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    HANDHELD FOUR-STROKE ENGINE LUBRICATING SYSTEM
    1.
    发明公开
    HANDHELD FOUR-STROKE ENGINE LUBRICATING SYSTEM 有权
    便携式四冲程发动机的润滑

    公开(公告)号：EP2787184A1

    公开(公告)日：2014-10-08

    申请号：EP11876459.6

    申请日：2011-12-31

    申请人： Xingyue Group Co. Ltd.

    发明人： HU, Jirong

    IPC分类号： F01M9/10 ,  F01M13/02 ,  F01M13/04 ,  F02B63/02

    CPC分类号： F01M13/04 ,  B01D35/18 ,  F01M1/04 ,  F01M1/10 ,  F01M11/02 ,  F01M11/03 ,  F01M11/0458 ,  F01M11/064 ,  F01M13/02 ,  F02B63/02 ,  F16N39/005

    摘要： A handheld four-stroke engine lubricating system, comprising an oil storage chamber (1) formed by a bottom casing (32) and a lower crank case (31), a crankshaft chamber (2) formed by the lower crank case (31) and an upper crank case (33), an air valve chamber (3) formed by the upper crank case (33) and a cylinder head cover (36), and a cam chamber (37), formed by the upper crank case (33) and a cam chamber cover (38), and a tappet chamber (30) connected between the air valve chamber (3) and the cam chamber (37); the two sides of the upper and lower crank cases (33, 31) are correspondingly provided with a first and a second oil inlet passages (12, 13) communicating with the oil storage chamber (1) and the crankshaft chamber (2); the first and the second oil inlet passages (12, 13) are correspondingly provided with a first and a second check valves (44, 45) thereon; the first oil inlet passage (12) is connected to a hose (40) pressed against the bottom casing (32); the head of the hose (40) is provided with a first oil suction port (9); the first oil inlet passage (12) is provided with a second oil suction port (10); and the second oil inlet passage (13) is provided with a third oil suction port (11). The lubricating system adopting the above structure has the advantages of simple structure, quick circulation speed, high lubricating efficiency, good oil/gas separation effect, and stable operation in any attitude.