Eccentric screw pump for the conveying of liquids from bore hole

Details Eccentric screw pump for the conveying of liquids from bore hole Eccentric screw pump for the conveying of liquids from bore hole

1984-12-10

1986-04-08

Vrablik, John J.

Rotary expansible chamber devices

Multistage

418 48, 418 69, F04C 2107, F04C 500, F04C 1100

Patent

active

045809550

ABSTRACT:
Disclosed is an eccentric screw pump for conveying liquids from bore holes, in particular oil well bores. The pump includes an eccentric screw, a stator associated with the screw and located at the lowest point of a riser, and an aboveground drive and bearing unit, the drive shaft of which is connected with a rod linkage by means of a rotating joint which transmits torque and axial force. The rotor is suspended from the rod linkage. For the installation of several conveying units in series and/or of reserve units, several separate stators vertically aligned with each other may be built into the riser and/or several rotors may be placed above each other in the linkage.

REFERENCES:
patent: 2927774 (1960-03-01), Ormsby
patent: 3982858 (1976-09-01), Tschirky
patent: 4311443 (1982-01-01), Clark et al.

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