摘要 |
<P>PROBLEM TO BE SOLVED: To provide a swash plate type hydraulic rotary machine capable of retaining a lubricating oil film between a sliding surface of a swash plate and a shoe and preventing generation of wear and seizure for a long period. <P>SOLUTION: In the swash plate type hydraulic rotary machine, the shoe (9) swingably arranged at one end side of a piston via a spherical joint (9C) slides on the sliding surface of the swash plate while the piston (8) is reciprocated inside a cylinder (6) by making a cylinder block (5) and the swash plate (10) relatively rotate in a casing, the swash plate type hydraulic rotary machine includes shoe tilting means (16A, B) capable of generating dynamic pressure on the oil film formed between the shoe and the sliding surface of the swash plate by making the cylinder block and swash plate relatively rotate each other and tilting the shoe by means of such dynamic pressure around the spherical joint. <P>COPYRIGHT: (C)2013,JPO&INPIT |