Apparatus for removal of oil films from water

Claim 1

Apparatus for collecting light liquid from the surface of a body of water, said apparatus comprising an elongate chamber vertically arranged between the fuselages of a twinfuselage ship, an upper end of said chamber pivotably supported for swing movement in a direction parallel to an elongate axis of the fuselages with the lower end provided with float means for floatable support on the surface of water, inlet opening means in the lower end of the chamber in the direction of swinging movement, weir means pivotably connected to the lower edge of said inlet opening constructed and arranged to provide an adjustable lower edge for said inlet opening; horizontal plate means defining the upper edge of said inlet opening, said plate being inclined upwardly in the direction faced by said inlet opening and being spaced above said weir means, a perforate plate horizontally arranged within said chamber near the bottom thereof, pump and conduit means for removing water from said chamber, an inlet end of said conduit being located in said chamber beneath said perforate plate above the bottom of the chamber, pump and conduit means for removing oil from said chamber, an inlet end of said conduit being located in said chamber above the perforate plate and beneath the upper end of said chamber.