FLOATING-UP ESCAPE CHAMBER Russian patent published in 2006 - IPC B63G8/41 B63G8/40 

FIELD: submarine rescue equipment and life-saving appliances.

SUBSTANCE: proposed escape chamber may be used as decompression chamber. This chamber has pressure hull with upper and lower access hatches made in form of truncated cone for securing it on submarine hull. Escape chamber has seats for persons being rescued and life support facilities. Secured on the outside are fairing, buoyancy unit, fasteners, pushers and ballast. Escape chamber hull has horizontal hermetic bulkheads rated for high decompression chamber, thus forming adjacent hermetic chambers which may be brought into communication with hatches through air-lock trunk. Upper and center chambers are provided with decompression facilities. Lower access hatch is communicated with lower chamber where decompression control and monitoring station is located. Upper access hatch is communicated with upper chamber and is provided with coaming plate on pressure hull.

EFFECT: possibility of returning the submariners on surface and performing decompression.

5 cl, 3 dwg