DEVICE FOR DUST COLLECTION IN DIRTY AIR AREA OF AIR INTAKE OF VEHICLE ENGINE, IN PARTICULAR OF GENERAL PURPOSE VEHICLE Russian patent published in 2019 - IPC F02M35/22 F02M35/08 

FIELD: machine building.

SUBSTANCE: device comprises on the outlet side a dust discharge valve (2). According to the invention, it is provided that the dust discharge valve (2) has outlet (16) and that the dust trapped during operation is at least partially collected directly in the dust collecting chamber (18) area before outlet (16). Besides, dust discharge valve (2) comprises closing element (22) installed in outlet opening (16) opening in direction of outlet to outside and closing with closing force at engine operation. Valve (2) for dust removal by means of device for opening and/or free blowing is controlled and/or automatically opened and/or freely blown. It is especially preferable that the dust discharge valve (2) contains in the inner area blowdown device (24, 25) directed towards outlet (16), the blowdown pressure of which opens closing element (22) and blows out valve (2) through appropriate time intervals) for dust removal dust collected in section (18) of dust collector.

EFFECT: invention relates to device for dust trapping in unheated air of air intake of car engine.

9 cl, 4 dwg