| 摘要 |
An exhaust-gas turbocharger (1), having a shaft (2) on which are arranged a compressor wheel (3) and a turbine wheel (4), a bearing housing (5) in which are arranged a compressor-side bearing arrangement (6) and a turbine-side bearing arrangement (7) for the shaft (2), an oil inflow line (8) and an oil outflow line (9), and an additional oil accumulator (10) for the bearing arrangements (6, 7) of the shaft (2). The oil accumulator (10) is a pressure accumulator arranged in a branch line (11) of the oil inflow line (8), and a controllable valve (13) is arranged between the oil accumulator (10) and the opening-in point (12) of the branch line (11) into the oil inflow line (8).
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