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    • 9. 发明申请
    • Piston exhaust system
    • 活塞排气系统
    • US20050039708A1
    • 2005-02-24
    • US10949468
    • 2004-09-27
    • William Green
    • William Green
    • F01L11/04F02B33/00
    • F01L11/04
    • A piston exhaust assembly includes a center exhaust valve port surrounding a center exhaust valve. The exhaust valve stem rests on a cam lobe formed on the top of the connecting rod. Reciprocating rotation of the connecting rod rotates the cam lobe under the exhaust valve stem opening the exhaust valve before the piston reaches BDC and exhaust gases flow through piston exhaust passages into the wrist pin center hole which serves as an exhaust gas outlet hole and out of the engine through an exhaust port formed in the cylinder wall. The piston exhaust valve opens before closes after the piston reaches TDC. A combustion operated valve face covers the piston exhaust port during piston travel from TDC to BDC until the piston exhaust valve closes preventing any loss of power which would occur by the escape of high pressure cylinder combustion gases formed during the power stroke of the engine flowing into an open piston exhaust port.
    • 活塞排气组件包括围绕中心排气阀的中心排气阀口。 排气阀杆位于形成在连杆顶部的凸轮凸角上。 连杆的往复旋转使活塞到达BDC之前打开排气阀的排气阀杆下方的凸轮凸轮旋转,排气通过活塞排气通道进入作为排气出口孔的腕销中心孔, 发动机通过形成在气缸壁中的排气口。 活塞排气阀在活塞达到TDC之后关闭。 在活塞从TDC行进到BDC期间,燃烧操作的阀面覆盖活塞排气口,直到活塞排气阀关闭,从而防止在发动机的动力冲程期间形成的高压气缸燃烧气体逸出而发生的任何功率损失 一个开放的活塞排气口。