PERCUSSION ASSEMBLY Russian patent published in 2013 - IPC F24D3/02 

FIELD: machine building.

SUBSTANCE: percussion assembly comprises housing composed of two parts. Every said part has inlet and outlet, centering rod fitted in sleeves secured in every part. Percussion valves are arranged at the ends of said rod to enter the inlets arranged on one side of every part. Permanent magnets are rigidly secured on opposite ends of said valves with disc arranged there between. Said disc consists of two parts rigidly secured at the center of centering rod to contract resilient membrane arranged there between. Free end of said membrane can axially displace. Note that said disc may be made from magnetic material.

EFFECT: higher reliability of operation.

2 cl, 1 dwg