| 摘要 |
The shaft seal device of the present invention seals the periphery of a rotating shaft of a fluidic machine that comprises a casing 2 including a mechanism compartment 50 having a compressing or pumping mechanism portion 51 which compresses or pumps an actuating fluid, and a rotating shaft 3, one end of which extends from the casing 2 to an outside and the other end of which is inserted into the mechanism compartment 50 and is connected to the compressing or pumping mechanism portion 51. The shaft seal device has an oil chamber 8 which is provided, within the casing 2 and adjacent to the mechanism compartment 50 in which oil is hermetically contained, a first shaft seal portion 9 arranged between the oil chamber 8 and the mechanism compartment 50, and a second shaft seal portion 7 arranged between the oil chamber 8 and the outside. <IMAGE> |
