Hopper bottom unit

Details Hopper bottom unit Hopper bottom unit

B - Operations, Transporting

61

D

302/28, 105/123.

B61D 7/02 (2006.01)

Patent

CA 1149230

ABSTRACT OF THE DISCLOSURE A bottom unit for a material transportation car hopper includes a membrane which preferably is foraminous. The membrane is oriented at an angle with respect to horizontal and slopes toward a hopper discharge pipe. The bottom unit is separate from the discharge pipe. The bottom unit includes a vibrator for vibrating the membrane, and an air injection system for defining a film of air moving up through and across the membrane for sweeping material from the membrane and into the hopper material discharge system.

384057

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