| 摘要 |
A submersible motor pump wherein the upper and lower end portions of the cylindrical pump housing are permanently secured to the discharge head and suction manifold, respectively, and subject the stacked deformable casings of pump stages in the housing to axial stresses so that the casings bulge radially outwardly and bear against the housing. The lower end portion of the housing is welded to or rolled into a circumferential groove of the suction manifold. The upper end portion of the housing is welded to the discharge head, rolled into a circumferential groove of the discharge head or upset to overlie a shoulder of the discharge head.
|
