Sealing arrangement for rotary mechanisms

Claim 1

AN OIL SEAL CONSTRUCTION FOR A ROTARY MECHANISM COMPRISING AT LEAST ONE UNIT, SAID ROTARY MECHANISM UNIT HAVING AN OUTER BODY INCLUDING A PAIR OF SPACED END WALLS INTERCONNECTED WITH A PERIPHERAL WALL TO FORM A CAVITY, A SHAFT SUPPORTED FOR ROTATION IN SAID OUTER BODY AND HAVING AN ECCENTRIC PORTION THEREON, A ROTOR SUPPORTED FOR RELATIVE ROTATION ON SAID ECCENTRIC PORTION AND CARRYING APEX SEAL MEANS FOR SEALING ENGAGEMENT WITH THE INNER SURFACE OF SAID PERIPHERAL WALL AND SEAL MEANS IN EACH SIDE FACE THEREOF DISPOSED ADJACENT THE OUTER PERIPHERY OF SAID ROTOR FOR SEALING ENGAGEMENT WITH THE AXIAL FACING INNER SURFACE OF AN ASSOCIATED OUTER BODY END WALL, AND A PLURALITY OF WORKING CHAMBERS DEFINED BETWEEN THE INNER SURFACE OF SAID PERIPHERAL WALL AND THE OUTER PERIPHERAL SURFACE OF SAID ROTOR WHICH VARY IN VOLUME DURING RELATIVE ROTATION OF SAID ROTOR WITH SAID OUTER BODY, SAID OIL SEAL CONSTRUCTION COMPRISING; FIRST AND SECOND SEAL GROOVE MEANS CARRIED BY SAID SHAFT, SAID FIRST SEAL GROOVE MEANS INCLUDING A SEAL GROOVE DISPOSED ADJACENT EACH OUTER BODY END WALL AND SAID SECOND SEAL GROOVE MEANS INCLUDING A SEAL GROOVE DISPOSED ADJACENT EACH END WALL OF SAID ROTOR, FIRST OIL SEAL RING MEANS CARRIED BY SAID FIRST SEAL GROOVE MEANS FOR SEALING ENGAGEMENT BETWEEN THE INNER SURFACE OF EACH OF SAID OUTER BODY END WALLS AND THE WALLS OF SAID FIRST SEAL GROOVE MEANS AND SECOND OIL SEAL RING MEANS CARRIED BY SAID SECOND SEAL GROOVE MEANS FOR SEALING ENGAGEMENT BETWEEN THE INNER SURFACE OF SAID ROTOR END WALLS AND THE WALLS OF SAID SECOND SEAL GROOVE MEANS WHEREBY OIL IS PREVENTED FROM FLOWING INTO THE SPACES DEFINED BETWEEN SAID OUTER BODY, SAID ROTOR AND SAID SHAFT.