ENVIRONMENTAL GENERATOR OF DETERRENT SOUNDS Russian patent published in 2012 - IPC A01M29/00 

FIELD: agriculture.

SUBSTANCE: invention relates to means of protection of wild animals. Ecological generator comprises a housing of the accumulation chamber with an exhaust hole of pressurised air, and the hole for mounting the gas valve, the end valve of step pressure fault of air from the chamber, and the drive of the end valve. At that the drive of the end valve is located in the cavity of the housing and is designed as a spring of compression and rod. The spring with its ends is installed in the nests of the mobile and fixed supports. The rod is passed through the axial holes of these supports and is connected with one end from the side of the fixed support with the end valve and from the other - with the adjusting nut located behind the mobile support. In the fixed support which is installed in the female groove of the chamber housing, the additional through-holes are made outside the outer diameter of the spring, and in the area of mobile support on the rod the thread is made for the adjusting nut. The elastic sealing element is made in the form of a cup directed with its ring flange toward the chamber housing, on the outer surface of which a truncated cone is made towards the collar of the sealing element. The upper diameter of the truncated cone corresponds to medium fit on the inner diameter of the collar of the elastic sealing element.

EFFECT: in the invention there is an increased efficiency of sound generation.

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