| 摘要 |
FIELD: instrument making.SUBSTANCE: present invention relates to devices for generation of elastic waves for seismic survey in marine environment and comprises cylinder, which determines axis, in which there are impact and pump pistons, each of which has two opposite sides relative to said axis, from which side impact piston located before pump piston is first impact side, and side of pump before impact piston is second impact side, pump and percussion pistons slide in cylinder in direction parallel to axis, and mutually impact with each other by means of first and second impact sides, percussion piston is activation agent sheeting on side opposite to its own impact side, cylinder comprises on one of its ends chamber having diameter smaller than or equal to larger part of cylinder accommodating impact piston, said chamber can slide part of pump piston, communication channels which connect chamber with water underwater medium.EFFECT: technical result consists in possibility of using device on board of autonomous underwater vehicles.10 cl, 8 dwg |
