Patent ID: 6860474
Filing Date: 2005-03-01
Classification: B01F

Abstract:
1. An agitator drive apparatus for agitating and injecting gas into a liquid in a mixing vessel, comprising: a first housing; a second housing coupled to said first housing; a shaft having a first end and a second end, wherein said shaft is rotatably coupled to said first housing and said shaft extends from said first housing into said second housing; a pair of mounting bellows that extend between said second housing and the mixing vessel, wherein said pair of mounting bellows attach said second housing to the mixing vessel, wherein said shaft has an inner bore extending from said second end at least partially to said first end and said shaft has a plurality of air ports positioned on a portion of said shaft disposed within said second housing, wherein said air ports are in communication with said inner bore, and wherein said second housing comprises a first seal for providing sealing engagement between said first housing, said second housing and said shaft and a second seal for providing sealing engagement between said second housing, said shaft and the mixing vessel.