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    • 2. 发明公开
    • Method and apparatus for returning the drain oil of a hydraulic motor
    • 液压马达(Rückführvorrichtungund VerfahrenfürLecköleines)液压马达
    • EP1308620A1
    • 2003-05-07
    • EP02396163.4
    • 2002-11-01
    • Ideachip Oy
    • Jonninen, Markku
    • F03C1/04
    • F03C1/0431
    • The invention relates to a method and apparatus for returning the oil drained from a working pressure space (10a) of a hydraulic motor (1) into a motor casing (12) to an oil line (2), which is connected,to the motor (1) and which is in communication via a divider (16) with intra-motor flow channels (13) which are in communication with the working pressure spaces (10a). The oil seeping into the casing (12) is conveyed by means of pressure variations internal of the hydraulic motor (1), pulsating consistently with rotating motion, into the oil line (2) presently at a lower pressure and connected to the motor (1) by way of said divider (16). Therefor, the casing space (12) is connected by a return conduit (6, 7) through a one-way valve (8, 14) to at least one flow channel (14), which lies between the divider (16) of the motor (1) and the working pressure space (10a) of the motor.
    • 本发明涉及将从液压马达(1)的工作压力空间(10a)排出的油返回到连接到马达的油路(2)的方法和装置, (1)并且其经由具有与所述工作压力空间(10a)连通的马达内流道(13)的分隔器(16)连通。 渗入壳体(12)的油通过液压马达(1)内部的压力变化(与旋转运动一致地运动)输送到目前处于较低压力的油管线(2)中并连接到马达(1) )通过所述分配器(16)。 因此,壳体空间(12)通过返回管道(6,7)通过单向阀(8,14)连接到至少一个流动通道(14),该至少一个流动通道(14)位于 马达(1)和马达的工作压力空间(10a)。