Filter device, hydraulic system and backwashing method
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United States of America Patent
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Feb 2, 2021
Grant Date -
Nov 23, 2017
app pub date -
Aug 27, 2015
filing date -
Dec 3, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A filter device (10) includes a filter element (12) in a filter housing (14) with fluid connection points (16, 18) for the non-filtrate and filtrate. Fluid can be passed through the filter element in both directions for filtrating the non-filtrate or for backwashing for cleaning particle contaminations (72). A pressure control (36) generates a post-suctioning effect to improve the cleaning of the particle contaminations (72). The filter device (10) is designed as a one filter-element solution. In a predetermined exchange, the single filter element (12) for filtering can be used for backwashing or can be backwashed using the pressure control device (36). A hydraulic system (64) and a method for backwashing a filter element (12) of a filter device (10) is provided.
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