FIELD: engines and pumps.
SUBSTANCE: pressure pulse generation device incorporates a cylinder, a piston fitted in the said cylinder to reciprocate therein, a circuit of working flowing medium including inlet and outlet from the cylinder on one side of the piston , the connecting rod linked to the piston and chamber filled with liquid Note that, the connecting rod can move through the said chamber with the piston reciprocating in cylinder. The device incorporates, at least, one valve element to temporarily interrupt the liquid release from the chamber.
EFFECT: efficient arrangement of the valve inside the cylinder.
30 cl, 14 dwg
