SUPERCHARGER Russian patent published in 2018 - IPC F04D25/00 

FIELD: machine building.

SUBSTANCE: invention relates to pressure installations and can, in particular, be used in fan construction. Supercharger includes a housing including a cylindrical stator and side flat walls located on the stator inlet and outlet pipes, exhaust valves located in the outlet pipe, axles coaxial with the stator with blades rigidly fixed on them, a drive shaft mounted in the hubs, a stop device mounted on the housing. Drive shaft has a common axis with a stator and is connected through bearings to the hubs; on the outer sides of the lateral flat walls there are installed stoppers, each of which includes a ring fixed on a lateral flat wall, having a notch, a rotatable ratchet with an axis, the end of which is rigidly connected to the end part of the hub, and three radial ratchet legs are angled 120° to each other, and a sleeve with an external groove, worn on the drive shaft without the possibility of turning on it.

EFFECT: invention simplifies the design and increases the reliability of the blower.

1 cl, 3 dwg