2080132 9115663 PCTABS00007 A two stroke double acting oscillating piston quadratic internal combustion engine or machine comprising a plurality of double acting, rectangular faced, arc shaped oscillator pistons (1), symmetrically spaced apart, and secured to an oscillator flange (2), oscillating on a shaft (4), secured to a wall (5), of a crank case housing (6). The oscillator flange (2), embodies a gudgeon pin (7), which is coupled by a single connecting rod (8), to a crank shaft (10), (embodying a flywheel (11)); the 3 moving parts forming a Quadratic Mechanism so that rotation of the flywheel (11), produces oscillating motion of oscillator and vice versa. The oscillator pistons (1), are encompassed by inner and outer concentric cylinders (13 A 14), which are secured to a stator flange (15), to form an annulus containing the oscillator pistons (1), and also stator pistons (17), (secured to the stator flange (15)), located between the oscillator pistons (1). Inlet ports and exhaust ports are embodied in the stator flange and transfer ports and transfer passage in the oscillator flange (2), for uniflow scavenge.
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机译：2080132 9115663 PCTABS00007一种二冲程双作用摆动活塞二次方内燃机或机械，包括多个对称分布的双作用矩形矩形弧形摆动活塞（1），并固定在摆动法兰（2）上，在曲轴箱外壳（6）的轴（4）固定在壁（5）上。振动器法兰（2）上有一个摇动销（7），该摇动销通过一根连杆（8）与曲轴（10）相连，飞轮（11）。 3个运动部件形成一个二次机构，因此飞轮（11）的旋转会产生振荡器的振荡运动，反之亦然。振荡活塞（1）被固定在定子法兰（15）上的内，外同心圆柱（13 A 14）包围，以形成一个包含振荡活塞（1）和定子活塞（ 17）（固定在定子法兰（15）上），位于振动活塞（1）之间。进气口和排气口位于定子法兰中，而输送口和输送通道位于振荡器法兰（2）中，以进行单向扫气。
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