| 摘要 |
A filter device (4) for a cheese-producing textile machine (1) having a plurality of pneumatic devices, e.g., open-end spinning devices (2), service units (3), etc. The filter device (4) has negative pressure filter chambers (6, 6'), each divided via a closure mechanism (9, 9') into a main filter chamber (7, 7') and a reserve filter chamber (8, 8'), and an intermediate chamber (14), to which a negative pressure source (5) is connected. Closable suction openings (12, 12') and (13, 13') in the main and reserve filter chambers, respectively, are connected with the intermediate chamber. The suction openings (12, 12') and (13, 13') are equipped with respective closure elements (15, 16) and (15', 16') which are functionally coupled such that, upon closure of one suction opening (12 or 12'), the other suction opening (13 or 13') is automatically opened.
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