DRUM-TYPE SHEARER LOADER, AND A SHEARER DRUM OF A DRUM-TYPE SHEARER LOADER
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United States of America Patent
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Issued Date -
Dec 24, 2020
app pub date -
Feb 12, 2019
filing date -
Feb 16, 2018
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Abstract
A drum-type shearer loader for the extraction of mineral material in the mining sector, has at least one shearer drum (1), which is mounted rotatably on a pivotable support arm (2) and which is driven by a drive motor (4) arranged at an end of the support arm (2), in the region of a support arm head (3). A compact drive unit for all operating states is provided with the drive motor (4) in the form of a permanent-magnet-excited synchronous machine which, during operation of the shearer drum (1), provides the entire drive power required for rotating the shearer drum (1).
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