Patent ID: 7841478

Claim:
A self-cleaning filter for a lubricant, the filter comprising: a body including a first end, a second end in opposition, and a plurality of longitudinal channels between the first end and the second end; a filtration media external to the body enclosing the plurality of longitudinal channels in contact with a rotating inlet cover plate at the first end, and a rotating outlet cover plate at the second end, wherein the inlet cover plate includes a plurality of entry openings, each in fluidic communication with a different longitudinal channel from the plurality of longitudinal channels, where an unfiltered lubricant is drawn into the different longitudinal channels and filtered out of the different longitudinal channels through the openings and through the filtration media and into an external cavity, leaving filtered debris within the longitudinal channel, wherein the outlet cover plate includes at least one drain opening in fluidic communication with a longitudinal channel without an entry opening for draining the filtered debris away from the longitudinal channel into a decanter; and a drive mechanism connected to a drive shaft and the inlet cover plate and the outlet cover plate alternately placing the drain opening in fluidic communication with each of the longitudinal channels.