DEVICE FOR DISCHARGING DUST FROM FILTERS Russian patent published in 2007 - IPC B01D46/02 B01D46/42 B65G65/46 

FIELD: filtering systems.

SUBSTANCE: device comprises housing provided with discharging opening in its face. The housing receives the screw with variable pitch. The screw is set in the bearing and is provided with the drive for setting the screw in rotation. The discharging face section of the housing receive additional bearing for securing the screw and protecting disk mounted at the end of the screw. The end of the screw projects out of the discharging face of the housing. The check valve is shaped into a cone, pivotally connected to the housing , and provided with a drive. The pitch of the screw decreases toward the discharging opening. The device is mounted at an angle of 5-15° to the horizon. The discharging opening is mounted above the end of the screw which is connected with the rotation drive.

EFFECT: enhanced reliability.

2 cl, 5 dwg