Importance

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Abstract

A cleanable filter system includes a filter housing having an inlet for dust-laden gas and an outer annular gap volume disposed about an inner volume. The inner volume and the outer annular gap volume extend axisymmetrically about a bisecting line and are separated from one another by at least one gas-permeable wall. A submicron particulate filter is disposed in the inner volume. A discharge pipe is sealingly disposed in the inner volume axisymmetrically about the bisecting line. The discharge pipe includes a peripheral cylindrical surface that is gas-permeable and covered by the submicron particulate filter. A purge-gas conduit is disposed in the discharge pipe and configured to be rotationally driven about the bisecting line. The purge-gas conduit includes at least one radially outwardly directed nozzle disposed in a region of the submicron particulate filter.

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First Claim