SOUND PROTECTION SCREEN Russian patent published in 2017 - IPC E01F8/00 

FIELD: acoustics.

SUBSTANCE: invention relates to noise reducing structures. Sound protection screen contains sound-absorbing panels made in the form of blocked separate structural container-type modules represented by cavity capacities of casings with dismantled covers of automotive storage batteries and installed sound-transparent perforated covers or sound-transparent covers of the mesh type with filled with a sound-absorbing substance cavity capacities in the form of separate crushed fragmented sound-absorbing elements, a face perforated sound-transparent panel. Modules are mounted in separate cells of the bearing base represented by a sheet or a rod-shaped bearing matrix structure secured to cross bars, and/or longitudinal profiles, and/or the rear sound-reflecting panel, and/or the bearing base of the sound protection screen to generate corresponding narrow-slit air gaps formed between opposite outer walls of separate modules. In the cavity capacities of the modules there are separate crushed fragmented sound-absorbing elements made from sound-absorbing porous breathable fibre, and/or open-cell foamed, and/or non-porous unbreathable fibre, and/or foamed close-cell polymer materials and/or dense non-porous polymer materials represented by solid recyclables liable to recycled recovery processing.

EFFECT: reduced contamination of the environment.

9 cl, 45 dwg