Turbocharger oil seal

Claim 1

IN A TURBOCHARGER COMPRESSOR OF THE TYPE WHEREIN A CENTRIFUGAL TYPE COMPRESSOR WHEEL IS ROTATED BY ROTATION OF A COMPRESSOR WHEEL SHAFT AND MEANS ENCLOSING THE COMPRESSOR WHEEL DEFINES A COMPRESSOR AREA ADJACENT THE WHEEL WHICH IS INTERMITTENTLY AT SUB-ATMOSPHERIC PRESSURE; THE COMBINATION WITH SAID SHAFT AND COMPRESSOR AREA OF: AN OIL LUBRICATED THRUST BEARING SUPPORTING SAID SHAFT EXTERIORLY OF BUT ADJACENT TO SAID COMPRESSOR AREA, AN ENCLOSING HOUSING FOR SAID THRUST BEARING, SAID SHAFT EXTENDING THROUGH A HOUSING WALL AND INTO THE COMPRESSOR AREA, OIL DEFLECTING ELEMENTS SUPPORTED WITHIN SAID HOUSING, SAID ELEMENTS BEING POSITIONED IN SPACED OVERLYING RELATION TO THE UPPER MARGINAL PORTION OF THE THRUST BEARING TO THEREBY PROVIDE A HOOD FOR COLLECTING AND DIRECTING DOWNWARDLY ANY OIL MOVING RADIALLY UPWARDLY FROM THE THRUST BEARING, A DEFLECTOR SUPPORTED ADJACENT SAID HOOD HAVING A PORTION EXTENDING ACROSS THE OPEN LOWER END OF SAID HOOD AND AWAY FROM THE OPENING IN SAID HOUSING THROUGH WHICH SAID SHAFT EXTENDS, A FLANGE ADAPTED TO ROTATE WITH SAID TURBOCHARGER SHAFT CLOSELY ADJACENT THE HOUSING WALL THROUGH WHICH SAID SHAFT EXTENDS AND EXTERIORLY OF THE HOOD FORMED BY SAID ELEMENTS, SAID ROTATING FLANGE SERVING TO FLING RADIALLY OUTWARDLY ANY OIL MOVING TO THE ADJACENT EXTERIOR SURFACE OF SAID HOOD, AND MEANS FOR VENTING TO ATMOSPHERE THE PORTION OF SAID HOUSING ABOVE SAID HOOD TO RELIEVE ANY PRESSURE DROP WITHIN THE HOUSING CAUSED BY THE EXISTENCE OF SUB-ATMOSPHERIC PRESSURE IN SAID COMPRESSOR AREA.