Dynamic compression compensator for submersible pumps

Abstract

A dynamic variable compression ring for use in submersible pumps. where the variable compression ring compensates for metal compression ring measurement errors during assembly. The dynamic variable compression ring also allows for thermal heating of the internal pump components, thus maintaining the desired diffuser compression values.

1 . In the preferred embodiment an assembly and methodology for providing variable pressure to the diffuser/impeller stack in a submersible pump. 
     
     
         2 . In the preferred embodiment an assembly for providing variable pressure to the diffuser/impeller stack in a submersible pump to compensate for compression sleeve measurement errors made &ring manufacture, where the variable compression ring is comprised of:
 a hard rubber material ring; and   a metallic support ring.   
     
     
         3 . In the preferred embodiment an assembly for providing variable pressure to the diffuser/impeller stack in a submersible pump to compensate for thermal expansion of the diffuser/impeller stack during normal operating conditions, where the variable compression ring is comprised of:
 a hard rubber material ring; and   a metallic support ring.