Patent ID: 6557905
Filing Date: 2003-05-06
Classification: F04D,F16L,Y10S

Abstract:
A submersible well pump assembly comprising:a first housing and a second housing, one of the housings containing a rotatable pump; an end of the first housing having an outer surface and an end face; a shoulder on the outer surface of the first housing; an end of the second housing having an outer surface and an end face, the outer surface of the second housing having external threads formed thereon; a clamp ring rotatably and slidably carried on the first housing, the clamp ring having internal threads that engage the external threads of the second housing, the clamp ring further having an internal shoulder that engages the shoulder of the first housing to secure the housings together; a rotatively driven shaft within at least one of the housings for driving the pump; at least one anti-rotation member having a cooperative element on said end of each housing to inhibit rotation of one housing relative to the other housing due to rotation of the shaft.