Liner retention system

Details Liner retention system Liner retention system

2007-06-26

2007-06-26

Lopez, F. Daniel (Department: 3745)

Expansible chamber devices

Cylinder detail

Cylinder or liner retained in casing by casing closure or...

Reexamination Certificate

active

10823481

ABSTRACT:
A liner retention system for a reciprocating pump having a piston and a piston rod operating in a cavity of a frame. The system includes a cylindrical liner for the piston and piston rod, the liner having a radially extending external shoulder. A liner clamp plate has a central opening receivable over the liner and a plurality of stud apertures. A plurality of studs extends from the frame, each stud terminating in a threaded end spaced from a module block. At least one compression sleeve has an inside diameter larger than an external diameter of the stud. Tensioner mechanism secures each stud to the liner clamp plate to thereby secure the cylindrical liner to the module block.

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