Protective chamber puncture means for a submersible motor

Claim 1

A SUBMERSIBLE ELECTRIC MOTOR COMPRISING A TUBULAR SHELL, A STATOR ASSEMBLY CONTAINER WITHIN THE SAID SHELL, A LINER DISPOSED WITHIN SAID STATOR ASSEMBLY, SAID SHELL AND LINER EXTENDING BEYOND THE ENDS OF THE STATOR ASSEMBLY, RING MEMEBRS INSERTED BETWEEN THE ENDS OF SAID SHELL AND LINER, TAPER RINGS INSERTED WITHIN SAID RING MEMBERS SO THAT THE ENDS OF SAID LINER ARE SECURELY HELD BETWEEN THE RING MEMBERS AND TAPER RINGS, MEANS FOR PROVIDING A WATERPROOF SEAL BETWEEN SAID RING MEMBRS AND SAID SHELL AND LINER, A ROTOR AND ROTOR SHAFT ASSEMBLY DISPOSED IN SAID LINER, END CAPS POSITIONED ADJACENT SAID RING MEMBERS AND TAPER RINGS, SAID END CAPS HAVING BEARINGS IN WHICH SAID ROTOR SHAFT IS JOURNALLED, A PIERCING MEANS PROJECTING FROM ONE END OF SAID ROTOR SHAFT, AN OIL INJECTOR SECURED TO THE END CAP ADJACENT SAID PIERCING MEANS, SAID OIL INJECTOR INCLUDING A CUP-SHAPED HOUSING SECURED AT ITS OPEN END TO THE ADJACENT END CAP, A WALL MEMBER ENCLOSING THE OTHER END, A FLEXIBLE DIAPHRAGM WITHIN SAID HOUSING, SAID DIAPHRAGM BEING FILLED WITH A LUBRICATING OIL, MEANS WITHIN SAID HOUSING FOR APPLYING PRESSURE TO SAID DIAPHRAGM TO FORCE THE SAME TOWARD SAID PIERCING MEANS, THUS FORCING THE OIL CONTAINED WITHIN SAID DIAPHRAGM INTO THAT PART OF THE MOTOR DISPOSED WITHIN SAID LINER, AND AN OPENING IN THE WALL MEMBER OF SAID HOUSING TO ALLOW WATER TO ENTER AND THUS OCCUPY THE SPACE BETWEEN THE DIAPHRAGM AND THE HOUSING.