(under subclass 182.1) Device wherein the means comprises a working fluid* flow cavity which the working fluid enters after having been acted upon by the runner*. The cavity is (a) generally in the shape of a ring (annulus) extending around the runner and (b) located adjacent and at a radius greater than the outer periphery of the runner.
(1) Note. The cavity is most commonly located in the same plane as the runner.
SEE OR SEARCH THIS CLASS, SUBCLASS:
203+, for a device comprising a casing* having a tangential inlet or outlet, which casing may also have a ring shaped flow cavity around the runner's outer periphery.
208.1+, for a vaned* device which may comprise a working fluid flow cavity located around the outer periphery of the runner.
