30-05-2013 дата публикации
Номер: US20130136579A1
An exhaust-gas turbocharger (), having a shaft () on which are arranged a compressor wheel () and a turbine wheel (), a bearing housing () in which are arranged a compressor-side bearing arrangement () and a turbine-side bearing arrangement () for the shaft (), an oil inflow line () and an oil outflow line (), and an additional oil accumulator () for the bearing arrangements () of the shaft (). The oil accumulator () is a pressure accumulator arranged in a branch line () of the oil inflow line (), and a controllable valve () is arranged between the oil accumulator () and the opening-in point () of the branch line () into the oil inflow line (). 11. An exhaust-gas turbocharger () , having{'b': 2', '3', '4, 'a shaft () on which are arranged a compressor wheel () and a turbine wheel (),'}{'b': 5', '6', '7', '2, 'a bearing housing () in which are arranged a compressor-side bearing arrangement () and a turbine-side bearing arrangement () for the shaft (),'}{'b': 8', '9, 'an oil inflow line () for supplying oil to the bearing arrangements and an oil outflow line (), and'}{'b': 10', '6', '7', '2, 'an additional oil accumulator () for the bearing arrangements (, ) of the shaft (),'}{'b': 10', '11', '8, 'wherein the oil accumulator () is a pressure accumulator arranged in a branch line () of the oil inflow line (), and'}{'b': 13', '10', '12', '11', '8, 'wherein a controllable valve () is arranged between the oil accumulator () and an opening-in point () of the branch line () into the oil inflow line ().'}21413810. The exhaust-gas turbocharger as claimed in claim 1 , including a control device () for opening and closing the controllable valve () as a function of received pressure signals (DS) from the inflow line () and the oil accumulator ().31581211. The exhaust-gas turbocharger as claimed in claim 1 , wherein a check valve () is arranged in the oil inflow line () upstream of the opening-in point () of the branch line ().481211. The exhaust-gas turbocharger as claimed in ...
Подробнее
