| 摘要 |
In a journal bearing device having an upper bearing liner (2b), a lower bearing liner (2a), an upper base metal (3b) and a lower base metal (3a), the lower bearing liner (2b) is divided into a sliding portion having a sliding surface (9a) and a clearance portion (7a) provided with a space between the lower bearing liner (2a) and a rotor (1), and is provided with an oil path (6a) formed on a back side of the slidingportion and extending from a border portion between the sliding portion and the clearance portion toward an upstream side in the rotational direction (19) of the rotor (1), and an oil supply hole (5a) extending from an upstream end portion of the oil path (6a) to the sliding surface (9a), and the lower base metal (2a) has an oil supply path (4) and extending from an outer circumferential side of the lower base metal (3a) to the oil path (6a) at the border portion. |
