| 摘要 |
PROBLEM TO BE SOLVED: To provide an engine reducing a loss of inertia force, smoothing rotation by reducing a mechanical loss, capable of reducing the size, weight and a cost and capable of obtaining high efficiency and high output. SOLUTION: A circular rolling piston having a diameter smaller than an operating chamber is eccentrically arranged in the true circle operating chamber of a cylinder so as to integrally rotate with a rotary shaft passing through the center while receiving a spring load. A pair of vanes are arranged in operating chamber opposed positions of the cylinder by receiving the spring load so as to be freely slidable in the radial direction and slidingly contact with the outer periphery of the rolling piston to thereby divide the operating chamber of this rolling piston engine into two parts. One operating chamber and the other operating chamber are connected to an air tank via a valve. An intake- compression operation stroke is performed on one operating chamber side, and an expansion-exhaust stroke is performed on the other operating chamber side, respectively separately. The intake-compression operation stroke and the expansion-exhaust stroke are simultaneously advanced.
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