Screw press having a plurality of throttle points and at least o

Presses – Methods – With separation from material of liquid expressed

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Details

100 98R, 100117, 100127, 100145, B30B 914

Patent

active

053417305

ABSTRACT:
A screw press for pressing off fluids, especially from oil seeds, has a screw (1) and, surrounding this screw (1), a fluid-permeable mantle (2), particularly a screen, whereby the screw shaft (3) and the mantle (2) form between them a screw channel (6) with a cross-section that decreases towards the transport direction of the screw (1), and whereby in the screw channel (6) at least one throttle point (7,8,9) is provided for building up zones of high pressure, and a cross-section expansion is provided in transport direction following the throttle point (7,8,9) for relaxing the high pressure at least partially. In order to achieve a higher efficiency, at least one cam (10) that may be moved transversely to the transport direction of the screw (1) is provided in the area of at least one of the existing throttle points (8,9) in the screw channel (6).

REFERENCES:
patent: 1297901 (1919-03-01), Peerson
patent: 2466492 (1949-04-01), Sizer
patent: 3111080 (1963-11-01), French et al.
patent: 3645200 (1972-02-01), Craddock et al.
patent: 4289067 (1981-09-01), Hanak

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