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    • 2. 发明授权
    • Sleeve-type rotary valve for an internal combustion engine
    • 内燃机套筒式旋转阀
    • US5315963A
    • 1994-05-31
    • US45734
    • 1993-04-14
    • Donald W. Warf
    • Donald W. Warf
    • F01L7/04F02B75/02F01L7/02
    • F01L7/04F02B2075/027
    • An internal combustion engine is provided including at least one cylinder having at least one inlet port and at least one exhaust port; a piston mounted in the at least on cylinder for reciprocated movement therein, the piston having a piston rod; a crankshaft coupled to the piston rod for converting the reciprocating movement of the piston to rotational movement; a cylindrical sleeve surrounding an outside wall of a portion of the cylinder; and mounting structure for mounting the cylindrical sleeve for rotation with respect to the cylinder. The cylindrical sleeve has at least one slot defined therethrough which aligns periodically with the ports of the cylinder upon rotation of the cylindrical sleeve. The mounting structure includes low-friction bearing structure to minimize friction between the cylinder and the sleeve. A gear train is provided for rotating the cylindrical sleeve relative to movement of the crankshaft.
    • 提供内燃机,其包括具有至少一个入口端口和至少一个排气口的至少一个气缸; 安装在所述至少一个缸体中用于往复运动的活塞,所述活塞具有活塞杆; 联接到活塞杆的曲轴,用于将活塞的往复运动转换成旋转运动; 围绕圆筒的一部分的外壁的圆柱形套筒; 以及用于安装圆柱形套筒以相对于气缸旋转的安装结构。 圆柱形套筒具有限定穿过的至少一个狭槽,其中圆柱形套筒旋转时与圆筒的端口周期性地对齐。 安装结构包括低摩擦轴承结构,以最小化气缸和套筒之间的摩擦。 提供齿轮系用于使圆柱形套筒相对于曲轴的运动旋转。