Hydraulic motor system for driving a submersible impeller pump i

Details Hydraulic motor system for driving a submersible impeller pump i Hydraulic motor system for driving a submersible impeller pump i

1977-01-14

1979-02-06

Freeh, William L.

Pumps

Condition responsive control of pump drive motor

By controlling drive motor motive fluid

417 63, 417390, 417405, 417440, 60464, F04B 910, F04B 4910, F04B 1700

Patent

active

041382021

ABSTRACT:
The present hydraulic system for driving a submersible pumping unit has an above-ground pump for pumping oil through a hydraulic motor in the submersible pumping unit, and a check valve between the above-ground pump and that hydraulic motor to prevent the reverse flow of oil after the submersible pumping unit is turned off. A pressure regulating valve limits the oil pressure to the hydraulic motor. The inlet flow to the above-ground pump is filtered.

REFERENCES:
patent: 2020956 (1935-11-01), Norling
patent: 2100560 (1937-11-01), Kennedy
patent: 3123007 (1964-03-01), Orr
patent: 3183669 (1965-05-01), McGuire
patent: 3370423 (1968-02-01), Vaughan
patent: 3522999 (1970-08-01), Liles
patent: 3623320 (1971-11-01), Moore
patent: 3895490 (1975-07-01), Pachins
patent: 3910728 (1975-10-01), Sloan
patent: 4017221 (1977-04-01), Dezelan

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