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Swash plate type variable displacement piston pump
Swash plate type variable displacement piston pump
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机译:斜盘式变量柱塞泵
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摘要
PROBLEM TO BE SOLVED: To provide a swash plate type variable capacity piston pump that can achieve both improvement in lubricity of a slide of a convexly curved surface of a swash plate on a concavely curved surface of a swash plate reception member and prevention for stagnation of lubricating oil having deteriorated in the swash plate reception member while suppressing increase in size.;SOLUTION: The swash plate type variable capacity piston pump includes a low-friction swash plate reception member 32 which is curved to form a concavely curved surface 32a and oil film formation means of forming an oil film of lubricating oil between the swash plate reception member 32 and a convexly curved surface 21 of a swash plate 11 by using lubricating oil filled in a casing 2, and the oil film formation means includes a hole 34 penetrating the swash plate reception member 32 in a direction crossing a circumferential direction of the concavely curved surface 32a of the swash plate reception member 32, and grooves 35, 36 as oil passages which are formed in a cradle member 22, and introduce the lubricating oil from outside the cradle member 22 and guide the lubricating oil to the hole 34 from the opposite side of the concavely curved surface 32a of the swash plate reception member 32.;COPYRIGHT: (C)2013,JPO&INPIT
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