QUICK-CHANGE FILTER DEVICE, AND BASE AND QUICK-CHANGE FILTER FOR USE IN SUCH DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a novel quick-exchange filter device in which no backflow appears in a filter housing.

SOLUTION: The quick-exchange filter device includes at least one base 1 and at least one filter 2, the base comprising a filter coupling part having a gas inlet stub 6 and a gas outlet stub 8. The quick-exchange filter is provided with the filter housing 10 which is at least partly filled with filter material 12 and to which the inlet and the outlet are connected, and also provided with a quick-exchange coupling 13 arranged for cooperation with the filter coupling part. The quick-exchange coupling contains the inlet and the outlet of the filter, and the base is provided with means for manually connecting the filter to the base and also with sealing means for automatic, gas tight sealing of the gas inlet stub and the gas outlet stub when decoupling the filter from the base.

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