DRIVE DEVICE FOR A DIAPHRAGM WALL CUTTER
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United States of America
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Issued Date -
Feb 24, 2022
app pub date -
Sep 17, 2021
filing date -
Sep 17, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a drive device for a diaphragm wall cutter, with a hydraulic motor, a gear unit, to which at least one cutting wheel of the diaphragm wall cutter can be connected on the output side, and a drive shaft which connects the hydraulic motor to the gear unit, wherein the drive shaft is mounted by way of at least one drive shaft bearing which is arranged between the hydraulic motor and the gear unit, wherein the drive shaft bearing has a lubricant feed line which is connected to a leakage discharge line of the hydraulic motor and/or to the hydraulic circuit in order to operate the hydraulic motor, and is configured to lubricate the drive shaft bearing with hydraulic oil.
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