Bearing assembly

Claim 1

A GAS TURBINE ENGINE COMPRISING AN ENGINE CASING, COMPRESSOR MEANS, COMBUSTION EQUIPMENT, AND TURBINE MEANS ARRANGED, IN FLOW SERIES WITHIN SAID ENGINE AND TURBINE SHAFTING ON WHICH THE COMPRESSOR MEANS AND TURBINE MEANS ARE DRIVINGLY MOUNTED, A BEARING WITHIN WHICH THE SHAFTING IS MOUNTED, A ROTOR MEMBER MOUNTED INTERNALLY OF THE BEARING, THE ROTOR MEMBER BEING MOUNTED WITHIN AND DRIVEN BY THE SHAFTING AND HAVING A PASSAGE THERETHROUGH, SAID PASSAGE HAVING A LUBRICANT INLET AND A LUBRICANT OUTLET WHICH IS DISPOSED RADIALLY OUTWARDLY OF THE LUBRICANT INLET, DUCTING, BY MEANS OF WHICH THE LUBRICANT OUTLET MAY COMMUNICATE WITH THE BEARING, A STATIONARY LUBRICANT RESERVOIR MOUNTED WITHIN SAID SHAFTING AND MEANS INCLUDING SAID PASSAGE PERMITTING LUBRICANT TO PASS FROM THE LUBRICANT RESERVOIR TO TEH DUCTING ONLY WHEN THE ROTOR MEMBER IS IN AT LEAST ONE PREDETERMINED ANGULAR POSITION, WHEREBY A QUANTITY OF LUBRICANT IS CENTRIGUGALLY FORCED THROUGH THE SAID PASSAGE AND PASSES TO THE BEARING AT EACH REVOLUTION OF THE ROTOR MEMBER.