AIR CLEANER Russian patent published in 2011 - IPC B01D45/04 

FIELD: process engineering.

SUBSTANCE: invention relates to machine building, particularly, to air cleaners to be incorporated with air feed systems in transport facility electrical equipment. Device comprises casing, vertical shutters with flaps, air discharge chamber and outlet branch pipes with blower. It comprises also expansion chamber made up of casing, shutters, and inclined rear wall, and inertia filter arranged at expansion chamber top part. Filter bottom edge is arranged above shutter top edge. Horizontal shutters with width varying from 40 to 50 mm are inclined along ambient air flow feed to form 15° to 25° angle with air flow direction and angle varying from 30° to 40° with inclined rear wall. Shutters are arranged in vertical plane with spacing varying from 25 mm to 30 mm. Draining flute with flange is rigidly secured along shutter open loop, its width making at least 30 mm with Shutter case has draining holes.

EFFECT: higher quality of air cleaning and reliability of electrical equipment.

5 dwg