| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem found in the prior art movable slant plate type hydraulic system in which lubricant oil is supplied to a slide bearing to perform a positive supporting of the movable slant plate by the slide bearing, i.e. supplying operation additionally requires pressure feeding means and a supplying oil passage is also complicated to increase a processing cost therefor.SOLUTION: At least one of a front surface 12a of a thrust plate 12 and a rear surface 10d of a movable slant plate 10 to which the front surface 12a abuts, for example, the rear surface 10d of the movable slant plate 10 is provided with an annular groove 10f to form a lubricant passage 28. The movable slant plate 10 is provided with a discharging oil passage 10c that enables a rear surface 13b acting as a sliding contact surface with the movable slant plate 10 at a half bearing 13 to be communicated with the lubricant oil passage 28 and at the same time the thrust plate 12 is provided with an inflow oil passage 12c to enable a supplemental oil passage 8b of a plunger 8 positioned in a high pressure region H to be communicated with the lubricant oil passage 28. |
