRODUCING A TREATMENT FLUID INTO THE SUBSTANTIALLY LIQUID WASTE PRODUCTS CONTAINED WITHIN A WASTE DISPOSAL TANK, SAID DIFFUSER UNIT COMPRISING A MANIFOLD ADAPTED TO BE MOUNTED ON SAID TANK ADJACENT THE TOP THEREOF IN SPACED RELATIONSHIP ABOVE THE UPPER LEVEL OF SAID LIQUID WASTE PRODUCTS AND TO BE OPERABLY COUPLED WITH A SOURCE OF TREATMENT FLUID UNDER PRESSURE, SAID MANIFOLD HAIVNG A PAIR OF GENERALLY VERTICALLY ALIGNED OPENINGS THEREIN; AN ELONGATED CONDUIT VERTICALLY SLIDABLY DISPOSED WITHIN SAID OPENINGS AND PROJECTING OUTWARDLY FROM SAID MANIFOLD IN OPPOSED DIRECTIONS, AND UPPER END LOWER MEANS IN ENGAGEMENT WITH SAID CONDUIT FOR SEALING SAID OPENINGS, SAID CONDUIT BEING SLIDABLE IN CONTACT WITH SAID SEALING MEANS FROM AN UPPER RETRACTED POSITION OUT OF THE WASTE PRODUCTS DOWNWARDLY INTO A LOWER OPERATIVE POSITION WITHIN SAID WASTE PRODUCTS, SAID CONDUIT HAVING AN APERTURE ADJACENT THE NORMALLY UPPERMOST END THEREOF, SAID APERTURE BEING DISPOSED BETWEEN SAID UPPER AND LOWER SEALING MEANS IN FLUID COMMUNICATION WITH SAID MANIFOLD ONLY WHEN SAID CONDUIT IS IN SAID OPERATIVE POSITION; AND A PERFORATED DIFFUSER HEAD SECURED TO SAID CONDUIT AT THE NORMALLY LOWERMOST END THEREOF AND DISPOSED IN FLUID COMMUNICATION THEREWITH, SAID DIFFUSER HEAD BEING SHIFTABLE WITH SAID CONDUIT AND BEING DISPOSED ADJACENT THE BOTTOM OF SAID TANK WHEN SAID CONDUIT IS IN SAID OPERATIVE POSITION AND BEING DISPOSED OUT OF AID WASTE PRODUCTS WHEN SAID CONDUIT IS IN SAID RETRACTED POSITION, WHEREBY FLUID IS DELIVERED TO THE WASTE PRODUCTS THROUGH THE PERFORATION IN SAID DIFFUSER HEAD WHEN THE CONDUIT IS IN SAID OPERATIVE POSITION AND SAID DIFFUSER IS IN AN EASILY ACCESSIBLE LOCATION WHEN THE CONDUIT IS IN SAID RETRACTED POSITION.