Filter and method for filtration of hydraulic oil in a return line to a hydraulic tank, and a drilling rig comprising the filter
作者： Anders Nydahl
DOI:
关键词: Line (electrical engineering) 、 Filter (video) 、 Filtration 、 Hydraulic fluid 、 Filter element 、 Drilling rig 、 Petroleum engineering 、 Engineering
摘要: The present invention concerns a filter (5) for return line (L1, L2) hydraulic oil to tank (2), which comprises element (11). According the invention, is arranged through (11) when lies below first level (H1) in (5), and an arrangement (15) lead past (H) exceeds (H1).
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