| 摘要 |
The invention relates to a cylindrical crankcase having two heads, a hollow shaft, an orifice that passes through the wall of the shaft for each cylinder, an arm having a cylinder, two opposing pistons facing each other having a linear bushing, and a chamber. The crankcase heads have respective crowns, each having an undulation. A bearing support is found on the outer end of each of the pistons. A compression spring keeps the pistons in the appropriate position. A steel wheel provided with retainers is firmly attached to the arm. The hot air exhaust manifold is formed by wings attached to the wheel that pass through the inside of a tubular piece. The air enters via ports and exits via manifolds.
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