Submersible pump

Details Submersible pump Submersible pump

F - Mech Eng,Light,Heat,Weapons

04

D

103/111

F04D 9/00 (2006.01) F03B 13/00 (2006.01) F04D 7/04 (2006.01) F04D 29/04 (2006.01) F16D 9/00 (2006.01) F16D 9/06 (2006.01)

Patent

CA 1262422

Abstract of the Disclosure A submersible motor pump assembly having an improved driving connection between the motor and pump. The motor shaft and pump shaft are disposed in end-to-end relation and a bolt extends through an axial passage in the pump shaft and the projecting end of the bolt is threaded in an axial opening in the end of the motor shaft. The outer or opposite end of the pump shaft is formed with a recess that communicates with the passage and the head of the bolt is fixed against rotation with respect to the pump shaft by a bolt retainer which is disposed with the recess. A shear pin interconnects the mating ends of the two shafts to provide a driving connection. The hand of the thread on the bolt is such that rotation of the motor shaft, after shearing of the shear pin, will cause the bolt to be unthreaded from the motor shaft to prevent locking up of the shafts.

498749

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