PIERCE SOUND ABSORBER FOR SHIP CABIN Russian patent published in 2012 - IPC E04B1/84 F16F15/04 B63B29/02 

FIELD: transport.

SUBSTANCE: invention relates to machine building. Proposed cabin comprises metal built-up carcass consisting of bearing section structures accommodating sound-and-vibration insulating elements. Every said element includes layers of antivibration material on bitumen substrate, layer of sound absorbing material and perforated decorative panel. Air gap is formed between panel and said layer of porous sound absorbing material. Cabin carcass is jointed with ship bearing structures via antivibration system consisting of top and bottom suspensions. Top suspension consists of two rubber bumpers. Bottom suspension consists of two bumpers made up of helical or conical springs. Sound absorbing material represents a plate from mineral cotton on basalt base stock faced by sound-transmitting material over its entire surface. Sound absorber represents trihedral pyramidal design consisting of inclined faces jointed together by fasteners to make vertex. Trihedral pyramid base is made up of bulkhead whereto perforated inclined faces are secured by fasteners and flexible braces via dampers.

EFFECT: better antinoise and antivibration properties.

2 dwg