Compressor lubrication means

Claim 1

A FLUID COMPRESSOR, COMPRISING: MEANS DEFINING A CYLINDRICAL CAVITY HAVING END SURFACES AND A SIDE SURFACE; A ROTOR POSITIONED ECCENTRICALLY IN SAID CAVITY HAVING END SURFACES ENGAGING SAID END SURFACES OF SAID CAVITY, SAID ROTOR HAVING A SIDE SURFACE ECCENTRIC TO THE SIDE SURFACE OF SAID CAVITY AND DEFINING THEREWITH A COMPRESSION CHAMBER FOR FLUID; MEANS FORMING A SUCTION INLET TO SAID CHAMBER; MEANS FORMING AN EXIT FROM SAID CHAMBER; MEANS OPERATIVELY ASSOCIATED WITH SAID ROTOR FOR ROTATING SAID ROTOR IN A PRESELECTED DIRECTION; A BLADE MOUNTED IN SAID ROTOR FOR RADIALLY INWARD AND OUTWARD MOVEMENT, SAID BLADE HAVING END EDGES ENGAGING SAID CAVITY END SURFACES, A RADIALLY INNER PORTION, AND A RADIALLY OUTER PORTION SLIDABLY ENGAGING SAID CAVITY SIDE SURFACE; AND LUBRICANT DELIVERY MEANS INCLUDING A FIRST LUBRICATION PASSAGE OPENING THROUGH ONE OF SAID ROTOR END SURFACES RADIALLY INWARDLY OF SAID BLADE TO RECEIVE SAID RADIALLY INNER BLADE PORTION DURING ITS INWARD TRAVEL TO FORCIBLY PUMP LUBRICANT FROM SAID PASSAGE TO BETWEEN SAID ONE ROTOR END SURFACE AND THE CONFRONTING CAVITY END SURFACE, A SECOND LUBRICATION PASSAGE IN SAID ROTOR RADIALLY OUTWARDLY OF SAID FIRST LIBRICATION PASSAGE AND OPENING THROUGH ONE OF SAID ROTOR END SURFACES FOR DELIVERING LUBRICANT TO BETWEEN THAT ROTOR END SURFACE AND THE CONFRONTING CAVITY END SURFACE, A LUBRICANT SUMP IN COMMUNICATION WITH SAID FIRST PASSAGE DURING ONLY A FIRST PRESELECTED PORTION OF THE ROTATION OF SAID ROTOR, AND MEANS CONNECTING SAID FIRST AND SECOND LUBRICATION PASSAGES INCLUDING AN OUTWARDLY EXTENDING THIRD PASSAGE ARRANGED TO PUMP THE LUBRICANT CENTRIFUGALLY DURING SAID FIRST PRESELECTED PORTION OF THE ROTATION OF SAID ROTOR, SAID BLADE PUMPING LUBRICANT THROUGH SAID CONNECTING MEANS FROM SAID FIRST PASSAGE TO SAID SECOND PASSAGE DURING A SECOND, SUBSEQUENT PRESELECTED PORTION OF ROTATION FOR DELIVERY OF LUBRICANT UNDER PRESSURE TO BETWEEN SAID ROTOR AND CAVITY END SURFACES.