Patent ID: 9664048
Date: 2017-05-30
CPC Classifications: F01C,F04C,F05B,H05K,Y10T

Claim:
1. A first rotor configured to rotate adjacent to a second rotor that comprises a circular main body with a first axis of rotation and a vane extending radially from the main body, the first rotor comprising: a first curved surface that corresponds to a curve swept at a constant radius about a second axis of rotation; a second curved surface that corresponds to a curve swept by a leading edge of the vane when the second rotor is simultaneously rotated about the first axis of rotation and the second axis of rotation, the leading edge of the vane being on a leading side of the vane when the second rotor rotates in a clockwise direction; a third curved surface that corresponds to a curve swept by a trailing edge of the vane when the second rotor is simultaneously rotated about the first axis of rotation and the second axis of rotation, the trailing edge of the vane being on a trailing side of the vane, opposite the leading side, when the second rotor rotates in the clockwise direction; and a vane-receiving groove disposed between the second curved surface and the third curved surface that is configured to receive the vane therein, wherein the first curved surface, the second curved surface, the third curved surface, and the vane-receiving groove are dimensioned to maintain substantially the same distance between the first curved surface of the first rotor and the circular main body of the second rotor, between the second curved surface of the first rotor and the leading edge of the vane, and between the third curved surface of the first rotor and the trailing edge of the vane when the first rotor and the second rotor are rotated relative to one another.