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    • 58. 发明申请
    • MECHANICAL BREATHER SYSTEM FOR A FOUR-STROKE ENGINE
    • 用于四冲程发动机的机械呼吸系统
    • WO2011084161A3
    • 2011-12-15
    • PCT/US2010020508
    • 2010-01-08
    • HUSQVARNA FORESTRY PRODUCTS N A INCCURTIS ANDREWOSTERCHILL JEFFMURNAN JUSTINJOHNSON ANDREWWILKEY JUSTIN
    • CURTIS ANDREWOSTERCHILL JEFFMURNAN JUSTINJOHNSON ANDREWWILKEY JUSTIN
    • F01M13/04
    • F01M13/04F01M2013/0422
    • A four stroke engine (100) having a mechanical breather system (135) includes a crankshaft (110) supported by at least one bearing (120), a rotating member (140) coupled to the crankshaft (110), a breather bearing (145) positioned adjacent to the at least one rotating member (140), an air receiving chamber (150)positioned on the breather bearing (145) and opposite from the rotating member (140), and a passage (165) through a wall (155) of the air receiving chamber (150). The rotating member (140) can have at least one inlet channel in fluid communication between an outer perimeter of the rotating member (140) and an inner region of the rotating member (140). The breather bearing (145) can have an inner race and an outer race. The passage (165) is in fluid communication with an interior of the air receiving chamber (150) and an exterior of the air receiving chamber (150).
    • 具有机械通气系统(135)的四冲程发动机(100)包括由至少一个轴承(120)支承的曲轴(110),联接到曲轴(110)的旋转构件(140),通气轴承(145) )定位成与所述至少一个旋转构件(140)相邻;位于所述通气轴承(145)上且与所述旋转构件(140)相对的空气接收室(150);以及穿过壁(155)的通道(165) )的空气容纳室(150)。 旋转构件(140)可以具有至少一个入口通道,所述至少一个入口通道在旋转构件(140)的外周边和旋转构件(140)的内部区域之间流体连通。 通气轴承(145)可以具有内圈和外圈。 通道(165)与空气接收室(150)的内部和空气接收室(150)的外部流体连通。