Patent ID: 9714605
Date: 2017-07-25
CPC Classifications: F01C,F02B,F04C

Claim:
1. A rotary machine, comprising: a) an island having an elliptical front face and an elliptical rear face separated by an island outer surface defined between the front face and the rear face; b) a front plate disposed against the front face of the island, the front plate having a cam-shaped perimeter; c) a back plate disposed against the rear face of the island; d) at least one contour having a radially inwardly facing concave face that is biased toward the island outer surface, wherein a working volume is defined between the concave face of the contour, the front plate, the back plate, and the island outer surface; e) a cylindrical rotatable barrel valve rotatably disposed in an opening on the front plate including a plurality of slots on circumferentially opposing sides, wherein working fluid can be selectively delivered to the working volume via the barrel valve; f) a crankshaft adapted to cause relative rotational motion between the contour and the island; g) at least one intake port for introducing a working fluid into the working volume; and h) at least one exhaust port for removing the working fluid from the working volume.