Builtin vacuum cleaner

Claim 1

A VACUUM INSTALLATION COMPRISING A COLUMN, A PARTITION DISPOSED TRANSVERSELY OF THE COLUMN, AND CONSTITUTING THE BOTTOM OF A SEPARATING CHAMBER IN THE COLUMN, SAID PARTITION HAVING A PORT, AND MEANS PROVIDING A VALVE SEAT EXTERNALLY OF SAID CHAMBER ABOUT THE PORT, A RECEIVER SPACED BENEATH THE PORT AND HAVING A DRAIN PIPE CONNECTION, A VALVE FOR SAID PORT MOVABLE TO AND FROM THE SEAT, MEANS SUPPORTING THE VALVE FOR SUCH MOVEMENT, THE VALVE HAVING BIAS TOWARD AN OPEN POSITION AND BEING SUFFICIENTLY LIGHT AND IN SUFFICIENT PROXIMITY TO SAID CHAMBER TO BE CLOSED UPON ESTABLISHMENT OF PARTIAL VACUUM IN SAID CHAMBER, A BLOWER HAVING AN EXTERNAL OUTLET AND AN INLET CONNECTED WITH THE CHAMBER FOR ESTABLISHING PARTIAL VACUUM WITHIN THE CHAMBER, A VACUUM INLET PIPE LEADING INTO THE CHAMBER, A WATER SUPPLY PIPE FOR DELIVERING WATER TO THE SEPARATING CHAMBER AND HAVING A CONTROL VALVE PROVIDED WITH OPERATIVE CONNECTIONS FOR ADMITTING WATER CONSEQUENT UPON THE OPERATION OF SAID BLOWER, THE CHAM-