HOPPER FOR LOOSE MATERIALS Russian patent published in 2011 - IPC B65D88/00 

FIELD: transport.

SUBSTANCE: proposed hopper comprises vertical round cross section housing with outlet and dome destructing device made up of helical spring arranged along the hopper height. Circular shell is arranged above the loading hole of hopper housing whereto said dome destructing device is attached. Housing lower part is provided with sealed differential piston to reciprocate therein. Control air pressure feed union is arranged opposite said sealed differential piston sideways the hopper housing. Dome destruction device is made up of unit consisting of N helical springs arranged along hopper height. One spring is mounted at the hopper centre, the other ones being arranged all along its edges.

EFFECT: reduced power consumption due to accelerated unloading, and expanded operating performances.

2 cl, 3 dwg