Patent ID: 7081206

Claim:
A filter apparatus for filtering contaminants from a fluid, said filter apparatus comprising: an inlet on said filter apparatus configured to receive said fluid into said filter apparatus; a centrifugal separator hydraulically connected to said inlet, said centrifugal separator having a rotor housing forming a rotor chamber and a rotor rotatably disposed inside said rotor chamber, said centrifugal separator configured to separate said fluid into a separated fluid and one or more classes of contaminated fluids; a chamber assembly having at least a first chamber for receiving and filtering said separated fluid and a second chamber for receiving and filtering at least one of said one or more classes of contaminated fluids to obtain a processed fluid, each of said first chamber and said second chamber having a filter element disposed therein; a base assembly interconnecting said centrifugal separator and said chamber assembly, said base assembly configured to selectively direct said separated fluid into said first chamber and said one or more classes of contaminated fluids to said second chamber; and an outlet on said filter apparatus configured to discharge said processed fluid from said filter apparatus.