Perfected twin-screw pump, particularly suitable for the pumping

Details Perfected twin-screw pump, particularly suitable for the pumping Perfected twin-screw pump, particularly suitable for the pumping

1996-08-21

1998-04-14

Vrablik, John J.

Rotary expansible chamber devices

Shaft or trunnion lubrication or sealing by diverted working...

418202, F04C 216, F04C 1300

Patent

active

057385050

ABSTRACT:
Twin-screw pump, wherein the four conical screws are vertically arranged and are fed with biphase fluid at the two ends, independently of each other, by means of a stream divider and wherein the two screw shafts each have a central axial drilling which connects the delivery chamber to a series of radial channels which end up on the tip of the single teeth of the screws. A preferen-tial stream divider is described.

REFERENCES:
patent: Re18527 (1932-07-01), Simmons
patent: 1475683 (1923-11-01), Carrey
patent: 2463080 (1949-03-01), Beler
patent: 3391643 (1968-07-01), Zalis
patent: 3667879 (1972-06-01), Cerpelli
patent: 4828036 (1989-05-01), Simmons
patent: 5396784 (1995-03-01), Huenniger

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