Insert filter

An insert filter for cleaning a gas stream, which is replaceably positioned in a shaft of a duct system through which said gas stream is guided such that the filter separates an unfiltered side from a clean side, said filter comprising a filter frame, a filter element supported by the filter frame, and a shaft cover, wherein the shaft cover is constructed separately from the filter frame and attached thereto, and wherein the filter frame is removable from the shaft exclusively by using the shaft cover, the insert filter further comprising an integrated removal mounted on said shaft cover.

An insert filter for cleaning a gas stream, which is replaceably positioned in a shaft of a duct system through which said gas stream is guided such that the filter separates an unfiltered side from a clean side, said filter comprising a filter frame, a filter element supported by the filter frame, and a shaft cover, wherein the shaft cover is constructed separately from the filter frame and attached thereto, and wherein the filter frame is removable from the shaft exclusively by using the shaft cover, the insert filter further comprising a peripheral seal on the filter frame which seals the filter frame relative to the shaft.

An insert filter for cleaning a gas stream, which is replaceably positioned in a shaft of a duct system through which said gas stream is guided such that the filter separates an unfiltered side from a clean side, said filter comprising a filter frame, a filter element supported by the filter frame, and a shaft cover, wherein the shaft cover is constructed separately from the filter frame and attached thereto, and wherein the filter frame is removable from the shaft exclusively by using the shaft cover, wherein a crossbrace is provided on the filter frame to stabilize the filter element thereon.

An insert filter for cleaning a gas stream, which is replaceably positioned in a shaft of a duct system through which said gas stream is guided such that the filter separates an unfiltered side from a clean side, said filter comprising a filter frame, a filter element supported by the filter frame, and a shaft cover, wherein the shaft cover is constructed separately from the filter frame and attached thereto, and wherein the filter frame is removable from the shaft exclusively by using the shaft cover, wherein the filter frame comprises a frame wall which encloses a filter region;

• wherein the frame wall extends at a slant to said filter region;
• wherein the filter element comprises a non-woven filter web, and wherein said filter element is compressed in the vicinity of the frame wall.

An insert filter for cleaning a gas stream, which is replaceably positioned in a shaft of a duct system through which said gas stream is guided such that the filter separates an unfiltered side from a clean side, said filter comprising a filter frame, a filter element supported by the filter frame, and a shaft cover, wherein the shaft cover is constructed separately from the filter frame and attached thereto, and wherein the filter frame is removable from the shaft exclusively by using the shaft cover, wherein the insert filter is provided with a guide strip which is guided in a depression in the shaft to assure proper positioning of the filter element.