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US 6,146,435 AGranted
Biofilter
OwnerHans Storkinventor
Life of this patent
Estimating the term…
Abstract
In a biofilter, in particular for installation in discharge systems, with a collecting funnel and with an adjoining filter housing (13), the collecting funnel is to have a mounting ring (1), into which the filter housing (13) is inserted removably.
Claims12
A biofilter for installation in a manhole of a discharge system comprises:
- a mounting ring having an inner flange;
- a filter housing provided with a biofilter media for purifying waste air discharged from said system, the filter housing having a filter upper part removably supported on the inner flange for supporting the filter housing in the collecting funnel, the filter upper part having a draw-off orifice for purified air and an outlet;
- and
- a cover inserted into the filter upper part, the cover having an outlet orifice which communicates the outlet in the filter upper part.
1 more element
Dependencies are inferred from the claim text.