Patent ID: 8523547

Claim:
An apparatus, comprising: a rotary engine, comprising: a rotor configured to rotate in a stator, said stator comprising about a first primarily elliptical inner wall, said rotor offset along both an x-axis and a y-axis relative to a center of said inner wall of said stator, wherein said x-axis and said y-axis form an x/y plane perpendicular to a rotatable shaft extending through said rotor; a vane configured to span a distance between said rotor and said stator, said vane comprising a vane tip configured to proximately maintain contact with said inner wall as a function of rotation of said rotor, said vane configured to extend and retract as a function of rotation of said rotor, wherein a twelve o'clock position comprises a point of rotation of said rotor of first extension of said vane, wherein said inner wall of said stator further comprises: a first cutout, said vane configured to extend into said first cutout; a second cutout, said vane configure to extend into said second cutout; and a build-up.