초록 ▼

A device for filtering sewer gases includes a main body member and lower and upper filter medium chambers. The lower chamber contain carbon as the filter medium and the upper chamber contains copper steel wool and a silver coil as a filter medium. An adapter member is fixed to the main body member f

A device for filtering sewer gases includes a main body member and lower and upper filter medium chambers. The lower chamber contain carbon as the filter medium and the upper chamber contains copper steel wool and a silver coil as a filter medium. An adapter member is fixed to the main body member for connection to a house sewer vent.

대표청구항 ▼

A device for filtering sewer gases, comprising: a main body member having an inner wall spanning between an open top adapted for connection to a vent top and an open bottom; lower and upper filter medium chambers disposed within the inner wall of the main body member, the lower chamber containing ca

A device for filtering sewer gases, comprising: a main body member having an inner wall spanning between an open top adapted for connection to a vent top and an open bottom; lower and upper filter medium chambers disposed within the inner wall of the main body member, the lower chamber containing carbon as a filter medium and the upper chamber containing copper steel wool as a filter medium; an adapter member fixed to the main body member open bottom and having walls adapted for connection to a house sewer vent; with the lower and upper filter medium chambers being vertically spaced within the main body member and separated by an air gap; with each said chamber formed by upper and lower, stainless steel, perforated bowls locating the filter media within the main body member; and with the bowls being fixed within the main body member by copper support rods.