TANDEM MOTORS

摘要

A pumping system including a first section and a second section. The first section includes a first housing having an axial bore formed therethrough and a protruding member formed on one end of the first housing, and a first shaft arranged within the axial bore of the first housing. The second section include a second housing havin g an axial bore formed therethrough and a recess formed on one end of the second housin g for receiving the protruding member of the first housing, and a second shaft arranged within the axial bore of the second housing. An apparatus for compensating oil volu me change in a motor, including a compensator housing having an open end for connectin g to the motor, and a closed end; and a flexible bladder arranged within the housing and connected to the open end of the housing.