TURBO-SUPERCHARGER Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: nozzle vanes of a directing apparatus are combined. Upstream part of the vane is made in block of the case and downstream part is pressed on a pin of a crank lever rotatably mounted within the case. The second pin of the crank lever is pivotally connected with a ring provided with a drive for rotating the ring about its axis. Flow section of the directing apparatus is controlled by rotation of downstream part of the nozzle vanes using the pneumatic drive which is set in operation with pressure of gas within a scroll of the turbine. EFFECT: enhanced efficiency. 2 cl, 2 dwg