PROTECTIVE HELMET Russian patent published in 2008 - IPC F41H1/04 

FIELD: weapons.

SUBSTANCE: invention refers to personal protective equipment protecting head from mechanical influences, bullets, blows, splinters, as well as from influence of smoke and poison gases. The protective helmet contains a bulletproof transparent glass, a mask with at least one air filter for breath and a self-closed aperture for air exhalation. The helmet is executed from three divided and tightly joined top, forward and back parts which form is chosen so that to maintain ballistic protection. There is at least one air cushion in the top part of the helmet. Air is forced in the said air cushions through an air pipe by at least one compressor. The bulletproof transparent glass is mounted in the top part of the helmet, and the mask with the air filter and an aperture for air exhalation is established in a forward part of the helmet. In the case of a forward part of a helmet not less than one aperture for air admission is executed.

EFFECT: protection of a head and neck from hit of bullets and splinters and protection of breathing system against impact of smoke and poison gases.

9 cl, 5 dwg