GAS FLOW CONTROL DEVICE FOR CLEANING PARTICULATE FILTER Russian patent published in 2017 - IPC F01N3/21 

FIELD: machine engineering.

SUBSTANCE: gas flow control device (50) for cleaning the particulate filter (18) can be connected to one side of the filter (18) for the through gas flow, used to clean the filter (18). The controller (50) is the stand-alone device, configured to removable mounting in case of cleaning purposes. The controller (50) contains the housing (52), forming the gas flow passage and the control element (51), disposed within the housing (52). The control element (51) contains the passing through part, comprising at least one hole (55, 55a) for the through gas flow, and the locking part, that can overlap the part of the passing through filter section (18), so as to allow the gas flow at least through one hole (55, 55a). The control element (51) is movable at least between two different positions, and the indicated at least one opening (55, 55a) covers the various parts of the passing through section in various positions of the control element (51).

EFFECT: whole filter piece by piece effective cleaning.

29 cl, 10 dwg