Plunger for a plunger-lift pumping system

Details Plunger for a plunger-lift pumping system Plunger for a plunger-lift pumping system

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 47/12 (2006.01)

Patent

CA 2419612

A plunger for a plunger-lift pumping system which includes an elongate cylindrical body having a first end and a second end. A plunger suspension coupling is positioned at the first end of the body. A plurality of annular members are provided having central openings and a first radial dimension. The cylindrical body extends through the central openings of the annular members, such that the annular members overlie the cylindrical body. Spacers are provided for maintaining spacing between the annular members. The spacers have a second radial dimension which is less than the first radial dimension, thereby forming circumferential spaces along the cylindrical body between the annular members. A first retainer stops axial movement of the annular members at the first end of the body. A second retainer stops axial movement of the annular members at the second end of the body.

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