| 摘要 |
The present invention relates to an oil filtration unit (1) for removal of solid contaminants from contaminated oil, the oil filtration unit (1) comprising a housing (2) which comprises a housing inlet (3) adapted to receive contaminated oil from the surroundings and to release the contaminated oil to an inner opening (4) of the housing (2) at a first pressure (p1) and a housing outlet (12) adapted to release filtered oil to the surroundings, and an oil filter (6) for filtering the contaminated oil, the oil filter (6) being arranged in the inner opening (4) of the housing (2) and comprising a filter inlet defined by an outer surface (7) of the oil filter (6), an inner filter volume (8) adapted to receive filtered oil at a second pressure (p2), where the second pressure (p2) is lower than the first pressure (p1), and a filter outlet inside the housing (2) providing fluid/liquid communication between the inner filter volume (8) and the housing outlet (12) in order to release the filtered oil from the inner filter volume (8), where the filter outlet comprises a hydraulic resistance providing a fluid/liquid flow restriction between the inner filter volume (8) and the housing outlet (12) in order to increase the second pressure (p2) inside the inner filter volume (8) and to release the filtered oil from the inner filter volume (8) to the housing outlet (12) at a third pressure (p3), where the third pressure (p3) is lower than the second pressure (p2). |
