REVERSING WORKING CHAMBER OF EJECTOR Russian patent published in 2015 - IPC F04F5/42 

FIELD: machine building.

SUBSTANCE: chamber comprises a flow channel consisting of coaxially set units: an inlet branch pipe to supply passive fluid medium, a toroidal vessel to form the flow of active fluid medium, an outlet branch pipe to withdraw the mix of the passive and active media, which are made so that to form an axial gap between the branch pipes in order to affect the passive fluid medium by the flow of the active fluid medium, the reverse movement of the latter is provided by alternating actuation of one of two independent feeding devices comprising branch pipes set evenly along the circumference, each of the latter branch pipes is fitted by a nozzle through which the active fluid medium enters the inner space of the toroidal vessel as a jet directed tangentially to the inner contour of the toroidal vessel section by the meridian plane.

EFFECT: extension of application area.

4 cl, 2 dwg