Seal lubrication for rotary engines

Claim 1

A ROTARY MECHANISM COMPRISING IN COMBINATION AN OUTER BODY HAVING AXIALLY SPACED END WALLS AND A PERIPHERAL WALL INTERCONNECTING SAID END WALLS TO DEFINE A CAVITY IN SAID OUTER BODY; AN INNER BODY DISPOSED WITHIN SAID OUTER BODY FOR ROTATION RELATIVE TO SAID OUTER BODY, SAID INNER BODY HAVING AXIALLY SPACED END FACES IN SEALING ENGAGEMENT WITH SAID END WALLS AND A PLURALITY OF CIRCUMFERENTIALLY SPACED APEX PORTIONS IN SEALING ENGAGEMENT WITH THE INNER SURFACE OF SAID PERIPHERAL WALL, SAID INNER BOBY DEFINING WITH SAID OUTER BODY A PLURALITY OF WORKING CHAMBERS WHICH VARY IN VOLUME ON RELATIVE ROTATION OF SAID BODIES WITH CYCLICAL VARIATION BETWEEN HIGHER AND LOWER PRESSURES IN EACH OF SAID WORKING CHAMBERS DURING ROTATION; SAID OUTER BODY HAVING AN OIL RESERVOIR SAID OIL DISCHARGE PASSAGE MEANS COMMUNICATING BETWEEN SAID RESERVOIR AND SAID WORKING CHAMBERS AND A PISTON BORE COMMUNICATING BETWEEN SAID RESERVOIR AND SAID WORKING CHAMBERS; A RESILIENTLY LOADED RECIPROCABLE PISTON DISPOSED WITHIN SAID BORE AND HAVING AT ONE END A WORKING FACE EXPOSED TO SAID CHAMBERS; SAID PISTON HAVING AT THE OTHER END A VALVE PLATE DISPOSED WITHIN SAID RESERVOIR AND NORMALLY CLOSING SAID OIL DISCHARGE PASSAGE FROM SAID RESERVOIR; SAID VALVE PLATE HAVING ON THE SIDE FACING SAID OIL DISCHARGE PASSAGE AN ANNULAR RECESS IN COMMUNICATION WITH SAID PASSAGE WHEN SAID VALVE IS CLOSED; SAID PISTON AND VALVE PLATE BEING RESPONSIVE TO SAID RELATIVE ROTATION AND TO SAID HIGHER PRESSURE PORTION OF SAID CYCLE TO OPEN SAID DISCHARGE PASSAGE TO SAID RESERVOIR AND TO DISPLACE OIL FROM SAID RESERVOIR TO PROVIDE A FIRST DISCHARGE THROUGH SAID PASSAGE OF SAID DISPLACED OIL, SAID PISTON AND VALVE PLATE BEING FURTHER RESPONSIVE TO SAID RELATIVE ROTATION AND TO SAID LOWER PRESSURE PORTION OF SAID CYCLE TO CLOSE SAID PASSAGE FROM SAID RESERVOIR AND TO PROVIDE A SECOND DISCHARGE THROUGH SAID PASSAGE OF OIL FROM SAID RECESS.