DIAPHRAGM WALL CUTTER AND METHOD FOR CUTTING A CUTTING TRENCH IN THE GROUND
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United States of America Patent
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Issued Date -
Jul 18, 2024
app pub date -
Apr 27, 2022
filing date -
May 6, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a diaphragm wall cutter for cutting a cutting trench in the ground, comprising a cutting frame, at least one rotatably drivable cutting wheel which is mounted on an lower side of the cutting frame, a suction nozzle, which is arranged in the region of the at least one cutting wheel and is provided with at least one suction opening, and a suction pump which is configured for suctioning slurry from the cutting trench during cutting via the suction nozzle, the suction pump being connected to the suction nozzle via a suction line. According to the invention, it is provided that at least one filling port is provided for filling the suction pump and the suction line with a liquid when the suction line is shut-off, wherein the suction line and the suction pump are filled with liquid for starting the suction pump.
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