Filter for continuous filtering of a suspension under pressure

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United States of America Patent

PATENT NO 4695381
SERIAL NO

06858769

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A filter for continuous filtering of suspension under pressure includes a pressure vessel, a shaft rotatably journalled in the pressure vessell and disc filters elements arranged on the shaft. The filter elements are composed of sectors and inlet filtrate channels in each sector are connected to axially extending channels in the shaft, one axial channel for each sector. The axial channels are connected to a filtrate valve formed to divide the filtering cycle corresponding to one rotation revolution for the filter elements in a number of filtering zones, at least one in liquid phase and one in gaseous phase. A separate filtrate outlet from the pressure vessel is connected to each filtering zone and means is controlling the difference pressure over the filtering zones independent of each other.

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Patent Owner(s)

  • AB HEDEMORA;AB HEDEMORA VERKSTADER;INDUSUM I GOTEBORG AB

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ragnegard, Samuel Hedemora, SE 4 70

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