Patent ID: 6116582
Filing Date: 2000-09-12
Classification: B01F

Abstract:
A mixer for mixing two fluids, said mixer comprising a container for receiving fluids, said container being provided with a cover, side walls and a bottom, a power source with a transmission shaft, a hollow rotor mounted on the transmission shaft and partially submerged in a first fluid in the container, said hollow rotor including a portion extending through and outside said cover, said rotor having a side surface and one end extending perpendicularly to said shaft within said first fluid and a second end outside said cover provided with an opening for supply of a second fluid into said hollow rotor, at least part of the side surface of the rotor being pervious to said second fluid for discharge of said second fluid into said first fluid in which said rotor is submerged, a fluid discharge tube connected to said container, and a liquid seal extending from said cover into said first fluid, said liquid seal being adjacent to and surrounding said rotor in a region of the rotor extending from said cover into said first fluid to cover a portion of said rotor extending out of said first fluid and a portion of said rotor which is submerged in said first fluid, said portion of the rotor extending outside said cover being substantially open to provide said opening for supply of said second fluid into the rotor.