Oil mist recovery apparatus

Claim 1

Apparatus for effecting separation of oil mist from a carrier air stream and reclamation of the separated oil comprising, a substantially rectangular casing, an oil collecting pan constituting the bottom of said casing, an oil drain means for the pan, a vertical partition member dividing the interior, upper part of the casing into a centrifuge chamber having lines of force operable about a horizontal axis and a vertically operable filter chamber, said partition member having a bottom edge terminated above and in vertical spaced relation with the collecting pan, a tangential oil mist ladened air inlet pipe communicating with the upper end portion of the centrifuge chamber, said centrifuge chamber having its lower portion in open communication with the oil pan, a horizontal, primary oil filter positioned across the bottom of the filter chamber on a level with the bottom end of the partition member, a secondary oil filter positioned across the filter chamber above the primary oil filter, an aperature formed through the partition member beside the secondary oil filter, an air exhaust conduit in communication with the filter chamber through said aperature, said conduit extending horizontally through the central part of the centrifuge chamber and projected through and beyond the casing, and air exhaust means connected to said conduit.