RECIPROCATING PUMP CAPABLE OF TIMELY REPLENISHMENT OF OIL RESERVES Russian patent published in 2024 - IPC F04B43/67 F04B43/107 F04B53/00 F04B53/10 

FIELD: pumps.

SUBSTANCE: invention relates to reciprocating pumps capable of timely replenishment of oil reserves. Pump comprises power part 1, cylinder 2, reciprocating element 3 movably installed in cylinder 2 and connected to part 1, unit of oil tank 4 located on upper wall of cylinder 2, pump head 5 connected to cylinder 1 and equipped with a connection hole, inlet and outlet check valves 6 and 7 installed at each end of head 5, isolating element 8 dividing head 5 into working medium chamber and hydraulic chamber, filling valve, communicated by one end with unit 4, and by other end with cylinder 2, starting section provided in cylinder 2 in connection hole. Hydraulic chamber is connected to cylinder 2 through a connection hole. Pump additionally comprises a first automatic air release valve located inside assembly 4, one end of which is connected to assembly 4, and other end is interconnected with cylinder 2, second air release valve located inside assembly 4, the upper end of which is interconnected with assembly 4, and lower end with cylinder 2, adjusting section made with possibility of connection of lower end of the second valve with cylinder 2 or disconnection from it. Adjusting section comprises an adjusting rod configured to translate and provided with a connecting channel, one end of which is interconnected with cylinder 2, and the second end is configured to be aligned with the lower end of the second valve.

EFFECT: invention is aimed at providing the possibility of timely replenishment of oil reserves.

9 cl, 10 dwg