Patent ID: 9080309
Filing Date: 2015-07-14
Classification: E02F,E21C

Abstract:
1. A device for removing sea bed, the device comprising: a conveying line at least partially surrounded by sea water, the conveying line being configured to have a sea bed be removed therethrough so that a removed sea bed is transportable to a surface in a conveying direction; an emergency emptying device arranged in the conveying line, the emergency emptying device being configured so that the removed sea bed moving in a direction counter to the conveying direction in the conveying line is dischargeable from the conveying line into the sea water; a piston/cylinder apparatus configured to be actuated by a water-hydraulic pressure and to move an emergency emptying door; a water reservoir configured to provide the water-hydraulic pressure; and a switching valve arranged between the water reservoir and a hydraulic line, the switching valve being configured to activate a switching state selected from: