Patent ID: 7395805

Claim:
A single cycle elliptical rotary engine comprising: a) a housing assembly comprising: i) a rotor housing having a substantially hollow bisected, offset elliptical interior; ii) an end plate having a plurality of threaded bolt holes, a pair of ignition timing ports having marks of degree and a centrally disposed bearing boss; and iii) a ported end plate having a pair of opposing ignition timing ports, a pair of opposing exhaust ports, a pair of opposing fuel/oxygen intake ports and a centrally disposed power shaft throughbore leading to a bearing bore of a greater circumference; and b) a rotor assembly including a substantially cylindrical rotor having a power shaft extending from a central portion thereof; c) a plurality of vane guides radiating within said rotor from said power shaft every 90 degrees therefrom; d) at least one transfer port communicating perpendicularly between each said vane guide and the exterior sidewall of said rotor; and e) a vane disposed within each said vane guide with each said vane being of a length and width substantially similar to that of said vane guide and having a depth substantially shorter than that of said vane guide.