Patent ID: 6883489

Claim:
A rotational engine comprising: an annular cylinder block having outer, inner, top and bottom surfaces, the inner surface having an elliptical shape; a circular member comprising a plurality of cylinder heads positioned adjacent each other and disposed centrally within the annular cylinder block, the cylinder heads including bores formed there through wherein the cylinder heads comprise a truncated slice shaped body including an extension flange; an upper cylinder wall positioned in a recess formed on the top surface of the annular cylinder block, the upper cylinder wall including bores formed therein aligned with the bores formed in the plurality of cylinder heads; a lower cylinder wall positioned in a recess formed on the bottom surface of the annular cylinder block, the lower cylinder wall including bores aligned with the bores of the plurality of cylinder heads; a plurality of cylinder gates disposed between adjacent cylinder heads of the plurality of cylinder heads, the plurality of cylinder gates extending radially and contacting the inner surface of the annular cylinder block and wherein the cylinder gate comprises a rectangular member having a channel formed therein and a channel cylindrical member disposed within the channel and received by the extension flange; the plurality of cylinder heads and the upper and lower cylinder walls rotating as a coupled unit in response to an ignition of a fuel mixture within combustion chambers of the rotational engine.