Mud pump piston assembly

Details Mud pump piston assembly Mud pump piston assembly

1981-05-18

1983-04-26

Walton, George L.

Expansible chamber devices

Piston

Side wall portion includes peripheral axially extending...

92256, 277188A, F16J 900

Patent

active

043809510

ABSTRACT:
A mud pump piston assembly is provided which facilitates replacement and secure holding of piston parts which wear rapidly. A double acting piston includes a piston rod, a pair of hollow piston members on the rod, and a pair of wear rings located between the piston members. The wear rings fit over a flange on the rod and are slightly separated.

REFERENCES:
patent: 2043424 (1936-06-01), Campbell
patent: 2144736 (1939-01-01), MacClatchie
patent: 2320973 (1943-06-01), MacClatchie
patent: 2349919 (1944-05-01), Starr
patent: 2402268 (1946-06-01), Young
patent: 3115071 (1963-12-01), Strader
patent: 3180236 (1965-04-01), Beckett

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