Patent ID: 9195238
Filing Date: 2015-11-24
Classification: A47L,B08B,C02F,E01H,E03F,G05D,Y10T

Abstract:
1. A waste water handling system, comprising: a vessel having a first chamber and a second chamber below the first chamber, the first chamber having a waste intake port coupleable to a source of waste fluid, and a vacuum outlet port coupleable to a vacuum source, the second chamber having a pressure port coupleable to at least one of ambient pressure or a pressure source; a chamber divider sealably positioned between the first and second chambers; a chamber connecting passage connected in fluid communication with the first and second chambers; a connecting passage valve positioned in the chamber connecting passage, the connecting passage valve having an open state and a closed state; a first chamber valve coupled between the first and second chambers, the first chamber valve being changeable between an open state when a pressure in the first chamber meets or exceeds a pressure in the second chamber, and a closed state when a pressure in the second chamber exceeds a pressure in the first chamber; and a second chamber valve coupled to the second chamber, the second chamber valve having an entrance in fluid communication with the second chamber, the second chamber valve further having an exit, the second chamber valve being changeable between an open state when a pressure at the entrance meets or exceeds a pressure at the exit, and a closed state when a pressure at the exit exceeds a pressure at the entrance.