POSITIVE DISPLACEMENT PUMP Russian patent published in 1995 - IPC

Abstract RU 2030636 C1

FIELD: pump engineering. SUBSTANCE: make-up valve is received in a piston which is movable with respect to a connecting rod. The compression spring is interposed between the piston and connecting rod. An arrester is mounted on the piston for arresting displacements of the piston in the direction of the working chamber with respect to the connecting rod. The connecting rod is provided with an additional arrester of piston displacement to the side of the working chamber. EFFECT: enhanced efficiency. 2 cl, 2 dwg

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RU 2 030 636 C1

Authors

Kim T.V.

Ljubin Ja.L.

Rogunov M.A.

Dates

1995-03-10—Published

1991-06-03—Filed