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1. 发明公开

EP1130288A3 Differential apparatus 失效
标题翻译：差速器
公开(公告)号：EP1130288A3
公开(公告)日：2001-11-21
申请号：EP01114369.0
申请日：1996-01-11
申请人： TOCHIGI FUJI SANGYO KABUSHIKI KAISHA
发明人： Teraoka, Masao, c/oTochigi Fuji Sangyo K.K. , Aiba, Satoshi, c/oTochigi Fuji Sangyo K.K. , Hiraishi, Kenji, c/oTochigi Fuji Sangyo K.K. , Ono, Shuhei, c/oTochigi Fuji Sangyo K.K. , Ugajin, Kazumitsu, Tochigi Fuji Sangyo K.K.
IPC分类号： F16H48/10 , F16H57/04
CPC分类号： F16H48/285 , F16H57/0427 , F16H57/043 , F16H57/0483
摘要： A differential apparatus comprises a: differential casing rotated by an engine power; a plurality of pinion gears slidably housed in accommodation holes formed in the differential casing; a pair of side gears geared with each other via the pinion gears, two opposing end surfaces thereof being slid each other directly or via a thrust washer; and a block member interposed between two inner circumferential surfaces of the two side gears so as to center the side gears, respectively. In particular, at least one oil sump is formed between the block member and the side gears, to supply lubricant to sliding portions between the block member and the side gears and between two opposing end surfaces of the two side gears, by a centrifugal force generated by the rotating differential casing. Further, it is preferable to further form at least one central oil passage at the centering portion so as to extend from an inner circumferential side to an outer circumferential side of the boss portions of the two side gears. Further, it is also preferable to form at least two radial oil passages, between inner wall surfaces of the differential casing and the side gears, respectively in such a way that a radially inward end thereof communicates with the helical oil passage and a radially outward end thereof communicates with sliding portion between the side gear and the differential casing, respectively.
摘要翻译：差速装置包括：由发动机功率旋转的差速器壳体; 多个小齿轮，可滑动地容纳在形成在差速器壳体中的容纳孔中; 一对侧齿轮通过小齿轮相互啮合，两个相对的端面直接相互滑动或者通过止推垫圈相互滑动; 以及插入两个侧齿轮的两个内周表面之间的块构件，以分别使侧齿轮对中。特别地，在块构件和侧齿轮之间形成至少一个油槽，以通过产生的离心力向块构件和侧齿轮之间以及两个侧齿轮的两个相对端面之间的滑动部分供应润滑剂通过旋转差速器壳体。此外，优选的是，在所述对中部分处进一步形成至少一个中央油道，以从所述两个侧齿轮的所述凸台部的内周侧延伸到外周侧。另外，优选的是，在所述差速器壳体的内壁面与所述侧齿轮之间分别形成至少两个径向油道，使得所述至少两个径向油道的径向内端与所述螺旋油道连通，并且径向外端分别与侧齿轮和差速器壳体之间的滑动部分连通。

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